Microphones. There are literally thousands of them. This is a variety. There are millions of microphones. It has been around for close to 100 years.
Here Obama is speaking into two of them, recording a speech or conference.
Microphones. There are literally thousands of them. This is a variety. There are millions of microphones. It has been around for close to 100 years.
Here Obama is speaking into two of them, recording a speech or conference.