ISD1820 Sound Voice Recording Playback Module With Mic Sound Audio + Loudspeaker Specification: the main chip: ISD1820 size: 38mm * 42.5mm the working voltage: DC 3 ~ 5V Loudspeaker: 8¦¸, 0.5W. features: 1.An easy to use 10 seconds of voice recording 2.high-quality, natural voice restored 3.can be used as propaganda module 4.with looping, jog playback, single-pass play function 5.available single-chip control 6.this module can directly drive a small speaker 8 ohm 0.5W Power supply :3-5V, which can be accessed pin power; Audio recording control mode: the key to control or microcontroller, IO has drawn the line of control; Buttons control audio recording method of operation: REC button: record button, you can press and hold the recording, release the button to stop recording; RLAYE key: trigger mode playback, press will play this whole speech; PLAYL key: jog mode playback, press and hold until playback, release to stop playback; RPL Jumper: loop mode control, loop playback; FT Jumper: direct control, microphone voice through the speaker can playback; Shipping Included: 1PCS x ISD1820 Module 1PCS x Loudspeaker 1PCS x Free cables.