part stock: 6878
Interface: I²C, Input Signal: Analog - Single Ended, Microphone, Output Signal: Analog - Single Ended, Analog Differential, PWM Speaker Output, Sampling Frequency: 4 ~ 8kHz, Duration: 2 Min 11 Sec ~ 4 Min 22 Sec, Filter Pass Band: 1.7 ~ 3.4kHz,