MOD-MP3-X

MP3 player module with VS1053 MP3 decoder/encoder

https://www.olimex.com/Products/Modules/MP3/MOD-MP3-X/

Based on VS1053 hardware decoder for MPEG 1 & 2 audio layer 3 (ISO 11172-3), MP3+V, WAV and PCM files ; supports ADPCM encoding and decoding
supports VBR (variable bitrate) for MP3; Supports streaming
Single 1.5V battery cell operation with on board low power DC/DC voltage boost converter
On board STM32F103RBT6 microcontroller
USB mass storage device
Accepts commands for play, stop, forward, reverse through RS232 which allow easy adding voice, music to your project with microcontroller
UEXT to connect to host microcontroller (standard connector on our ARM development boards)
Can work as stand-alone MP3 player operation
SD/MMC card on board
Stereo Audio microphone jack, Stereo Audio headphones jack
Can be used to record and playback
Triple action lever switch: Forward, Reverse, Play/Pause action
PCB: FR-4, 1.5 mm (0,062"), green soldermask, white silkscreen component print
Dimensions: 60x60 mm (2.36x2.36")