The MX Master 4 mouse is a high-performance wireless mouse designed for professionals and enthusiasts alike. It features an ergonomic shape that fits comfortably in the hand, allowing for extended use without discomfort. The mouse is equipped with a built-in 650mAh rechargeable battery, providing long-lasting power that can last up to 70 days on a single charge. The MX Master 4 offers advanced tracking capabilities, using a precision sensor that can operate on a variety of surfaces, including glass. It also includes a customizable scroll wheel, allowing for smooth and efficient scrolling through long documents or web pages. With Bluetooth connectivity and the ability to connect to multiple devices, users can easily switch between computers with the press of a button. The mouse also boasts adjustable DPI settings, allowing users to tailor sensitivity to their specific needs for enhanced productivity.