Amazon.com: Logitech M570 Wireless Trackball Mouse – Ergonomic Design with Sculpted Right-Hand Shape, Compatible with Apple Mac / Microsoft, USB Unifying Receiver, Dark Gray (Discontinued by Manufacturer) : Electronics
This Trackball Mouse Has an 18-Month Battery Life
Logitech ERGO M575 (910-005869) Wireless Trackball Mouse - Black for sale online | eBay