1、With backlight, it can be used at night. 2、Great entertainment control function, portable, elegant choice. 3、Enjoy PC multimedia entertainment at home, use it with for Android 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、Keyboard key combination, convenient and efficient meeting, presentation and speech. 6、Suitable for high definition player, set‑top box, for Android TV box, for Web TV. Item type: Mini Wireless Keyboard Material: ABS Color: black Weight: Approx. 140g Working voltage: 3.3 V Working distance: about 15m Transmitting power: +5db Operating current: <50mA Charging current: <300mA Sleep current: <1mA Light effect: backlight Power supply: li battery Battery model: BL-5C 1020Mah Button life:> 100,000 times Transmission length: about 10 meters Standby time (days):> 20 days Power switch: turn on/off the device Supported operating system: for Win Vista / 7 / for OS X / for Linux / for Android Keyboard 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 size It 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 PS3 System Requirements: 1. for Win 2000/ for Win Vista, for Win CE, for Win 7 2. for Linux(for Debian-3.1, for Redhat-9.0 for Ubuntu-8.10 for Fedora-7.0 tested) 3. for Android Features: 1.92 keys (74 standard keys + 18 media keys) 2. Built-in 2.4G wireless receiver 3. Adjustable for DPI 4. Page up and down function keys 5. Left and right mouse function keys High sensitivity touching template, template for DPI adjustable function touching Mini for QWERTY 92-key keyboard multimedia control keys and PC game control keys Automatic sleep/wake mode Products with backlight Fn + F2: Open or close the keyboard (backlight/backlight) Fn + space bar: speed up the mouse movement Fn + F11: Full screen browser Fn + F1 (RF): activation key Ergonomic handheld design is easy to carry and operate 1 x Wireless Keyboard 1 x Data cable 1 x Bluetooth receiver 1 x Instruction