1. Introduction
Thank you for choosing the MCHOSE L7 Pro Wireless Gaming Mouse. This manual provides detailed instructions on how to set up, operate, and maintain your new gaming mouse. The L7 Pro is designed for precision and performance, featuring a PAW3395 sensor, ultra-lightweight design, and versatile tri-mode connectivity.
2. Package Contents
Please verify that all items are present in your package:
- MCHOSE L7 Pro Wireless Gaming Mouse
- USB Receiver (2.4GHz)
- USB-C Charging Cable
- User Manual (this document)

Image: Top view of the MCHOSE L7 Pro Wireless Gaming Mouse in black.
3. Setup
3.1 Charging the Mouse
Before first use, it is recommended to fully charge the mouse. Connect the USB-C charging cable to the mouse's charging port and the other end to a USB power source (e.g., computer USB port, USB wall adapter). The LED indicator on the mouse will show charging status.
3.2 Connection Modes
The MCHOSE L7 Pro supports three connection modes: 2.4GHz Wireless, Bluetooth, and Wired USB.
3.2.1 2.4GHz Wireless Connection
- Locate the 2.4GHz USB receiver.
- Plug the USB receiver into an available USB port on your computer.
- On the bottom of the mouse, slide the mode switch to the "2.4G" position.
- The mouse should automatically connect to the receiver. If not, press the pairing button (if available, refer to specific mouse diagram) or cycle the power switch.

Image: MCHOSE L7 Pro mouse connected via 2.4GHz wireless with its receiver.
3.2.2 Bluetooth Connection
- On the bottom of the mouse, slide the mode switch to the "BT" position.
- The mouse will enter pairing mode (LED indicator may blink).
- On your computer, open Bluetooth settings and search for new devices.
- Select "MCHOSE L7 Pro" from the list of available devices to pair.
3.2.3 Wired USB Connection
- Connect the USB-C end of the charging cable to the mouse.
- Connect the USB-A end of the cable to an available USB port on your computer.
- The mouse will automatically switch to wired mode and begin charging.
4. Operating the Mouse
4.1 DPI Adjustment
The MCHOSE L7 Pro features a PAW3395 sensor with adjustable DPI settings up to 26,000 DPI. Use the DPI button (usually located behind the scroll wheel) to cycle through preset DPI levels. The LED indicator may change color to indicate the current DPI setting.

Image: Detailed view of the PAW3395 optical sensor and internal structure of the MCHOSE L7 Pro mouse.
4.2 Polling Rate
This mouse supports up to 8000Hz polling rate for ultra-low-latency response. The polling rate can typically be adjusted via the dedicated software (if available) or through specific button combinations on the mouse. Refer to the official MCHOSE website for software downloads.

Image: MCHOSE L7 Pro mouse demonstrating dual 8K polling rate capability with an external dongle.
4.3 Ergonomics and Weight
Weighing only 39g, the L7 Pro is designed for effortless maneuverability. Its ergonomic shape with a high hump and small waist angle is crafted to conform to various hand shapes and grip styles, providing comfort during extended gaming sessions.

Image: Exploded view illustrating the ultra-lightweight, holeless design of the MCHOSE L7 Pro mouse, weighing 39 grams.
5. Maintenance
5.1 Cleaning
To maintain optimal performance and appearance, regularly clean your mouse. Use a soft, dry cloth to wipe the surface. For stubborn dirt, a slightly damp cloth can be used, but ensure no moisture enters the mouse's internal components. Avoid using harsh chemicals or abrasive materials.

Image: MCHOSE L7 Pro mouse in black and white, highlighting its sleek and stain-resistant UV coating.
5.2 Storage
When not in use for extended periods, store the mouse in a cool, dry place away from direct sunlight and extreme temperatures. Ensure the mouse is turned off to conserve battery life.
6. Troubleshooting
- Mouse not responding:
- Ensure the mouse is charged.
- Check the connection mode switch (2.4G, BT, OFF) on the bottom of the mouse.
- For 2.4GHz, ensure the USB receiver is securely plugged into a working USB port. Try a different USB port.
- For Bluetooth, ensure Bluetooth is enabled on your computer and the mouse is paired. Try re-pairing.
- For wired mode, ensure the USB-C cable is securely connected to both the mouse and the computer.
- Restart your computer.
- Lag or erratic movement:
- Ensure the mouse sensor is clean and free of debris.
- Use the mouse on a clean, uniform surface (mouse pad recommended).
- Reduce wireless interference by moving other wireless devices away from the receiver.
- Check battery level; low battery can affect performance.
- DPI not changing:
- Ensure you are pressing the correct DPI adjustment button.
- If using custom software, ensure settings are applied correctly.
7. Specifications
| Feature | Detail |
|---|---|
| Model | L7 |
| Sensor | PAW3395 Optical Sensor |
| DPI Range | Up to 26,000 DPI |
| Polling Rate | Up to 8000Hz (8KHz) |
| Connectivity | 2.4GHz RF Wireless, Bluetooth, Wired USB-C |
| Weight | 39 grams (approx. 1.38 ounces) |
| Dimensions (L x W x H) | 4.55 x 2.39 x 0.1 inches |
| Battery | 1 C battery (included) |
| Manufacturer | Mchose |
| Country of Origin | China |
8. Warranty and Support
MCHOSE products come with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included in your product packaging or visit the official MCHOSE website. For technical support, troubleshooting assistance, or to download the latest software/drivers, please visit the MCHOSE Store on Amazon or contact MCHOSE customer service directly.
You can also find the official User Guide (PDF) here.