Features: BT Air Fly mouse: BT Air Fly mouse + IR remote learning mouse. Compatible with almost all android device( which have BT input): Android TV Box, Mini PC, Windows, HTPC and PCTV. IR Learning: The Air fly mouse remote Powe Key can programs. Convenience to control all your devices in one. Easy to use: No USB receiver is required. More faster stable than 2.4Gz. This mini wireless keyboard is connected by a stable powerful BT 5.0 technology, the transmission distance can up to 10 meters. Built-in 6-Axis Gyroscope: This air remote mouse can sense the change of the direction and speed so you can move directly in the air to control it. Powered by 2xAAA battery(Not included), Portable and tiny, and you can carry with travel. Specification: Type: Remote Control Color: Black Transmission method: BT 5.0 Material: ABS+Silicone Battery Type: AAA*2 (Not included) Control distance: 10m The key number: 17 keys Sensor: 6-Axis Gyroscope Working voltage: 3V Working Current: