Main Function >Intelligently play Micro SD card and U disk    >Use as card reader     >Support record mode     >Built-in FM radio, automatically search channel    >Built-in MP3 / WMA decoding function    >AUX input:mobilephone/PC/MP3 player etc.   >Support breakpoint marked, makes you continue the music from shut down position    >Support earphone output      >Support clock/calendar/alarm clock    >Synchronized lyrics displayed on LCD screen   Specification Loudspeaker:1.5 inches 4    Output Power:5W     Frequency Response:90Hz-20KHz    Sensitivity:80db2db     SNR:80dB    THD:0.3%    USB Interface:USB2.0, USB1.1     Product Size:W185D35H67mm   N.W.:250g    Power Supply:External Li-battery(Nokia BL-5C) / USB    Supply voltage:DC5V    Color:Black/Red/Blue