- Pieces products as WTV020 chip external SD card module, support capacity of 32 m ~ 1 gbit card;
- Support the FAT file system, SD card for storage carrier;
- Mixer support play WAV and bit 4 ADCPM format file;
- Automatic identification of pieces support folder and audio files play;
- Pieces can play background music and spot slogan;
- Control mode has a button control, second line control and UART232 serial port control;
- Mixer WTV main control chip is WTV020-16 SOP and WTV020-20 SOP two kinds of packaging, both compatible;
- Pieces can play in any period of voice;
- Working voltage: DC2.6 ~ 3.6 V.
- Store content classified by folder, easy to operation.Video Tutorial
Click Here Product Review:https://youtu.be/S6YSTWu_6QM
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