Easy to install, no software required. Suitable for both laptops and desktops.
It can be used off the table and without limitation of operational space. Scrolling function can be controlled simply by your thumb.
USB 2.0 interface, DPI: 600
Compatible with Windows/Mac OS/Unix/Linux
Package: 1 x Finger Mouse
Eximone Mini Portable Handheld Finger Ring 4D Mini Trackball Mouse - B016GELOOY