1. Powerful function: VS1053 module, in addition to playing a variety of music formats, but also supports OGG real-time encoding recording
2. SPI interface: the module adopts SPI interface, all control signal lines are led out, which can be easily and flexibly integrated into different projects
3. Multiple audio interfaces: a headphone and speaker output, a microphone input for recording, and a line input, providing a variety of audio connection options, the module also includes a LED power indicator for easy monitoring
4. On-board power supply: the development board is equipped with the AMS-1117 LDO chip, providing 3.3V and 2.5V outputs and up to 800mA of current
5. Single power supply: the module is powered by a single +5VDC power supply, and capacitive filtering technology is used in the design to improve stability; the 12.288MHz crystal oscillator further improves the modules precision and accuracy
6. Weight: about 16.8g