Brand N/A Model WTV020-SD Quantity 1 Color Blue + black Material CCL Features The module is with MP3 mode key mode (control 3 groups of voice with volume adjustment or 5 groups of voice) 2-line serial mode and loop play mode (activated after power on with memory function in this mode). MP3 mode: with play / stop next previous vol+ vol- functions; key mode (3 groups of voice): one key triggers one groups of voice and with vol- vol+ with all keys default trigger modes being edge retrigger; key mode (5 groups of voice): one key trigger one group of voice: 1. All keys are edge retrigger 2. All keys are on / off (voice doesn't cycle when finished) 3. All keys are on / off (voice cycles when finished; Loop play mode: after power on the voice will play automatically with memory function no need to trigger the I/O (if the power is cut off while playing voice 2 it will start from voice 2 or voice 3 when the power is turned on again) 3. It can be customized for specific function; 2-line serial mode: WTV020-SD is controlled by MCU sending data through CLK and DI which can play voices in any address. Voices including mute can be combined to play in this mode. When changing voice by SD card reader and PC the SD card should be FAT format; sampling rate is supported from 6KHz to 32KHz and 32KHz for AD4 voice format 6KHz~16KHz for WAV voice format. Specification Support 1GB SD card max. or SPI flash 64MB max.; support 4 bit ADCPM format files; sampling rate from 6KHz to 36KHz for AD4 voice format; sampling rate from 6KHz to 16KHz for WAV voice format; 16 bit DAC / PWM audio output; key mode MP3 mode 2-line serial mode are optional; support copy files to SD card via PC; working voltage: DC 2.7~3.5V; quiescent current: 3uA. Application This module can be used in automobile (car bug parking radar GPS navigation system) intelligent home system housing bug voice medical device household appliance (induction cook rice cook microwave oven) game player learning machine (speaking book)intelligent traffic facilities (tool gate parking lot) communication equipment industrial control toys etc. English Manual/Spec http://m5.img.dxcdn.com/CDDriver/CD/sku.231512.pdf Packing List 1 x Module