Logitech MX ERGO Advanced Wireless Trackball with Tilt Plate
Amazon.com: Logitech MX Ergo Wireless Trackball Mouse Adjustable Ergonomic Design, Control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite - Black : Electronics
Logitech MX ERGO Advanced Wireless Trackball with Tilt Plate