Battery Powered Left Hand Wireless Mouse Ergonomic Vertical Computer Gaming Mice 800/1200/1600 DPI for Laptop PC •Ergonomic design: specially designed for left-handers,suitable for the contour of your palm,providing maximum comfort •Thumb button: forward/back button,convenient for web browsing,it is the first choice for Internet users,gamers and people working in front of the computer •Adjustable sensitivity: 800/1200/1600 DPI resolution optical tracking technology provides more sensitivity than standard optical mouse,smooth and accurate tracking of a wide range of surfaces •Auto-sleep function: enter sleep mode after 8 minutes of standby,press left and right keys to wake up,save power •Wide compatibility: Support Windows 2000/ME/XP/7/8/10/Vista/98,for Linux and more. Suitable for notebook,PC,notebook,computer,and other devices •Specifications: •Material: ABS •Net weight: 108g •Resolution: 800/1200/1600 DPI •Buttons: left/right button,forward/backward button,scroll wheel button,DPI button •Mouse size: 123*65*82mm •Power supply: 2 x AA batteries (not include) •Note: The mouse is NOT compatible with MAC OS. Package included: •1 x Left Hand Wireless Mouse (with Receiver) •1 x English and Chinese User Manual