SANOXY 2.4G USB Wireless Optical Mouse Cordless Mice With Nano Receiver (WHITE) SANOXY Compact Ergonomic Cordless USB Receiver Wireless 2.4G Optical Mouse -Wireless mouse with USB receiver. USB receiver stored inside the mouse when not in use. Ergonomic Design, high accuracy, high quality, modern design; Ideal for game, office and home use; A wireless one can minimize the inconvenience of a wired mouse Supports System Win xp,Win 2000,Win vista,Mac OS X 2.4GHz wireless transmission up to 10 meters operating distance.