Features:SCROLLS SMARTER. FITS BETTER.

Upgrade to smarter scrolling, better comfort, and more productivity. The Signature M550 features SmartWheel scrolling that delivers precision or speed the moment you need it. A choice of sizes for smaller and larger hands means there’s a perfect fit for anyone. Seamless wireless connectivity, silent clicks, and the contoured shape keep you comfortable and productive hour after hour.

SMARTWHEEL SCROLLING

Make scrolling work for you with Logitech SmartWheel. Get line-by-line precision when you need to focus on the details, and scroll super fast when you just want to breeze through lengthy pages. Automatically switch modes with the flick of your finger.

THE PERFECT FIT FOR YOUR HAND

Choose the Signature M550 that fits you best. We recommend the M550 for small-to-medium hands and M550 L for large-sized hands. Unsure which mouse is right for you? Check out our sizing guide below.

COMFORT, UPGRADED

You’ll enjoy working with your Signature M550. Each mouse features a contoured shape, soft thumb area, and rubber side grips that keep your hand snug and in place. Get more comfort and focus more on what you need to get done.

Specifications:Dimensions

Height: 4.26 in (108.2 mm)

Width: 2.4 in (61 mm)

Depth: 1.52 in (38.8 mm)

Weight: 3.44 oz (97.4 g)

Technical SpecificationsSensor Technology

Sensor technology: Logitech Advanced Optical Tracking

Nominal value: 400 dpi

Max value: Up to 4000

Buttons

Number of buttons: 3 (Left/Right-click, Scroll-wheel with middle click)

Customization app

Supported by Logi Options+ on Windows and macOS  Available on Windows and macOS at logitech.com/optionsplus