I wanted an inexpensive wireless microphone for my cell phone. But I didn't like the case. I used small nails for the hinge pins and magnets to keep it closed.

Here is the microphones I bought:

https://www.aliexpress.us/item/3256806081166582.html?spm=a2g0o.order_list.order_list_main.5.225e1802Mq3ccM&gatewayAdapt=glo2usa

Here are the magnets I used to keep the box closed. (use a small drop of super glue to install the magnets).

https://amzn.to/3ywjwy9

Printed with PLA