LEXIN B4FM Motorcycle Bluetooth Headset User Manual
Package Contents
- 1 x LEXIN B4FM Motorcycle Bluetooth Headset
- 1 x Boom Microphone
- 1 x Button Microphone
- 1 x Mounting Bracket
- 1 x USB Charging Cable
- 1 x User Manual
Installation
- Choose the appropriate microphone (boom microphone for open face or flip-face helmets, button microphone for full face helmets).
- Attach the mounting bracket to the left side of your helmet using the provided clips or adhesive pads.
- Slide the LEXIN B4FM headset onto the mounting bracket until it clicks into place.
- Connect the microphone to the headset port and position it near your mouth.
- Adjust the speaker position inside the helmet for optimal sound quality and comfort.
Charging the Headset
Connect the provided USB charging cable to the headset and a USB power source. The LED indicator will turn red while charging and turn off when fully charged. Charging time is approximately 3 hours.
Power On/Off
To power on the headset, press and hold the Power/Intercom button for 3 seconds. The LED indicator will flash blue and you will hear a voice prompt saying "Hello". To power off, press and hold the Power/Intercom button for 5 seconds. The LED indicator will turn off and you will hear a voice prompt saying "Goodbye".
Pairing with a Bluetooth Device
- Power on the headset and ensure it is in standby mode (LED indicator flashes blue).
- Press and hold the Phone button for 5 seconds until the LED indicator flashes red and blue alternately.
- Activate Bluetooth on your device and search for the LEXIN B4FM headset.
- Select "LEXIN B4FM" from the list of devices and, if prompted, enter the default password "0000".
- The headset will connect automatically, and you will hear a voice prompt saying "Connected".
Intercom Pairing and Communication
- Follow the steps above to pair your headset with your Bluetooth device.
- Press and hold the Power/Intercom button for 5 seconds on both headsets until the LED indicators flash red and blue alternately.
- Short press the Power/Intercom button on one headset to initiate pairing. The LED indicators will turn solid blue when connected.
- Speak into the microphone to initiate intercom communication.
Music Sharing
Music sharing is only compatible between two LEXIN B4FM units. To share music, both headsets must be connected via intercom. Press and hold the Phone button on the headset playing music for 2 seconds. The other headset will hear a voice prompt saying "Music Sharing" and begin playing the shared music.
Built-in FM Radio
Press and hold the Phone button for 2 seconds to activate the FM radio. Short press the Phone button to cycle through saved stations. To save a station, press and hold the Volume Up or Volume Down button for 2 seconds when tuned to the desired station.
Troubleshooting Tips
- If you experience poor sound quality or static, ensure the speaker is fully inserted into the headset port.
- If the headset does not turn on, charge it for at least 3 hours before attempting to power it on again.
- If the headset does not pair with your device, ensure Bluetooth is enabled on your device and the headset is in pairing mode (LED indicator flashing red and blue alternately).
- If you cannot hear the other rider during intercom communication, ensure both headsets are connected and within range (2000 meters).
Frequently Asked Questions
- What is the maximum range for intercom communication?
- The maximum range for intercom communication is 2000 meters.
- Can I connect the LEXIN B4FM headset with other Bluetooth headsets or earpieces?
- Yes, the LEXIN B4FM features universal pairing and can connect with most Bluetooth headsets or earpieces in the market.
- How long does the battery last?
- The 800 mAh battery provides up to 15 hours of music or intercom talk time and over one week of standby time.
- Is the LEXIN B4FM headset waterproof?
- Yes, the LEXIN B4FM headset features IP67 waterproof technology and can handle all weather conditions.
- Can I use voice commands with the LEXIN B4FM headset?
- Yes, the LEXIN B4FM headset supports Siri and S Voice commands when connected to a compatible device.
FAQ [continued]
Product FAQ:Q: How many riders can connect to the LX-B4FM motorcycle bluetooth headset at the same time?
A: The LX-B4FM can connect up to 10 riders at the same time with an intercom range of 2000 meters.
Q: Is the LX-B4FM motorcycle bluetooth headset compatible with other Bluetooth headsets or earpieces in the market?
A: Yes, the LX-B4FM features universal pairing and is compatible with most Bluetooth headsets or earpieces in the market.
Q: Does the LX-B4FM motorcycle bluetooth headset support music sharing?
A: Yes, this helmet bluetooth headset features music sharing that allows two riders to enjoy the same song during their trip.
Q: What is the battery life of the LX-B4FM motorcycle bluetooth headset?
A: The LX-B4FM has a battery life of up to 15 hours for music playing or intercom talking, and over one week of standby time.
Q: Can I listen to FM radio using the LX-B4FM motorcycle bluetooth headset?
A: Yes, the LX-B4FM has a built-in FM radio with six station presets.
Q: Is the LX-B4FM motorcycle bluetooth headset waterproof?
A: Yes, it is. The LX-B4FM features IP67 waterproof technology that can handle all weather conditions and even works for temperatures as low as -15°F.
Q: Does the LX-B4FM motorcycle bluetooth headset have noise cancellation technology?
A: Yes, it does. The helmet bluetooth headset has DSP & CVC advanced noise cancellation technology that functions well for speeds up to 120km/h.
Q: Are there interchangeable microphones available for the LX-B4FM motorcycle intercom?
A: Yes, there are two interchangeable microphones available for this helmet intercom – a boom microphone for open face or flip-face (convertible) helmets, or a button microphone for full face helmets.
Q: Can I answer phone calls using the LX-B4FM motorcycle bluetooth headset?
A: Yes, you can enable or disable the auto answer calling feature as you wish.
Q: How do I switch between music and communication while using the LX-B4FM motorcycle bluetooth headset?
A: The person calling interrupts the radio to the receiving person. Or if you are the caller, your music stops and it stops the receiver's music. To restart the music, turn off the intercom. It will not continue at a lower volume.
Q: Is there a way to disable the "battery low" alert on the LX-B4FM motorcycle bluetooth headset?
A: No, there is no way to shut off the alert.
 Safety Information (PDF) |  User Manual (PDF) |
Specifications
| Brand | LEXIN |
| Manufacturer | LEXIN |
| Model Number | LX-B4FM |
| Category | Automotive Parts & Accessories > Electronics > Car & Vehicle Electronics > Vehicle Electronics Accessories > Audio & Video Accessories > Bluetooth Headsets |
| Noise Control | Active Noise Cancellation |
| Headphones Jack | Type-C |
| Model Name | LX-B4FM |
| Connectivity Technology | Bluetooth 5.0 |
| Wireless Communication Technology | Bluetooth |
| Included Components | B4FM Main Unit, Speakers&Mic Kit, Bracket Kit, User Manual |
| Age Range (Description) | Adult |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Specific Uses For Product | Motorcycle Intercom |
| Charging Time | 2 Hours |
| Recommended Uses For Product | Cycling |
| Compatible Devices | Cellphones |
| Theme | Sports |
| Control Type | Button Control |
| Cable Feature | Without Cable |
| Item Weight | 0.5 Kilograms |
| Water Resistance Level | Waterproof |
| Frequency Range | 87.5 MHz - 108.0 MHz |
| Unit Count | 2 Count |
| Style | B4 Dual Pack |
| Control Method | Touch, Voice |
| Controller Type | Button |
| Battery Life | 15 Hours |
| Audio Driver Type | Dynamic Driver |
| Bluetooth Version | 5.0 |
| Earpiece Shape | Circle |
| UPC | 711765795826 |
| Product Dimensions | 5.51 x 8.66 x 1.97 inches |
| Item Weight | 1.1 pounds |
| ASIN | B07DGX2DTK |
| Item model number | LX-B4FM |
| Batteries | 2 Lithium Polymer batteries required. (included) |
| Customer Reviews | 4.3 4.3 out of 5 stars 7,256 ratings 4.3 out of 5 stars |
| Best Sellers Rank | #17 in Powersports Bluetooth Headsets |
| Is Discontinued By Manufacturer | No |
| Date First Available | June 2, 2018 |
| Country of Origin | China |
| Color | Blue, Black |
| Ear Placement | On Ear |
| Form Factor | On Ear |
| Impedance | 80 Ohm |
| Weight | 1.1 pounds |
| Dimensions | 5.51 x 8.66 x 1.97 inches |
| First Available | June 2, 2018 |
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