1. Introduction
Thank you for choosing the HXSJ M103 3-Mode Wireless Optical Mouse. This manual provides detailed instructions on how to set up, operate, and maintain your new mouse. The M103 offers versatile connectivity with 2.4GHz wireless and dual Bluetooth 5.1 modes, ensuring a seamless experience across various devices. Its ergonomic design, adjustable DPI, and silent click feature make it ideal for both office and gaming environments.
2. Package Contents
- 1 x HXSJ M103 3-Mode Wireless Mouse
- 1 x USB Receiver
- 1 x USB Charging Cable (25cm)
- 1 x Instruction Manual
3. Specifications
| Feature | Description |
|---|---|
| Model | M103 ThreeModes Power Display Wireless Mouse |
| Connectivity | 2.4Ghz Wireless + BT5.1 + BT5.1 (Three Modes) |
| Color Options | Black, Silver |
| Material | ABS |
| IC | PixArt3065 |
| Return Rate | 125HZ |
| Movement Speed | 28 IPS |
| Refresh Rate | 3000 FPS |
| Acceleration | 10 G |
| Key Life | 5 million times (Silent design) |
| Wireless Distance | 15m |
| Operation Mode | Opto-electronic |
| Battery Capacity | 500mAh (Rechargeable lithium battery) |
| Charging Cable Length | 25cm |
| Resolution (DPI) | 800, 1200, 1600 (1200dpi Default) |
| Rated Voltage / Current | 3.7V / 18mA |
| Charging Time | 2 hours |
| Working Time | 150 hours |
| Buttons | 2 Buttons (Left/Right), 1 Scroll Wheel, DPI key, One-button desktop button (Windows only) |
| System Requirements | Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10 / Vista Mac OS or latest |
| Product Weight | 70g |
| Item Size | 11.3 * 5.7 * 2.6 cm |
| Gross Weight | 130g |
| Package Size | 12 * 7 * 3.5 cm |
4. Setup Instructions
4.1. Charging the Mouse
Before first use, ensure the mouse is fully charged. Connect the provided USB charging cable to the mouse's charging port and to a USB power source (e.g., computer USB port, USB wall adapter). The mouse has a 500mAh rechargeable lithium battery and takes approximately 2 hours to fully charge, providing up to 150 hours of working time.

4.2. USB 2.4GHz Wireless Connection
- Locate the USB receiver stored in the bottom compartment of the mouse.
- Plug the USB receiver into an available USB port on your computer.
- Push the power switch at the bottom of the mouse to the "ON" position.
- Switch the mode button on the mouse to the 2.4G mode. The corresponding green light will flash briefly.
- Once connected, the green light will turn off, indicating the mouse is in normal operating mode.
- Move the mouse or press the left/right button to confirm functionality.

4.3. Bluetooth Connection (BT1 / BT2)
The HXSJ M103 supports two separate Bluetooth 5.1 connections (BT1 and BT2), allowing you to switch between two Bluetooth-enabled devices.
- Push the power switch at the bottom of the mouse to the "ON" position.
- Click the mouse's three-mode button to select either BT1 or BT2 mode. The corresponding blue light will flash, indicating it's in pairing mode.
- On your tablet, computer, or phone, open the "Bluetooth" settings interface.
- Search for and select "BT5.1Mouse" from the list of available devices to pair.
- After the device is successfully connected, the blue light will turn off, and the mouse will enter normal operating mode.
- Move the mouse or press the left/right button to confirm functionality.


5. Operating Instructions
5.1. DPI Adjustment
The mouse features three adjustable DPI levels: 800, 1200, and 1600. The default setting is 1200 DPI. To change the DPI, press the DPI button located on the top of the mouse. Each press will cycle through the available DPI settings, allowing you to adjust cursor sensitivity to your preference.

5.2. One-Button Desktop Feature
The mouse includes a dedicated one-button desktop feature, allowing you to quickly return to your desktop. This feature is supported only on Windows operating systems.
5.3. Silent Click Design
The HXSJ M103 is designed for quiet operation, featuring silent clicks that reduce noise in quiet environments like offices, dormitories, or libraries.

5.4. Power Display
The mouse features an intuitive power display, allowing you to monitor the remaining battery power. This helps in timely recharging and avoids unexpected power loss.

5.5. Three-Level Power Saving Mode
The mouse incorporates a smart power-saving system to extend battery life:
- First Sleep: After three seconds of inactivity, the mouse enters the first sleep level, indicated by continuous flashing lights.
- Secondary Sleep: After approximately 1 minute of inactivity, the mouse enters secondary sleep, with intermittent flashing lights.
- Third Sleep: After about 8 minutes of inactivity, the mouse enters the deepest sleep level, and all lights turn off.
To wake the mouse from any sleep mode, simply move it or press any button.
5.6. Product Demonstration Video
6. Maintenance
- Keep the mouse clean by wiping it with a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners.
- Do not expose the mouse to extreme temperatures, humidity, or direct sunlight.
- Avoid dropping or subjecting the mouse to strong impacts.
- When not in use for extended periods, turn off the mouse to conserve battery life.
- Store the USB receiver in its designated slot at the bottom of the mouse to prevent loss.
7. Troubleshooting
- Mouse not responding: Ensure the mouse is turned on and fully charged. Check if the USB receiver is properly plugged in (for 2.4GHz mode) or if Bluetooth is enabled and paired correctly (for BT modes). Try restarting your computer or device.
- Intermittent connection: Ensure the mouse is within the 15m wireless range. Avoid obstructions between the mouse and receiver/device. Check for potential interference from other wireless devices.
- Cursor movement is erratic: Clean the optical sensor at the bottom of the mouse. Ensure you are using the mouse on a suitable surface (not highly reflective or transparent). Adjust DPI settings if the cursor is too fast or too slow.
- One-button desktop not working: This feature is only supported on Windows systems. Ensure your operating system is Windows.
8. User Tips
No specific user tips were available from reviews or Q&A for this product at this time. However, general tips for wireless mice include:
- Always keep the mouse charged to avoid interruptions during use.
- Experiment with different DPI settings to find what works best for your tasks and screen resolution.
- Utilize the multi-mode connectivity to easily switch between your laptop, tablet, or other devices.
9. Warranty and Support
For warranty information and technical support, please refer to the contact details provided by your retailer or visit the official HXSJ website. Keep your purchase receipt as proof of purchase.





