SMAKN&reg; Mini SD Card MP3 Sound Module For PIC Arduino WTV020-SD-16P NEW his Mp3 sound module version of V1.1 is updated version of V1.0 and have all of the function of V1.0. The SD card are not include in this item list, the SD card in the picture is just to help customer to find the correct SD card for this item. WTV020-SD module is a reusable mass storage voice module ,can plug a maximum capacity of 1GB SD card memory and can load the WAV and AD4 audio .The voice module uses WTV020SD-20S as the core chip , with MP3 control mode, one to one key control mode, power on loop control mode and the two-line serial control mode.