1. Introduction
Thank you for choosing the Mofii M3 2.4G Wireless Mouse. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your new wireless mouse. Please read this manual thoroughly before use to ensure optimal performance and longevity of your device.

2. Package Contents
Please check the package for the following items:
- 1 x Mofii M3 2.4G Wireless Mouse
- 1 x USB Receiver
- 1 x User Manual
3. Specifications
| Feature | Specification |
|---|---|
| Brand | MOFii |
| Model | M3 |
| Connection Mode | 2.4G Wireless |
| Wireless Distance | Up to 10 meters |
| DPI Levels | 1000-1200-1600 DPI (3 adjustable gears) |
| Number of Buttons | 5 |
| Number of Rollers | 1 |
| Hand Orientation | Right |
| Style | Mini |
| Supported System | Win7/Win8/Win10 |
| Battery Type | 1 x AA battery (not included) |
| Item Size | 10.4 x 6.8 x 3.8 cm (4.09 x 2.68 x 1.5 in) |
| Item Weight | Approx. 90g (3.17 oz) |
| Certification | CE |
4. Setup Guide
Follow these steps to set up your Mofii M3 Wireless Mouse:
- Insert Battery: Open the battery compartment cover on the underside of the mouse. Insert one AA battery, ensuring the polarity (+/-) matches the diagram inside the compartment. Close the cover securely.
- Connect USB Receiver: Take the USB receiver out of its storage slot (usually located in the battery compartment or near it). Plug the USB receiver into an available USB port on your computer (desktop, laptop, etc.).
- Power On: Turn on the mouse using the power switch, typically located on the underside of the mouse.
- Automatic Connection: The mouse should automatically connect to your computer. Your operating system may install necessary drivers, which usually happens automatically.
- Test Functionality: Move the mouse to check if the cursor responds on your screen. If it does, your mouse is ready for use.

5. Operating Instructions
5.1. 2.4G Wireless Connection
The Mofii M3 mouse utilizes 2.4G wireless technology, providing a stable connection up to 10 meters away from the USB receiver. This ensures reliable and responsive control without the clutter of cables.

5.2. DPI Adjustment
The mouse features 3 adjustable DPI levels (1000-1200-1600 DPI) to suit various tasks and preferences. To change the DPI setting, press the dedicated DPI button, usually located behind the scroll wheel. Each press will cycle through the available DPI settings, allowing you to adjust the cursor's movement speed for accurate positioning and low delay.

5.3. Ergonomic Design
The Mofii M3 is designed with an ergonomic curve that comfortably fits the palm of your hand, reducing strain during extended use. Its mini style makes it suitable for various users and portable applications.

5.4. Low Noise Operation
The mouse features low click noise, ensuring a quiet working environment. This is particularly beneficial in shared spaces or during late-night use, preventing disturbance to others.

6. Maintenance
6.1. Cleaning
- Use a soft, dry cloth to wipe the surface of the mouse.
- For stubborn dirt, slightly dampen the cloth with water or a mild cleaning solution. Avoid excessive moisture.
- Do not use harsh chemicals, abrasive cleaners, or solvents, as these can damage the mouse's finish.
- Ensure no liquid enters the mouse's internal components.
6.2. Battery Replacement
When the mouse performance degrades or it stops responding, it's likely time to replace the AA battery. Follow the steps in the 'Setup Guide' to open the battery compartment and replace the old battery with a new AA battery, ensuring correct polarity.
6.3. Auto Sleep Function
The Mofii M3 mouse features an automatic sleep mode to conserve energy. If the mouse is not used for 5 minutes, it will enter sleep mode. To wake it up, simply move the mouse or click any button.
7. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Mouse not responding |
|
| Cursor movement is erratic or slow |
|
| Wireless connection issues |
|
8. User Tips
No specific user tips were available from the provided Q&A or reviews. However, general tips for wireless mouse users include:
- Always turn off the mouse when not in use for extended periods to conserve battery life.
- Keep the USB receiver in a safe place when traveling to avoid loss.
- Consider using a mouse pad for smoother tracking and to protect your desk surface.
9. Warranty and Support
MOFii products are manufactured to high-quality standards. For warranty information and technical support, please refer to the contact details provided by your retailer or visit the official MOFii website. Please retain your proof of purchase for any warranty claims.





