Features: brand new and high quality Wireless mouse 2.4G Wireless Connection Range: Radius 3m. Mini QWERTY 92-key keyboard multimedia control keys and PC gaming control keys. The Air mouse cannot use on LG and Samsung TV( Smart TV)/Xiao mi box. Fn+F2: Open or Close Keyboard (Backlight/ Backlit) or Change Backlight colorFn+ Space: Speed up the mouse moveFn+ F11: Full screen to browserFn+F1(RF): Activation keys. Support System:Windows 2000.XP. Vista.Windows CE.Windows 7 AndroidMac OS X. Android 3.0Linux (Debian-3.1. Redhat-9.0 Ubuntu-8.10 Fedora-7.0 tested). Specifications: Item Name: Wireless Keyboard Material: ABS Battery: Lithium Battery Working Range: Max. 10m (Barrier Free) Transmitting Power: Max. +5dB Working Voltage: 3.3V Working Current: <50mA Sleep Current: <1mA Size: approx. 14.6x9.6cm/5.75x3.78in Features: Portable, with Touchpad, Ergonomic Package Includes: 1 x Wireless keyboard 1 x Wireless receiver 1 x User manual 1 x Rechargeable lithium battery (include) 1 x USB charge cable(only can use slow charger,can not use fast charge) note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.