Ergonomic Mouse, Vertical Wireless Mouse - Lekvey Rechargeable 2.4GHz Optical Vertical Mice: 3 Adjustable DPI 800/1200/1600 Levels 6 Buttons, for.

ERGONOMIC, SLEEK AND RECHARGEABLE DESIGN - Scientific ergonomic design encourages healthy neutral 'handshake' wrist and arm positions for smoother movement and less overall strain MULTIFUNCTION AND CONVENIENT - Advanced 'Page Back' and 'Page Forward' functionality buttons provide convenience when web page browsing. 800 /1200/1600 DPI Levels - Easily adjusts the sensitivity of the mouse