COMFORT & SUPPORT: Contour Mouse is an innovative wired computer mouse designed to accommodate hands of all shapes and sizes. It comes in 3 sizes for the right hand and 2 sizes for the left hand to ensure you get the right fit for your hand. CUTTING-EDGE COMPUTER CAPABILITIES: Featuring 10 cursor speed adjustments, 5 programmable buttons, and 2.4Ghz technology, this ergonomic computer mouse supports enhanced precision at an operational distance of 25 feet! INNOVATIVE ERGONOMIC DESIGN: The Contour Mouse features a 17 degree slope built into its apex to accommodate the natural resting posture of your hand. This design helps minimize repetitive strain injuries such as carpal tunnel and trigger finger. MAC & PC COMPATIBLE: This wired mouse can plug-and-play for both PC and Mac, providing an ergonomic accessory for computer users across both operating systems! Optimize your home and office work stations with our versatile Contour Mouse! PROACTIVE & REACTIVE SUPPORT: We are comm