Logitech ERGO M575 Bluetooth / USB Wireless Trackball Mouse (2020) $23 at Woot! $23 $50 New price low! Ends 2/12 at 10PM PT. Woot! has the Logitech ERGO M575 Bluetooth / USB Wireless Trackball Mouse, 2020 model (Graphite, 910-005867) for $23 with free shipping with Amazon Prime, otherwise $6. Up to 24-month of use from a single AA battery (w/ USB receiver). $23 retail: $50 Report Posted by Faraday01/30/2024 at 10:03 AM PT