1. Introduction
Thank you for choosing the BOW MD508L Lightweight Bluetooth Mute Mouse. This versatile mouse is designed for comfort and efficiency, featuring dual-mode wireless connectivity (2.4G and Bluetooth), vibrant RGB backlighting, and an ergonomic design. Its transparent magnetic cover adds a unique aesthetic while providing easy access to the USB receiver. This manual will guide you through the setup, operation, and maintenance of your new mouse.
2. Key Features
- Dual-Mode Connectivity: Seamlessly switch between 2.4G wireless and Bluetooth (BT1/BT2) modes, connecting up to three devices simultaneously.
- Adjustable DPI: Three DPI settings (800/1200/1600) for precise control, suitable for various tasks from daily use to design and gaming.
- Vibrant RGB Backlighting: Customizable RGB lighting effects to enhance your workspace.
- Ergonomic Design: Contoured shape fits comfortably in your hand, reducing fatigue during prolonged use.
- Mute Click Buttons: Enjoy a quiet working environment with silent left and right click buttons.
- Transparent Magnetic Cover: A stylish, high-purity transparent cover that is easily removable for accessing the USB receiver.
- Rechargeable Battery: Built-in 400mAh lithium battery, rechargeable via Type-C port.
- Automatic Sleep Mode: Power-saving feature that puts the mouse into sleep mode after 10 minutes of inactivity.
- Plug and Play: Driver-free installation for quick and easy setup on compatible systems.


3. Package Contents
Please check the package contents upon unboxing:
- BOW MD508L Wireless RGB Ergonomic Mouse
- USB 2.4G Receiver
- Type-C Charging Cable
- User Manual (this document)
4. Specifications
| Feature | Specification |
|---|---|
| Model | MD508L |
| Connectivity | 2.4Ghz Wireless, Bluetooth (BT1, BT2) |
| Wireless Distance | Up to 10 meters |
| DPI Settings | 800 / 1200 / 1600 |
| Battery Type | Rechargeable Lithium Battery |
| Battery Capacity | 400mAh |
| Charging Interface | Type-C |
| Charging Time | Less than 2 hours |
| Report Rate | 125Hz |
| Sleep Mode | Automatic after 10 minutes of inactivity |
| Backlight | RGB |
| Material | ABS |
| Dimensions (L x W x H) | 111.28mm x 63.46mm x 35.53mm |
| Compatible Platforms | Linux, Windows (Win7 and above), Android, macOS, iOS, HarmonyOS |

5. Setup and Connection
The BOW MD508L mouse supports both 2.4G wireless and Bluetooth dual-mode connections, allowing you to connect to up to three devices simultaneously and switch between them with ease.
5.1. Accessing the USB Receiver
The 2.4G USB receiver is conveniently stored under the mouse's transparent magnetic top cover. Gently lift the cover to access it.

5.2. 2.4G Wireless Mode Setup
- Remove the USB 2.4G receiver from its storage slot under the magnetic cover.
- Plug the USB receiver into an available USB port on your computer or device.
- Locate the mode switch on the bottom of the mouse. Slide the switch to the "2.4G" position.
- The mouse will automatically connect to your device. It is a plug-and-play device, requiring no driver installation.

5.3. Bluetooth Mode Setup (BT1 / BT2)
- Locate the mode switch on the bottom of the mouse. Slide the switch to either the "BT1" or "BT2" position.
- Press and hold the Bluetooth pairing button (usually located near the mode switch) for 3-5 seconds until the indicator light starts flashing, indicating it's in pairing mode.
- On your device (computer, tablet, smartphone), go to Bluetooth settings and search for new devices.
- Select "BOW MD508L" (or similar name) from the list of available devices to pair.
- Once paired, the indicator light on the mouse will stop flashing and remain solid or turn off.
- Repeat these steps for BT2 to connect to a second Bluetooth device.


6. Operation
6.1. DPI Adjustment
The mouse features three adjustable DPI (Dots Per Inch) settings to suit your precision needs:
- 800 DPI: Recommended for daily use.
- 1200 DPI: Recommended for design work.
- 1600 DPI: Recommended for gaming.
To switch DPI, press the DPI button (usually located behind the scroll wheel). Each press cycles through the available DPI settings.

6.2. RGB Backlight Control
The mouse features dynamic RGB backlighting. To control the backlight:
- Enter Backlight Switching Mode: Long press the DPI button for three seconds. The light effect will flash red twice.
- Cycle Backlight Modes: While in backlight switching mode, short press the DPI button to cycle through different RGB lighting effects.
- Exit Backlight Switching Mode: Long press the DPI button again for three seconds. The light effect will flash twice, and the DPI button will return to its normal function.

6.3. Automatic Sleep Mode
To conserve battery life, the mouse will automatically enter sleep mode after 10 minutes of no operation or movement. To wake the mouse, simply move it or click any button.

6.4. Ergonomic Design
The mouse is designed to fit the natural curve of your palm, providing a comfortable grip for extended periods of use, whether for office tasks or gaming.

7. Charging Instructions
The BOW MD508L mouse comes with a built-in rechargeable 400mAh lithium battery. When the battery is low, the indicator light may flash or the mouse performance might degrade.
- Connect the provided Type-C charging cable to the charging port on the front of the mouse.
- Connect the other end of the cable to a USB power source (e.g., computer USB port, USB wall adapter).
- The mouse will begin charging. A full charge typically takes less than 2 hours.
- The indicator light will change to show charging status (e.g., solid red while charging, off when fully charged).

8. Maintenance and Care
- Cleaning: Use a soft, dry cloth to clean the mouse. For stubborn dirt, a slightly damp cloth can be used, but ensure no moisture enters the mouse. Do not use harsh chemicals or abrasive cleaners.
- Storage: When not in use for extended periods, store the mouse in a cool, dry place. If using 2.4G mode, store the USB receiver inside the mouse to prevent loss.
- Battery Care: Avoid fully discharging the battery frequently. Charge the mouse regularly to maintain battery health.
- Avoid Extreme Conditions: Do not expose the mouse to extreme temperatures, direct sunlight, or high humidity.
9. Troubleshooting
- Mouse not responding:
- Ensure the mouse is powered on and the battery is charged.
- Check if the mouse is in the correct mode (2.4G or Bluetooth) for your device.
- For 2.4G mode, ensure the USB receiver is securely plugged into your device. Try a different USB port.
- For Bluetooth mode, ensure Bluetooth is enabled on your device and the mouse is properly paired. Try re-pairing the mouse.
- Try restarting your device.
- DPI not changing:
- Ensure you are pressing the correct DPI button.
- If the mouse is in backlight switching mode, exit it by long-pressing the DPI button for 3 seconds.
- RGB backlight not working or stuck:
- Ensure the mouse battery is not critically low.
- Try long-pressing the DPI button for 3 seconds to enter/exit backlight switching mode and cycle through effects.
- Restart the mouse by turning it off and on again.
- Mouse frequently disconnects:
- Ensure the mouse is within the 10-meter effective range of your device.
- Minimize interference from other wireless devices.
- Ensure the battery is sufficiently charged.
10. User Tips
- Receiver Storage: Always store the 2.4G USB receiver inside the mouse's magnetic compartment when not in use to prevent misplacement.
- Multi-Device Use: Take advantage of the dual Bluetooth channels (BT1, BT2) to quickly switch between two different Bluetooth-enabled devices, in addition to a 2.4G connection.
- Power Saving: Remember that the mouse enters an automatic sleep mode after 10 minutes of inactivity. A simple click or movement will wake it instantly.
11. Warranty and Support
This product comes with a standard manufacturer's warranty. For detailed warranty information, technical support, or service inquiries, please refer to the seller's official website or contact their customer service directly. Keep your purchase receipt as proof of purchase.
12. Product Video Demonstration
Video 12.1: Product demonstration showcasing the mouse's features, RGB lighting, ergonomic design, and connectivity options.





