Upgrade to smarter scrolling and more productivity with a mouse comfort-fit for your hand size and preference. You’ll work faster than ever before thanks to SmartWheel scrolling, silent clicks, and a contoured comfort design. Smartwheel Scrolling provides line-by-line precision for documents – and super fast scrolling for long web pages. Choose the right design for you – whether you have smaller or larger hands – and work long hours in comfort thanks to the computer and laptop mouse's contoured shape and soft-to-the-touch thumb area. Connect instantly via Bluetooth or Logi Bolt USB receiver. Work in peace and quiet thanks to 90% less click noise and Logitech SilentTouch technology. Plus, work for up to 2 years on the included AA battery so you never have to worry about recharging your mouse.