Scroll smarter: With Logitech Signature M550 Wireless Mouse you get line-by-line precision for documents and super-fast scrolling for long web pages; simply switch modes with a flick of the SmartWheel The optimal fit for your hand: This comfortable mouse is designed for small-to-medium sized hands, for the optimal fit Upgrade your comfort: This work mouse provides long hours of comfort thanks to a contoured shape, soft thumb area, and rubber side grips that keep your hand snug and in place Connect the way you like: Connect this cordless computer mouse in an instant via Bluetooth Low Energy or Logi Bolt USB receiver Less noise, more focus: Whether working at the office or at home, Logitech Signature M550 is a quiet mouse, allowing you to enjoy 90 percent less click noise with SilentTouch technology* 24 month battery life: Work for up to 2 years on the single AA battery that comes with your multi-device mouse** Works on multiple platforms: Experience seamless compatibility wi