Feature:1. With backlight, it can be used at night.2. Perfect entertainment control function, portable, elegant choice.3. Enjoy PC multimedia entertainment at home, use it with for set?top box, intelligent TV, share large TV and projector screen.4. Larger touchpad, dual mouse left and right button design, more convenient operation.5. Perfect keyboard key combination, convenient and efficient meeting, presentation and speech.6. Suitable for Google TV, high definition player, set?top box, for TV box, for IOS and for Web TV.Specification:Condition: 100% brand newItem type: Mini Wireless KeyboardMaterial: ABSColor: blackWeight: Approx. 140g Working voltage: 3.3 VWorking distance: about 15mTransmitting power: +5dbOperating current: <50mACharging current: <300mASleep current: <1mALight effect: backlightPower supply: lithium batteryBattery model: BL-5C 1020MahButton life:> 100,000 timesTransmission length: about 10 metersStandby time (days):> 20 daysPower switch: turn on/off the deviceSupported operating system: for Windows XP / for Vista / 7 / for OS X / for Linux / for AndroidKeyboard layout: for QWERTY (English) can be customized for different native languages. Function keys: UDLR (up, down, left, right), volume to increase and decrease, return, main menu, etc.Features: wireless (RF 2.4G) connection, smart, portable sizeIt can be connected to desktop, notebook, car TV, for HTPC, large screen TV, intelligent TV, hard disk player, internet player, for X-BOX 360, for PS3System Requirements:1. for Windows 2000/ for Windows XP/ for Windows Vista, for Windows