iPazzPort Wireless Mini Handheld Keyboard with Touchpad Mouse Combo for Android TV Box and Raspberry Pi 3 and HTPC and XBMC KP-810-19S - Black Compatible with Android TV Box, Raspberry Pi, HTPC, XBMC, PC, laptop. No need to keep a full sized keyboard and mouse connected Connects to your device via included 2.4 Ghz USB receiver. Stored inside the back cover of the keyboard, simply insert the USB receiver into an available USB slot on your device for wireless connection Support AAA battery,easy to install and change(battery not provided in package) Use it to easily input text, browse the internet and play games with a unified keyboard and remote. You never have to leave the couch Sold and serviced by iPazzPort, the leading manufacturer of low cost, high quality wireless handheld keyboards with One Year Warranty