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.
CONNECT YOUR WAY. WORKS ON MULTIPLE PLATFORMS.
Connect in an instant via Bluetooth Low Energy or Logi Bolt USB receiver. Get a strong, reliable wireless connection from up to 10 meters away. The Signature M550 works on multiple platforms—Windows, macOS, Linux, iPadOS, Android—and is Works With Chromebook Certified.


LESS NOISE, MORE FOCUS
No more annoying click noise. Logitech’s exclusive SilentTouch technology reduces 90% of click sounds creating a better, quieter environment for you and those around you.
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.
24-MONTH BATTERY LIFE
The Signature M550 mouse comes with an included AA battery that lasts for up to two years. That’s more focus on work and less worries about charging.
Specs and Compatibility
Dimensions
Signature M550
Height: 4.26 in (108.2 mm)
Width: 2.4 in (61 mm)
Depth: 1.53 in (38.8 mm)
Weight: 3.44 oz (97.4 g)
Signature M550 L
Height: 4.67 in (118.7 mm)
Width: 2.61 in (66.2 mm)
Depth: 1.65 in (42 mm)
Weight: 3.92 oz (111.12 g)
Technical Specifications
Sensors
- Sensor Technology: Logitech Advanced Optical Tracking
- Nominal value: 400 dpi
- DPI (Minimal and maximal 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)
Battery & Charging
- Battery type: 1 x AA battery (included)
- Battery life with Logi Bolt USB Receiver: up to 24-months*. (*It may vary based on use and computing conditions.)
- Battery life with Bluetooth®: up to 20-months*. (*It may vary based on use and computing conditions.)
Connectivity
- Connection Type: Logi Bolt USB Receiver
- Wireless technology: Bluetooth Low Energy Technology
- Wireless range: 33-ft (10 m) wireless range*. (*Wireless range may vary depending on operating environment and computer set up)
System Requirement
- Bluetooth: Required: Bluetooth Low Energy wireless technology Windows macOS 10.15 or later Linux*, ChromeOS™*, iPadOS 14 or later, Android™ 8.0 or later. Internet access required to download optional customization app Logi Options+**. (*Device will be supported without adding additional drivers in ChromeOS and most popular Linux distributions., **Available on Windows and macOS at logitech.com/optionsplus)
- Logi Bolt USB receiver: Required: Available USB Port Windows 10, 11 or later macOS 10.10 or later Linux*, ChromeOS™*. (*Device will be supported without adding additional drivers in ChromeOS and most popular Linux distributions.)
Logi Bolt USB Receiver
Required: Available USB Port Windows 10, 11 or later macOS 10.10 or later Linux, ChromeOS™
Bluetooth® Low Energy
Required: Bluetooth Low Energy wireless technology Windows macOS 10.15 or later Linux, ChromeOS™, iPadOS 14 or later Android™ 8.0 or later Internet access required to download optional customization app Logi Options.
Warranty Information
1-Year Limited Hardware Warranty
Part Number
Off-white Signature M550 : 910-006592
Rose Signature M550 : 910-006593
Graphite Signature M550 L : 910-006591
Graphite Signature M550 : 910-006781
Materials & Sustainability
Recycled Plastics
The plastic parts in Signature M550 include certified post-consumer recycled plastic to give a next life to plastic from old consumer electronics and help reduce our carbon footprint.
- Off-white plastics: 26% of recycled material
- Rose plastics: 26% of recycled material
- Graphite plastics: 66% of recycled material
- Graphite plastics: 65% of recycled material
*Excludes packaging, printed wiring assembly
In the box
What's in the box
Wireless Mouse
USB Receiver
1 AA Battery
User documentation