Anker Ergonomic USB 2.4G Wireless Vertical Mouse

Wireless Mouse, Anker Ergonomic USB 2.4G Wireless Vertical Mouse with 3 Adjustable DPI Levels 800 / 1200 / 1600 and Side Controls,  The Premium Ergonomic Mouse with High Responsiveness. A well-designed and contoured mouse body supports your palm and cradles your thumb and pinky finger. The ergonomic design allows smoother movement and prevents wrist strain caused by traditional mice. Simply press the DPI button and switch between DPI levels 800, 1200 and 1600 to adjust the mouse's responsiveness to suit whatever you're doing. Optical Tracking Technology ensures greater sensitivity for precise tracking on a wide range of surfaces. Added back/forward buttons positioned where the thumb rests increase web browsing convenience for internet surfers, gamers and people who work at length at the computer. Enjoy the convenience of a tangle-free, wireless mouse as soon you've inserted the included USB receiver. After eight minutes of being idle, the mouse will automatically enter power saving mod