Lightweight construction, State-of-the-art components, unique right-handed shape. The M4 takes the performance, feel and durability of a lightweight gaming mouse to the next level. Stand out in-game and IRL: The M4 comes in no less than 5 different colour versions including a retro edition, so that your mouse will leave an impression not only in-game, but IRL Lightweight Design, Ergonomic Shape: The M4 is the first ultra-light gaming mouse with an ergonomic, right-handed design - uniquely contructed to weigh less without compromising on shape and feel. 3389 State-of-the-Art Sensor: With Pixart’s highest-performing gaming sensor, you’re ready for the next level. On-the-fly sensitivity setting from 400 to 16,000 DPI. 125-1000 Hz polling rate, and self-adjusting FPS, which all translates to top-grade performance.