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

Rechargeable battery- up to 70 days of power on a single charge; Nominal value : 380 dpi

Precision scroll-wheel – tilt and middle click wheel allows for precise scrolling and other Convenient controls such as horizontal scrolling

Cross-computer control- game-changing capacity to navigate seamlessly on 2 computers, and copy-paste text, images, and files from one to the other using Logitech flow

Dual connectivity- use with up to 3 Windows or Mac computers via included Unifying receiver or Bluetooth smart wireless technology

Ergonomic sculpted design – unique adjustable hinge allows you to customize the trackball angle from 0 to 20 degrees for a more natural, comfortable hand position, and reduced muscle strain