【Logicool MX Master 3 Mid Gray】 This is a listing for the body of the high-performance wireless mouse, the MX Master 3. ※This product is used. There are scratches and signs of wear on the rubber parts due to use. Please check the photos for the condition and only purchase if you are satisfied. ■Product Overview ・Ergonomic and comfortable shape, designed to reduce fatigue even during long hours of use. ・The operation area, including the thumb wheel, provides both a comfortable fit and functionality. ・Logicool's unique "FLOW" feature allows you to move files and text between up to 3 PCs with just drag-and-drop. ・Supports Bluetooth connection and Unifying receiver (sold separately). Up to 6 devices can be connected with one USB. ・The 4000 dpi Darkfield sensor allows for accurate tracking even on glass surfaces. ・Equipped with an ultra-fast scroll wheel that can scroll up to 1,000 lines per second. ・Uses a built-in rechargeable lithium polymer battery. No battery replacement required. Please feel free to ask if you have any questions.