Logitech M570 Wireless Trackball Mouse W Unifying USB receiver

Logitech M570 Wireless Trackball Mouse w/ Unifying Receiver. Mouse is in excellent cosmetic condition with exceptionally little wear, including the base. Mouse has been cleaned and tested. No original box Logitech M570 Wireless Trackball Mouse. This ergonomic, right-handed mouse is designed to reduce arm and wrist movement by placing cursor control under your thumb using the blue trackball.  Key Features Connectivity: It connects wirelessly via a tiny Logitech Unifying USB receiver. Ergonomics: The sculpted shape provides all-day hand and arm support, ideal for use on various surfaces, including a couch or bed. Battery Life: A single AA battery can power the mouse for up to 18 months. Functionality: It features five buttons, including programmable buttons and a scroll wheel for easy navigation.