... SPI-flash (playing duration 30sec to 1000sec) Sound module, voice Chip ,soun chipFeatureWT588D module (with SPI-flash and controlling circuit) have ... DIP16,DIP28 package WT588D chip have DIP18,SSOP20 and LQFP32 package Support 2M to 32M ... current less than 10uASpport file format WAV Sound module, voice Chip ,soun chip