... 3:OEM services 4:CE,ROHS,FCC Wireless mouse Products Descriptions 1. 2.4G corresponding with ISM(industrial, medical, industry)frequency ... auto dormancy function, unplug receiver or shutdown, etc, the mouse, keyboard, can get into the deep dormancyquickly ang save batteries well ... . 5. Receiver can automaticly adopt the mouse and keyboard, plug and play 6. MINI inside-type inside ...