ISD1820 recording module voice module the voice board telediphone module board with Microphones + Loudspeaker Feature: With looping, jog playback, single-pass play function Available single-chip control This module can directly drive a small speaker 8 ohm 0.5W Working voltage: DC 3 to 5V Loudspeaker: 8, 0.5W Power supply: 3 - 5V Size: 3.7 x 4.1cm / 1.45 x 1.61 inch Package included: 1 x SD1820 Sound Voice Module with speaker the main chip: ISD1820 size: 38mm * 42.5mm the working voltage: DC 3 ~ 5V Loudspeaker: 8Omega, 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. _x000D_