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

Features:

Ergonomic Design

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

Responsiveness

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

Upgraded Functionality

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

Smooth Pads

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

Skin-friendly Surface

Use rubber oil coating for preventing sweating fingers slide. 
 

Specification:

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, 8, 7, XP, , ME, 2000, 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. * 2.87in(L * W * H)

Package weight: 133g / 4.69oz
 

Package list:

1 * Wired Vertical Ergonomic Optical
 

Note: The package list without user manual.