Comfortable Ergonomic Design Wireless Mouse - Scientific ergonomic design encourages healthy neutral "handshake" wrist and arm positions for smoother movement and less overall strain, preventing forearm twisting and reducing muscular strainM

2.4GHz WIRELESS MOUSE WITH ADJUSTABLE DPI - 2.4G wireless connection, no wire hassle. 800 / 1200 / 1600 DPI Resolution Optical Tracking Technology provides more sensitivity than standard mouse.

Vertical Mouse with 5 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.

Ergonomic Mouse with Sleep Mode - Enters power saving mode (power is cut off completely) after 8 minutes idle, press right or left button for it to wake up.

Widely compatible with Windows 2000/ XP/ Vista/ 7/ 8/ 10/ Linux. Fit for Notebook, PC, Laptop, Computer, and other device. ( Note: the forward/backward buttons are unavailable in Mac OS X.)