Introduction
1. with on-board ISD1820 chip
2. onboard microphone, can record directly
3. about 10 seconds voice recording
4. high-quality, natural voice restore can be used as a loudspeaker module
5. with a loop playback, jog playback, single-pass playback
6. the chip pin leads, through the microcontroller to control operation
7. Operating voltage: 3 ~ 5V
8. board size 54 (mm) x 38 (mm)
