Want to work comfortably for hours? The Logitech MX Ergo S Advanced Wireless Mouse with Trackball is designed to reduce hand strain. This black wireless mouse features a trackball for precise control without moving your arm. It works with Windows and macOS through Logi Options+. With adjustable DPI from 512 to 2048, you can fine-tune sensitivity to your needs. The battery lasts up to 120 days on a full charge, so you won't need to worry about frequent charging. It connects via Bluetooth or the included Logi Bolt receiver. At 259g, it's substantial enough for steady control. This mouse measures 132.5mm x 99.8mm x 51.4mm, fitting comfortably in most hands. It comes with a 1-year warranty. The part number is 910-007261.