[More Than A Remote Control] - Full qwerty keyboard and sensitive trackball combo,have a comprehensive set buttons for PC features, F11-F12, media control section, left and right mouse button etc. Works great from the sofa for browsing internet streaming services, social networking, web browsing, gaming. [Easy to Use] - It is 100% plug-n-play, just insert the dongle, and everything works. Ideal for devices such as for PC, for Mac, for Xbox 360, for Xbox One, for PS3, for PS4, for Google Android TV Box, HTPC, IPTV etc. [Perfect Size] - Appropriate keyboard fits great in both hands,the keys are a lot easier to type. There is a click button on each corner for your index finger like game controller. Designed not only for media centre PC but also for work and play games. [X-Structure] - Comfortable and soft feel buttons have nice tactile feedback,not fragile after long type. [ON/off power switch] - When you stop using it, keyboard can be powered off to save battery power. Using: Switch to bluetooth 1: Quick clicks Fn +1 (one second) Switchto bluetooth 2: Quick clicks Fn+2(one second) Switch to 2.4usb: Quick clicks Fn+3 (one second) Adjust the mouse cpi value Fn+f1/f2/f3 Power Supply:2 x AAA battery (Not included batteries) Color:As Shown Material:ABS Package Contents: 1 * Wireless Bluetooth Mechanical Keyboard for Computers