The Logitech G402 is a quality mouse with high-speed, a sensitive optical sensor and a variety of programmable buttons. It's great for FPS gamers.
SpecsUpdate
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Pros
Pro CPI for your preference
You can adjust the mouse from 240 to 4000 CPI, in steps of 80. You can also change the CPI on-the-fly, which comes in handy when playing FPS games.
Pro Great at high speeds
The G402, unlike many other mice, won't spaz out if you move the mouse faster than the sensor can pick up the readings. The sensor has a max read speed of about 2.7 m/s, but the G402 uses an accelerometer and a gyroscope that will help fill in the missing data in case you outpace the sensor. That should eliminate any worry of judder or other tracking issues ruining your game. It's a great feature if you're a low-sensitivity gamer and sometimes move the mouse really quickly.
Pro High build quality
The mouse is well built and durable - what one would expect from Logitech.
Pro Crisp and light buttons
G402 has 8 programmable buttons. The buttons are separated from the shell and give you an enjoyable clicking feel. The scrolling wheel is light and small. Overall, the buttons feel nice and crisp.
Pro Low lift-off distance
The lift-off distance is less than 2mm. The mouse stops tracking the moment you lift it off the table even a little bit.
Cons
Con Doesn't have a very premium look
The design for the G402 is not very inviting. The mix between matte and glossy black plastic is a bit incoherent and it's missing some premium materials. Even the cable is nothing fancy, it's just a plain black rubber cable.
Con You get full feature support on Windows only
Logitech supports Windows only, both with drivers and software. While this mouse can be used with macOS or Linux, you won't be able to customize it since it's missing the official software for those platforms.