?The vertical and ergonomic mouse is different from traditional mouse£¬ giving you comfortable hand feel and removing occupational carpal tunnel syndrome. Stable transmission provides you precise positioning. The fashionable 6D mouse with 4 adjustable DPI£¬ your essential tool for business and game! <br> <br> <strong>Features:</strong> <br> Vertical ergonomic design perfectly fits the contour of the wrist and arm£¬ relaxing your hand. <br> Omron switch£¬ high speed and stable transmission. <br> 4 adjustable DPI for precise tracking and easy text selection. <br> High-end USB cable with magnetic ring£¬ anti-interference to realize smooth data transmission. <br> Specially designed finger slot£¬ comfortable hand-holding posture without fatigue. <br> Plug and play without installing any software. <br> 4 LED light colors changing with DPI switching. <br> Anti-skid scroll wheel for simple navigation. <br> Wear resistant Teflon feet pads to guarantee smooth and easy operation. ? <br> High quality and fashionable appearance£¬ perfect for office staff and gamers. <br> <br> <strong>Specifications:</strong> <br> Key quantity: 6 <br> Resolution: 500DPI£¬ 1000DPI£¬ 1800DPI£¬ 2500DPI (adjustable) <br> Key life: More than 3 million times <br> Scroll wheel life: More than 200 thousand circle <br> Operation voltage: DC 5V <br> Operation current: £¼70mA <br> Operating temperature: -15¡æ - 50¡æ <br> Storage temperature: -20¡æ - 60¡æ <br> Material: ABS <br> Item size: 11.1 * 9.2 * 8cm / 4.37 * 3.62 * 3.14in (L * W * H) <br> Item weight: 181g / 6.40oz <br> Package size: 13.5 * 10.5 * 9cm / 5.31 * 4.13 * 3.54in (L * W * H) <br> Package weight: 299g / 10.54oz <br> <br> <strong>Note:</strong> 500DPI - red light£¬ 1000DPI - purple light£¬ 1800DPI - blue light£¬ 2500DPI - green light. <br> <br> <strong>Package List:</strong> <br> 1 * EV mouse <br> 1 * User manual (English£¬ Dutch£¬ German£¬ French£¬ Spanish£¬ Chinese£¬ Japanese£¬ Korean)