Proster Mini Wireless Keyboard 2.4G Mini Keyboard with Touchpad Mouse Multifunctional Wireless Keyboards for Google for Android TV Box Raspberry Pi HTPC Google TV Box IPTV 2.4 wireless Technology Adopted 2.4Ghz wireless transmission technology, this mini wireless keyboard features stable signal transmission, sensitive and active at the range of 10 meters. It can connect desktop, laptop, PC, mobile vehicle TV, HTPC, large screen TV, smart TV, Android TV Box, X-Box, etc. Ergonomic Design Palm-size, streamline design, QWERTY standard keyboard with 72 keys, combined with touch-pad mouse function, this wireless keyboard is the perfect companion of home entertainment. Rechargeable Lithium Battery Powered by 600mAh rechargeable lithium battery, it supports 180 hours continuous use. And the device will automatically enter into sleeping mode to save energy when not in use. Wide Compatibility Compatible with Windows, Linux, Android, Xbox360/PS3, Mac OS system. Warranty Every Prozor Product can be provided 45 days money-back and 12-month, worry-free Guarantee!