Abstract: A speaker system for stereoscopic sounds comprising a first loudspeaker and a second loudspeaker. The first loudspeaker comprising a first speaker cabinet part enclosing a first speaker unit for outputting sound, a wireless communications module for communicating with a mobile device such as a smartphone and/or said second loudspeaker. The first loudspeaker having a first shape defining a first cavity.

Abstract: The invention pertains to a set of bicycle lamps for detachable mounting on a tubular structure of a bicycle, said set of lamps comprising a front lamp and a rear lamp, each of said lamps comprising: a substantially cylindrical light emitting element for emitting visible light of a specific wave length or a specific wave length range, a housing attached to said light emitting element, said housing comprising a power supply for supplying electrical energy to the light emitting element, the housing having a component with dimensions resembling the dimensions of a segment of said tubular structure and said substantially cylindrical light emitting element, said two lamps of said set of lamps being adapted to be connected to one another to form a body having a substantially elliptical cross section with one of the focal points of the ellipse being within the one of said cylindrical light emitting elements and the other focal point of the ellipse within the other of said cylindrical light emitting elements