SANWA Bluetooth 5.1 + 2.4G Wireless Trackball Mouse and 44mm Replacement Ball Bundle, Programmable Rollerball Mouse, Silent Click, 600-1600 Adjustable DPI, Compatible MacBook, Laptop, Windows, macOS - SANWA SUPPLY

• 【COST-EFFECTIVE BUNDLE SET】- What you will get? A GMAWBTTB138 dual mode(Bluetooth 5.1 + 2.4G Wireless) trackball mouse and a 44mm replacement ball. With this trackball mouse, you will not need to mouse around to move the cursor as finger controlled trackball stays in one place. Not only work on flat surfaces, but also on your leg, sofa and other surfaces as well. A full control of everything is within your fingers. 【PROGRAMMABLE MOUSE WITH FUNCTIONS】- This mouse with ball supports left/right click, forward/back, you can custmize those buttons for different functions when download the driver software. 4 level DPI switchable: 600 / 800 / 1200 / 1600. Noiseless click on left and right buttons, suitable for late-night PC operation, uasing in quiet places such as public places, library, hospital or meetings. 【WORK WITH OPTICAL SENSORS】-This replacement trackball provides excellent optical sensors sensitivity. Comfortable for finger control and ensures a smooth & agile movement. Specialized in precise pointing, multi-screen work, file works, excel, data processing, and efficiency improvement. 【TRACKBALL COMPATIBLE SYSTEMS】- Our computer trackball mouse is compatible with most system including Windows 11/10/8.1/8/XP, macOS12/11/10.13~10.15, iPad OS 13~15, iOS 13~15, Chrome OS, and version later. Fit for Notebook, PC, Laptop, Computer and other device. 【44MM REPLACEMENT BALL】- This replacement ball is designed for any trackball mouse using a 44mm/1.73 inch trackball. Compatible with models like SANWA: GMAWBTTB138, GMATB137. ELECOM: DEFT PRO (M-XPT1MRXBK).