shoplease Wired Vertical Mouse, Optical Ergonomic Mouse With 4 Adjustable Dpi 800/1200/2000/3200, Better for Large Hands, Black

【Ergonomic Design】-Scientific ergonomic design encourages healthy neutral "handshake" wrist and arm positions for smoother movement and less overall strain. (Note: it is a right-handed mouse) 【More Adjustment】-800 / 1200 / 2000 / 3200 DPI Resolution Optical Tracking Technology provides more sensitivity than standard optical mice for smooth and precise tracking on a wide range of surfaces. 【Useful Page Buttons】-Added next/previous buttons provide convenience when webpage browsing; the superior choice for internet surfers, gamers and people who work at length at the computer. 【No Deed for Battery】-Plug and Play mouse with USB 2.0 interface and 1.7m Cable, easy to start to use with standard setting function. High quality rubber coating surface gives it a feel-good touch 【Wide compatibility】Compatible with Windows 8/7/10 / Vista / XP / 2000, Mac OS, Linux (NOTE: the forward and backward buttons are not recognized on Mac)