1. Introduction
Thank you for choosing the HXSJ T66 RGB 2.4G Wireless Gaming Mouse. This manual provides detailed instructions for the proper setup, operation, maintenance, and troubleshooting of your new mouse. Designed for comfort and performance, the T66 features an ergonomic, lightweight honeycomb hollow design, adjustable DPI settings, vibrant RGB lighting, and a reliable 2.4GHz wireless connection, making it ideal for both desktop and laptop use.
2. Product Overview
The HXSJ T66 mouse combines an ultra-thin appearance with an ergonomic design for a comfortable grip during extended use. Its honeycomb hollow shell reduces weight to approximately 81.5g, enhancing ventilation and preventing sweaty palms. The mouse is equipped with a high-capacity polymer lithium battery for long standby times and features automatic sleep functionality to conserve power.
Component Identification:
- Top View: Left button, Middle button (scroll wheel), Right button, DPI key, Forward key, Back button, Luminous logo.
- Bottom View: Charging hole, Light mode key, Red light engine (optical sensor), 2.4G receiver storage, Power switch (ON/OFF/ONL), Light strip.
3. Specifications
| Feature | Description |
|---|---|
| Model | T66 |
| Type | 2.4GHz Wireless |
| Operation Mode | Opto-electronic |
| Hand Orientation | Right |
| Number of Buttons | 6 |
| Number of Rollers | 1 (Scroll Wheel) |
| DPI Settings | 800 / 1600 / 2400 / 3600 (adjustable) |
| Key Life | 10 million switches |
| Battery Type | Built-in rechargeable lithium battery |
| Battery Capacity | 750mAh |
| Rated Voltage/Current | 3.7V/15mA |
| Working Distance | Up to 10 meters |
| Dimensions (L*W*H) | 13 * 6.7 * 3.8 cm / 5.12 * 2.64 * 1.5 in |
| Weight | Approx. 81.5g / 2.87oz |
| Compatibility | Windows (XP/Vista/7/8/Server 2003/2000/Win 10, etc.), macOS (10.10 above recommended) |
| Certification | CE |
4. Setup Guide
- Charge the Mouse: Before first use, connect the included USB Charge Cable to the mouse's charging hole and a USB power source (e.g., computer USB port, USB wall adapter). Allow the mouse to charge fully.
- Locate the USB Receiver: The mini USB receiver is typically stored in a compartment on the underside of the mouse for safekeeping. Gently remove it.
- Connect the Receiver: Plug the USB receiver into an available USB port on your desktop or laptop computer.
- Power On the Mouse: Slide the Power switch on the bottom of the mouse to the 'ON' position. For RGB lighting, slide it to the 'ONL' position.
- Automatic Connection: The mouse should automatically connect to your computer. No additional drivers are typically required for Windows or macOS systems.
5. Operating Instructions
5.1 Basic Functions
- Left/Right Click: Standard mouse button functions.
- Middle Button/Scroll Wheel: Scroll up/down pages, click for middle-click functionality (e.g., opening links in new tabs).
- Forward/Back Buttons: Located on the side, these buttons allow for quick navigation in web browsers or file explorers.
5.2 DPI Adjustment
The mouse features a dedicated DPI key to cycle through four adjustable DPI settings: 800, 1600, 2400, and 3600. Each DPI setting is indicated by a specific LED color:
- 800 DPI: Green LED light
- 1600 DPI: Purple LED light
- 2400 DPI: Blue LED light
- 3600 DPI: Red LED light
5.3 RGB Lighting Modes
The HXSJ T66 mouse offers 7 programmable RGB backlight modes. Use the 'Light mode key' on the bottom of the mouse to cycle through these modes and customize your gaming atmosphere.
- Tail
- Neon
- Response
- Wave
- Colorful Streaming
- Steady
- Breathing
6. Charging
The HXSJ T66 mouse is equipped with a built-in 750mAh rechargeable lithium battery. To charge the mouse, connect the provided USB charging cable to the charging hole on the front of the mouse and to a USB power source. The mouse can be used while charging, though it primarily operates wirelessly.
For optimal battery life, it is recommended to fully charge the mouse before its first use. The mouse features a long standby time and an automatic sleep function that activates after 5 seconds of inactivity to conserve battery power.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the mouse. For stubborn dirt, a slightly damp cloth can be used, ensuring no moisture enters the internal components. Avoid harsh chemicals or abrasive cleaners.
- Sensor Care: Keep the optical sensor on the bottom of the mouse clean and free from dust or debris to ensure accurate tracking.
- Battery Care: To prolong the life of the built-in lithium battery, avoid fully discharging it frequently. Recharge the mouse when the battery indicator suggests low power. Store the mouse in a cool, dry place when not in use for extended periods.
- Storage: When transporting or storing the mouse, consider placing the USB receiver back into its dedicated slot on the mouse's underside to prevent loss.
8. Troubleshooting
- Mouse not responding:
-
- Ensure the USB receiver is securely plugged into a working USB port on your computer.
- Check if the mouse's power switch is in the 'ON' or 'ONL' position.
- The mouse battery might be low. Connect the mouse to a power source using the USB charge cable.
- Try plugging the USB receiver into a different USB port.
- Restart your computer.
- Mouse frequently enters sleep mode (turns off every minute):
-
- The mouse has an automatic sleep function that activates after 5 seconds of inactivity to save battery. This is normal behavior. Simply move or click the mouse to wake it up.
- Ensure the battery is sufficiently charged, as low battery might trigger more aggressive power-saving modes.
- RGB lighting not working:
-
- Ensure the power switch on the bottom of the mouse is set to the 'ONL' position (On with Light).
- Press the 'Light mode key' on the bottom of the mouse to cycle through the lighting modes.
- Check battery level; low battery might disable lighting features.
- Inaccurate tracking or cursor lag:
-
- Clean the optical sensor on the bottom of the mouse.
- Ensure the mouse is used on a suitable surface (e.g., a mouse pad).
- Reduce interference by moving other 2.4GHz wireless devices away from the mouse and receiver.
- Try adjusting the DPI setting using the DPI key.
9. User Tips
- Battery Saving: The mouse's automatic sleep feature is designed to extend battery life. A quick movement or click will instantly wake it up.
- DPI Indicators: Pay attention to the LED color when adjusting DPI to quickly identify your current sensitivity setting (Green for 800, Purple for 1600, Blue for 2400, Red for 3600).
- Ergonomic Comfort: The ergonomic and lightweight design is intended for long gaming or work sessions. Experiment with different grip styles to find what is most comfortable for you.
- System Compatibility: While compatible with both Windows and macOS, ensure your macOS version is 10.10 or above for optimal performance.
10. Warranty and Support
For any issues not covered in this manual, or for further assistance, please contact the seller or manufacturer's customer support. Keep your purchase receipt as proof of purchase for warranty claims.





