Plugging in your headphones during the call will prevent that from happening. When sound from the speakers makes its way back to the microphone, you get a gnarly loop that can cause unpleasant echos or even aggressive feedback. If you want something even fancier, you can step up to the $179 Rode Microphone NT-USB, which offers extra features like iPad connectivity out of the box and a built-in pop shield-a thin piece of material that prevents audio spikes during hard consonant sounds Wear headphones to sound better on video conference calls The Blue Microphones Snowball Ice comes from the same company as the ever-present Yeti microphone, but the Snowball costs just $50 and will do most everything you need for video calling and basic recording.
If you buy something high-quality enough, it can come in handy down the road if you ever want to take the next step to live streaming or podcast recording.