Audio headphones; Audio receivers; Audio recorders; Audio speakers; Audio transmitter units; Wireless adapters for computers; Wireless computer peripherals; Wireless distribution system comprising waveguides; Wireless ear buds; Wireless earbuds; Wireless earphones; Wireless headphones; Wireless headsets for smartphones; Wireless headsets for tablet computers; Wireless high definition multimedia interface adapters; Wireless indoor and outdoor speakers; Wireless microphones with integrated speakers; Wireless receivers and transmitters for portable media players; Wireless speakers; Wireless transceiver radio; Wireless transmitters and receivers; Audio dubbing apparatus; Computer network bridges; Computer hardware for wireless content delivery; Computer hardware, namely, wireless network extenders; Devices for wireless radio transmission; Electronic interconnecters for audio and video signals; Electronic products for the manipulation of the frequency, time, and amplitude characteristics of audio signals, namely, audio processors; Holders adapted for mobile telephones and smartphones; Locks, electric; Portable audio players; Transmitters and receivers for audio and video signals for transmission over twisted pair cables; USB chargers adapted for car cigarette lighter sockets