Introduction
The HXSJ T90Pro is a versatile 3-mode wireless e-sport gaming mouse designed for high performance and user convenience. It features a PIXART FR2012+S205 top-tier optical sensor, RGB lighting, 6 programmable buttons, and a magnetic charging dock. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your T90Pro gaming mouse.
Package Contents
Please check the package for the following items:
- HXSJ T90Pro Gaming Mouse
- Magnetic RGB Charging Dock
- USB-C Charging Cable
- 2.4GHz USB Receiver
- User Manual (this document)
Setup
1. Initial Charging
Before first use, it is recommended to fully charge the mouse. Connect the USB-C cable to the magnetic charging dock and then to a power source (e.g., computer USB port or USB wall adapter). Place the mouse onto the charging dock. The RGB lighting on the mouse and dock will indicate charging status.

2. Connectivity Modes
The T90Pro mouse supports three connection modes: 2.4GHz Wireless, Bluetooth (BT5.3), and USB-C Wired. A switch on the bottom of the mouse allows you to select the desired mode.

2.1. 2.4GHz Wireless Mode
- Locate the 2.4GHz USB receiver, typically stored in the charging dock or under the mouse.
- Plug the USB receiver into an available USB port on your computer.
- Switch the mode selector on the bottom of the mouse to '2.4G' or 'ON'.
- The mouse should automatically connect.
2.2. Bluetooth (BT5.3) Mode
- Switch the mode selector on the bottom of the mouse to 'BT'.
- On your computer, open Bluetooth settings and search for new devices.
- Select 'HXSJ T90Pro' (or similar) from the list of available devices to pair.
- The mouse's indicator light may flash during pairing and become solid once connected.
2.3. USB-C Wired Mode
- Connect the USB-C cable directly from the mouse to your computer's USB port.
- The mouse will automatically switch to wired mode and begin charging.
3. Software Installation
For full customization of buttons, macros, and RGB lighting, download and install the HXSJ T90Pro Pro Software from the official HXSJ website. This software is compatible with Windows operating systems.

Operating Instructions
1. Basic Functions
- Left Click: Primary action.
- Right Click: Secondary action/context menu.
- Scroll Wheel: Scroll up/down, Middle click.
- Side Buttons: Forward/Backward (default, customizable).
- DPI Button: Cycle through DPI settings (default, customizable).
2. DPI Adjustment
The T90Pro features a dedicated DPI button, typically located near the scroll wheel. Press this button to cycle through preset DPI levels. You can customize these levels using the HXSJ T90Pro Pro Software.
3. RGB Lighting Control
The mouse and charging dock feature customizable RGB lighting. The mouse supports 'Touch dimming' and 'Multiple light effects switchable'. Use the Pro Software to personalize lighting effects, colors, and brightness. The video below demonstrates the RGB lighting in action.
4. Advanced Customization (Pro Software)
The HXSJ T90Pro Pro Software allows you to:
- Remap all 6 programmable buttons.
- Create and assign macros.
- Adjust DPI stages and sensitivity.
- Configure polling rate (up to 1000Hz).
- Customize RGB lighting effects and colors.
- Manage power settings and battery life.
Maintenance
1. Cleaning
To maintain optimal performance, regularly clean your mouse. Use a soft, dry cloth to wipe the surface. For optical sensor cleaning, use a cotton swab lightly dampened with isopropyl alcohol. Ensure no liquid enters the mouse's internal components.
2. Battery Care
The T90Pro mouse uses a rechargeable battery. To prolong battery life:
- Avoid fully discharging the battery frequently.
- Charge the mouse when the battery indicator is low.
- Do not expose the mouse to extreme temperatures.
3. Storage
When not in use for extended periods, store the mouse and charging dock in a cool, dry place. Ensure the mouse is turned off to conserve battery life.
Troubleshooting
Mouse not responding:
- Ensure the mouse is charged.
- Check the mode switch on the bottom of the mouse (2.4G, BT, or Wired).
- For 2.4GHz mode, ensure the USB receiver is securely plugged in and the mouse is within range.
- For Bluetooth mode, ensure Bluetooth is enabled on your device and the mouse is paired. Try re-pairing if necessary.
- In wired mode, ensure the USB-C cable is properly connected to both the mouse and the computer.
- Try connecting the mouse to a different USB port or computer to rule out port issues.
Lag or intermittent connection:
- Ensure the mouse is close to the USB receiver (for 2.4GHz) or your Bluetooth device.
- Avoid sources of interference such as other wireless devices, Wi-Fi routers, or large metal objects.
- Ensure the mouse battery is sufficiently charged.
RGB lighting not working:
- Check the mouse's power status.
- Ensure the RGB lighting is enabled in the HXSJ T90Pro Pro Software.
- Verify connections if using the charging dock.
Buttons or scroll wheel not functioning correctly:
- Check for any debris or obstruction.
- Ensure the Pro Software is not conflicting with other mouse drivers or settings.
- Try resetting the mouse (if a reset button is available, or by turning it off and on).
Specifications
| Feature | Detail |
|---|---|
| Brand | HXSJ |
| Model | T90Pro |
| Sensor | PIXART FR2012+S205 |
| Operation Mode | Opto-electronic |
| Connection Mode | Wired + 2.4G Wireless + BT5.3 Bluetooth |
| Mouse Interface | Type-C |
| Wireless Distance | Up to 10m |
| Number of Buttons | 6 (Programmable) |
| Number of Rollers | 1 |
| Hand Orientation | Both Hands |
| Power Type | Rechargeable Battery |
| Battery Included | Yes |
| Acceleration | 40 G |
| Movement Speed (IPS) | 70 |
| Rate of Return (Polling Rate) | 1000Hz |
| Gross Weight | 244g |
| Mouse Weight | 88.2g (Super Light) |
| Package Dimensions | 22cm (L) x 12cm (W) x 6cm (H) |
| Operating Systems | Windows Vista, Win7/8/10/11, Mac OS X10.5 or Later |



Warranty and Support
The HXSJ T90Pro gaming mouse comes with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the product packaging or contact your retailer. Free returns are available within 90 days of purchase.
For technical support or further assistance, please contact the HXSJ Official Store or your point of purchase.
User Tips
- Optimize Performance: Regularly update the mouse firmware and software to ensure you have the latest features and bug fixes.
- Custom Profiles: Utilize the Pro Software to create different profiles for various games or applications, allowing quick switching between optimized settings.
- Battery Management: If you primarily use the mouse in wired mode, you can keep it connected to ensure it's always charged and ready for wireless use.
- RGB Sync: Experiment with the RGB lighting effects to match your gaming setup or personal preference.