The MX Master feels solid and sturdy, and its 5.1 ounces (with the battery) is just right for me. I prefer heftier mice. A mouse like Apple’s Magic Mouse 2 ($79 on the Apple Store) doesn’t suit my wants and needs.
Battery, Bluetooth (or not)
The Master MX has a built-in, non-replaceable rechargeable battery. Logitech includes a micro USB cable that’s for charging only. I’ve been using the Master MX for several months, and usually I can go a whole work week without needing to charge the battery. (I charge it over the weekend.) I’ve had about a dozen instances towards the end of the week when the battery needed charging. Logitech says it takes 2 hours, 45 minutes to fully charge the battery, and that should last 40 days on six hours of use per day. You can still use the mouse while it’s plugged in.
I prefer the removable AA battery of the Performance MX. It provides more options for charging (I can replace the battery if I don’t feel like being tethered to the charging cable). And I don’t have to worry about the battery’s long-term viability.
One of the nice features of the MX Master is that it gives you two options to connect wirelessly to your Mac. Usually, a mouse connects by Bluetooth or through 2.4GHz radio frequency (RF), which requires a USB receiver to be connected to your Mac. Logitech includes both. I used the MX Master via Bluetooth without a hitch.
If you use other Logitech devices, you may want to use the USB receiver. It’s compatible with other Logitech devices that are equipped with the company’s Unifying technology. You can connect up to six devices to one receiver.
There’s a lot to like about The Logitech Master MX mouse. It has a good number of customizable buttons, it’s solid, and I found it comfortable. If you like your mouse to be light, low-profile, and have a minimal number of buttons, look elsewhere. The fixed battery may cause the Master MX to be a non-starter for some, while the two wireless connection options is an attractive feature. The Performance Mouse MX is still my favorite (it fits my hand a little better), but I’ll use the Master MX without hesitation.
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