Logitech ERGO M575 Wireless Trackball Mouse - Graphite (Refurbished)

Minimize movement and maximize comfort with ERGO M575—a wireless trackball with sculpted ergonomic shape. With no need to move your arm around to move the cursor, your hand and arm stay relaxed. Remarkably smooth and responsive cursor control works perfectly on any surface. Connect simply via Bluetooth Low Energy or the included USB receiver with a 33 ft (10 m) range.