Wireless keyboard with air mouse is small and portable, it is widely used for:Enhanced tool for teaching, speech, presentation, multi-media home entertainmentExternal keyboard for car PC, Android PC, smart TV remoteRemote of other home electric appliance, such as DVD player, CD player, TV, withthe feature of IR learning, Wireless Keyboard can quickly learn original code fromother home electric appliance remoteApplication :* Enhanced tool for teaching, speech, presentation, multi-media home entertainment* External keyboard for tablet PC, car PC, Android PC, smart TV remote* Remote of other home electric appliance, such as DVD player, CD player, TV, with the feature of IR learning, Voice Wireless Keyboard can quickly learn original code from other home electric appliance remoteSpecifications:Max distance:10mWireless connectionPower Supply: DC 3V(1.5V 3A Battery x2) or DC 5V/300mA(Rechargeable Lithium-ion battery)Physical Parameter:Size: 155 x 46 x 15mmWeight: 90gFeatures:* Portable and handheld size* Full QWERTY keyboard* Ultra sensitive motion 6 axial Gyro sensor for mouse* Quick learning IR codes from original remotes* Double-faced button design* Supports multi language Supporting System:* Windows* Linux/Mac OS* Android/Google/Smart TV OS