1. Bluetooth remote controller gamepad for VR glasses to play 3D games or watch 3D movies. 2. The bluetooth version is bluetooth 3.0, and the bluetooth distance is about 10 mete 3. Powered by 2 AAA batteries, please note that baterries are not included, you need to order them separately. 4. Carrier frequency is 2.4-2.483GHz. 5. Working temperature is -10 degree to 70 degree.
