shoplease Wired Ergonomic Mouse, Optical Vertical Mouse with 3 Adjustable DPI 800/1200/1600, 6 Buttons USB Computer for PC and Laptop

【Ergonomic Design】-Scientific ergonomic design encourages healthy neutral "handshake" wrist and arm positions for smoother movement and less overall strain. 【More Adjustment】-800 / 1200 / 1600, DPI Resolution Optical Tracking Technology provides more sensitivity than standard optical mice . 【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. 【Smooth Tracking Movement】- The advanced optical tracking sensor provides smooth and accurate tracking movement on any type of surface; The USB wired version (with the length cable of 1.5 meters) offers stable connection to your computer 【Silent-Click Mouse】- Suitable for those who needs a silent working environment, so you do not need to worry disturb others while working.