This wired mouse is trying to break normalprocedure. It is entirely different from traditional mouse, as you can see, itis vertical. It is devoted into keep your hand natural and comfortable forworking hours, so that to prevent from carpal tunnel syndrome. With excellentstability and non-delay technology, brings you a special and healthy experienceof mouse using.Features:Vertical Ergonomic Design: Ease wrist painwhich is caused by long-time mouse using. Your hand with the arm keeps straightand placed naturally when you use a vertical mouse.High precision control: non-delaytechnology allows high sensitivity, provides up to 1600DPI, you can make it more precise for things, like color correctingand photo editing, or faster for browsing.Smooth and natural feeling: made ofmaterial feels like human skin, gives users the most comfortable hands feelingand avoids from sweat and slipping.Wide Compatibility: plug and play, fit wellwith most desktops or laptops with a USB port for connection.Compact and portable: light, simple andmodern design, easy to carry, suitable for game, home, office, net bar, etc.Specification:Optional Color: Black, Blue, PurpleMaterial: ABSType: Vertical Wired MouseTracking Method: OpticalCompatible for: PC/ LaptopSupport OS: for Windows 98/ 2000/ ME/ XP/Vista/ Win7/ Win 10/ for MAC OSMotion resolution: Up to 1600dpiButton: 6 (Left/ Right/ Scroll Wheel/ Forward/ Backward)Size: Approx. 10.5 x 6.5 x 8.2cm/ 4.1 x 2.6x 3.2inCable Length: Approx. 142cm / 4.7ftPackage Weight: 135gPackage list:1 * Wired Vertical Mouse.