Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Module _x005f_x000D_ Condition: New _x005f_x000D_ 1. Product Features _x005f_x000D_ The product is a WTV020 chip external SD card module, supporting 32M~1GBit capacity cards; _x005f_x000D_ Supports FAT file system, SD card as storage medium; _x005f_x000D_ Supports playing WAV and 4 Bit ADCPM format files; _x005f_x000D_ Supports automatic identification of folders and voice file playback; _x005f_x000D_ Can play background music and insert advertising slogans; _x005f_x000D_ Control methods include key control, two-line control and UART232 serial port control; _x005f_x000D_ WTV main control chip has two packages, WTV020-16S0P and WTV020-20S0P, both of which are compatible; _x005f_x000D_ Can play any segment of voice; _x005f_x000D_ Working voltage: DC2.6~3.6V; _x005f_x000D_ Storage content is classified by folder for easy operation. _x005f_x000D_ Product size: 20.00x18.00x12.00mm _x005f_x000D_ Product size: 0.79x0.71x0.47inch _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x  Mini SD Card MP3 Sound Module _x005f_x000D_