... wireless play music.Rechargeable Li-battery, worry-free power exausted with this mini speaker Applicable to MP3, MP4, Laptop, PC, ... Digital display, hidden KURA lens, card, U disk function, with FM LINE function with a earphone, external battery BL-5C, the shell over ... music, movies and games to provide high-quality sound, with volume control, adjust the volume according to individual needs Applicable ...