USB Microphone for Raspberry Pi 2 3 Model B Mic Portable With Holder Free Drivers Black

Product parameters:
 
1. The sensitivity: - 47 db + 4 db
 
2. Lower sensitivity: - 3 db at 1.5 V
 
3. Working voltage: 4.5 V
 
4. The frequency response: 100 to 16 KHZ
 
5. SNR: wining - 67 db
 
6. Line length: 0.7 to 0.9 M