This part is a kind of semiconductor called ISD1820.

Function of this product has Voice Record Module.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

ISD1820 Voice Record Module is base on ISD1820, which a multiple-message record/playback device. It can offers true single-chip voice recording, no-volatile storage, and playback capability for 8 to 20 seconds. The sample is 3.2k and the total 20s for the Recorder. This module use is very easy which you could direct control by push button on board or by Microcontroller such as Arduino, STM32, ChipKit etc. Frome these, you can easy control record , playback and repeat and so on. Feature         Push-button interface, playback can be edge or level activated Automatic power-dwon mode On-chip 8Ω speaker driver Signal 3V Power Supply Can be controlled both manually or by MCU Sample rate and duration changable by replacing a single resistor Record up to 20 seconds of [ ... ]

ISD1820 PDF Datasheet Download