The ultimate precision mouse for power users. Harness the power of Logitech Flow and seamlessly move content between three computers. Scroll through documents and web pages faster and easier with the speed adaptive scroll wheel. Powers up for an entire day in just three minutes. A sculpted, hand-crafted shape ensures comfortable hand and wrist support. System Requirements: Required: Bluetooth low energy technology windows 8 or later iMac OS X 10.10 or later|Required: Available USB port Windows 10 or later Windows 8 Windows 7Mac OS X 10.10 or later|Internet connection for software download USB port or Bluetooth low energy technology.