Ⅰ. 2.4GHz Mini Keyboard Touchpad Mouse, Mini Wireless Keyboard with Touchpad and Multimedia Keys for Android TV Box Smart TV HTPC PS3 Smartphone Tablet Mac Linux Windows OS Ⅱ. Supported System: Windows 11, 10, XP, Linux (Debian-3.1, Redhat-9.0 Ubuntu-8.10 Fedora-7.0 tested), Android OS (with standard USB interface) Ⅲ. Compatible with: PCs, laptops, smart TVs, Xbox, PS4, Raspberry Pi Ⅳ. Mini wireless keyboard with touchpad, 2.4G wireless connection can easily connect and control smart devices, allows operation up to 49 feet (15 meters) away. More convenient to carry and use at home and office. Ⅴ. It has 7 colors RGB backlight, just press Fn+F2 and you can easily adjust the color. Rainbow romantic backlight colors, you can watch movies with family or friends at night, no need to turn on the light. Ⅵ. This keyboard is built-in rechargeable polymer lithium-ion battery, it has automatic sleep and wake-up function, making the battery more durable and safe. You no longer have to worry about changing the battery.