MP3 sound module, USB port, 128 MB memory, rechargeable battery, speaker, 3 buttons to operate: Amazon.de: Computer & Accessories
ALMOCN YX5200 DFPlayer Mini MP3 Player Audio Modul MP3 Voice Decode Board unterstützt TF-Karte U-Disk IO/Serial Port/AD für Arduino: Amazon.de: Elektronik & Foto