AHAOMG(TM) 3D Wireless Optical 1600dpi Car Mouse Mice for PC Notebook 2.4G Hz Free moving in 10 meters 3 buttons optical wheel mouse Optical sensor up to 1600 DPI 100% brand new and high quality USB 2.4G Wireless Mouse Operation systems: Windows 98, 2000, XP, Vista, Win 7, Mac OS or later