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 with Windows, macOS, Linux, Chrome OS, ipadOS, and Android operating systems with Logitech Signature 550 wireless Bluetooth mouse Plastic parts in Signature M550 include certified post-consumer recycled plastic (Graphite: 65% Off-White/Rose plastics: 26%****)