The lot of 200 is from a whole pack of 1000pcs; 200 pcs will be shipped in an ESD bag; buying a whole pack of 1000pcs will get its original pack shipped and with 10% discount.
These mini microphone are great for any projects where voice and sound input involved and size is limited!
They're often used in Cell Phones, Voice Recorders, Surveillance/Spy Systems, Clip-on Microphone Sets, toys. etc...