1. Introduction
Thank you for choosing the ASUS WT425 Wireless Mouse. This manual provides detailed instructions for setting up, operating, and maintaining your new wireless mouse. Please read this manual thoroughly before use to ensure optimal performance and longevity of your device.
2. Package Contents
Ensure all items are present in your package:
- ASUS WT425 Wireless Mouse
- USB Receiver
- User Manual (this document)
- AAA Batteries (2x) (May be pre-installed or included separately)
3. Product Overview
Familiarize yourself with the components of your ASUS WT425 Wireless Mouse.

Figure 3.1: Top View of ASUS WT425 Wireless Mouse
This image displays the top surface of the ASUS WT425 mouse, highlighting its ergonomic shape, the central scroll wheel, and the DPI adjustment button located just below the scroll wheel. The ASUS logo is visible on the palm rest area.

Figure 3.2: Angled View with Side Buttons
An angled perspective of the mouse, showcasing its contoured design. The blue top shell transitions into black side grips, where two programmable thumb buttons are visible on the left side, designed for easy access during use.

Figure 3.3: Side Profile of ASUS WT425 Wireless Mouse
This image provides a clear side profile of the mouse, emphasizing its ergonomic curvature designed to fit comfortably in the hand. The smooth transition from the blue top to the black base is visible.
- Left Click Button: Standard left mouse button function.
- Right Click Button: Standard right mouse button function.
- Scroll Wheel: For vertical scrolling and middle-click function.
- DPI Adjustment Button: Cycles through DPI settings (1000/1600 dpi).
- Forward Button: (Side button) Typically for navigating forward in web browsers or file explorers.
- Back Button: (Side button) Typically for navigating backward in web browsers or file explorers.
- Optical Sensor: Located on the underside, for tracking movement.
- Battery Compartment: Located on the underside, for AAA batteries.
- USB Receiver Storage: Compartment for storing the USB receiver when not in use.
- Power Switch: On/Off switch on the underside of the mouse.
4. Setup Guide
4.1. Battery Installation
- Locate the battery compartment cover on the underside of the mouse.
- Slide or lift the cover to open the compartment.
- Insert two (2) AAA batteries, ensuring correct polarity (+/-).
- Replace the battery compartment cover.
4.2. Connecting the USB Receiver
- Remove the USB receiver from its storage slot, usually located inside the battery compartment or near it.
- Plug the USB receiver into an available USB port on your computer.
- Turn on the mouse using the power switch on its underside.
- Your computer should automatically detect and install the necessary drivers. This may take a few moments.
- Once installed, the mouse is ready for use.
5. Operating Instructions
5.1. Basic Functions
- Movement: Move the mouse across a flat surface to control the cursor on your screen.
- Left Click: Press the left button to select items, open links, or activate functions.
- Right Click: Press the right button to open context menus or access additional options.
- Scroll Wheel: Roll the scroll wheel up or down to navigate through documents or web pages. Press the scroll wheel for middle-click functionality (e.g., opening links in new tabs).
- Side Buttons: Use the forward and back buttons for quick navigation in supported applications.
5.2. Adjusting DPI (Sensitivity)
The ASUS WT425 mouse features adjustable DPI settings, allowing you to change cursor sensitivity on the fly. This mouse supports 1000 DPI and 1600 DPI resolutions.
- Locate the DPI Adjustment Button (refer to Figure 3.1).
- Press the button once to switch between the available DPI settings.
- Observe the change in cursor speed to determine your preferred setting.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the mouse. For stubborn dirt, slightly dampen the cloth with water or a mild cleaning solution. Avoid harsh chemicals.
- Battery Replacement: Replace batteries when the mouse performance degrades or if it stops responding. Always use fresh AAA batteries.
- Storage: When not in use for extended periods, turn off the mouse using the power switch to conserve battery life. Store the USB receiver in its designated slot to prevent loss.
- Environment: Avoid exposing the mouse to extreme temperatures, direct sunlight, or excessive moisture.
7. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Mouse not responding |
|
| Cursor movement is erratic or jumpy |
|
| Wireless connection issues |
|
8. Specifications
| Feature | Detail |
|---|---|
| Brand | ASUS |
| Model Name | WT425 |
| Model Number | 90XB0280-BMU040 |
| Connectivity Technology | Wireless (USB Receiver) |
| Movement Detection Technology | Optical |
| DPI Resolution | 1000 / 1600 dpi (Adjustable) |
| Color | Blue |
| Operating System Compatibility | Windows, macOS |
| Power Source | Battery Powered |
| Batteries Required | 2 x AAA batteries |
| Item Weight | 2.26 ounces (approx. 64g) |
| Product Dimensions (LxWxH) | 0.58 x 4.21 x 0.24 inches (approx. 1.47 x 10.69 x 0.61 cm) |
9. Warranty and Support
9.1. Manufacturer's Warranty
The ASUS WT425 Wireless Mouse comes with a 12-month manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
The warranty does not cover:
- Damage caused by accident, abuse, misuse, flood, fire, earthquake, or other external causes.
- Damage caused by operating the product outside the permitted or intended uses described by ASUS.
- Damage caused by service performed by anyone who is not an authorized service provider of ASUS.
- Products or parts that have been modified to alter functionality or capability without the written permission of ASUS.
9.2. Customer Support
For technical support, warranty inquiries, or further assistance, please visit the official ASUS support website or contact your local ASUS customer service center. You can find contact information and support resources at:
Please have your product model (WT425) and serial number ready when contacting support.





