Mouse is adopted infrared AVL thchnology, more accurate, more fluent. Mouse has strong adaptive surface ability, which could work fine at smooth surface, etc Compact size & fashionable design.Green keyboard protective film, let you work in a clean environment Ultra-thin, it looks very exquisite on the desktop. keyboard can be auto into sleep when idle. Uses the advanced intelligence wireless network protocol, the keyboard & the mouse are not disturbed mutually.