SD card speaker 1.Li-on battery inside 2.SD/MMC card supported speaker 3.USB flash supported speaker 4.Volume control

SD card speaker1.SD/MMC card supported, USB flash supported 2.MP3 format decoder 3.Volume control 4.Works with all audio sources with a 3.5mm jack5.Li-on battery inside 6.Power LED indication and li-on battery charging indication 7.LED fountain running with music playing 8. USB & AV cable included

packing

QTY: 40PCS N.W.: 16.00KGS G.W.: 17.00KGS MEAS: 52.5*43*44.5CM