DFRobot DFR0768 DFPlayer Pro Module is a mini powerful MP3 player module that supports four controlling modes like Arduino, AT command, on-board buttons, and ADKEY. This mp3 module features stereo dual-channel output, support the USB cable to copy music, and can be used as a sound card for the PC or Raspberry Pi. The DFR0768 DFPlayer comes with an on-board 128MB high-speed storage. This module operates at >20mA current and 3.3V to 5V power supply.