Key Features.

• 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
• CROSS-COMPUTER CONTROL – Game-changing capacity to navigate seamlessly on two computers, and copy-paste text, images, and files from one to the other using Logitech FLOW
• DUAL CONNECTIVITY – Use with up to three Windows or Mac computers via included Unifying receiver or Bluetooth Smart wireless technology
• RECHARGABLE BATTERY – Up to 70 days of power on a single charge; Number of buttons: 8
• PRECISION SCROLL-WHEEL – Tilt and middle click wheel allows for precise scrolling and other convenient controls such as horizontal scrolling

1 Year Warranty.