Quantity 1 Piece 
<br />Specification
<br />Sampling frequency 8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48kHz 
<br />Supported  File Format MP3 / WAV 
<br />Adjustable Volume 30 class 
<br />Playback Mode UART TTL serial control 
<br />Baud Rate 9600bps 
<br />Power 3.2 ~ 5.2VDC 
<br />Dimensions & Weight (Main Product)
<br />Dimension 50x24x12mm 
<br />Weight 6g 
<br />Package Contents
<br />1x Serial MP3 Player module