Description：
Product selling points:
1. Download the file to adjust the volume, the value is large, the volume is large 2. Micro USB interface, when connected to lithium batteries can be directly charged to the battery
3. Greeting card module memory capacity of 8M, button models / light-sensitive models optional
4. Super power-saving module, standby power consumption 05. can be freely set to play mode
Brief description of the function:
1, the module comes with memory, 8M optional, comes with a USB interface, plug into the computer directly display U disk, you can freely delete, replace any MP3 audio files.
2, can be external key, control playback by key, free to set the playback mode, loop or not loop.
3, can be external photoresistor, with light play, no light stop, free to set the cycle or not cycle.
4, power supply voltage: DC3.4-5V, can be connected to lithium batteries or dry batteries.
5, ultra-low power consumption design, does not work, standby power consumption of "0".
Interface Description:
1, USB: through the Micro USB cable connected to the computer to download mp3 audio files, connected to the lithium battery, you can directly charge the battery.
2, charging indicator: charging process indicates that the light is always on, full light off.
3, play indicator: in the process of playing the voice is always on.
4, support the download of multiple voice files, each time the trigger to play the next voice.