Logitech M570 Wireless Trackball Ergonomic Mouse Blue Ball w/USB Receiver Dongle

Tested and fully functional. Includes Logitech unifying USB receiver. Some minor cosmetic wear from normal use. Trackball and all buttons work properly. Clean battery compartment. Battery not included. Ready to plug and play! Get precision control and ergonomic comfort with the Logitech M570 Wireless Trackball Mouse! Designed for right-handed users, it features a smooth blue trackball, programmable buttons, and wireless freedom up to 30 ft. Perfect for desk setups with limited space. USB receiver included! Ships FAST & Safe