USB Port Microphone For Raspberry PI

Features:
1. Cool black, more intimate colors
2. High performance microphone, true sound reproduction
3. High sensitivity, effective distance of more than 2 meters, bid farewell to the traditional 3.5-pin wheat effective distance of about 0.5M
4. Access to use recording does not require other devices
5. Can be used with any computer with USB port (including Apple), XP, Raspberry Pi system and above, free plug and play.
6. Flat and wide frequency response of crispness and clarity
Product parameters:
1. Sensitivity: -47dB±4dB
2. Sensitivity reduction: -3dB at 1.5V
3. Working voltage: 4.5V
4. Frequency response: 100~16kHz
5. Signal to noise ratio: More than -67dB
6. Line length: 0.7-0.9M