Brand | LEXIN |
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Manufacturer | LEXIN |
Place of Business | CHINA |
Model | LX-B4SP |
Model Name | B4 Single Pack |
Part Number | LX-B4SP |
Hardware Platform | PC |
Special features | Fast Charging |
Mounting Hardware | Cable, User Manual |
Number of Items | 1 |
Microphone format | Boom |
Headphones Form Factor | Over Ear |
Batteries included | Yes |
Batteries Required | Yes |
Battery Cell Composition | Lithium Ion |
Cable Feature | Detachable |
Connector Type | Wired |
Material Type | Plastic |
Does it contain liquid? | No |
Includes rechargable battery | Yes |
Manufacturer | LEXIN |
Item model number | LX-B4SP |
Product Dimensions | 12 x 15 x 5 cm; 250 Grams |
ASIN | B07XXTMHLC |
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- NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
- COVERAGE: Plan starts on the date of purchase. Malfunctions covered after the manufacturer's warranty. Power surges covered from day one.
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- EASY CLAIMS PROCESS: File a claim 7/365 via phone. Most claims approved within minutes. We will send you an Amazon e-gift card for the purchase price of your covered product. In some cases, we will replace or repair it.
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LEXIN 1pc B4FM 10 Riders V5.0 Motorcycle Communication System with Music Sharing, Waterproof Motorcycle Bluetooth Headset with Noise Cancellation and FM Radio, Universal Intercom for Snowmobile/ATV
Purchase options and add-ons
Brand | LEXIN |
Model name | B4 Single Pack |
Colour | Blue 1 |
Form factor | Over Ear |
Connectivity technology | Wired |
About this item
- 【10-Way Conference Intercom & Universal Pairing】The LX-B4FM motorcycle bluetooth headset share the riding experience and enjoy conversation with up to 10 riders talk at one time at an intercom range of 2000 meters. Universal pairing feature, compatible with most of the Bluetooth headsets or earpiece in the market.
- 【Music Sharing & Noise Cancelling】This helmet bluetooth headset featured music sharing that allows two riders enjoy the same song during their trip. And it also functions well for speeds up to 120km/h with DSP& CVC advanced noise cancellation technology.
- 【Hands-free Speaker & Hi-Fi Stereo Sound Quality】 The LX-B4FM motorcycle helmet bluetooth provides easy hands-free communications for you while riding. And it featured Bluetooth 5.0 with access to Siri and S Voice commands, you can call or answer hands-free calls, listen to the best Hi-Fi stereo music, FM radio or listen to GPS voice guidance.
- 【Exchangeable Microphone & Great Helmet Compatibility】 The LX-B4FM motorcycle intercom has two interchangeable microphones – allows you the choice between a boom microphone for open face or flip-face (convertible) helmets, or a button microphone for full face helmets.
- 【IP67 Waterproof Design & Long Battery Life】 The LX-B4FM helmet communication systems featured IP67 waterproof tecnology can handle all weather conditions, and even work for temperature -22°F. And features an 800 mAh battery provides up to 15 hours music or intercom talk with over one week of standby time.
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About US
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Lexin is committed to bringing riders premium products that enhance the riding experience. While the riding community has several options for brands in the helmet communications and audio segment. Our team is dedicated to making products that last and always address any customer needs or questions quickly and accurately.
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Product guides and documents
Product Description

LX-B4FM Motorcycle Bluetooth Headset

The LEXIN LX-B4FM is a Bluetooth HiFi Stereo Headset designed specifically for motorcycles. With the LX-B4FM, you can call hands-free on your Bluetooth mobile phone, listen to the best HiFi stereo music, FM radio or voice instructions of Bluetooth enabled GPS navigation units wirelessly, and have conference intercom conversations with up to 10 riders at an intercom range of 2000 meters.
The LX-B4FM can connect to other Bluetooth devices supporting HSP/HFP (Headset Profile/Hands Free Profile) and A2DP (Advance Audio Distribution Profile). HSP/HFP is standard in all phones with Bluetooth features. Almost all Bluetooth MP3 players, smartphones, and audio dongles support A2DP to send stereo audio to Bluetooth headsets like the LEXIN LX-B4FM.
LX-B4FM Motorcycle Bluetooth Headset Features
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10 Riders ConversationThe B4FM motorcycle bluetooth headset can connect 10 riders at the same time with the maxium range 2000m by bluetooth. Once connected, you can talk back and forth without push a button. |
Music SharingThe LX-B4FM Motorcycle helmet bluetooth support one rider to share favorite songs to his passager to enjoy the same song together on the trip road. It's very fantastic experience. The Music sharing only compatible between two B4FM units via bluetooth, and the range between music sharing is same as the range of intercom. |
Waterproof DesignThe B4FM Motorcycle Intercom is IP67 waterproof as well as the jack, so if you have some problem with the speaker such as blown/static sound, please make sure first if you insert the speaker into the headset port deeply all the way, it needs you push it harder than you ever did, or you may think the speaker is defective. |
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Great Battery LifeThe B4FM Helmet communication systems have great battery life that support music playing and intercom talking for a whole day, it is very suitable for long-term trip, you won't feel bored at that moment. |
Bulit-in FM RadioThe LEXIN B4FM also have bulit-in FM radio, so you can receive radio to get the latest news althought you are outside without your phone. |
Universal PairingThe LEXIN B4FM can connect with any other brand intercom (just can connect with one other brand intercom), so you don't need to worry about that the one your friend is different from you. It is univeral pairing. |
Package and Installation


Product information
Technical Details
Additional Information
Batteries | 1 Lithium Polymer batteries required. (included) |
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Date First Available | Jan. 7 2020 |
Customer Reviews |
4.3 out of 5 stars |
Best Sellers Rank | #1 in Motorcycle Bluetooth Headsets |
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Customer reviews

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Top reviews
Top reviews from Canada
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Quick recap, I originally picked up a VNETPHONE V6 Pro set about 2 weeks before based on a family member's recommendation. He is using one and likes it, so I ordered one in (dual set) because my wife and I had planned a 450km motorcycle trips planned out. In short, we had a hard time pairing the VNET V6 units, we had to reinitiate the units after each shut-off, unlike my cousin's unit. So we just kept them turned on all the time. During most of the trip, we always had a hard time understanding each other. Lots of noise/static, poor audio and the moment we got to far apart... signal was toast! Not a bad unit but not the one for me. A good friend suggested the Lexin B4FM units and he is using them in out in the woods on his 4x4's. I ordered up a set because I was already returning the VNET's and I can always trust his opinion on any gear that we are both into.
A worthy quick mention, Lexin as two versions of the B4FM units being sold. Easy enough to tell them apart. Both have different communication buttons. One version has a "helmet" type button and the other a "X" button. We got the "X" version. Also, both have different mounting systems and pairing methods. Would be nice to have the same units shipped out or at least, have them use the same mounting clips and pairing info.
Packaging:
When the Lexin units arrived, I was immediately impressed by the packaging alone. There was more detailed information on the box and on the inside, the instructions manual was nice and clear and the inner packing was awesome! Each piece and component had its own ziplock bag, not all tossed into one bag and here ya go! The little things usually give a good idea of what to expect.
Installation:
It was simple but had me slightly worried. Most videos we watched online for the B4FM is not the same as my units, as mentioned above about the two models. The online videos show a big paper clip type of system for the install versus mine was a 2pcs metal/plastic clip you tighten up together between the shell. It comes with an additional 3M rubber sticker and would strongly suggest adding that extra rubber over the one on the metal clip to ensure a tighter fit. If you don't, our bracket could come off easily... this might be my only complaint on these. So all depending on what unit you receive might be a little bit confusing.
B4FM unit:
If you follow the instructions, easy to use. Because of the two versions going around, you can't base yourself on the Youtube clips and wrap it up... unless of course, you received the same version. But using the units, pairing your phone (Samsung Android) was a breeze, using the FM radio was simple and pretty good reception. The option of being to save up to 6 channels is a nice touch! The B4FM unit connects up to 4 users at once, I haven't tested that. But pairing up our two units was easy enough and ALWAYS had a steady connection...
Audio Quality:
Being an audiophile myself I like good sound. But having something this small at this price point, I can't complain. Yes, the sound is a little thin and high on mids the treble, it could use a little more bass to beef up the tone (bigger speakers) but you can always adjust your cell phone EQ's audio to help out. I did and went with 2 custom settings and it was a good improvement. I also tried it out with different types of music and artists (Al Green, ZZ Top, Monster Truck, Black Label Society, CCR, Slayer, Sade and a few others) and adjusted the EQ and rolling up the bass helps. See pics that worked well for me in my setup.
Intercom:
I was really, really impressed. Cruising at lower speeds 40kmh to 60kmh audio communication was clear . Going from 65kmh to 110kmh, even with our visors open we had no issues hearing one another... unlike the other unit I mentioned. The noise cancellation system in these really seems to work well. No complaints whatsoever on this aspect. We intentionally split up to increase the distance between us to test Its reach/limit... and if I had to guess, we reach approximately a 1.2km apart (1200 meters) we still talked and understood each other fine. Pushed beyond that and we encountered static... my wife said I cut in and out at that distance. We might have been at 1.6km (1600 meters) as claimed by Lexin but I can't be sure... riding at 100kmh we gaged the distance. So IMO, that is incredible! In a normal situation, we would never be that far apart anyway... so the B4FM passed that test with flying colors!
Battery life:
Impressed to say the least. We had our units turned on for 9.5hrs straight... didn't turn them off once. I got home last night after our ride and kept playing around with the unit. Pairing up my phone, listening to music, testing out the GPS on the phone with the unit and this morning the batt level is still at 100%!!
Manual:
Read it carefully, don't skip certain procedures and you won't have an issue... its very a simple KISS manual.
Overall, I would HIGHLY recommend the Lexin B4FM to ANYONE on a budget looking for a great unit. It obviously isn't one of those other higher-priced brands that are over $300 + for a single intercom unit. The B4FM doesn't have the same technology and doesn't have the same cool "MESHY" features and the other jazz... but at $207 CDN for a two headset kit, this little unit holds its own and does it oh so well!
In fact, If I had the extra money, I would love to try out ALL of Lexin's products... I am very impressed to say the least.
Safe riding everyone!!

Quick recap, I originally picked up a VNETPHONE V6 Pro set about 2 weeks before based on a family member's recommendation. He is using one and likes it, so I ordered one in (dual set) because my wife and I had planned a 450km motorcycle trips planned out. In short, we had a hard time pairing the VNET V6 units, we had to reinitiate the units after each shut-off, unlike my cousin's unit. So we just kept them turned on all the time. During most of the trip, we always had a hard time understanding each other. Lots of noise/static, poor audio and the moment we got to far apart... signal was toast! Not a bad unit but not the one for me. A good friend suggested the Lexin B4FM units and he is using them in out in the woods on his 4x4's. I ordered up a set because I was already returning the VNET's and I can always trust his opinion on any gear that we are both into.
A worthy quick mention, Lexin as two versions of the B4FM units being sold. Easy enough to tell them apart. Both have different communication buttons. One version has a "helmet" type button and the other a "X" button. We got the "X" version. Also, both have different mounting systems and pairing methods. Would be nice to have the same units shipped out or at least, have them use the same mounting clips and pairing info.
Packaging:
When the Lexin units arrived, I was immediately impressed by the packaging alone. There was more detailed information on the box and on the inside, the instructions manual was nice and clear and the inner packing was awesome! Each piece and component had its own ziplock bag, not all tossed into one bag and here ya go! The little things usually give a good idea of what to expect.
Installation:
It was simple but had me slightly worried. Most videos we watched online for the B4FM is not the same as my units, as mentioned above about the two models. The online videos show a big paper clip type of system for the install versus mine was a 2pcs metal/plastic clip you tighten up together between the shell. It comes with an additional 3M rubber sticker and would strongly suggest adding that extra rubber over the one on the metal clip to ensure a tighter fit. If you don't, our bracket could come off easily... this might be my only complaint on these. So all depending on what unit you receive might be a little bit confusing.
B4FM unit:
If you follow the instructions, easy to use. Because of the two versions going around, you can't base yourself on the Youtube clips and wrap it up... unless of course, you received the same version. But using the units, pairing your phone (Samsung Android) was a breeze, using the FM radio was simple and pretty good reception. The option of being to save up to 6 channels is a nice touch! The B4FM unit connects up to 4 users at once, I haven't tested that. But pairing up our two units was easy enough and ALWAYS had a steady connection...
Audio Quality:
Being an audiophile myself I like good sound. But having something this small at this price point, I can't complain. Yes, the sound is a little thin and high on mids the treble, it could use a little more bass to beef up the tone (bigger speakers) but you can always adjust your cell phone EQ's audio to help out. I did and went with 2 custom settings and it was a good improvement. I also tried it out with different types of music and artists (Al Green, ZZ Top, Monster Truck, Black Label Society, CCR, Slayer, Sade and a few others) and adjusted the EQ and rolling up the bass helps. See pics that worked well for me in my setup.
Intercom:
I was really, really impressed. Cruising at lower speeds 40kmh to 60kmh audio communication was clear . Going from 65kmh to 110kmh, even with our visors open we had no issues hearing one another... unlike the other unit I mentioned. The noise cancellation system in these really seems to work well. No complaints whatsoever on this aspect. We intentionally split up to increase the distance between us to test Its reach/limit... and if I had to guess, we reach approximately a 1.2km apart (1200 meters) we still talked and understood each other fine. Pushed beyond that and we encountered static... my wife said I cut in and out at that distance. We might have been at 1.6km (1600 meters) as claimed by Lexin but I can't be sure... riding at 100kmh we gaged the distance. So IMO, that is incredible! In a normal situation, we would never be that far apart anyway... so the B4FM passed that test with flying colors!
Battery life:
Impressed to say the least. We had our units turned on for 9.5hrs straight... didn't turn them off once. I got home last night after our ride and kept playing around with the unit. Pairing up my phone, listening to music, testing out the GPS on the phone with the unit and this morning the batt level is still at 100%!!
Manual:
Read it carefully, don't skip certain procedures and you won't have an issue... its very a simple KISS manual.
Overall, I would HIGHLY recommend the Lexin B4FM to ANYONE on a budget looking for a great unit. It obviously isn't one of those other higher-priced brands that are over $300 + for a single intercom unit. The B4FM doesn't have the same technology and doesn't have the same cool "MESHY" features and the other jazz... but at $207 CDN for a two headset kit, this little unit holds its own and does it oh so well!
In fact, If I had the extra money, I would love to try out ALL of Lexin's products... I am very impressed to say the least.
Safe riding everyone!!















The new button layout is still very annoying but I can get used to it with time.
I had the old model (Last generation). I had it for 3 years an never had a single issue with it, The button mapping was good and worked well. Never had connection issues and it just worked. It finally died after some hard rain, I decided to buy a new one, I almost wish I didn't. The amount of issues I have with it are almost unbelievable. They ruined a good thing.
Before each button had a purpose, One click did something and holding the button did another, It was dead simple.
The new one has been completely remapped and it doesn't work well, To power on and off you need to hold 2 buttons at the exact same nanosecond or else it wont work or decides to go into pairing mode rather than power off. I have to hit the buttons 2-3 times to get it right. The double click up for next song is great until it stops working randomly after 2 hours. The rear button changes modes when you hold it, well sometimes. Sometimes nothing happens, sometimes it makes strange beeping noises and nothing happens. The buttons are a mess. They used to work so well on the old unit and now are terrible. When I am riding a motorcycle I should not have to think about anything but the road. I have to focus on this thing to use it now.
This is not to mention the absolute worst problem, When you change modes or switch to intercom with a friend, The volume turns up to 100% and nearly deafens you. It scares the crap out of you while you are riding a motorcycle. That is dangerous.
When you pair with more than 3 riders it starts echoing and has static. 2 riders is fine but any more and it doesn't work. I have tried repairing as the manual says 4-5 times and it does it every time. There are numerous other small bugs with these units. I know someone else with one and they have the same issues. I also see some revies on amazon with the same complaints. They took a good thing and made the hardware better and ruined the interface. I really liked the old one and was hoping this would be an upgrade. It was not and now my old one doesn't work and I have no choice but to upgrade to another brand as the old model isn't sold anymore.
" If its not broken, Don't fix it "
The button mapping is the most baffling thing as it was fine before and now they made it way too complicated for no reason.
There are good things about it
It is much more clear than the old one and has better battery life, The USB C is also great. The speakers are better, The mounting is better. It has the potential to me much better but the missed the mark by a lot.
I'm am very disappointed that I may have to go to another brand now as all my friends have the older models of this and I wanted to stick with them as they have been great in the past.
Top reviews from other countries

They were pretty easy to install. My helmet doesn’t have dedicated speaker pockets (Icon Airmada) so it was a little tricky to find just the right spot for them so they don’t bother my ears, but this would have been the case with any Bluetooth communicator. My wife’s helmet, an Icon Airform, does have speaker pockets and they fit perfectly.
Pairing them was pretty easy, though it did take us a few tries to get just the right timing on the button press to place them in pairing mode.
Sound quality for music listening isn’t the absolute best, as many other reviewers have stated they are lacking in bass response. This is fine with me, because listening to music and riding motorcycles don’t go together, in my opinion- there are more important things that I should be listening for. Voice, however, comes through crystal clear, with excellent noise cancellation- no wind noise, no bike noise- I can’t ask for much more than that!
We used these for the first time pretty much non-stop on a four hour ride. It was nice to have the ability to talk back and forth, my wife is a new rider and we both enjoyed being able to talk about what was coming up on the road ahead, when she needed a break, etcetera. We had plenty of battery, and the range is excellent. There were times when I could barely see her in my mirrors or a car would get between us or whatever and we never once lost signal.
If you’re considering these, I must say that I had super good luck with the set I ordered. Everything was in good shape and worked perfectly. I have never tried any other brands or models, but the price on these was too good to pass up, especially for all the features they have. Well worth it, though I will be looking for a helmet with speaker pockets because it’s just a little snug without, but that has nothing to do with the product, just the helmet I have.

So about these:
Setup:
Took a sec in my first helmet, there aren't very clear directions about where to put the speakers or how to run them in the helmet so for my first helmet I didn't use any of the velcro/adhesive until I knew how it sounded and was sure I was right. I put the left one right behind the left ear pad, tried to run the wire behind the padding as much as I could up to over the head and put the right behind the right ear pad. The unit comes with both the boom and wired mic so you can choose whichever fits your helmet style. You can use either for a regular full face, but have to use the boom for open face/ modular ones. I choose the cable one since it was a regular full face, fan it up to right in front of my mouth and used some electrical tape to just hold the wire on the helmet so the mic flops around a bit but stays mostly in front of my mouth. After that pairing with my phone and use was easy.
After installing it on the first helmet, the second was much easier. However, I will note that since the second helmet was brand new, and the first was about 12 years old, the second helmet had little cutouts behind the ear pads to specifically put speakers. It also allowed all the padding to move around so it was much easier to hide the wires completely behind the padding. This helmet was a modular helmet so it needed the boom mic. It was pretty straight forward. One other thing, not sure if this is due to manufacturer or age, but the first helmet the side where I needed to mount the unit wasn't flat so it makes it wobble a bit, the second unit it's perfectly flat so the unit sits snuggly on the side of the helmet
Sound Quality:
Once paired up I cranked the volume up standing in the living room to see how it sounded with my speaker placement. They got pretty loud but crackled at high volumes. There's not a lot of low end on these so any bass heavy songs will sound like a phone speaker kinda. I made a call and the person on the other end was ringing through loud and clear and they could hear me as well. Next I hopped on the bike and took it up to highway speeds. I noticed I could barely hear the music and definitely couldn't hear phone calls. However, people on the phone said they couldn't hear the bike or wind and I was crystal clear. I figured the situation might have been due to my speaker placement. I got back home, shifted the speakers around a bit and tried again. This time, much better audio quality all around.
On the second helmet I haven't tried the road test as yet since it came in a bit later and it's winter now so it's harder to find comfortable days to go out.
Intercom:
Intercom setup was a little confusing at first, but I attribute that to me misunderstanding the directions. I believe the two units come paired already out the box and in trying to set them up I unpaired them. I then re-paired them following the directions in the book and tested them out. Initially the second unit the sound wasn't coming through to the first, but it was because we were testing in the house and the second person wasn't speaking loud enough to get over the noise cancellation of the mic. Once they started speaking louder as you would on the bike, everything came through loud and clear. I haven't been able to try the pairing on the bike because as stated above it's still winter and is hard to find good days to ride.
Conclusion:
So far I'm definitely happy with this purchase. The price for two units was cheaper than a single Sena. The sound quality seems to be pretty awesome so far. The setup was pretty easy, the Bluetooth is easy to operate the voice commands. The buttons are raised and are distinct enough to be easily identified and pressed. I'm excited to test this on longer rides with both units on.
P.S. I also have a newer helmet coming in and I'll transfer the unit from my first helmet to this one and see if It improves the audio quality more.

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Based in sound, speed and helmet type because we both have 2 completely different experiences with it.
My helmet is Z1R Mid- the padding doesn’t push right against my ears which we think is why it makes a difference.
It sounds great if you’re not driving, super loud and I can hear my husband clear.
Pass 55mph the music sounds like as if you’re listening to the live version of whatever song you’re playing
Pass 65mph you can hear the music, can’t really make out the words unless you know the lyrics. Ad once you hit 70-75mph the sound of the wind itself over powers the sound of everything, you know there’s music playing but the sound of the wind takes over.
As far as the speaker goes,
Once you pass 65 mph it’s really really hard to hear someone talk. The wind is too loud to make out the words.
The pair sharing mic does work but you have to wait about 10-15 secs after pressing it to start talking.
Sometimes after you ended the mic sharing option the music you had playing does not play again automatically which it should. And pressing play doesn’t make it play either. I’ve had to pull my phone out and hit play from there. Which defeats the purpose of Bluetooth in my opinion.
Over all, my AirPods have better quality as far as sound goes. I think it’s because it cancels out some of the wind noice since it’s directly in your ear. The only plus side about these is that you can communicate with the other person, easier. Since sometimes Siri can’t hear me after 50mph
The set up was super easy, you can adjust the placement of the speakers inside as many times as needed (my helmet does not have ear cutouts so the placement of the ears isn’t as specific as it is on my husband helmet making it harder to place them in the right spot but after a few tries we got it in the right place, this makes a significant difference in sound) , pairing both together was easy as well as pairing it to the phone. Came with 2 different sets of speakers. I assume one is for 1/2 helmets and the other for full face.
Now that was for my helmet - (Z1R)
For my husbands helmet - BELL mid
his sounds much better and he can hear me clear as day. Even at 80mph and up no issues with his other than the music not playing automatically after the mic sharing. His helmet does press on his ears and is more noice cancelling than mines is. Which we think it’s why his had no issues with sound. His helmet had ear cutouts so it shows exactly where the ears go in the helmet making it easier to place the speakers in the right spot his helmet. The mic does sound a bit loud, but then again you’re on a bike right!
We placed the actual Bluetooth device on the right for one helmet and on the left side for the other one. So it is modifiable from side to side depending on which is more comfortable.
The buttons are relative hard to press with gloves on, but it gets easier to find the right button after a while.
Make sure to not dubble press the volume up button and hold it instead Bcus it will call whomever you last called.
Over all for me the experience is a 3.5/5
For my husband it’s a 5/5
Considering price and all, Giving it a 4/5
I would buy these again, and I do suggest them. Noting that your helmet type does play a big factor.

-Easy to install on my Fly Conquest helmet.
-Easy to pair! Paired to my iPhone 6s with no issues, very quickly. And, quickly and easily paired with the 2nd Lexin unit I bought (duo).
-Paired and works well with a different brand integrated Bluetooth helmet that I own.
-Volume is incredible! I have hearing loss from my job and I have NO issues with the volume output of these. In fact, I had to turn down the volume because it was way too loud at first. I typically run it at 1/2 - 3/4 volume.
-Intercom (rider to pillion) was excellent and had no issues hearing when speaking in a normal conversation tone while traveling at 65 MPH with face-shields partially open. When the face shield is closed it is crystal clear.
-Phone calls are crystal clear with little to no wind noise (used with a Fly Conquest full-faced helmet). I received a call from my wife (driving her car) and me on my bike traveling 65 mph and had no issues communicating or hearing each-other in normal voices.
-Audio quality is decent. I did not expect Bose, Klipsch, Sennheiser or Beats quality sound from this unit. However, the sound quality is not bad when fitted well in your helmet. It takes a little work for positioning the speakers to get them in the right location (directly over the ears). But, It makes a huge difference in sound quality. I noticed that sound quality drops exponentially when the speaker is not directly over / covering the ears. So, be sure to position them correctly and I am sure you will be happy with the sound quality, for what these are. I ride a sport-tourer with stock exhaust. I have read in some reviews that they "are not loud enough to hear over the exhaust..." that is ridiculous. If this is the case the exhaust is too loud. Period. If I had to make an educated guess, this came from a V-Twin cruiser with custom exhaust and or straight pipes.
I am very happy with these units and I am please with the purchase. I would recommend them without hesitation.
