Loudspeakers; headsets for telephones; wireless headphones; communications headsets for use with communication radios, intercom systems, or other communications network transceivers; headphone-microphone combinations; wireless headsets for smartphones; headsets for use with computers; batteries; rechargeable batteries; power units in the nature of batteries
Loudspeakers; headsets for telephones; wireless headphones; communications headsets for use with communication radios, intercom systems, or other communications network transceivers; headphone-microphone combinations; wireless headsets for smartphones; headsets for use with computers; batteries; rechargeable batteries; power units in the nature of batteries
Loudspeakers; headsets for telephones; wireless headphones; communicat...