Logitech MX Master 3 (910-005620)
Logitech MX Master 3 Advanced Wireless Mouse User Manual
Model: MX Master 3 (910-005620)
Introduction
The Logitech MX Master 3 is an advanced wireless mouse designed for professionals and power users seeking enhanced speed, precision, and customization. It features ultrafast MagSpeed scrolling, an ergonomic design for comfortable use, and app-specific customizations to streamline your workflow. This mouse works seamlessly across multiple computers and operating systems, offering precise tracking on virtually any surface, including glass.
Setup
Unboxing and Initial Setup
Upon unboxing your MX Master 3 mouse, you will find the mouse itself and a USB receiver. The mouse is designed for immediate use with minimal setup.

Image: Contents of the Logitech MX Master 3 retail box, including the mouse, USB receiver, and charging cable.
Connectivity Options
The MX Master 3 offers versatile connectivity:
- USB Receiver: Plug the included USB receiver into an available USB port on your computer. The mouse should connect automatically.
- Bluetooth: For Bluetooth-enabled devices, switch the mouse to Bluetooth mode using the button on the underside. Pair it through your device's Bluetooth settings. The mouse can connect to up to 3 devices simultaneously, allowing seamless switching.

Image: The underside of the MX Master 3 mouse, highlighting the multi-device pairing buttons (1, 2, 3) and the power switch, demonstrating its compatibility with various operating systems.
Charging the Mouse
The MX Master 3 is equipped with a USB-C charging port located at the front of the mouse. A full charge can last up to 70 days, and a quick 1-minute charge provides 3 hours of use.

Image: The Logitech MX Master 3 mouse connected to a USB-C charging cable, illustrating its convenient front-facing charging port.
Software Installation (Logi Options)
To unlock the full potential of your MX Master 3 mouse, install the Logi Options software. This software allows for extensive customization of buttons, gestures, and application-specific settings.

Image: The Logi Options software displaying customization options for the MX Master 3 mouse, including button assignments and flow settings.
Operating the Mouse
MagSpeed Scrolling
The MagSpeed electromagnetic scroll wheel offers remarkable speed, precision, and quietness. It can scroll up to 1,000 lines in 1 second, providing 87% more precision and 90% faster performance compared to a regular mouse wheel.

Image: A hand demonstrating the ultrafast MagSpeed scrolling feature of the MX Master 3 mouse.
Thumb Wheel and Customizable Buttons
The MX Master 3 features a thumb wheel for horizontal scrolling and several customizable buttons. These can be configured via the Logi Options software for app-specific functions, enhancing workflow efficiency.

Image: A hand comfortably gripping the MX Master 3 mouse, showcasing its ergonomic design and the accessible thumb wheel and side buttons.
Flow Cross-Computer Control
The Flow feature allows you to seamlessly control up to three computers and transfer cursor, text, and files between Windows and macOS, desktop and laptop environments.

Image: A visual representation of the Flow feature, showing a cursor seamlessly moving between a desktop and a laptop, enabling cross-computer control.
DPI and Tracking
Equipped with a Darkfield 4000 DPI sensor, the MX Master 3 can track on virtually any surface, including glass. It is 5 times more precise than a basic mouse, ensuring accurate cursor control.

Image: A hand operating the MX Master 3 mouse on a glass surface, highlighting its ability to track with 4000 DPI precision on various materials.
Product Overview Video
Video: An official product video showcasing the features and benefits of the Logitech MX Master 3 mouse, including MagSpeed scrolling, ergonomic design, and multi-device capabilities.
Maintenance
Cleaning
To clean your MX Master 3 mouse, use a soft, lint-free cloth. For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials.
Troubleshooting
Connectivity Issues
- No Connection: Ensure the mouse is powered on and fully charged. For USB receiver connection, try plugging the receiver into a different USB port. For Bluetooth, ensure Bluetooth is enabled on your device and the mouse is in pairing mode.
- Lag or Disconnection: Move the mouse closer to the receiver or Bluetooth-enabled device. Avoid interference from other wireless devices.
Software Problems
- Logi Options Not Working: Try restarting the Logi Options application or your computer. If the issue persists, uninstall and reinstall the software from the official Logitech website.
Specifications
| Feature | Detail |
|---|---|
| Brand | Logitech |
| Model Number | 910-005620 |
| Connectivity Technology | Bluetooth, USB |
| Movement Detection Technology | Laser (Darkfield 4000 DPI) |
| Operating System Compatibility | Windows 10, 11 or later, Linux, Chrome OS, macOS, iPadOS, Android |
| Item Weight | 5.1 ounces |
| Product Dimensions | 4.92 x 3.31 x 2.01 inches |
| Power Source | Battery Powered (1 Lithium Polymer battery included) |
| Battery Life | Up to 70 days on a full charge; 3 hours from 1-minute quick charge |
Warranty and Support
The Logitech MX Master 3 Advanced Wireless Mouse comes with a 1-year limited hardware warranty.
For additional support, troubleshooting guides, and software downloads, please visit the official Logitech support website or refer to the User Manual (PDF).
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