... format.(8Bit / 16Bit, mono, wav) audio module, sound module for book or toy, voice module , music module WT588D-14P ... ,built-in flash memory.* Flash type re-programmable sound module* Total duration 1057 seconds maximum at 6 ... D/A converter, 12Bit PWM output with good sound quality* Optional PWM or DAC audio output* PWM ... progrmmer of WT588D-16P voice module, sound module for book or toy, Programmable ...