[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 , 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 , for , for , for , for , for Android TV Box, HTPC, 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 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 Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.