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Cooler Master MM710 Review

There’s a gaming mouse war of the scales taking place right now. Glorious PC Gaming Race claims its 58 gram Model O is “the world’s lightest RGB gaming mouse,” but that apparently sounded like a challenge, because Cooler Master has decided to make the world’s lightest mouse by going old school. Dropping the RGB lighting, its MM710 (See it on Amazon) clocks in at just 53 grams. Do you need a mouse whose claim to fame is weighing about the same as 6,400 chicken feathers? Let’s find out.

Cooler Master MM710 – Design and Features

Thanks to convergent evolution, a lot of devices that serve similar functions end up looking pretty much the same. No one is (necessarily) cribbing off one another – it’s just that there’s really only one way a light bulb, smartphone, or ceiling fan can look if you expect it to work properly.

That’s why I wasn’t too surprised that the Cooler Master MM710 has the same sort of holes as the aforementioned Model O – Cooler Master engineers need to shave every gram it can from the shell to make this an ultralight mouse.

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Interestingly, there’s a lot more holes in the MM710 than in the Model O—the MM710 looks like a streamlined block of Swiss cheese—but they don’t really affect the grip, since the cutouts are limited to places your hand don’t regularly contact. The shell is solid at the front on both sides, the left and right buttons (obviously), and even the crown of the mouse’s rump, where your palm is most likely to make contact. The press has been razzing Apple about how the iPhone 11 is likely to frighten people who suffer from typophobia, but the new iPhone has nothing on the MM710, which could send someone with an aversion to tightly clustered holes into anaphylactic shock.

I’m conflicted about the honeycomb look. It’s eye-catching and kind of cool. At the same time, it’s a little cheap looking, perhaps because it gives off a “3D printed” vibe, and the lack of lighting means it looks uncharacteristically conservative for gaming gear. One thing it’s not, though, is flimsy. All those holes might give the appearance it’ll flex under the weight of your hand, but that’s not the case at all. It’s as rigid as a solid block of plastic.

Holes and extremely light weight aside, it’s a pretty basic six-button wired mouse. Measuring 5 inches long by 2.8 inches wide and 1.6 inches high, it’s on the smaller side, optimal for a fingertip or claw grip. It features an ambidextrous design with a subtle bottleneck-style taper in the middle. The left and right mouse buttons sit on clicky, lightweight Omron switches, and there are a pair of slightly stiffer side buttons that fall right under your thumb (if you’re right-handed… the ambidextrous design only gets you so far if you’re left-handed).

One thing it’s not, though, is flimsy.


Under the hood – a hood you can kind of see right through to the internals – the MM710 is built around a Pixart 3389 optical sensor which you can dial up to a maximum resolution of 16,000 DPI.

The bottom of the mouse has more honeycombing and bright-white feet made from PTFE – a low friction polymer that helps the mouse glide smoothly.

There’s a DPI cycle button behind the mouse wheel. It walks through seven DPI settings, which by default run from 200 DPI to 16,000 DPI, with intermediate stops around 2000, 4000, and 6000 DPI. You can fine-tune this configuration in the desktop control panel. Unfortunately, the lack of lighting means there’s absolutely no indication what DPI setting you’re on, which is frankly frustrating and can result in lost moments as you struggle to cycle to the right dpi.

To trim every possible gram from the MM710, this mouse dropped not just lighting but also wireless capabilities. The six-foot cord is very light, though, wrapped in a paracord-like “ultrawave” covering.

Cooler Master MM710 – Software

Cooler Master’s dashboard software is well-organized and powerful. Every button can be remapped, so you can swap left and right mouse buttons, assign media control duties to the side thumb buttons, or turn the scroll wheel into a rapid-fire game control. There’s also a simple macro recorder – you can create keyboard-based macros, but nothing more sophisticated – and assign them to mouse buttons as well.

The real meat of the software, though, is the Performance tab, where you can control such settings as the DPI level, USB polling rate, and button response time. You can completely customize the seven preset mouse sensitivity levels available using the mouse’s DPI cycle button, and specify different X and Y axis resolutions.

There’s also a surface tuning control – you can calibrate the mouse’s optical sensor to whatever surface you are using, and create multiple surface profiles in case you use the MM710 on different mousepads or tabletops.

Cooler Master MM710 – Gaming

Using the MM710 was barely more effort than moving my hand around on the table. It’s so light it’s essentially not even there.

Because a featherweight mouse like this is really intended for the kind of twitchy gameplay in FPS titles, I ran it through its paces in Fortnite and Wolfenstein II: The New Colossus. After using the MM710 my personal day-to-day mouse felt more like pushing a brick around on my desk. After getting used to the MM710, I found that when on my ordinary mouse, every motion was harder—and less precise—because I had to overcome my lumbering mouse’s inertia both at the start and the end of every movement. In comparison, and without exaggeration, the MM710 is utterly effortless.

It’s so light it’s essentially not even there.


The results were immediately noticeable, where I became a faster and more accurate shooter. The MM710 improved every aspect of gameplay, but I’d say it was most noticeable in sniper scenarios, where I was able to zero in on targets almost without conscious thought. I hadn’t realized how much of an albatross my (already quite light) 75-gram mouse was before, but with the MM710 I was able to dart across the screen with precision, never overshooting the target because the mouse wanted to keep moving.

The DPI cycle button is a godsend for changing the mouse’s sensitivity when switching weapons, allowing me to dial the DPI in response to whether I needed to shoot a fairly tight center-screen pattern with a shotgun or quickly dart around the extremities of the screen with a rifle. I eventually reprogrammed it, though, to focus on just three DPI settings I preferred, rather than the default spread of seven settings that bounced around the DPI spectrum.

The results were immediately noticeable, where I became a faster and more accurate shooter.


Before I started playing, I was a little worried about the cord would be stiff and interfere with the motion of the mouse. No worries here. The cord is light, flexible, and had no effect on the mouse’s movement or placement.

One major concern, though: All. Those. Holes. Even on a tidy desk, I worry about the long-term condition of the mouse around food and drink. Cooler Master says the printed circuit board assembly in the mouse’s belly is water and dust resistant – and that might save the mouse from a mortal injury if you spill water on it, but what about a Coke? Regardless of the water protection, cleaning a mouse is hard enough to start with, without residue getting into those holes and sticking to the insides. Is it going to be a problem? I used the mouse for a few weeks and managed to keep it clean, but I know what my normal day-to-day mouse looks like, and I assure you it’s not pretty. I can’t imagine any scenario in which the honeycombs don’t eventually get caked with grime and you need to clean it with a cotton swab.

Purchasing Guide

The Cooler Master M710 retails for $49 at Amazon, making it one of the most affordable gaming mice around.

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Cooler Master MM710

On Amazon

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