Features:
- Adopts a high-quality MP3 decoder chip on the board.
- Works with most Windows, Mac, and Linux systems
- Built-in a 4MB flash memory that can store max. 4 minutes long MP3 file based on 128Kbps.
- Update the MP3 audio file through the micro USB port on the computer.
- Supports to store one MP3 audio file only in the flash memory.
- On-board 1watt amplifier that is able to directly drive a 1W 8ohm speaker.
- 3.7V to 5V DC power input.
- Supports 3.7V/4.2V rechargeable lithium battery to be the power supply.
- Built-in the recharging circuits on the board, and lithium battery can be recharged through the micro USB port.
- The length of all of the lead wires is 100mm by default.
- Stable performance and beautiful sound output.
- PCB size: 32mmx22mm
- Diameter of Speaker: 40mm
Technical Perimeters:
- Working voltage: 3.7V to 5V DC
- Working current: ≤100mA (Input: 4.5V DC)
- Quiescent Current: 350uA
- Power Consumption: ≤100mA
- Flash memory size: 4MBytes(32Mbits)
- Audio format: MP3
Documentation and Downloads
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