Full Keyboard and TV Remote - Motion Sensor Allows Mouse to be Controlled by Waving the Remote - Frequency Range: 2.4~2.4835GHz - Upgradeable Function for Motion Gaming - 2.4G Transmission up to 5m - Effective Batter Saver, turn into Sleep Mode for 20 Seconds, Inaction <6uA - Plug-and-play Function, Compatible with USB1.1 and USB2.0<6uA Support system: - Windows 2000. XP, Vista. Windows CE, Windows 7 - Linux (Debian-3.1. Redhat-9.0 Ubuntu-8.10 Fedora-7.0 tested) - Android 4.0 Feature: - Control Transmission: 2.4G RF Radio Frequency Technology - Keys Quantity: 81 Keys - Battery Type: AAAx2 (No include battery) - Material: Plastic + Silicone (Backlight / Backlit) - Consumpation: <10MA -Size: 172*52*19mm - Sensor: 3 Axis Gyroscope+ 3 Axis Accelerator - Use Distance: > 5 M - Color: Black Package Included: - 1 x English Keyboard(No include battery) - 1 x USB Wireless Receiver - 1 x USB Charging Cable - 1 x User Manual.