Introduction
Thank you for choosing the Generic M256 Dual Mode Wireless Mouse. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your new mouse. Designed for comfort and versatility, the M256 offers seamless connectivity via both Bluetooth 5.2 and 2.4GHz wireless modes, silent clicks, and adjustable DPI settings for various tasks.
Product Features
- Dual Connectivity Modes: Easily switch between Bluetooth 5.2 and 2.4GHz wireless connections for flexible multi-device use.
- Adjustable DPI Control: Choose between 800, 1200, and 1600 DPI for accurate and responsive cursor movement.
- Silent Click Technology: Reduces clicking noise by over 90% for quiet environments.
- Rechargeable USB-C Design: Built-in rechargeable battery eliminates the need for frequent battery replacement.
- Auto Sleep Power Saving: Automatically enters sleep mode after inactivity to extend battery lifespan.
- Ergonomic Compact Shape: Comfortable lightweight design suitable for small to medium hand sizes.
- Wide Compatibility: Supports laptops, PCs, MacBooks, tablets, and devices with USB-A or Bluetooth connectivity.
Package Contents
- 1 x Generic M256 Dual Mode Wireless Mouse
- 1 x USB Receiver (stored in the mouse battery compartment)
- 1 x USB-C Charging Cable
- 1 x User Manual
Setup
1. Charging the Mouse
Before first use, fully charge the mouse using the provided USB-C cable. Connect the USB-C end to the mouse and the USB-A end to a power source (e.g., computer USB port, USB wall adapter). The charging indicator light will show charging status.

Image: The M256 mouse with its USB-C charging port visible, highlighting its 3 DPI levels (800-1200-1600), noiseless click, and ergonomic design for comfortable hand-feel.
2. Connecting via 2.4GHz USB Mode
- Locate the USB receiver in the battery compartment of the mouse.
- Plug the USB receiver into an available USB-A port on your computer.
- Turn on the mouse. The mouse should automatically connect to your device.
3. Connecting via Bluetooth 5.2 Mode
- Turn on the mouse.
- Press and hold the Bluetooth key (often located on the bottom or top of the mouse) for 3 seconds until the indicator light flashes, indicating pairing mode.
- On your device (laptop, PC, MacBook, tablet), go to Bluetooth settings and search for new devices.
- Select "M256" from the list of available devices to pair.

Image: The M256 mouse illustrating its dual connectivity. BT5.2 mode is compatible with Windows 8/10, Mac OS x10.10, iOS 13/Android 4.3 or above. 2.4G USB mode works with devices featuring a USB interface.
4. Switching Between Modes
To switch between 2.4GHz and Bluetooth modes, briefly press the mode switch button (often the same as the Bluetooth pairing button) on the mouse. The indicator light will change to reflect the active mode (e.g., red for 2.4G, green for Bluetooth 5.2).

Image: A diagram showing the M256 mouse and instructions to press the BT key for 1 second to switch between Bluetooth and 2.4G modes. It indicates red light flashing for 2.4G mode and green light flashing for new version 2.4G, and the light flashing for code matching in BT mode.
5. Adjusting DPI
Press the DPI button (usually located behind the scroll wheel) to cycle through the available DPI settings: 800, 1200, and 1600 DPI. Each press will change the cursor speed and sensitivity.

Image: The M256 mouse with a finger pressing the DPI button, demonstrating the three adjustable DPI settings: 800, 1200, and 1600.
Operating Instructions
Basic Usage
- Left Click: Primary selection and activation.
- Right Click: Accesses contextual menus.
- Scroll Wheel: Scrolls content vertically. Can also be pressed for middle-click functionality.
Silent Clicks
The M256 mouse features silent click technology, significantly reducing the sound of button presses, making it ideal for quiet environments.

Image: The M256 mouse emphasizing its noiseless click feature and a durability rating of up to 8,000,000 clicks, shown with a sleeping baby in the background to illustrate quiet operation.
Auto Sleep Mode
To conserve battery life, the mouse will automatically enter sleep mode after a period of inactivity. To wake it up, simply move the mouse or click any button.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the mouse. Avoid using harsh chemicals or abrasive materials.
- Battery Care: For optimal battery life, avoid fully discharging the mouse frequently. Charge it when the low battery indicator appears.
- Storage: When not in use for extended periods, store the mouse in a cool, dry place.
Troubleshooting
Mouse Not Responding
- Ensure the mouse is turned on.
- Check the battery level and charge if necessary.
- For 2.4GHz mode, ensure the USB receiver is securely plugged into a working USB port. Try a different USB port.
- For Bluetooth mode, ensure Bluetooth is enabled on your device and the mouse is paired correctly. Try re-pairing the mouse.
- Switch between 2.4GHz and Bluetooth modes to see if one connection works.
Intermittent Connection
- Ensure the mouse is within the effective wireless range (up to 10 meters).
- Minimize interference from other wireless devices or large metal objects.
- Ensure the mouse is fully charged.
Cursor Movement is Erratic or Slow
- Clean the optical sensor on the bottom of the mouse.
- Ensure you are using the mouse on a suitable surface (non-reflective, non-transparent).
- Adjust the DPI setting to a higher value if the cursor is too slow.
Specifications
| Feature | Specification |
|---|---|
| Model Name | M256 |
| Connectivity Technology | Bluetooth 5.2, 2.4GHz Wireless |
| DPI Levels | 800 / 1200 / 1600 DPI (Adjustable) |
| Number of Buttons | 3 |
| Movement Detection | Laser |
| Power Source | Battery Powered (Rechargeable USB-C) |
| Compatible Devices | Personal Computer, Smartphone, Tablet |
| Compatible Platforms | Linux, Mac, PC (Windows XP/Vista/7/8/10/11, MacOS 10.10+, Android 5.0+) |
| Weight | ~80 grams |
| Dimensions (L x W x H) | 103 x 64.5 x 38 mm |
| Wireless Range | Up to 10 meters |

Image: Detailed view of the M256 mouse showing its dimensions (103mm length, 64.5mm width, 38mm height) and a table of technical specifications.
Warranty and Support
Warranty Information
This product is sold without an explicit warranty. Please refer to the retailer's return policy for any issues upon receipt.
Customer Support
For further assistance or inquiries, please contact the retailer or the manufacturer's customer service department. Refer to your purchase documentation for contact details.