OB-4 Magic Radio: BlackBy teenage engineering Introducing OB4, the magic radio the incredible sounding portable hi fi stereo with line in, wireless audio, and the evolution of radio. OB4 memorizes everything you play on an endless looping tape. Rewind the radio and remix anything. Comes with a folding handle that doubles as a stand. Ultra power efficient with up to a week of music listening. Natural Sound: Four tailor engineered speaker elements deliver pure quality sound