Amplifiers; Bullhorns; Headsets; Microphones; Audio and visual headsets for use in playing video games; Baby monitors; CD players; Headphones in the form of headbands; Smart home hubs comprised of voice-activated speakers, computer hardware, and downloadable software for controlling networked devices in the internet of things (IoT), operating internet-enabled and connected lighting apparatus and home security alarms; Virtual reality headsets; Wearable electronic proximity sensors with embedde...