Logitech MX Ergo Wireless Trackball Mouse

ERGONOMIC DESIGN FOR MORE COMFORT: Customize the trackball angle from 0–20° for a more natural, comfortable hand position. 20% less muscle fatigue*. * Than a regular mouse. PRECISION SCROLL WHEEL: Featuring horizontal scrolling and a convenient middle click. ADVANCED PRECISION-MODE TRACKING: Switch instantly between accuracy or speed mode tracking. MULTI-COMPUTER WORKFLOW: Move your cursor, files, and links across two devices using Logitech FLOW technology. DUAL CONNECTIVITY*: Connect up to two Windows or mac OS computers via included USB Receiver or Bluetooth wireless technology. Up to 10 meters of wireless.** * USB receiver compatible with Windows 10 or later, Windows 8, Windows 7, macOS X 10.12 or later. Bluetooth wireless technology compatible with Windows 8 or later, macOS X 10.12 or later. ** Wireless range may vary depending on operating environment and computer set up. CUSTOMIZE FOR YOUR TASKS: Work faster with customized shortcuts on up to 6 buttons with Logi Options+ software. Uses FSC-certified paper for responsible packaging; Certified carbon neutral: the carbon impact of the product and packaging has been reduced to zero   Review the FAQs for additional information.