Logitech ERGO M575S Wireless Trackball Mouse, Wireless Ergonomic Mouse With Bluetooth and Encrypted Dongle, Comfortable Thumb Control, Precise and Smooth Tracking, for PC/Mac (Off-white+Blue Ball)

Logitech ERGO M575S Wireless Trackball Mouse, Wireless Ergonomic Mouse With Bluetooth and Encrypted Dongle, Comfortable Thumb Control, Precise and Smooth Tracking, for PC/Mac (Off-white+Blue Ball) - Optical - Wireless - 32.81 ft - Bluetooth - 2.40 GHz - Off White, Blue - 2000 dpi - Trackball, Scroll Wheel - 5 Button(s) - 1 x AA Battery Supported