Detailed Product Description 2.4G Wireless optical MouseSpecification:1,2.4G Wireless Optical Mouse with receiver2,Smart mouse sleeping mode for power saving3,Advanced 2.4G Hz digital wireless transmitted technology4,Wise power saving design5,High resolution with 800/1200/1600dpi6,AAA batteries*27,Interface:USB8,System Support:Windows 98/NT/ME/2000/XP/Vista