1. 【Wide Compatibility】: Support for Windows / Android / Mac OS / Linux system, suitable for devices with USB port, such as Smart TV (except for Sony, Samsung, LG), Android TV Box, Windows TV Box, PC, HTPC, Formuler Box, etc. Packs a wireless keyboard, remote control, wireless mouse and IR learning function in one. 2. 【With rechargeable lithium battery】: practical and environmentally friendly, easy to carry. equipped with a USB charging cable. Enjoy the full size wireless keyboard, a skin-friendly, comfortable grip and type the instant message without leaving the couch. 3. 【Wide range of applications】: easy to use, not only for remoting TV, home computers, but also for presentations and workshops. 4. 【Wireless mouse function】: Full-fledged layout, all important media player buttons (play, pause, loud, quiet etc.) can be reached at the push of a button. 5. 【Highly sensitive touchpad】: The touchpad has a high sensitivity and can be dragged with your fingers. Realize the functions of mouse click, double click, scrolling and enlarging and reducing of images.