Cabinets for loudspeakers; Car video recorders; Computer hardware; Earphones; Headphones; Portable media players; Power supplies; Renewable battery system to provide backup power; Security surveillance robots; Smartwatches; Wearable video display monitors

Acoustic sound alarms; Cabinets for loudspeakers; Downloadable music files; Electric connections; Electrical plugs and sockets; Headphones; Horns for loudspeakers; Loudspeakers; Megaphones; Microphones; Pickups; Portable vibration speakers; Remote video monitoring system consisting primarily of a camera and video monitor for recording and transmitting images to a remote location; Switches, electric; Wearable computer peripherals; Wireless headsets for smartphones; Acoustic membranes; Cabinets...