Mini Speaker 1.FM mini speaker 2.USB mini speaker 3.TF card mini speaker 4.Ipod,Ipad,iphone, Mp3 mini speaker Can play all types ... function, can be an attachment notebook, mp3, m4, iphone USB player slot and TFcard slot, wireless play music. Rechargeable Li-battery ... , worry-free power exausted with this mini speaker Applicable to MP3, MP4, Laptop, PC, MID, Mobile phone, etc ...