1. Product Overview
The E-YOOSO X-39PRO is a wired gaming mouse specifically engineered for esports and high-performance operation. It features a high-precision SG8960 optical sensor, an ergonomic design, and customizable functions to enhance your gaming experience.

2. Specifications
| Feature | Detail |
|---|---|
| Model | X-39PRO |
| Sensor | Newly Upgraded SG8960 Optical Sensor |
| Tracking Speed | 300 IPS |
| Acceleration | 80G |
| Connectivity | Wired (USB 2.0/3.0) |
| Hand Orientation | Right |
| Power Type | USB Plug-in (No Battery Included) |
| Material | Plastic |
| Operating Voltage | 36V and below |
| Dimensions (Approx.) | 12cm (Length) x 8cm (Height) |
| Certifications | CE, FCC, RoHS |


3. Setup
- Connect the Mouse: Plug the USB connector of the E-YOOSO X-39PRO mouse into an available USB 2.0 or USB 3.0 port on your computer.
- Automatic Recognition: The operating system (Windows XP, Vista, Win7, and compatible desktop/laptop computers) will automatically detect and install the necessary drivers for the mouse. No manual driver installation is typically required.
4. Operating Instructions
Basic Button Functions:
- Left Click: Primary action button.
- Right Click: Secondary action button, typically for context menus.
- Scroll Wheel: Used for scrolling through documents or web pages.
- Middle Click (Press Scroll Wheel): Often used for opening links in new tabs or other application-specific functions.
- Forward/Back Buttons (Side Keys): Located on the side of the mouse, these buttons are typically used for navigation in web browsers or file explorers.
Advanced Customization:
The X-39PRO features professional, multi-functional configuration software that allows for extensive customization. This software is designed to be easy to install, intuitive, and practical, enabling users to save their personalized settings.
- Macro Definition: Create and assign complex macros to buttons for in-game actions or productivity tasks.
- Adjustable Sensitivity (DPI): Fine-tune the mouse's sensitivity to match your preference and game requirements.
- Adjustable Reporting Frequency (Polling Rate): Modify the polling rate to ensure optimal responsiveness. Options typically include 125Hz, 250Hz, 500Hz, and 1000Hz.
- Configuration File Loading: Load and save custom configuration profiles for different games or applications.


5. Ergonomics and Weight Adjustment
The mouse features an ergonomic design for a comfortable grip and flexible operation, crucial for extended gaming sessions.

For personalized feel and control, the X-39PRO includes a weight adjustment system located on the underside of the mouse. You can add or remove weights to achieve your preferred balance and heft.

6. 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.
- Sensor Care: Keep the optical sensor area on the bottom of the mouse clean and free from dust or debris to ensure accurate tracking.
- Cable Management: Avoid sharp bends or excessive pulling on the USB cable to prevent damage.
- Storage: When not in use, store the mouse in a clean, dry environment away from extreme temperatures.
7. Troubleshooting
- Mouse Not Responding:
- Ensure the USB cable is securely plugged into a working USB port on your computer.
- Try plugging the mouse into a different USB port.
- Restart your computer.
- Inaccurate Tracking/Jittery Cursor:
- Clean the optical sensor on the bottom of the mouse.
- Ensure you are using the mouse on a suitable surface (e.g., a mouse pad).
- Check the mouse settings in your computer's operating system or the E-YOOSO software for sensitivity adjustments.
- Side Buttons Not Working:
- Verify that the E-YOOSO configuration software is installed and running.
- Check the button assignments within the software to ensure they are correctly configured.
8. Warranty and Support
For detailed warranty information and further support, please refer to the official user manual PDF or contact E-YOOSO customer service.
A comprehensive user manual in PDF format is available for download: E-YOOSO X-39PRO User Manual (PDF)





