Portable Vibration Speaker 1)Mini speaker for iPod,Iphone,MP4 2)360degree surround sound 3) ... :Black,Red,White• Charging Voltage:4.2-5V• Power Input:Mini USB(5V/500ma)• Charging Time:About 3 hours• Li Battery ... :PC,MP3,MP4,MD,CD,DVD player,Mobile phone,etc • Mini Speaker*1• USB Cable with 3.5mm Audio Jack*1 ...