Product selling points: 1. Download the file to adjust the volume. If the value is high, the volume will increase
2. Micro USB interface, which can directly charge the lithium battery when connected
3. Greeting card module has a memory capacity of 8M, with optional button/light sensitive options
4. Ultra power-saving module, standby power consumption 0
5. You can freely set the playback mode
Function description: 1. The module comes with built-in memory, 8M optional, and comes with a USB interface. It can be inserted into the computer to directly display a USB flash drive, allowing you to freely delete or replace any MP3 audio files.
2. External buttons can be used to control playback and freely set the playback mode, with or without cycling.
3. It can be connected with an external Photoresistor, play with light, stop without light, and set the cycle or no cycle freely.
4. Power supply voltage: DC3.4-5V, which can be connected to lithium battery or Dry cell.
5. Super Low-power electronics, when not working, the standby power consumption is "0".
Interface Description: 1. USB: Connect to the computer through a Micro USB data cable to download MP3 audio files. When connected to a lithium battery, the battery can be directly charged;
2. Charging indicator light: The indicator light remains on during the charging process, while the fully charged light is off;
3. Play indicator light: Always on during voice playback;
4. Support downloading multiple voice files and playing the next voice every time triggered;
Shipping list: Module X1