propertieshigh-quality, durable mechanical key switches with a lifetime of 50 million clicksn-key rolloverrgb backlight with 20 different modesgame software with macro and profile editordouble injection caps guarantee lifetime resistance to letter wiping12 multimedia keysremovable under-arm supportmetal bodyspecificationskey mechanism: mechanical switches (kailh brown)key life: 50 million clicksbacklight color: rgb (16m colors)switch path length: 4.0mmthe power required to activate the key: 50gswitch activation point: 1.2mmkeyboard dimensions: 449 x 210 x 36 mmkeyboard weight: 885ginterface: usb 2.0number of keys: 104cable length: 1.6msoftware: yeslocation: us layoutsystem requirements: windows xp/vista/7/8/10