J-Tech Digital [V628] Wired Ergonomic Vertical USB Mouse with Adjustable Sensiti Limited Time Offer - Buy NOWLAST ITEM AVAILABLE Say goodbye to wrist pain The Scroll Endurance by J-Tech Digital is perfect for anyone who experiences wrist or hand fatigue when using a regular mouse. Its vertical design reduces the torsion of the forearm and wrist caused when using most other mice. The Scroll Endurance also includes a detachable palm rest to reduce drag on the desk ;/p> Cool features In addition to its comfortable, ergonomic design, the Scroll Endurance also has adjustable sensitivity, which can be changed on-the-fly using the DPI button on the mouse. Another neat feature is the two thumb buttons, which perform back/forward browser navigation ; NOTE: Due to the innovative design of this ergonomic mouse, you may initially find it difficult to use. Please continue use over several days to grow accustomed to and enjoy the full comfort of the design. If you have any question or problem, please with us, we will try our best to help ;/p> Specifications Material: ABS Working Voltage: 5 V Working Current: 165 mA DPI: 600 / (default) / Response Rate: 125 Hz Size: L*W*H 148 * 95 * 99 mm Wire Length: M Weight: 310g Compatibility: Windows 7 / 8 / 10 / Vista / XP / , Linux, Mac OS X Package includes 1 X Wired Vertical Mouse 1 X User Manual ? 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, and 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 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.