... speaker, not only can play MP3 files, but also external Micro SD card, TF card, unique design distinguishes itself from other common ... performanceConnecting your MP3, MP4, CD, DVD, mobile phone, notebook computer, Micro SD/ TF card, etc.Can play music by link to mobile ... for use at the office,home,carry where you goSupporting: Micro SD Card ,TF card ,U DiskFM RadioRechargeable lithium ion battery allows ...