Amazon.com: Mic-Lock with SoundPass USB Type C Microphone Blocker – USB C for Laptops, Smartphones & Desktop Computers Security, Privacy - USB C Only (Single Pack) : Electronics
Microphone Blocker Device for iPhone, Android, and Laptops | Mic-Lock
This Headphone Jack Plug Stops Hackers From Eavesdropping Through Your Devices' Microphones
Microphone Blocker Device for iPhone, Android, and Laptops | Mic-Lock