Does this work on Windows 11 and Mac?
Yes, this USB microphone can plug and play on Windows 11 to XP. Macs are also available.

In zoom meeting, can I hear my voice and other people through monitoring headset jack?
Yes, you will listen your sound in the real-time via the headphone jack. And this one is stereo

Can I turn off the microphone's LED light?
Yes, there is an LED light control switch at the bottom of the USB gaming microphone, which can be turned on/off.

Does it have noise reduction effect?
Yes, just press the noise-canceling button on the bottom of the gaming mic and you can get clean sound and cancel out ambient noise.

How to adjust the gain of the microphone?
The RGB microphone has a gain button. When connecting the microphone to the computer via a USB cable, you can adjust the gain at any time without distortion by turning the gain knob on the microphone.

How does the mute button work? How do you know when to mute?
All you have to do is press the mute button on the bottom of the mic (or turn the volume knob all the way to the left) and the RGB light will turn solid green to let you know you're muted. When you press the mute button again (or adjust the volume knob), the RGB lighting will change to a variety of colors to let you know the mic is working again.

Dose it have to be put in to the usb port to use on ps4?
Yes. It needs to plug the USB data port into the PS4 when using, do not need additional driver software, sound card, or phantom power. This product is very suitable for gaming, streaming, chatting, podcasting, recording, Skype, Voice-over, YouTube video, etc.