What, specifically, are you looking for. The Baofeng hand mic is junk. Get a Commountain one from Amazon.
https://www.amazon.com/Speaker-Reinforced-Arcshell-Shoulder-Microphone/dp/B07MX4J3W8/
There used to be a Commountain speakermic that folks said was the bee's knees for the Baofeng. I noticed that Amazon shows it as no longer available, so ..I guess that's pretty unhelpful.
https://www.amazon.com/Speaker-Reinforced-Arcshell-Shoulder-Microphone/dp/B07MX4J3W8
This is the one I use:
Works great, slightly cheaper than the BTech mentioned.