• Smart speed-adaptive scroll wheel: Auto shift from click-to-click to hyper-fast scrolling
• Unique thumb wheel: For horizontal navigation and advanced gestures
• Easy connections for multiple computers: Use with up to three Windows or Mac computers via included Unifying receiver or Bluetooth Smart

• Smart speed-adaptive scroll wheel: Auto shift from click-to-click to hyper-fast scrolling
• Unique thumb wheel: For horizontal navigation and advanced gestures
• Easy connections for multiple computers: Use with up to three Windows or Mac computers via included Unifying receiver or Bluetooth Smart wireless technology. Easy switching between computers with the touch of the button
• Tracks virtually anywhere - even on glass: The Dark field Laser sensor tracks flawlessly even on glass and high-gloss surfaces ( 4mm minimum thickness.)
• Advanced power management: Up to 40 days of power on single charge. You can get enough power for a full day of usage in only 4 minutes, with no downtime while recharging. ( Battery life may vary based on user and computer conditions...