1,Celulares Smartphones(Through OTG line connection) . Wireless(RF 2.4G) connection, smart & portable size 2,To enjoy PC multi-media entertainment . Work with Android box , Smart TV 3,To share large TV and Projector screen. Perfect control entertainment features 4,Portable, elegant & lifestyle choice. Air mouse with natural hand movements. 5,The perfect keyboard Press combination. Convenient & efficient for conference, Presentation & lecturing Product name: W1 remote control Radiofrequency:2.4G Hz Standby power consumption: 25uA Number of keys: 57 keys G-Sensor:Yes Gyroscope:Yes Battery Type:300mAh(Built-in lithium battery) Buttons lifespan: 100,0000 times Transmission length:10 meters OS suppported: XP/Vista/7/ /Linux/Android IR Learning Function:IR buttons on remote control for Android box, Set-top box, and TV Keyboard layout:QWERTY (English) Can be customized to different national languages Function keys:UDLR(Up, Down, Left,Right), the volume to add and subtract, returns, the main