1. Product Overview
This manual provides detailed instructions for the FMOUSE M501 Wireless Gaming Mouse. It covers setup, operation, customization, maintenance, and troubleshooting to ensure optimal performance and user experience.
Package Contents:
- FMOUSE M501 Wireless Gaming Mouse
- 1.8m USB-C Cable
- USB Receiver (2.4GHz)
- User Manual
Key Features:
- Tri-Mode Connectivity: 2.4GHz Wireless, Bluetooth (BT1 & BT2), and USB-C Wired.
- High-Performance Sensor: PAW3311 Pro Gaming Sensor with up to 12,000 DPI, 1000Hz report rate, and 300 IPS tracking speed.
- Programmable Buttons: 6 customizable macro buttons.
- Rechargeable Battery: Built-in 600mAh battery for extended use.
- Ergonomic Design: Comfortable for large hands, lightweight (83 grams).
- RGB Lighting: Stylish adjustable RGB lighting effects.
- Universal Compatibility: Supports Windows, MacOS, iPadOS, ChromeOS, and Linux.
2. Setup Guide
2.1 Mouse Components
Familiarize yourself with the mouse buttons and components.

2.2 Initial Charging
Before first use, it is recommended to fully charge the mouse.
- Connect the provided USB-C cable to the mouse's charging port.
- Connect the other end of the cable to a USB power source (e.g., computer USB port, USB wall adapter).
- The charging indicator light will flash green. Once fully charged (approximately 2-3 hours), the light will remain solid green.

2.3 Connecting the Mouse
The M501 supports three connection modes: 2.4GHz Wireless, Bluetooth, and Wired.
2.3.1 2.4GHz Wireless Mode
- Locate the USB receiver stored in the magnetic compartment on the underside of the mouse.
- Plug the USB receiver into an available USB port on your computer.
- Slide the mode switch on the bottom of the mouse to the "2.4G" position.
- The mouse should connect automatically.
2.3.2 Bluetooth Mode (BT1 / BT2)
The mouse supports two separate Bluetooth connections (BT1 and BT2).
- Slide the mode switch on the bottom of the mouse to either "BT1" or "BT2" position.
- The mouse's indicator light will start flashing, indicating it's in pairing mode.
- On your device (PC, laptop, tablet), go to Bluetooth settings and search for new devices.
- Select "FMOUSE M501" (or similar name) from the list of available devices to pair.
- Once paired, the indicator light will stop flashing.
- To switch between BT1 and BT2, simply move the switch to the desired Bluetooth channel.
2.3.3 Wired Mode
- Connect the provided USB-C cable to the mouse's front port.
- Connect the other end of the cable to a USB port on your computer.
- The mouse will automatically switch to wired mode and can be used while charging.
3. Operating the Mouse
3.1 DPI Adjustment
The mouse features 5 adjustable DPI levels (800, 1600, 3200, 6400, 12000 DPI).
- Press the DPI Switch button (button 6 in the diagram) located behind the scroll wheel to cycle through the DPI settings.
- Each DPI level may be indicated by a different LED color on the mouse (e.g., 800dpi, 1600dpi, 3200dpi, 6400dpi, 12000dpi).

3.2 Report Rate
The mouse supports different report rates depending on the connection mode:
- Wired Mode: 1000Hz
- 2.4GHz Wireless Mode: 1000Hz
- Bluetooth Mode: 125Hz
Higher report rates provide more responsive tracking, which is beneficial for gaming.
3.3 RGB Lighting
The mouse features adjustable RGB lighting effects.
- Lighting effects can be customized using the dedicated software (see Section 4.1).
- The lighting will automatically turn off when the mouse is idle to conserve battery.

4. Customization and Software
4.1 Driver Software
The FMOUSE M501 features 6 programmable macro buttons. To unlock full customization options, including button remapping, DPI settings, report rate, and RGB lighting effects, download and install the official driver software.
- Visit the official FMOUSE website to download the latest driver software for your operating system.
- Install the software by following the on-screen instructions.
- Once installed, launch the application to access customization options.

4.2 Programmable Buttons
The software allows you to assign various functions to the 6 programmable buttons, including:
- Standard mouse functions (Left, Right, Middle click)
- Forward/Backward navigation
- DPI switching
- Custom keystrokes
- Macro recording and playback
- Multimedia controls
5. Charging and Battery Management
5.1 Battery Life
The FMOUSE M501 is equipped with a 600mAh rechargeable battery, providing approximately 80 hours of continuous heavy use on a full charge.
5.2 Charging the Mouse
Use the provided USB-C cable to charge the mouse. The mouse can be used in wired mode while charging.
- Low Battery: The indicator light will flash red.
- Charging: The indicator light will flash green.
- Fully Charged: The indicator light will be solid green.

5.3 Power Saving
The mouse automatically enters hibernation mode when idle to conserve battery power. It will wake up instantly upon movement.
6. Maintenance and Care
- Cleaning: Use a soft, dry cloth to clean the mouse. For stubborn dirt, a slightly damp cloth can be used, ensuring no liquid enters the mouse.
- Sensor Care: Keep the optical sensor on the underside of the mouse clean and free from dust or debris for optimal tracking performance.
- Storage: When not in use for extended periods, store the mouse in a dry, cool place. Ensure the USB receiver is stored in its magnetic compartment to prevent loss.
- Avoid Extreme Conditions: Do not expose the mouse to extreme temperatures, direct sunlight, or high humidity.
7. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Mouse not responding in 2.4GHz wireless mode. |
|
| Mouse not connecting via Bluetooth. |
|
| Mouse cursor movement is erratic or jumpy. |
|
| Buttons or scroll wheel not functioning correctly. |
|
| RGB lighting is off or not changing. |
|
8. Product Specifications
| Feature | Detail |
|---|---|
| Model Number | M501 |
| Connectivity | 2.4GHz Wireless, Bluetooth (BT1 & BT2), USB-C Wired |
| Sensor | PAW3311 Optical Sensor |
| DPI Range | 800 / 1600 / 3200 / 6400 / 12000 (5 levels) |
| Report Rate | 1000Hz (2.4GHz Wireless & Wired), 125Hz (Bluetooth) |
| Tracking Speed | 300 IPS |
| Acceleration | 35G |
| Buttons | 6 Programmable Buttons |
| Battery Capacity | 600mAh Lithium Ion |
| Battery Life | Approx. 80 hours (continuous heavy use) |
| Charging Port | USB-C |
| Cable Length | 1.8 meters |
| Weight | 83 grams (approx. 2.93 ounces) |
| Dimensions | 4.92 x 2.6 x 0.1 inches (125mm x 66mm x 38mm) |
| Compatibility | Windows, MacOS, iPadOS, ChromeOS, Linux |
9. Warranty and Support
9.1 Warranty Information
FMOUSE products are covered by a limited warranty from the date of purchase. Please refer to the warranty card included in your package or visit the official FMOUSE website for detailed warranty terms and conditions.
The warranty typically covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
9.2 Customer Support
For technical assistance, troubleshooting, or warranty claims, please contact FMOUSE customer support:
- Website: Visit the FMOUSE Official Store for FAQs, driver downloads, and contact information.
- Email: Refer to your product packaging or the official website for the most current support email address.
When contacting support, please have your product model (M501) and proof of purchase readily available.



