... mini speaker Applicable to MP3, MP4, Laptop, PC, MID, Mobile phone, etc…all kinds of digital audio players.Specification: Appearance Material ... interfaces, TF card slot. Digital display, hidden KURA lens, card, U disk function, with FM LINE function with a earphone, external battery ... , can be used to design the pen and desktop, mobile phone, MP3, MP4, MP5, apples, etc., can be easily connected to ...