G21 2.4GHz Fly Air Mouse LED Backlight Wireless Keyboard Remote Control with Gyroscope for Android TV Box / PC, Support Intelligent Voice

1. Transmission rate: 250Kbps
2. Operating frequency: 2400.0MHz-2483.5MHz
3. Function: HID compatible device, USB audio microphone device
4. Receive transmitter signal and data, support Windows, Android and iOS systems
5. Plug and play, easy to use
6. Transmission distance: 10 meters
7. Use battery: AAA*2 (not included)
8. Material: plastic, silicone
9. Size: 162x42x17.6mm