1.Operating Voltage:3-5V

2.Standby Current:<5uA (3.6V)

3.Recording Time: 30s 120s

4.Recording Input:adopt ADC 14 Bit,Audio Out DAC 14 Bit

5.Recording Voice Format:ADPCM

6.Recording Distance:3-5m

7.Recording/Voice Play Mode:independently play a piece of sound recording or play a piece of prerecordig voice

8.Cycle Mode Play:can set cycle play times or constant cycle play

9.Prerecording voice is burnt from external to SPI Flash,can prerecord chord music or voice

10.Adaptive Loudspeaker:8-32 ohm output power 4.5V 0.6W 8 ohm

11.Recording Prompt:before recording one "BEEP",after finished,two "BEEP"

12.Mute Mode:no "BEEP"

13.Sampling Frequency:6KHz-16KHz,can be chosen through external resistor


Key Recording Mode:everytime repeatedly record,it will clear previous voice data

1.RECL:level remains mode recording

2.RECE:single trigger mode recording


Key Play Mode:

1.PLAYL:level remains mode play,can connect with photoresistor,can play by light source control

2.PLAYE:single trigger mode play