Features and Functions: Wired Connection 7200 dpi Optical Sensor Five Programmable Buttons 1000 Hz Polling Rate Quick-Access Radial Menu Lifespan of 50 Million Clicks PTFE Feet Compatible with Windows & Mac Description: Get compact and ergonomic CAD performance with the CadMouse Compact Wired Mouse from 3Dconnexion. Aimed specifically at CAD users, the CadMouse Compact features a slimmed-down, ergonomic design for all-day comfort. Use the middle mouse button to access specific CAD functions using less force than a scroll wheel click. Take command of CAD applications with a radial menu that adapts to different CAD environments. Featuring a 7200-dpi optical sensor and 1000 Hz polling rate, the wired CadMouse Compact features a total of seven buttons, including five customizable ones. Low-friction and wear-resistant polytetrafluoroethylene (PTFE) feet provide smooth, durable action, while a lifespan of 50 million clicks ensures reliability. The 3Dconnexion CadMouse Compact Wired Mouse is compatible with Windows and Mac operating systems.