This is ISD1820 Sound/Voice Board Recording Module. The ISD1820 Sound/Voice Board Recording is 100% Brand new and high-quality Board ISD1820 chip with an Onboard microphone, you can direct recording of About 10 seconds voice recording. High-quality, natural voice Restore can be used as a loudspeaker module With a loop playback, jog playback, single-pass playback. The chip pin leads, through the microcontroller to control operation. This voice record/playback device is based on the ISD1820 chip, which can record/playback multiple-message. It can offer true single-chip voice recording, non-volatile storage, and playback capability for 8 to 20 seconds. For the sampling rate of 3.2KHz, it can record for the total duration of 20 seconds. Features : Working voltage: 3 ~ 5V Board size:54 x 38 mm ISD1820 Sound/Voice Board Recording 100% Brand new and high-quality Board ISD1820 chip with an Onboard microphone. Package Includes : 1 x ISD1820 Sound/Voice Board Recording Module SKU: PGI-0016362 Category: Sound Sensor