Bang & Olufsen designs and develops audio and video products. The company's product portfolio comprises bluetooth speakers, televisions, music systems, loudspeakers and in-ceiling and in-wall speakers. It also offers wireless speaker systems, earphones, sound systems, and accessories. Based on the fact that no two heads are created alike, Bang & Olufsen designed a stereo headphone that could comfortably fit any head automatically and regardless of size, shape and profile. This was made possible by the design that allowed for the weight to be carried by the top of the head and not the ears.