This might sound absurd coming from someone who works in tech, but I was never really a "mouse person." For years, I flat-out refused to use one, mostly because the only mice I'd ever touched were the flimsy, soulless ones you’d find sitting in computer labs.

But then I saw a friend using an interestingly shaped Logitech MX Master, and after giving it a whirl, I finally understood what all the fuss was about. The MX Master series has long been praised for its design and productivity features, so if there was any mouse that could’ve convinced me to make the switch for good, it was bound to be one from this lineup.

After going hands-on with the MX Master 3S, I didn’t think there was any way Logitech could improve the lineup. However, after spending a little over two weeks with the much-awaited MX Master 4, I’ve realized that Logitech has managed to iron out some of those quirks while introducing a handful of thoughtful upgrades. And while it retains a huge chunk of what made the MX Master 3S so good in the first place, these upgrades make it feel like the most refined version of the MX Master yet.

About this review: Logitech sent me the MX Master 4 for the purposes of this review. The company had no input into its contents.

Logitech MX Master 4 pricing and availability

You can get the Logitech MX Master 4 starting today from Logitech's official website or through authorized resellers. The MX Master 4 retails at a slightly higher MSRP than its predecessor, the MX Master 3S. At launch, the MX Master 3S retailed for $99.99 in the United States.

Currently, its price sits at $119.99 on Logitech's website (reflecting price increases in 2025), which also happens to be the same price at which the MX Master 4 is launching.

Haptics and Actions Ring give you enough reason to upgrade

I can't imagine working without the Action Ring

The biggest (and best) addition the MX Master 4 brings is its immersive and customizable haptic feedback. The MX mouse is the first in the series to feature technology that delivers tactile responses for actions, shortcuts, and notifications.

From the moment you begin pairing the mouse with your device to when you're using the Gesture button to trigger shortcuts, the haptics add a satisfying layer of precision and control. You can also tweak the haptic intensity and enable a Battery Saving mode where haptic feedback is automatically turned off when the mouse’s battery life drops below 10%.

Sure, haptics are exciting and ended up growing on me more than I had anticipated. However, what's really changed the game for me is the brand-new Actions Ring menu, which is a "digital overlay" that includes different shortcuts and controls, accessible with a single click.

Once you open the Actions Ring, you can use the cursor to choose an option. I really like just how prominent the haptics are when using the Actions Ring — it makes the entire experience feel a lot more enjoyable. You can customize the shortcuts that appear and even create different profiles for the Activity Ring using the Logi Options+ app. This way, you can essentially have a unique set of controls tailored for different workflows, making the MX Master 4 feel like it adapts perfectly to whatever task you’re tackling.

Logitech claims that professionals can save up to 33% of their time using the MX Master 4, and frankly, I believe them. For instance, I need to take a lot of screenshots once I'm done writing an article, which essentially means pressing Cmd + 3 again and again. With the Actions Ring, I don't need to do as many repetitive keystrokes — I can simply assign Cmd + 3 (or any other shortcut) to a single button press. It's the little workflow optimizations like this that make a huge difference over the course of a day.

The mouse doesn’t feel as premium as before

And that’s a good thing

One of the biggest complaints users of the MX Master 3S noted was that its soft-touch rubberized coating didn't hold up well over time. For instance, while talking to XDA’s own João Carrasqueira (an MX Master 3S fan through and through), he mentioned that his unit’s rubberized finish has already started to look pretty worn after a couple of years of daily use.

He specifically mentioned that the mouse's corner and thumb area were worn out the most, which makes perfect sense given how often those spots come into contact with your hand. However, if you’re spending $120 on a premium productivity tool, you’d naturally expect it to hold up better in the long run. A simple scroll through the r/Logitech subreddit will tell you all you need to know — plenty of users have voiced the same frustration about the 3S’s coating not aging gracefully.

With the MX Master 4, Logitech appears to have explicitly addressed this by swapping the rubber finish for "enhanced stain-resistant materials." The MX Master 4's side panels are constructed with durable silicon. Instead of using resin on the top of the mouse, Logitech has swapped it out for plastic.

Finally, for the first time in the MX series, the mouse features translucent edges, which admittedly gives it a much sleeker and more modern look.

Sure, I’d want a mouse I use for half the day to feel as premium as the money I spent on it, but Logitech’s decision to favor durability over luxury finishes feels like the smarter trade-off in the long run.

The MX Master 4 offers better ergonomics than ever

But still no love for lefties

When it comes to weight, the MX Master 4 is slightly heavier than the MX Master 3S. The former weighs 150 grams, while its predecessor weighs 141 grams. Frankly, I've always found complaints about this a bit ridiculous. Unless you're gaming competitively (which the mouse clearly isn't built for), the weight isn't really something that will bother you.

Though I initially thought the mouse wouldn’t fit my hand too well, especially since it looks rather large at first glance and I have really small hands, it turned out not to be a problem at all. The ergonomics are on point, and I’ve had twelve-hour workdays with it without the slightest discomfort.

Speaking of ergonomics, Logitech has also improved the thumb wheel considerably. I noticed it has a lot more free space around it, which makes it easier to travel across the wheel quickly without your thumb brushing against the side panel. The scroll itself feels smoother and less cramped than before, making horizontal navigation more natural.

While the MX Master 4 unsurprisingly retains the classic ergonomic design of its predecessors, it still unfortunately doesn’t deliver on the one thing many users have been asking for over the years — a true left-handed version.

The hidden button finally makes sense on the MX Master 4

Finally, no more awkward presses

Another major improvement the MX Master 4 gets over its predecessor is that the Gesture button, found right below the thumb rest, has finally been reworked. The Gesture button essentially lets you trigger customizable shortcuts or navigation gestures when pressed, often in combination with moving the mouse in different directions.

On the MX Master 3S, the button was positioned in a way that most didn’t even know it existed, and even if you did, pressing it required an awkward downward motion that felt far from intuitive. When I used the MX Master 3S, I rarely found myself reaching for it and missed out on what I consider one of the most powerful productivity shortcuts.

On the MX Master 4, Logitech has made the button far more pronounced and placed it right next to the forward and back buttons by the thumb wheel.

The MX Master 4 keeps all the classics we love

Everything you loved, just better

Though the MX Master 4 has received multiple neat upgrades that directly address the criticisms of previous models, it still retains all the core features that made the MX Master series so popular.

As mentioned above, it features the iconic ergonomic design, quiet clicks, the ability to connect and switch between up to three devices, the MagSpeed Scroll Wheel that lets you scroll up to a thousand lines per second, and, of course, 70 days of battery life. Like the MX Master 3S, the new mouse features an 8000 DPI sensor.

Logitech also improved connectivity with the MX Master 4, which now comes with a high-performance chip that’s twice as powerful as its predecessor. A USB-C receiver is now included, addressing user requests amid the ongoing transition from older USB-A dongles.

Should you buy the Logitech MX Master 4?

You should buy the Logitech MX Master if:

• You want best-in-class productivity features like haptics and the Actions Ring.
• You need a highly ergonomic mouse for long workdays.
• You value durable materials and long battery life.

You should NOT buy the Logitech MX Master if:

• You’re left-handed and need a dedicated left-handed design.
• You want a premium “luxury-feel” finish over durability.
• You're seeking an ultra-lightweight mouse with high polling rates.

Over the two weeks I've spent using the Logitech MX Master 4, I've come to realize that it's quickly become my favorite productivity companion. It's an excellent mouse built on user feedback and thoughtful features. Sure, it's expensive, but I think for what it offers, the investment is well worth it.