... design,colour optional, play usb/sd/mmcand fm scan. with rechargeable li battery. line in Nice music mini speaker for MP3, ... ABS plastic caseEasy and convenient USB, SD/TF CARD, FM, AUX-IN, digital LED display mini portable speakerBattery: Nokia li-ion battery ... -5V: Direct current 5V(500ma) power adaptor, use USB power supply Portable mini speaker with CCC, CE, FCC, RoHS certificates.Parameter:output ...