100% Brand New & High Quality

• Specifications:
  Capacity: 32M to1G capacity of the SD card;
  Loadable sampling rate :6KHz to 32KHz, 36KHz sampling rate of AD4 audio,6KHz to 16KHz sampling rate of WAV audio
  Audio output: 16bitDAC and PWM
  Maximum voice storage: 512 voice
  2 module types : WTV020-SD-20S and WTV020-SD-16P
  Supports FAT files system.
  Supports playback of WAV and 4Bit ADPCM format files;
  It can play background music and inter-cut slogans.
  Operating voltage: DC 2.6 to 3.6V
  Quiescent current: 16 uA (SD card is not inserted)
  Control ways: key control, two-line control, and UART232 serial port control.
• Application:
  Vehicle electronic product, intelligent housing system, voice prompt of medical appliance, household appliances and so on.