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 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. 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 Ergonomics of air mouse will replace stationary computer mouse and infrared button remote control giving you the convenience to manage your computer and television set from a position which is most comfortable for you Specifications: Voltage: 3.0V Working Current: <15mA Standby Current: <20uA Frequency: 2400-2483.5GHz Distance: >10M Weight: 50g Power supply: 2 x AAA batteries (not included) Function: LED White Backlight, Voice Search, Built-in 6-axis gyroscope sensor, Built-in Fidelity Microphone Note: This voice remote control voice function can't work with TX3 mini, X96W (S905W), X92, X98 PRO, Magicsee N5 tv box and Fire TV and Fire TV Stick, Xiaomi TV and Smart TV. It can work with H96 MAX+, T9, V1, X96MAX, etc TV box. Only power button can be programmed for IR learning. 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 "goo... assitant".