Feature

●【WHAT INCLUDED IN THIS SET】- A wired trackball mouse GMATB39 + a 40mm replacement ball. With this trackball mouse, you will not need to mouse around to move the cursor as thumb controlled trackball stays in one place. Technical 19° tilt angle, keep your wrist natural, allow your arm muscles and shoulder relived for all-day long work. Not only work on flat surfaces, but also on your leg, sofa and other surfaces.
●【DIVERSE FUNCTIONS】- This corded trackball mouse supports 4 level DPI switch: 600 / 800 / 1200 / 1600. Features noiseless function on the left & right clicks. Suitable for PC operation in quiet places such as public places, libraries, meetings, or at night. This SANWA ergonomic trackball mouse is programmable for different functions. Download SANWA Trackball mouse software to customize your mouse buttons and increase work efficiency.
●【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.
●【WIDE COMPATIBLE SYSTEMS】- Our roller ball mouse wired can work with computers with Windows(DOS/V), Mac, and Chrome OS systems with a USB-A port. Compatible with Windows 11/10/8.1/87, mac0S 12/11/10.12~10.15, Chrome OS, and the versions below.
●【FIT IN 40MM TRACKBALL MOUSE】- This replacement ball is designed for any trackball mouse using a 40mm/1.57 inch trackball. Compatible with models likeSANWA：GMAWTB40, GMABTTB41, MATB39; Kensington: Orbit Fusion(K75326WW), ‎K70990WW, K72675WW, K72337US, K70991WW, K70990WW.


Description

A wired trackball mouse GMATB39 + a 40mm replacement ball. With this trackball mouse, you will not need to mouse around to move the cursor as thumb controlled trackball stays in one place. Technical 19° tilt angle, keep your wrist natural, allow your arm muscles and shoulder relived for all-day long work. Not only work on flat surfaces, but also on your leg, sofa and other surfaces.