Introduction
Thank you for choosing the MONODEAL Bluetooth Headset. This open-ear headset is designed to provide clear communication and comfortable listening, featuring advanced noise cancellation, Bluetooth 5.1 connectivity, and multipoint connection capabilities. This manual will guide you through the setup, operation, and maintenance of your new headset to ensure optimal performance and longevity.

Image: The MONODEAL Bluetooth Headset, showcasing its sleek design and integrated microphone.
Package Contents
Please check the package contents carefully. If any items are missing or damaged, please contact customer support.
- MONODEAL Bluetooth Headset (MD08 pro)
- USB Charging Cable
- User Manual

Image: Contents of the MONODEAL headset package, including the headset, charging cable, and user manual.
Product Overview
Familiarize yourself with the various components and controls of your MONODEAL Bluetooth Headset.

Image: Diagram highlighting the dual noise-canceling microphone and the one-click mute button on the headset.

Image: Illustration showing the 142-degree rotation capability of the headset's microphone boom.
Key Features:
- Noise Cancellation & Mute Function: Advanced ambient noise reduction for clear calls. Easy-to-access mute button on the microphone.
- Improved Air Conduction: Delivers sound without bone conduction vibrations, ensuring comfort during extended wear.
- Bluetooth 5.1 & High-Quality Sound: Faster transmission, stable connection, low latency, and energy efficiency with stereo sound.
- Multipoint Connection: Connects to two devices simultaneously (Android, iOS, Windows compatible).
- Long Battery Life: Up to 8 hours of talk/music time, 36 hours standby, with Type-C fast charging.
- Open-Ear Design: Lightweight and comfortable, allowing awareness of surroundings while enjoying audio.
Setup
1. Charging the Headset
Before first use, fully charge the headset. Use the provided USB Type-C cable to connect the headset to a power source (e.g., computer USB port, wall adapter).
- A full charge takes approximately 2 hours.
- The LED indicator will show charging status (e.g., red for charging, blue for fully charged).

Image: Visual representation of the headset being charged via its USB-C port, indicating fast charging capability.
2. Pairing with a Device
The MONODEAL headset supports Bluetooth 5.1 for a stable and efficient connection.
- Power On: Press and hold the Power button until the LED indicator flashes blue and red, indicating pairing mode.
- Activate Bluetooth: On your device (smartphone, tablet, computer), enable Bluetooth.
- Select Headset: In your device's Bluetooth settings, search for "MONODEAL MD08 pro" (or similar) and select it to connect.
- Confirmation: Once connected, the headset's LED will flash blue slowly, and you may hear an audible confirmation.

Image: The headset shown connected to a laptop, smartphone, and tablet, illustrating its dual device connection capability across Windows, Android, and iOS platforms.
3. Multipoint Connection
Your headset can connect to two Bluetooth devices simultaneously, allowing seamless switching between them.
- Pair the headset with the first device as described above.
- Disable Bluetooth on the first device.
- Put the headset back into pairing mode and pair it with the second device.
- Re-enable Bluetooth on the first device. The headset should automatically connect to both devices.
When a call comes in on one device, the headset will automatically switch to that device. When the call ends, it will revert to the previous audio source.
Operating Instructions
The headset features intuitive controls for managing calls and media playback.

Image: Visual guide to the headset's multi-function button, illustrating controls for play/pause, skipping tracks, managing calls, adjusting volume, and accessing voice assistant.
Power On/Off:
- Power On: Press and hold the Power button for 3 seconds.
- Power Off: Press and hold the Power button for 5 seconds.
Call Management:
- Answer/End Call: Press the Multi-function button once.
- Reject Call: Press and hold the Multi-function button for 2 seconds.
- Mute/Unmute Microphone: Press the dedicated Mute button on the microphone boom.

Image: Detailed view of the mute button located on the microphone boom for quick call privacy.
Audio Control:
- Play/Pause: Press the Multi-function button once.
- Next Track: Double-press the Multi-function button.
- Previous Track: Triple-press the Multi-function button.
- Volume Up: Press the Volume + button.
- Volume Down: Press the Volume - button.
Voice Assistant:
- Activate Voice Assistant: Press and hold the Multi-function button for 2 seconds (when not on a call).
Maintenance
Proper care will extend the life of your headset.
- Cleaning: Wipe the headset with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the headset in a cool, dry place away from direct sunlight and extreme temperatures.
- Water Resistance: While designed for daily use, avoid submerging the headset in water.
- Charging: Only use the provided charging cable or a certified Type-C cable.
Troubleshooting
If you encounter issues, try the following solutions:
| Problem | Solution |
|---|---|
| Headset won't turn on. | Ensure the headset is fully charged. Connect it to a power source and try again. |
| Cannot pair with device. |
|
| No sound or low volume. |
|
| Microphone not working. |
|
| Connection drops frequently. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Number | MD08 pro |
| Brand | MONODEAL |
| Connectivity Technology | Wireless (Bluetooth 5.1) |
| Ear Placement | Open Ear |
| Form Factor | Air Conduction (Improved from Bone Conduction) |
| Noise Control | Noise Shielding (Noise Cancellation) |
| Battery | 1 Lithium-Metal Battery (included) |
| Battery Life (Talk/Music) | Up to 8 hours |
| Standby Time | Up to 36 hours |
| Charging Time | Approx. 2 hours (Type-C fast charging) |
| Transmission Range | Up to 10 meters (33 feet) |
| Included Components | Cable |
| Color | Black |
Warranty and Support
MONODEAL products are designed for reliability and performance. For warranty information and technical support, please refer to the warranty card included in your package or visit the official MONODEAL website.
If you experience any issues not covered in this manual, please contact our customer service team for assistance. Please have your model number (MD08 pro) and purchase details ready.





