The KM5221W wireless keyboard and mouse set is a practical solution for both office and home use. Connecting via a stable 2.4 GHz radio frequency, it offers convenience and freedom of use. Both devices feature an ergonomic design and lightweight construction for comfortable operation. Compatible with multiple operating systems, including Android, Linux, Mac OS, and Windows, this set delivers universal versatility. Powered by AA and AAA batteries, it ensures long-lasting performance without frequent battery changes.