ASUS ProArt MD300 Wireless Optical Mouse with Bluetooth??(Black). Intuitive and faster user experience through rotating and clicking both programmable dial and side scroll, which helps meet each creator?s needs. A large, independent middle key with an changeable integrated gaming-graded switch. The key is rated to up to 50 million clicks and provides the same solid feel for both left- and right-side clicks. Premium sensor to ensure smooth functionality on any surfaces even on glass. Fast 4200 dpi tracking makes it ideal for effortless, accurate and lag-free creativity. ProArt Mouse features best-in-class fast charging and superb tracking performance. It offers fast, 1-minute charging for up to 8 hours of battery life ? where a full charge lasts up to 150 days. Connect up to 3 devices for easy multitasking. 50 million clicks micro switches extending the life of mouse. Ergonomic and elegant silhouette provides a comfortable grip. Define your own mouse via Armoury Crate.