Trackball Mouse Wireless, Ergonomic Rollerball Mouse with RGB Backlit, 2.4G USB and Dual-Bluetooth Connection, Thumb Control Mouse Rechargeable for Windows Mac Android iPad Computer Laptop, Black: Amazon.co.uk: Computers & Accessories
Logitech M570 Wireless Trackball Mouse w/ USB Receiver Dongle Blue Marble Tested | eBay
Logitech ERGO M575 Wireless Trackball Mouse - Easy thumb control, precision and smooth tracking, ergonomic comfort design, for Windows, PC and Mac with Bluetooth and USB capabilities - White : Amazon.co.uk: Computers
Logitech MX Ergo Wireless Trackball Mouse from Posturite