Upgrade to smarter scrolling, better comfort, and more productivity with the Signature M550 – featuring SmartWheel scrolling that delivers precision and speed in an instant. A choice of sizes for smaller or larger hands means there's a perfect fit for anyone. Seamless wireless connectivity, silent clicks, and a comfort shape keep you comfortable and productive hour after hour. | Logitech | | Signature M550 L Full Size Wireless tooth Optical Ambidextrous Mouse with Silent Clicks | Wireless | Blue | Best Buy