Blue 2.4g 10m USB Wireless Optical Mouse for Pc/laptop This wireless mouse uses high-definition optical technology and a micro-receiver to give you an easy, effective way to increase your productivity 2.4Ghz digital wireless transmission to provide furthest reach 10 meters from the operation 16 automatically switch the work of up to 60,000 channels and the sercurity group all put an end to foreign interference coding Nano very fine receiver,Plug forgotten,without connecting to the Code of intelligent technology Mouse built-in memeory,the repalcement of the batteries do not have to re-code Paragraph 4 of the design, two AAA alkline batteries provide up to three months of battery life human engineering design, the right hand application 800 cpi/1600dpi adjust the speed of cursor Containing micro-receiver design Low-Vottage alarm function Plug & Play Features: Size: Mini size for Laptop Connectivity Technology : 2.4Ghz Wireless Wireless Operating Distance : 10m Host Interface : USB 2.0/1.1 Battery Size Support : 2 x AAA Wireless Mini-receiver: Plug it in for flawless wireless operation; eliminate unsightly cable clutter Forward/Back Buttons: Accelerate browsing of Web pages and documents Longer Battery Life: Extend it with auto standby, on/off button and indicator light High-definition Optical Engine: Experience superior tracking with 800 to 1600 dpi optical engine by CPI switch Compatible: Windows 98/2000/Me/XP/VISTA/Win7 or MacOS 10.2.8 or Higher Color : Blue Package Included: 1 x Wireless Opitical