2.4G foldable Wireless Mouse 1,2.4G rf wireless transmitting 2,freee moving in 10 meters 3,800-1600 DPI 4,with CE&ROHS 2.4G Foldable Wireless Mouse 2.4GHz Free moving in 10 meters; Built-in Mini receiver design,Plug-and-play; 800-1600 DPI conversion; Power ON/OFF Switch; 1 piece of AAA alkaline battery supply over 2 months working time; System Support:Windows 2000/XP/Vist