Headsets; Intercoms; Bicycle helmets; Flashing safety lights for helmets; Helmets for motorcyclists; Personal headphones for use with sound transmitting systems; Radio receivers and radio signal tuners; Radio receivers and transmitters; Safety helmets; Signalling lights; Sports helmets; Visors for helmets; Communications headsets for use with communication radios, intercom systems, or other communications network transceivers; Telephone headsets; Wireless headsets for smartphones