Introduction
The Logitech MX Master 4 is a high-performance ergonomic wireless mouse designed for precision and control. It features advanced haptic feedback, ultra-fast MagSpeed scrolling, and versatile connectivity options. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device.
What's in the Box
- Logitech MX Master 4 Mouse
- User Documentation

Image: The Logitech MX Master 4 mouse and its accompanying user documentation as found in the product packaging.
Setup
Initial Connection
The MX Master 4 offers flexible connectivity via Bluetooth or the included USB-C Logi Bolt dongle. For initial setup, remove the protective film from the mouse's underside.

Image: A hand peeling off the protective film from the bottom of the Logitech MX Master 4 mouse, revealing setup instructions.
Connecting via Logi Bolt USB-C Dongle
- Locate the USB-C Logi Bolt dongle in the packaging.
- Plug the Logi Bolt dongle into an available USB-C port on your computer.
- Turn on the mouse using the power switch on its underside. The mouse should automatically connect.

Image: A visual guide illustrating the process of connecting the Logi Bolt USB-C dongle to a computer for mouse operation.
Connecting via Bluetooth
- Turn on the mouse using the power switch on its underside.
- Press and hold the Easy-Switch button on the mouse's underside until the LED indicator starts blinking rapidly, indicating pairing mode.
- On your computer, navigate to Bluetooth settings and select
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