Once the webcam has been connected to your device, it will take approximately a few seconds for the webcam to be automatically recognized or installed.
To verify connectivity on Windows, go to Control Panel>System and Security > System > Device Manager > Camera > OBSBOT Tiny.
To verify connectivity on Mac, go to Finder > Applications > Photo Booth > OBSBOT Tiny.

USB 2.0 or USB 3.0 port.

Yes, there are built-in dual mics in OBSBOT Tiny.

Not natively, but you can use loads of PC based meeting software to record the video like Amazon Chime, Zoom, Google Meet, Slack for example or even use OBS Studio to record it separately while using any webcam chat program.

The green lights on your Tiny indicates that it is on.

Tiny provides two gesture controls.
1) Select/Cancel Target
2) 2x Zoom in/out

1) As shown, blue flashes of 1, 2, and then 3 bars and then 1 blue flash of all 3 bars indicates successfully performed gesture. If not, please adjust your gesture and try again.
2) The middle of the green light keeps on which means no target was locked.
3) All three green lights keep on which means the target was locked.
4) All three yellow lights keep on which means losing the target.

Only can do the upgrade on OBSBOT TinyCam with Windows version.
https://www.remo-ai.com/service/faq/tiny-upgrade-manual

Tiny does not support Windows Hello.

Don’t worry. It is normal that Tiny gets warm. Working with AI functions require a lot of the product’s internal resources which causes it to become warm.

Mac® OS X 10.10 or higher,
Windows® 7, Windows 8, or Windows 10 or higher.