Review overview

Dual wireless connection, via Bluetooth 4 (LE) and Unifying Connector10
Automatic switch between click-by-click and smooth scroll for middle button10
Thumbwheels for easy horizontal scroll or other functions10
Darkfield laser to allow use on most surfaces9.5
Acceptable battery life (2 months or so)8.5
Programmable buttons Logitech Flow10

Summary

9.7This is one of the most advanced mouse that we have seen. Beware of getting hooked on the convenient automatic switch between click-by-click and smooth scrolling.

Logitech MX Master 2

Logitech MX Master 2The Logitech MX Master 2 is the flagship mouse in the non-gaming line-up, and cost $99 at this time. I managed to purchase this at a 20% discount during the 2017 Christmas sales.

Unboxing the Logitech MX Master 2 mouse is an exciting experience. Earlier, I almost fell for the Marathon Mouse M705, which is still a good mouse though lacking in some features in comparison to the MX Master 2.

The MX Master 2 is an updated version of the original MX Master, now with support for Logitech Flow.

Logitech MX Master 2
Magnet inside packaging

After removing the contents from the box, I did a check and thought I saw something gleaming inside. On closer look, it is the magnet that holds the front flap of the packaging. Unlike most guys who may just throw the whole box away, I removed the magnet from the packaging and keep it in case I need them for some other purposes. There might still be uses for the magnet (not for the packaging, of course).

 

Fixing up the mouse is simple as always. The MX Master 2 allows two modes of connection to the notebook, via Bluetooth LE (essentially version 4) and thanks to the proven Logitech Unifying connector, getting the mouse hooked up to my Notebook Bluetooth was a breeze. There was some feedback on the Logitech support forum where some guys are having an issue pairing up with their Notebook. I believe the problem could be due to the Bluetooth version. As long as the Notebook is using Bluetooth 4 or LE (low-energy), they will be compatible, and pairing should be fine.

After testing for 3 – 4 hours on the first day using Bluetooth, there were some intermittent connection drop-offs for about two or three times of approximately 3 – 5 seconds each , which is not too bad considering that they happened during several hours of usage. However, for someone who has been using the (almost) lag-free Unifying connector for years, the dropoffs are noticeable and a little irritating. So eventually I switched over to the Unifying connector, even though I did not completely lose my confidence in the Bluetooth connectivity.

The MX Master 2 uses Darkfield invisible laser with up to 4000 DPI which is capable of tracking on most surfaces including glass of at least 4mm thick (quoted Logitech). There are no surprises here while we use the mouse directly on reflective surfaces and the tabletop without a mouse pad.

The size of the mouse is as follows:

  • Height x Width x Depth: 3.4 in (85.7 mm) x 5.0 in (126.0 mm) x 2.0 in (48.4 mm)
  • Weight: 5.1 oz (145 g)
Logitech MX Master 2
Place thumb BELOW bottom button and press UPWARDS to activate

Although larger than the M705, all the buttons are easy to reach without a need to move my palm around the mouse. The same cannot be said for the gaming mouse G502 when I had to stretch my thumb to reach the forward most buttons.

At the side near the thumb, there are two buttons arranged one above the other.The buttons are not designed for placing the thumbs over them and pressing inwards, or you may find that it easy to accidentally press on both buttons. The proper method to activate the bottom button is to place the thumb below the button and press Upwards.

Logitech MX Master 2
Place thumb ABOVE top button and press DOWNWARDS to activate

Likewise, to activate the top button, you have to place the thumb over it and press downwards.

Both the top and bottom buttons are not difficult to use and are easy to get the hang of it.

Right in front of both buttons is the thumbwheel can replace the horizontal scroll most commonly found on the middle button of most mice.

 

The thumbwheel feels good and premium, and it is much easier to scroll horizontally as compared to the middle button design.

Logitech MX Master 2
Press down on the “wing” to activate the gesture button

There is another thumb button on the “wings” that glide on the tabletop. This button is set to activate via gesture, i.e. pressing the button and moving the mouse in either of the 4 directions will activate a function of choice which can be set in Logitech Options software. This requires some getting used to, so I would prefer to set the button to another function.

One important feature that makes the MX Master 2 much more superior as compared to most mice (including non-Logitech’s), is the new middle scroll button. It can now automatically change from click-by-click scroll, to smooth scrolling! All you need to do is to spin the wheels hard while it is in the clicking mode, and the internal mechanism will automatically sense and switch momentarily to smooth scrolling. At the end of the spin, the mechanism will re-engage and return to click-by-click scroll. This is a very impressive design that is unsurpassed by any other mouse.

Logitech MX Master 2
Manually changing from Click-by-Click to Smooth Scroll

For those that prefer to switch between smooth and click-by-click scroll manually, there is the usual button behind the spinning wheel that does the trick. However, the button feels like an electronic switch, rather than a mechanical switch such as those found on the earlier M700 Marathon Mouse. All you need is to press the button lightly and it will switch the scrolling mode. Another impressive design that befits the flagship mouse.

The MX Master 2 is powered by a lightweight 500 mAh Lithium Polymer battery and is touted to last 70 days on a single charge based on the specifications. This is impressive, though we would ask if Logitech would consider increasing the battery capacity and extend the life up to 6 months. Charging is done by using the USB 2.0 cable provided, and the connection is via a micro USB connector at the front of the mouse. This means that you can use the mouse as if it is a wired while charging it.

In case of emergency, fast charging of 1 minute will provide up to 2 hours of usage.

As there is no removable battery compartment, there is no place to store the Unifying connector, but this is not a big issue.

Like most mouse, the MX Master 2 is also not ambidextrous. Left-handers may have to find other options or try to use the mouse using the right hand.

Overall, the MX Master 2 is an impressive mouse and we have yet to find any flaw in the design. Our only complaint is the Logitech Flow, which does not seem to work between two Asus notebook in both Bluetooth and unifying connector methods. After trying at least 2 – 3 times and following the instructions closely, we have not managed to enable the Logitech Flow to connect both Notebooks.

 

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