Features: 1.The mouse has two modes of optical mouse and free-moving mouse, which are suitable for different work requirements. 2.The wireless mouse is equipped with a 2.4G USB receiver, supports plug?and?play, and is not restricted in use. 3.The mouse is made of ABS material, with high surface hardness, light and glossy, easy to clean. 4.With ergonomic shape design, the palm can be better held and the operation is more flexible. 5.The wireless mouse is suitable for a variety of systems, and can be used for PCs, TVs, set-top boxes, etc. specification:Item Type: Wireless Mouse CPI Adjustment: 500/1000/1500/1750 Button Life: 500,000 times Power Consumption: 3.0V 10mA RF Frequency: 2402MHZ-24080MHZ Battery: 2AAA battery (not included) Material: ABS Application: PC, TV, set-top box, etc. Support for Windows 2000/XP/Vista/7/Android/OS X, etc. Operating: Plug and play Effective Transmission Distance: Approx. 10m / 32.8ft PackageList:1 x Wireless Mouse 1 x 2.4G Receiver 1 x User Manual