This sound module support tf card and spi-flash mp3 player as a storage mediummodule, supports wav and mp3 files, professional sound quality, built-watt amplifier;can copy files with the downloaded online and offline tf card;rs232 serial control, support from the expansion of the u-disk playback, has aunique music into the player. Can be flexibly usedin a variety of applications for the voice to explainthe class. Product features: High-quality audio output, can access 1w 8 speaker; With the busy output; Support wav, mp3 format file; With real-time clock and calendar clock module function; Spi interface, spi-flash download; An adc key interface, support for mp3 function keys of the five criteria; With a special function keys, play the next songpress once to achieve, and the song cycletracks, long press to copy the contents of the tf card to flash; Supports rs232 communication can becontrolled through the serial port or analog serial; With a tf card socket, support tf card to play; With a usb interface pins, support u disk player; Support off-line copies of the content of the tfcard or u disk to the spi-flash, copy by setisound.Mp3 file to change the power-play mode; Control playback, rapid response, and better thansimilar products; Long time stability, strong anti-interference ability.