2.4G & BT5.0 Wireless Connection:2.4G wireless connection via USB receiver, plug and play, enjoy long-range wireless control up to 10 meters. Disconnect the USB receiver to use BT mode. 6- Gyroscope:The 6- sensor enables it to sense the change in direction and speed. Just move it in the air to control the devices. Voice Control: button on the remote control to search for the channel you want to see, easy and convenient to use. Backlight Design:White color backlight enables to conveniently use the remote control in the dark environment, with one key switch on and off. Widely Used:Suitable for Smart TV, Android TV Box, PC, Laptop, projector and so on. Just sit back on the couch and enjoy. Model Number: G20S Pro Transmission & Control: 2.4GHz& BT5.0 wireless Remote Control Distance: 10m Amount of keys: 30 keys Power Supply: 2 x AAA batteries (NOT included) Working Current:Less than 15mA Standby Current: Less than 20uA Colour:black Material:plastic Package Contents: 2 x Remote Control for Android TV Only the above package content, other products are not included. Note: Light reflection 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.