Description: Comfortable: With an for ergonomic design, this wireless mouse can provide a good user experience and can help to reduce hand fatigue. Wireless: This optical mouse features a 2.4Ghz connection that is stable and fast and fits for almost any computer. Adjustable: This wireless mouse allows you to adjust the DPI from 800 to 1600, 3 gears, and can meet your different needs. Easy to use: With a USB receiver, you can easily connect this wireless optical mouse to a computer, and can start to use it after connecting. Fits occasion: This wireless mouse is suitable for playing video games, web browsing, working, and so on. Specification: Material: ABS. Color: Black grey, white silver. Frequency: 2.4Ghz. Transmission range: Approx. 15m/49.21ft. DPI: 800, 1200, 1600. Key amount: 4. Key lifespan: 3 million times. Battery: 1 x AAA battery(Not included). Support OS: Replacement for Windows 2000/WIN XP/8/10. Size(LxWxH): Approx. 97x59x29mm/3.82x2.32x1.14 inch. Note: There might be a bit of color distortions due to different resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Mouse(with 1 Piece USB Receiver, 1 Piece User Manual).