√ ERGONOMIC DESIGN – Designed to be utilized in neutral "handshake" wrist and arm positions for smoother movement and less overall strain helping alleviate wrist pain. √ REMOVABLE PALM REST & BLUE LED TRIM – This mouse comes included with a palm rest that can be easily detached based on the user's preference and convenience. It also features a blue LED, which lights up the outlining of the mouse. √ ADJUSTABLE DPI – Switch between DPI levels 800, 1200 and 1600 to adjust mouse responsiveness depending on your need and/or preference. Optical Tracking Technology ensures greater sensitivity for precise tracking on a wide range of surfaces. √ THUMB BUTTONS – Use the back/forward buttons located near the thumb area for optimum convenience, (button functionality can also be changed and reassigned using a compatible driver or software). √ WIDE COMPATIBILITY & FREE LIFETIME SUPPORT – Compatible with Windows 7/8/10, XP, Vista 7/8 and Linux etc. All J-Tech Digital Products include a One-Year Manufacturer Warranty and free lifetime technical support from our Customer Support Team located in Houston, Texas - Available M-F 9AM-6PM CST - Contact information available on the J-Tech Digital Seller Page.