Feature:1. With Touchpad: Features a touchpad, built in multi touch navigation trackpad and familiar keyboard layout. A touchpad can take the place of a mouse for directional control for easy web browsing.2. Scissor Foot Key Design: The keyboard adopts scissor foot key design, the keys are mute and feel comfortable.3. Characteristics: Equipped with 78 keys and a touchpad, it is full featured, compact, ultra thin, space saving, portable, and quiet.4. Automatic Sleep Function: After 20 seconds of inactivity, the wireless keyboard will enter a light sleep state. It will automatically enter deep sleep mode if not used for 15 minutes. Click any button to activate it.5. Support System: Support for Windows, for Android , for OS X, support for smartphones and tablets.Specification:Item Type: Wireless KeyboardMaterial: ABSWorking Distance: Up to 10 MetersModulation System: GFSKWorking Voltage: 1.8-3.0vKeyboard Working Current: 5mABackup Current: 0.3-1.5mASleep Current: <0.2mAKey Force: 6010gButton Life: 3 Million TimesWorking Temperature: -1055Battery Specifications: 2 AAA Batteries (not Included).Package List:1 xWireless Keyboard1 x USB Receiver1 x User Manual