type: Wired Weight:48G Optical Resolution: 1200DPI Portable and weight light, very convenient to carry and store Sensitive buttons, long service life, over 5 million clicks, the normal work in harsh environments With 2 Keys Suitable for game enthusiasts, fashionable young, commercial office crowd, long time computer workers Also it use for home, office. Easy and convenient to use The length of the line: Approx: 1.1m Plug and play Size: Approx: 98x55x27mm Ergonomic design, makes you feel natural and comfortable, long game will not feel tired 1 x Compatible with operating systems Window 7，Window , Window XP, Mac iOS or latest Interface: USB With 2 Keys Portable And Weight Light, Very Convenient To Carry And Store Easy And Convenient To Use Plug And Play Sensitive Buttons, Long Service Life, Over 5 Million Clicks, The Normal Work In Harsh Environments