$12 all day long on amazon. No frills but does the job.
https://www.amazon.com/AutoFocus-Microphone-Streaming-Compatible-FaceTime/dp/B08T19RTKT/ref=sr\_1\_7?crid=2H0CCX36OVHZO&dchild=1&keywords=nulaxy+webcam&qid=1632281172&sprefix=Nulaxy+web%2Caps%2C180&sr=8-7