Sporting Portable Mini Speaker with MICRO SD card 1.built-in MICRO SD/lithium battery. 2.Certificate: FCC, ... CE,ROSH Sporting Portable Mini Speaker with MICRO SD card,portable mini speaker, mp3 mini speaker Specification: Connect playing with ... , built-in MICRO SD/lithium battery, decoded play function. TF card Packing Information: Product Size 81.5*50.5*53mmBox size ...