Compatible with Android TV Box, Raspberry Pi, HTPC, XBMC, PC, laptop without requiring a full-sized keyboard and mouse to remain connected. | Advanced RF 2.4G wireless technology that delivers anti-interference and reliable connection.with USB receiver plug and play. enjoy up to 30Ft operating distance. | 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. | Support AAA battery and without backlight, easy to install and change (battery not provided in package). | Sold and serviced by iPazzPort, we promise 100% satisfactory after-sales service, reply quickly within 24 hours, wireless handheld keyboards with One Year Warranty. | Tip: Tap the touchpad lightly for better sensitivity. Convenient Keys: 1. Dedicated Return Key. 2. Extra left mouse key. 3. Side Scroll Up and Down Keys