ISD1820 Sound Voice Recording Playback Module With Mic Sound Audio microphone The main chip: ISD1820. 1 x ISD1820 Module. Loudspeaker: 8O, 0.5W. 1 x Loudspeaker. PLAYL key: jog mode playback, press and hold until playback, release to stop playback;. An easy to use 10 seconds of voice recording. byJuly 4, 2026
