Smart speed-adaptive scroll wheel and unique thumb wheel The speed-adaptive scroll wheel automatically shifts between scrolling modes in response to your touch. Click-to-click mode is ideal for precise, ratcheted motion. In hyper-fast mode the wheel spins freely so you can you fly through long documents and web pages. The thumb wheel adds easy horizontal navigation and advanced gestures. Install Logitech Options to extend thumb wheel capabilities, such as invert scrolling direction, reproduce touch-based gesture, navigate tabbed content, switch apps, and much more.** Combine the wheel with gestures for even more control.

Advanced precision and power Logitech’s high-precision Darkfield sensor tracks flawlessly virtually anywhere, even on glass**** and high-gloss surfaces. The rechargeable battery gives you up to 40 days of power on a single charge***. Charging is quick and easy. With the included USB charging cable you get a full day of power in only four minutes. ****4 millimeter minimum thickness.

Simple, versatile wireless connections Connect the mouse to as many as three Windows or Mac computers—using either the included tiny Unifying receiver or Bluetooth Smart wireless technology. Either way, you can switch between computers with just one touch of an Easy-Switch button on the bottom of the mouse.