Features:
100% brand new and high quality
This module uses a professional microphone amplification IC.
low output noise， small size， high sensitivity， fixed gain at 20dB，
support 3.3v and 5v two power supply.

Specifications:
Voltage: 3-5V
OUT Output: The default output analog signals.
Size: 18mm * 10mm
Color: Red

Package includes:
1 x Microphone Amplifier Voice Module