When presenting via video conference your voice becomes outmost important. Unfortunately built in laptop mics and even the Apple earbuds have terrible input sound quality.
The Blue Yeti X (Amazon) has great sound quality and usually ranks #1 for USB mics. Joe Rogan uses it when not in his studio. It’s the choice of most YouTubers and Twitch Streamers. Best for typical home office use cases as well. Just place it next to your screen and plug it into your computer. The mic lets you select a “cardioid” pick up pattern so that it records just you and not the whole room reducing echo and background noise. Costs $170.
Unfortunately, this mic tends to be sold as everyone is realizing that they need better mics for WFH. The good news is that there are cheaper versions that are fully adequate for videoconferencing as well:
Yeti Nano - $99 (Amazon ) - compact version
Yeti USB - $129 (Amazon) - standard version, $40 cheaper than Yeti X