1. In addition to playing various music formats, the VS1053 module also supports OGG real-time encoding recording 2. SPI interface, control signal lines are all led out 3. 1 headphone and audio output interface 4. 1 microphone for recording 5. 1 line_in input interface Power indicator Onboard 3.3V and 1.8V LDO chip AMS-1117, providing 800mA current Single power supply: +5VDC, capacitor filtering 12.288Mhz crystal oscillator Note:due to the different factory batches, if there is a slight difference in the words in kind, it will not affect the use. Color:Red Material:PCB Package Contents: 1 * VS1053 module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.