A headphone system , comprising: two ear cups , each ear cup comprising: an ear cup enclosure, an ear pad assembly, a hinge assembly disposed within the ear cup enclosure such that the hinge assembly is not visible from the exterior of the ear cup, and a speaker system including at least one speaker; a headband assembly configured for connecting with each of the ear cups, via the hinge assembly; a battery ; a battery charger ; an electrical input mechanism disposed in a first ear cup , the electrical input mechanism configured for receiving power from the battery charger; and at least two ear cup magnets having a same polarity disposed in the first ear cup, the ear cup magnets configured to position the electrical input mechanism for receiving power from the battery charger when the ear cup magnets are positioned proximate corresponding battery charger magnets of the battery charger, wherein the battery charger comprises: an electrical output mechanism configured for providing power to the electrical input mechanism; and at least four battery charger magnets , two of the battery charger magnets having a same polarity as the ear cup magnets and two of the battery charger magnets having a polarity that is opposite from the polarity of the ear cup magnets, wherein the battery charger magnets having the same polarity as the ear cup magnets reside proximate to, and on opposing sides of, one of the battery charger magnets having a polarity that is opposite from the polarity of the ear cup magnets, wherein the battery charger magnets having a polarity that is opposite from the polarity of the ear cup magnets are configured to align with the ear cup magnets. two ear cups , each ear cup comprising: an ear cup enclosure, an ear pad assembly, a hinge assembly disposed within the ear cup enclosure such that the hinge assembly is not visible from the exterior of the ear cup, and a speaker system including at least one speaker; an ear cup enclosure, an ear pad assembly, a hinge assembly disposed within the ear cup enclosure such that the hinge assembly is not visible from the exterior of the ear cup, and a speaker system including at least one speaker; a headband assembly configured for connecting with each of the ear cups, via the hinge assembly; a battery ; a battery charger ; an electrical input mechanism disposed in a first ear cup , the electrical input mechanism configured for receiving power from the battery charger; and at least two ear cup magnets having a same polarity disposed in the first ear cup, the ear cup magnets configured to position the electrical input mechanism for receiving power from the battery charger when the ear cup magnets are positioned proximate corresponding battery charger magnets of the battery charger, wherein the battery charger comprises: an electrical output mechanism configured for providing power to the electrical input mechanism; and at least four battery charger magnets , two of the battery charger magnets having a same polarity as the ear cup magnets and two of the battery charger magnets having a polarity that is opposite from the polarity of the ear cup magnets, wherein the battery charger magnets having the same polarity as the ear cup magnets reside proximate to, and on opposing sides of, one of the battery charger magnets having a polarity that is opposite from the polarity of the ear cup magnets, wherein the battery charger magnets having a polarity that is opposite from the polarity of the ear cup magnets are configured to align with the ear cup magnets. <EOS>