Supports a variety of music formats including support for OGG decoding real-time recording
Audio connector for headphones
The microphone for record, integrated on the shield
Input interface line in
Power indicator
Single power supply: 5 VDC of the development boards
12,288 Mhz crystal
Slot for TF card
Decodes formats
Ogg Vorbis
MP3 = MPEG 1 & 2 Audio Layer III (CBR + VBR + ABR)
MP1 and MP2 = MPEG 1 & 2 audio layers I & II optional
MPEG4 / 2 AAC-LC (+ PNS), HE-AAC v2 (Level 3) (SBR + PS)
WMA4.0 / 4.1 / 7/8/9 (5-384 kbps)
FLAC (up to 24-bit, 48 kHz)
WAV (PCM + IMA ADPCM)
General MIDI 1 / SP-MIDI
Sources:
http://www.geeetech.com/wiki/index.php/Arduino_MP3_shield_board_with_TF_card
http://www.elecrow.com/wiki/index.php?title=VS1053_MP3_Shield
Package contents:
1 x MP3 music VS1053B Shield board with TF Slot for memory cards compatible with Arduino UNO