ITEM NAME:Mp3 Audio Development Board Module Kit On-Board Recording SPI Interface Description: - Can play a variety of music formats, also supports OGG real-time encoding recordin - SPI interface, the control signal line all leads - One headphones and audio output interface - A microphone for recording - 1-line_in input interface - With power indicator - On-board 3.3V and 2.5V LDO chip AMS-1117, the largest provider of 800mA - Single power supply: +5 VDC, capacitor filter Size Chart: Approx. 4.4 x 4.4cm / 1.5 x 1.5 inch Package Included: 1 Piece MP3 Development Board.A microphone for recording. - One headphones and audio output interface. - With power indicator. People always bought together with.