... with comepetitive price 3. Pure and elegant sound qualit mini mp3 speaker box Features:Supports Micro SD/TF card, USB disk, ... etc.Supports Line IN function, receiving the audio source from MP3, MP4, PC, Notebook, etc.Long standby, hi-fi ... sound, super bass.Built-in high capacity rechargable battery, support long play.Elegant and stylish ... .5 KGMEAS:50*50*27.5 CM mini mp3 speaker box