Lettore MP3 20W 9 vie modulo riproduzione vocale DC6-35V classe D scheda audio personalizzata
5, support for TF card (maximum 32G), U disk (maximum 32G) storage, TF card, U disk must be FAT32 format. 4, support for MP3, WAV decoding format, support for audio files with a maximum sampling rate of 48KHz.