Logitech MX Master 3S in white and dark grey

Logitech's MX Master 3S. (credit: Scharon Harding)

Specs at a glance: Logitech MX Master 3S
SensorOptical (model not disclosed)
Connectivity optionsBluetooth Low Energy, 2.4 GHz wireless dongle
Programmable buttons6
Onboard profilesNone
LightingNone
Size4.92×3.32×2.01 inches
(124.9×84.3×51 mm)
Weight4.97 ounces
(141 g)
WarrantyOne year
Price (MSRP) $99

I've used the Logitech MX Master 3 as my primary productivity mouse since it came out in 2019. I've tested dozens of mice since, but none juggled a decent number of programmable buttons, advanced wireless capabilities, multi-device control, and long-term comfort as admirably as the MX Master 3. Today, Logitech released a revamped version, the MX Master 3S.

It follows in Master 3's footsteps of wireless mouse excellence but doesn't introduce enough improvements to warrant ditching my MX Master 3 and opening my wallet again.

As you might have guessed by the mild moniker modification, the 3S is slightly different from the 3. The new mouse has quieter left- and right-click buttons, and it supports higher sensitivity, so your cursor can move farther with less physical mouse movement—and that's it.

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