nice design,colour optional, play usb/sd/mmc and fm scan. with rechargeable li battery. line in Nice music mini speaker for MP3, MP4, mobile phone, iPod , iPad , iPhone, PC, laptop, etcPure and clear sound takes you into a perfect music world.ABS plastic caseEasy and convenient USB, SD/TF CARD, FM, AUX-IN, digital LED display mini portable speakerBattery: Nokia li-ion battery and disassemble, DC- ...