1. Introduction
Welcome to the COMEXION BH-M100 Bluetooth Trucker Headset with Dongle. This manual provides detailed instructions for setting up, operating, and maintaining your headset to ensure optimal performance and clear communication. Please read this manual thoroughly before using your new headset.
2. What's in the Box
- COMEXION BH-M100 Bluetooth Headset
- USB Dongle
- USB Type-C Charging Cable
- User Manual
3. Product Overview
The COMEXION BH-M100 headset is designed for comfort and clear communication, featuring a noise-canceling microphone and versatile connectivity options.

Figure 3.1: COMEXION BH-M100 Bluetooth Trucker Headset with USB Dongle. This image displays the complete headset and its accompanying USB dongle.
3.1. Headset Features and Controls

Figure 3.2: Detailed view of the headset controls. Key controls include the Multi-Function Button (MFB), Volume +/Next Song, Volume -/Previous Song, Microphone Mute Button with LED Indicator, and the Type-C Charge Port.
- Multi-Function Button (MFB): Used for power on/off, answering/ending calls, and play/pause music.
- Volume +/- Buttons: Adjust volume, skip tracks.
- Microphone Mute Button: Mutes/unmutes the microphone during calls. Features an LED indicator.
- Type-C Charge Port: For charging the headset.
- 270° Rotatable Microphone: Allows for use on either the left or right ear.
3.2. Comfort and Design

Figure 3.3: The headset is designed for extended wear, featuring an adjustable headband, soft protein leather ear pads, an anti-slip pad for stability, and a microphone that rotates 270 degrees for flexible positioning.
- Adjustable Headband: Ensures a comfortable fit for various head sizes.
- Soft Ear Pad: Made from ultra-soft protein leather for all-day comfort.
- Anti-Slip Pad: Provides stability during use.
4. Setup Instructions
4.1. Charging the Headset
- Connect the USB Type-C charging cable to the headset's charging port.
- Connect the other end of the cable to a USB power source (e.g., computer USB port, wall adapter).
- The LED indicator will show charging status. A full charge takes approximately 1.5 hours.
A full charge provides up to 30 hours of continuous talk time and 400 hours of standby time.
4.2. Powering On/Off
- Power On: Press and hold the Multi-Function Button (MFB) until the LED indicator flashes.
- Power Off: Press and hold the MFB until the LED indicator turns off.
4.3. Bluetooth Pairing
The headset uses Bluetooth 5.0 for quick, efficient, and stable connections.
- Ensure the headset is powered off.
- Press and hold the MFB until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "COMEXION BH-M100" from the list.
- Once paired, the LED indicator will flash blue periodically.
4.4. Connecting with USB Dongle
For devices without Bluetooth functionality, use the included USB dongle.

Figure 4.1: The USB dongle allows connection to devices without built-in Bluetooth, such as a desktop computer or older laptop.
- Plug the USB dongle into an available USB port on your computer or device.
- Power on the headset and ensure it is in pairing mode (LED flashes red and blue).
- The headset will automatically connect to the USB dongle. The LED on the dongle will indicate a successful connection.
5. Operating Instructions
5.1. Call Management

Figure 5.1: The headset provides hands-free conversation with HD voice quality and a high-quality microphone, ideal for professional and personal calls.
- Answer/End Call: Press the MFB once.
- Reject Call: Press and hold the MFB for 2 seconds.
- Mute/Unmute Microphone: Press the dedicated Microphone Mute Button once. The LED indicator on the button will illuminate when muted.
Note: The MFB call answer/hang-up function is primarily for phone calls. For applications like Skype, Zoom, or Teams on a PC, you may need to manage calls directly within the software.
5.2. Music Playback
- Play/Pause: Press the MFB once.
- Next Track: Press and hold the Volume + button.
- Previous Track: Press and hold the Volume - button.
5.3. Volume Adjustment
- Press the Volume + button to increase volume.
- Press the Volume - button to decrease volume.
5.4. Multi-Device Connection
The headset can pair with two devices simultaneously, allowing for seamless switching.

Figure 5.2: The headset supports simultaneous pairing with two devices, such as two smartphones, enabling quick switching between them.
To switch between connected devices, simply play audio or answer a call on the desired device. The headset will automatically switch its audio source.
6. Device Compatibility
The COMEXION BH-M100 headset is compatible with a wide range of devices and platforms:
- Most Android and iOS Bluetooth-enabled devices.
- Computers and laptops via Bluetooth or the included USB dongle.
- Communication platforms such as Skype, Zoom, and Teams.
7. Battery Information

Figure 7.1: The headset offers impressive battery performance, including up to 34 hours of talk time and 400 hours of standby time from a 1.5-hour charge.
- Battery Type: 1 Lithium Ion battery (included).
- Charging Time: Approximately 1.5 hours.
- Continuous Talk Time: Up to 30 hours (up to 34 hours as per some visuals).
- Music Playback Time: Up to 30 hours.
- Standby Time: Up to 400 hours.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | M100 with dongle |
| Connectivity Technology | Wireless |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Version | 5.0 |
| Bluetooth Range | 10 Meters |
| Material | Plastic, Faux Leather (earpads) |
| Charging Time | 1.5 - 2 Hours |
| Battery Life (Talk Time) | Up to 30-34 Hours |
| Standby Time | 400 Hours |
| Recommended Uses | Calling, Home Office, Zoom Meetings, Skype |
| Control Type | Media Control |
| Item Weight | 4.9 ounces (0.31 Pounds) |
| Product Dimensions | 7 x 6 x 2.5 inches |
| Ear Placement | On Ear |
| Special Features | Adjustable Headband, Microphone Included, Noise Cancellation, USB connectivity, Multi-device pairing |
9. Troubleshooting
- No Power: Ensure the headset is fully charged. Connect it to a power source using the provided USB-C cable.
- Cannot Pair:
- Ensure the headset is in pairing mode (LED flashing red and blue).
- Make sure Bluetooth is enabled on your device and it is within 10 meters of the headset.
- Turn off and on your device's Bluetooth, then try pairing again.
- If using the USB dongle, ensure it is properly inserted and the headset is in pairing mode.
- No Sound/Microphone Not Working:
- Check the volume levels on both the headset and your connected device.
- Ensure the headset is selected as the audio input/output device in your computer's sound settings or communication application (e.g., Zoom, Skype).
- Verify the microphone is not muted. Press the mute button to toggle.
- For PC applications, confirm the software settings recognize the headset's microphone.
- Connection Instability with Two Devices: While the headset supports two simultaneous connections, some devices or applications may experience interference. Try disconnecting one device if you encounter issues.
- Poor Audio Quality:
- Ensure the headset is within range of your device (10 meters).
- Minimize obstacles between the headset and your device.
- Check for other interfering wireless devices.
- Ensure the microphone is positioned correctly near your mouth for optimal voice pickup.
10. Maintenance
- Clean the headset regularly with a soft, dry cloth.
- Avoid exposing the headset to extreme temperatures, moisture, or corrosive substances.
- Store the headset in a cool, dry place when not in use.
- Do not attempt to disassemble or modify the headset, as this will void the warranty.
11. Warranty and Support
Your COMEXION BH-M100 headset comes with a standard manufacturer's warranty. For detailed warranty information, technical support, or service inquiries, please refer to the contact information provided on the product packaging or visit the official COMEXION website.





