mini speakers which is the perfect combination of classic and modern,, the Boutique in the speakers 1.New mini aluminum diaphragm loudspeaker bass, treble ... box, can move connected MP3, MP4, CD, DVD. The IPOD. The IPHONE. The PSP. Cell phone. Laptop electricity Brain. U plate. TF ... give you more choices. 5.Independent battery-powered, then the computer USB power, no longer use USB because long battery ...