... SD: TF MICRO SD card or the interfaceUSB: MP3 format will be the U disk / SD card reader ... , a boxFeatures:1, there are music angel M03UK U disk, TF card, MP3, SD card decoding, but also ... inserted U disk, SD + card reader, MP3, you can play music.2, Built-in TF card slot, insert ... adjusted.5, the product can not only provide pleasant background music, but also adds a pleasant flavor. This product ...