This wired mouse is trying to break normal procedure. It is entirely different from traditional mouse, as you can see, it is vertical. It is devoted into keep your hand natural and comfortable for working hours, so that to prevent from carpal tunnel syndrome. With excellent stability and non-delay technology, brings you a special and healthy experience of mouse using. Features: Vertical Ergonomic Design: Ease wrist pain which is caused by long-time mouse using. Your hand with the arm keeps straight and placed naturally when you use a vertical mouse. High precision control: non-delay technology allows high sensitivity, provides up to 1600DPI, you can make it more precise for things, like color correcting and photo editing, or faster for browsing. Smooth and natural feeling: made of material feels like human skin, gives users the most comfortable hands feeling and avoids from sweat and slipping. Wide Compatibility: plug and play, fit well with most desktops or laptops with a USB port for connection. Compact and portable: light, simple and modern design, easy to carry, suitable for game, home, office, net bar, etc. Specification: Optional Color: Black, Blue, Purple Material: ABS Type: Vertical Wired Mouse Tracking Method: Optical Compatible for: PC/ Laptop Support OS: for Windows 98/ 2000/ ME/ XP/ Vista/ Win7/ Win 10/ for MAC OS Motion resolution: Up to 1600dpi Button: 6 (Left/ Right/ Scroll Wheel/ Forward/ Backward) Size: Approx. 10.5 x 6.5 x 8.2cm/ 4.1 x 2.6 x 3.2in Cable Length: Approx. 142cm / 4.7ft Package Weight: 135g Package list: 1 * Wired Vertical Mouse .