Specifications:
- SPI interface, the control signal lines are led out
- A headphone and stereo output
- Onboard Microphone for recording
- A line-in input interface
- Separate 3.5 mm Jack for MIC and Speaker
- Onboard Power Indicator
- 3.3V and 2.8V of LDO chip AMS-1117 on board provides up to 800mA current
- Can play a variety of music formats, support for OGG encoding real-time recording
- A single power supply: +5 VDC
- 12.288 Mhz crystal
- TF card slot