... -record module, MP3 module, Voice module--serial embedded moduleMP3 Modules Built-in Memory, WT8601M02 sound module, message module Features* Support 8Kbps ~ ... Advantages* Built-in NAND FLASH. This is other MP3 modules are not available in market. the biggest advantages of built ... serial interface control mode, which is not available in other modules. It is trasffer any section of voice/ music/ song ...