This module is a recording loudspeaker shouting voice module, with ·ck and shouting functions, can be used in single-chip design, special place monitoring recording, escalators, walkways, construction sites and other places voice broadcast warnings and loudspeakers;
Power supply current: > 0.3A;
Power supply voltage: DC 3.6 - 5.5V;
Recording time: 4 minutes;
Sampling rate: 32K sampling 48bit/s