Ergonomic Mouse, Healthy Neutral "Handshake" Wrist

Dimensions102 (W) x 85(D) x 72mm(H)Interface typeUSBDPI1000Applicationdesktop, laptopTracking methodopticalTypewiredStyle3DHand orientationrightNumber of rollers1Number of buttons5System requirements operation system: Windows 98/Me/2000/XP/Vista/7Mac OS X+Linux 1000 DPI Resolution Optical Tracking Technology provides more sensitivity than standard optical mice for smooth and precise tracking on a wide range of surfaces.Scientific ergonomic design encourages healthy neutral "handshake" wrist and arm positions for smoother movement and less overall strain.This product with a USB cable, no ordinary copper clad steel wire glue Oh , and use the USB cable is 1.6 meters long and 3.0 soft striped wire, do not use stiff uncomfortable.Added next/previous buttons provide convenience when webpage browsing, best choice for internet surfers, gamers and people who work with computerThis product use ergonomic design to keep a right posture when use computer so that the carpal tunnel syndrome will not happen. Take one for your kid, take one for yourself!