1. Description: This is a air mouse with built-in axis gyroscope and acceleration sensor and voice input;it can perform the function 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 etc. 2. Product features: 2.4G Wireless, USB receiver, IR Learning,Voice input; 360 degree Non-directional remote control; 3. Specification: Transmission and control: 2.4G RF wireless radio frequency technique. The sensor: no Gyro; Number of keys: 17 keys. Remote control distance: Over 10 meters. The battery type: AAA x 2 batteries (Not included). 4. Operation : (1). voice keys only support recording function, does not support search, you only need to press it, it will be recorded on , sent to the other side, the other will be to hear the sound of it. (2). this support 2.4G wireless, so you need to plug in the air mouse USB adapter, in order to receive the 10m signal. type: no Gyro colour: black Material: ABS Size: 15x4.3x1.8cm Package Contents: 1 x Voice Assistant Remote Control Only the above package content, other products are not included. Note: Light 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.