NOTE 1: This product has 33 buttons can be used for IR learning.(except "TV" button) NOTE 2: This air mouse may be not compatible with some Smart TV, because the third-party USB dongle is blocked.You need to confirm your smart TV can recognize third-party USB dongle and support other remote control except its original remote. If you use it on android tv box. Please install "google assitant" 1.This is a wireless air mouse with built-in axis gyroscope and gravity acceleration sensor and fidelity voice input; it can perform the functions of a traditional remote control, computer mouse, and gaming motion controller on android platform. Plug and play micro receiver is compatible with personal computer, projector, TV box, Home Theater Personal Computer etc. 2.Holding air mouse and rotating your wrist is converted into a movement of a cursor across the screen and it allows you to control your computer, projector and other entertainment equipment from a distance. 3.Ergonomics of air mouse will replace stationary computer mouse and infrared button remote control giving you convenience to manage your computer and television set from a position which is most comfortable for you.