This is a four-in-one smart combination that supports air mouse, wireless keyboard, infrared learning remote control and somatosensory games.2.4G wireless connection through USB receiver, plug and play, enjoy 10 meters long-distance wireless control.45-key mini keyboard, the curved shape design provides the perfect touch, the keys slide comfortably, and the operation is simple.Compatible with Android, Windows, Linux and Mac OS operating systems.Suitable for HTPC, Smart TV, Android TV BOX, All-in-One, Laptop, Projector, etc.The compact design makes it easy to carry and fits perfectly in a pocket or case or handbag.Wireless Modulation Method: GFSKModulation Frequency: 2.4~2.4835GHzWorking Temperature: -20~65Battery Type: 300mAh/3.7V Lithium BatteryPower Consumption of The Whole Machine: 10mCharging Port: Micro USBSize: 15.8 x 5.5 x 1.65cmColor: BlackPackage List:1 x Wireless Air Mouse