Check the listing for details. ISD1820 Sound/Voice Board Recording and Playback Module. Condition: New. Listed at 7.98 USD. Package: 1x ISD1820 Module 1x Loudspeaker 1x Free cable Feature: the main chip: ISD1820 size: 38mm * 42.5mm the working voltage: DC 3 ~ 5V Loudspeaker: 8Ω, 0.5W. 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; Contact Us (1) We strive to provide the best service as possible, commit to resolve all problems and give fast shipping. (2) Please contact us before giving any negative feedback. If you have any questions, please do not hesitate to contact us. Payment (1) All payments must be prepaid and cleared. (2) We only accept Paypal payment. After checkout, please make through Paypal service. Shipping (1) Buyer is responsible for any incorrect address and undeliverable address. We reserve the right to charge the shipping fee again for returned items due to wrong address. We take the paypal address as your shipping address. Please make sure your shipping address is correct during check out. (2) Your order will be shipped within 24 hours after payment is cleared (Sat. & Sun. excluded and holidays) (3) We ship orders using USPS (United States Postal Service). The shipment usually takes 2-4 business days, excluding holidays, Saturday and Sunday (4) Local pick up is not available. (5) No International Shipping. Warranty (1) This product has a 30-day warranty. (2) Warranty does not extended to any products that are buyer's negligence, abuse, misuse, improper installation or physically damaged on the buyer or user's part. (3) Please contact us before making a replacement or refund. (4) In case of returning, buyer must pay their own postage and shipping fees for replacement or refund. We will provide replacement or refund after product is received.