Here comes the DFPlayer Pro---A mini simple but powerful MP3 Player! This MP3 player module supports four controlling modes: Arduino, AT command, on-board buttons, and ADKEY. You can directly press the on-board button to play or switch music without using a controller. Moreover, this player module has 128MB of storage. By using a USB cable, you can easily copy your favourite songs into this module to play them anywhere you want, or use it as a sound card for your PC or Raspberry Pi after connecting them. Features * On-board 128MB High-speed Storage * Playback Switch by Button * Dual-channel * Support analog U-disk Applications * DIY Plush Toys * Handmade Personalized Gift * Musical Alarm Clock * USB Sound Card Specifications * Power Supply: 3.3V~5V * Operating Current: >20mA * Storage: 128MB * Audio Format: MP3, WAV, WMA, FLAC, AAC, APE * Communication: UART * Operating Temperature: -20℃~70℃ * Operating Humidity: 5%RH~95%RH * Dimension: 23*24.5mm/0.91*0.96” Documents * Product wiki Shipping List * DFPlayer PRO - A MP3 Player x1 * 2.54-6P Black Single-Row Pin x2 Tutorial * MP3 Module Selection Guide Arduino DFRobotEnglish 2021-03-30 https://elecena.pl/product/27744541/dfrobot-fermion-dfplayer-pro-a-mini-mp3-player-with-on-board-128mb-storage-breakout 2025-01-23 https://elecena.pl/product/27744541/dfrobot-fermion-dfplayer-pro-a-mini-mp3-player-with-on-board-128mb-storage-breakout 2025-07-04 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