1,Voice Microphone. for Celulares Smartphones(Through OTG line connection) 2, Wireless(RF 2.4G) connection, smart & portable size. To enjoy PC multi-media entertainment 3,Work with Android box , Smart TV. To share large TV and Projector screen. Perfect control entertainment features. Portable, elegant & lifestyle choice 4,Air mouse with natural hand movements.. The perfect keyboard Press combination 5,Convenient & efficient for conference, Presentation & lecturing Product name: remote control Radiofrequency:2.4G Hz G-Sensor:Yes Gyroscope:Yes Battery Type:AAAx2 battery(Without battery) Buttons lifespan: 100,0000 times Transmission length:10 meters OS suppported: XP/Vista/7/ /Linux/Android Function keys:UDLR(Up, Down, Left,Right), the volume to add and subtract, returns, the main menu etc size:160x45x20mm Material:ABS+silicone colour:Black Package Contents: 1 x G50S remote control 1 x USB receiver Only the above package content, other products are not included. Note: Light and different