Two Logitech M570 Wireless Trackball Mouse W Dongle Used Tested Working

The product is a set of two Logitech M570 Wireless Trackball Mouse with dongles. The trackball mice are black in color and feature a laser tracking method with 5 buttons, including a scroll wheel. They are designed for right-handed users and offer an ergonomic design for comfortable use. The mice also include a battery status indicator for convenient monitoring. These Logitech trackball mice are tested and confirmed to be in working condition, providing reliable wireless connectivity for efficient use in various computer applications.