Logitech MX Ergo Wireless Trackball

Black Wireless Trackball Mouse, Unifying Receiver, Bluetooth, Tiltable Base, 380dpi, 8 buttons, Rechargeable Li-Po Battery, Micro-USB port

Features
USB Wireless
Full Size Mouse
512-2048dpi Optical Trackball
Black with Grey Ball
Adjustable Angle
Built-In Li-Po Battery
Up to 4 Months on a Single Charge
Warranty
12 Month Return to Base Warranty

Specifications
Wireless Range Approx. 10m
Interface Unifying USB Wireless Receiver Bluetooth
Battery Rechargeable Li-Po (500 mAh) Battery
Sensor Logitech Advance Optical Tracking
OS Support Windows 7, 8, 10 Mac OS X 10.12 or Later
Dimensions (mm) 51.4 (w) x 99.8 (d) x 132.5 (h)
Weight Approx. 259g (With Metal Plate)