LEXIN B4FM Motorcycle Bluetooth Headset User Manual

Introduction

Thank you for choosing the LEXIN B4FM Motorcycle Bluetooth Headset. This dual pack system is designed to enhance your riding experience with advanced communication and entertainment features. It allows for 10-way intercom communication, music sharing, and hands-free calling, all while providing clear audio and robust durability. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance of your device.

Package Contents

Image: LEXIN B4FM units, Pulse speakers, boom and button microphones, and mounting accessories.

Your LEXIN B4FM package includes the following components:

• LEXIN B4FM Bluetooth Headset Units (x2 for dual pack)
• LEXIN Pulse Motorcycle Helmet Speakers (x2 pairs)
• Boom Microphones (x2)
• Button Microphones (x2)
• Mounting Brackets and Clips
• USB Charging Cables
• User Manual (this document)

Product Overview

The LEXIN B4FM unit features intuitive controls for easy operation while riding. The Pulse speakers provide high-quality audio, and the interchangeable microphones ensure compatibility with various helmet types.

Key Features:

• Advanced 10-Way Intercom System (optimal for 4 riders)
• Up to 2000m/1.2 miles intercom range
• Music Sharing capability
• Hi-Fi 36mm Mylar coaxial speakers
• DSP/CVC Noise Reduction Technology
• Universal Pairing with other brands
• Hands-Free Calling with Siri/Voice Assistants
• 800mAh Battery: 15 hours talk/music playback, 3 hours full charge
• IP67 Waterproof Rating
• Interchangeable Boom and Button Microphones

Setup

1. Charging the Device

Before first use, fully charge the B4FM unit. Connect the provided USB charging cable to the charging port on the unit and to a USB power source. The indicator light will show charging status. A full charge takes approximately 3 hours.

Image: Visual representation of 15 hours talk time, 15 hours music time, and 3 hours full charging time.

2. Installing in Helmet

Choose the appropriate mounting method (clamp or adhesive) for your helmet. Securely attach the B4FM unit to the side of your helmet.

Microphone Selection:

• Boom Mic: Ideal for open-face or flip-face helmets. Position the microphone close to your mouth for clear communication.
• Button Mic: Designed for full-face helmets. Install inside the helmet, near the mouth area.

Connect the chosen microphone and the Pulse speakers to the B4FM unit. Ensure speakers are positioned directly over your ears inside the helmet for optimal audio quality.

Image: A LEXIN B4FM unit mounted on a motorcycle helmet, illustrating its universal pairing capability.

Image: Two LEXIN Pulse speakers with sound wave graphics, emphasizing premium audio experience and deep bass.

3. Powering On/Off

• Power On: Press and hold the Power button until the indicator light illuminates.
• Power Off: Press and hold the Power button until the indicator light turns off.

4. Bluetooth Pairing with Smartphone

1. With the B4FM unit powered off, press and hold the Power button for approximately 5-7 seconds until the indicator light flashes red and blue, indicating pairing mode.
2. On your smartphone, enable Bluetooth and search for "LEXIN B4FM".
3. Select "LEXIN B4FM" from the list of available devices to pair. Once paired, the indicator light will turn blue.

Operating Instructions

1. Intercom Communication

The B4FM supports up to 10 riders for intercom communication, with optimal performance for groups of 4.

Image: An illustration showing multiple motorcyclists on a road, demonstrating the 1.2-mile intercom range for up to 10 riders, with a note that it's best for 4 riders.

• Initiate Intercom: Press the Intercom button once to start a conversation with a paired rider.
• End Intercom: Press the Intercom button again to end the conversation.
• Group Intercom: Follow the specific pairing instructions in the quick start guide for multi-rider group intercom setup.

2. Music Playback and Sharing

Enjoy music from your paired smartphone. The B4FM also allows two riders to share the same music.

Image: Two motorcyclists on a road, with a smartphone displaying music in the center, illustrating the music sharing feature between two riders.

• Play/Pause Music: Press the Multi-function button once.
• Next Track: Press the Volume Up button.
• Previous Track: Press the Volume Down button.
• Music Sharing: While music is playing, double-click the Power button to initiate music sharing with another paired B4FM unit.

3. Hands-Free Calling

Make and receive calls safely using voice commands or button presses.

• Answer Call: Press the Multi-function button once.
• End Call: Press the Multi-function button once.
• Reject Call: Press and hold the Multi-function button for 2 seconds.
• Voice Assistant (Siri/Google Assistant): Double-click the Multi-function button to activate your phone's voice assistant.

4. Volume Control

• Increase Volume: Press the Volume Up button.
• Decrease Volume: Press the Volume Down button.

Image: A motorcycle helmet with sound waves emanating from it, illustrating the loud sound speaker and noise cancellation technology for a premium and lossless sound experience.

Maintenance

1. Cleaning

Wipe the B4FM unit and speakers with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure all ports are dry before charging.

2. Waterproofing (IP67)

The B4FM unit has an IP67 waterproof rating, protecting it from rain, splashes, and dust. While it is highly water-resistant, avoid submerging the device in water for extended periods.

Image: A LEXIN B4FM unit mounted on a helmet, with water droplets on the helmet, demonstrating its IP67 waterproof technology to prevent rain interference.

3. Battery Care

To prolong battery life, avoid fully discharging the battery frequently. Store the device in a cool, dry place when not in use for extended periods. Charge the device at least once every three months if stored.

Troubleshooting

Specifications

Warranty and Support

LEXIN products are designed for durability and performance. For specific warranty information, please refer to the warranty card included with your product or visit the official LEXIN website.

For technical support, troubleshooting assistance beyond this manual, or inquiries about replacement parts, please contact LEXIN customer service through their official channels.

Online Resources:

• Visit the LEXIN Store on Amazon for product information and updates.