This module with MP3 mode, key mode(control 3 group of voice with volume adjustment or 5group of voice), two line serial mode, and Loop play mode(after power on ,the module will play loop, with memory function in the mode) They are optional. Customers can choose one of the modes in a module. Also can be customized.

Features

• The product supports plug-maximum the 1G capacity of the SD card
• Supports playback of 4Bit ADPCM format files
• Automatically recognize the voice files
• Loadable 6KHz to 32KHz, 36KHz sampling rate AD4 audio
• Loadable 6KHz ~ 16KHz sampling rate WAV audio
• 16bitDAC and PWM audio output
• Can store up to 512 voice
• WTV020-SD-20S, WTV020-SD-16P two module types
• Support micro-processor and key control
• Voice playback can call any paragraph
• Power-down save operation data capabilities
• Loaded voice without software assistance to the SD card can be placed directly on the voice
• Support file combination play, including mute combination
• Operating voltage: DC 2.5 ~ 3.6V
• Quiescent Current: 16uA (SD card is not inserted)