Specifications: Remote control with mouse, keyboard and motion detection function. This air mouse is controlled by moving your hands. Upgradeable motion sensing functions. 2.4G wireless transmission up to 5m. Plug and play, wide compatibility. Item Name: Wireless Keyboard Material: ABS Language: English Battery: Lithium Battery (Included) Supported Systems: for Windows 2000/XP/Vista, for Windows CE/Windows 7, for Android, for Linux (for Debian 3.1.Redhat 9.0, for Ubuntu 8.10, for Fedora 7.0) Features: Portable, Rechargeable, Wireless Size: 15.8cm x 5.5cm x 1.65cm/6.22" x 2.17" x 0.65" (Approx.) Notes: The remote control does not work with for Samsung & for LG smart TVs. The remote control cannot turn on or off set-top boxes. Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wireless Keyboard 1 x Charging Cable 1 x Receiver 1 x User Manual