Experts advise using an ergonomic mouse as it reduces strain caused by repetitive movements, thereby helping to prevent posture-related injury to the shoulders and neck. With an ergonomic mouse like the PIAVO Vertical Mouse your wrist remains in a relaxed, natural position without you needing to twist it, thereby noticeably relieving strain on the tendons, hand and arm. You'll enjoy incredible comfort plus maintain a healthy posture with this device. And with its 5 buttons plus DPI switch to adjust the sensor resolution, you'll also be ready to tackle any task on your PC. Features - Premium Quality - Ergonomic Vertical USB Mouse - Promotes a Natural Posture with a Special 55 Degree Vertical Angle - For Right-handed Use - Five Buttons, Plus DPI Switch - Resolution : 2400dpi Optical Sensor - Adjustable Sensor Resolution (800/1200/1600/2400dpi) - Rubberised Non-slip Finish for Improved Grip and a Great Feel - Fast, Driverless Installation - Connection: USB-A - Cable Length: 1.5m - Dimensions (LxWxH): 120 x 76 x 72 mm - Weight: 87g - Compatibility: Windows 7 (32/64-Bit), Windows 8 (32/64-Bit), Windows 8.1 (32/64-Bit), Windows 10 (32/64-Bit), MacOS