Logitech MX Master Mouse

By Xah Lee. Date: . Last updated: .

Logitech MX Master Wireless Mouse. came out in March 2015.

logitech mx master wireless mouse 83738
Logitech MX Master 2s Buy at amazon

This mouse has 2 innovative features.

The top mouse wheel has 2 modes. ① ratcheted. ② free spin.

It automatically switch from clicky to free spin, when you flick it fast.

You can turn this auto-switch off by pressing the button on top of the mouse, to make it stay in spin mode or clicky mode.

Thumb Wheel

logitech mx master wireless mouse diagram
Buy at amazon

Thumb Wheel. This lets you scroll horizontally. But, how often do you need to do that?

Better, is to set it to {switch tabs, switch apps, switch windows}. That's extremely useful.

logitech mx master wireless mouse thumb buttons
Thumb buttons

The 2 buttons behind the thumb wheel is by default browser forward/backward page. They are kinda awkward to use.

Gesture Button

logitech mx master wireless mouse gesture diagram
Gestures by holding down the thumb button.

The Gesture Button is hidden on the thumb rest.

Wireless Bluetooth or USB Receiver

logitech mx master wireless mouse under 26615
Bottom. Push bottom to connect to 3 different computers, PC or Mac. Buy at amazon

Included is Logitech's Unifying Receiver, meaning that this USB receiver can also be used with other Logitech wireless mouse or keyboards.

But also, this mouse is Bluetooth. So, on any computer that has Bluetooth support, you can connect to 3 PC or Mac computers. Press the button at the bottom of the mouse to switch.

Builtin Wired Charger

logitech mx master wireless mouse charge cable
plug in to charge. Can use as a wired mouse.

Builtin Charger. Included is a USB wire you can connect to mouse to charge. Can charge while in use.

Battery Life Per Charge

Battery is said to be up to 40 Days, but reviewers says 20 days.

Potential Problems

amazon reviewers point out the following potential problems.

How the Automatic Free Spin Wheel Works

here's a great video that explains how the automatic ratchet/spin mode works.

Logitech MX Master Scroll Wheel FIX

Xah Keyboard Guide