SANWA Trackball Mouse Wired, Silent Click & Programmable Buttons, 40mm Roller Ball, 600/800/1200/1600 DPI, Easy Thumb Control, Ergonomic Design, Compatible with Mac, Windows, PC, Laptop

Smooth & Sensitive Trackball - This rollerball mouse consists of a 40mm trackball, high-sensitive 3-dot positioning technology, and thumb control to move the cursor smoothly & accurately. Keep your wrist and mouse in one place, and reduce hand movement. A great solution for limited space, it works not only on flat surfaces but also on your leg, sofa, bed, carpet, etc. Ergonomic Tilt Design - Technical 19° tilt angle, right-hand design, easy to adapt for trackball beginners. Keep your wrist natural, and allow your arm muscles and shoulder to be relived for all-day work. Help to reduce muscle stress, wrist pain, RSI, and carpal tunnel syndrome. Perfect for drawing, typing, working, playing, etc. Silent Click & 4 DPI Adjustable - This mouse with ball supports 4 levels of cursor movement speed: 600/800/1200/1600. Suit different tasks, ensuring accuracy & speed. Press the middle DPI button to change it faster or slower. Features noiseless click on left/right button, suitable for usage in quiet places like public occasions, libraries, meetings, cafeterias, or at night. Programmable with Software - The ergonomic trackball mouse is programmable for different functions. Download SANWA Trackball mouse software to customize your mouse buttons and increase work efficiency(find it in the user manual). Note: 1. The software does not work with Mac OS or Chrome OS. 2. Programmable function works when the software on. Various 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.