Do you feel painful especially for your neck, shoulders or wrist when you need to use the mice for a long time without a comfortable angle? Are you worried about the strain and fatigue of your wrist joint? This vertical optical mouse is ergonomically designed to alleviate strain on wrists with cozy comfortable pinky finger & thumb rest and a full contour shape seamless palm supporting, healthy and efficient.

Elegant contoured shape seamlessly supports your palm, featuring more flexible and smoother movement, alleviating wrist tension and eliminating wrist joint's fatigue. Cozy comfortable and healthy.

Optical tracking tech. allows higher sensitivity for extra-precise tracking. One button switchable between DPI levels 800, 1200, 1600 to adjust cursor speed to suit various usage scenario.

Previous and next page buttons for hi-speed web, files browsing and work flow, perfect for gaming enthusiast, programmer, office staff, teen Internet surfer and people who sit at length at computer.

Flat and smooth pad made of special material. Never lose control and abrasive resistance has been improved greatly.

Use rubber oil coating for preventing sweating fingers slide.

Material: ABS

Color: Black,Grey,Blue,Purple,White

Engine: Optical

Number of Keys: 5

Connection: Wired

Resolution: 800-1200-1600 DPI

Operating system: for Windows 10, Windows 8, Windows 7, Windows XP, Vista, ME, 2000, Mac OS and other OS

Item size: 10.1 * 7.1 * 5.6cm / 3.98 * 2.8 * 2.2in(L * W * H)

Item weight: Approx. 99g / 3.49oz

Package size: 12.8 * 8.8 * 7.3cm / 5.04 * 3.46 * 2.87in(L * W * H)

Package weight: 133g / 4.69oz

1 * Wired Vertical Ergonomic Optical Mouse

Note:The package list without user manual.