Audio amplifiers; Audio cables; Audio cassette players; Audio circuit boards; Audio dubbing apparatus; Audio headphones; Audio interfaces; Audio mixers; Audio recorders; Audio speakers; Audio tapes featuring music; Audio-video receivers; Batteries and battery chargers; Batteries and battery chargers for intravenous fluid delivery apparatus; Battery chargers; Battery chargers for laptop computers; Battery chargers for mobile phones; Battery chargers for tablet computers; Battery chargers for use with telephones; Cable connectors; Cable jump leads; Cable locators; Cable modems; Cable television converters; Cable television transmitters; Camera filters; Chargers for batteries; Digital cameras; Digital multimeters; Digital notepads; Digital phones; Digital plotters; Digital signage; Digital telephones; Electric charging cables; Headsets for cellular or mobile phones; Headsets for telephones; Headsets for use with computers; USB cables; USB charging ports; USB computer security key; USB hubs; Cell phone battery chargers; Digital audio players; Digital audio tape players; Echo sounding devices; Electric wire and cable; Engine cut-out devices; Fax devices; Filters for optical devices; Lens filters; Micro USB ports; Microscope illuminating devices; Semiconductor devices; Solar-powered battery chargers; Telephone call router, for home and office touchtone phones, for international and long distance calls made from various telephony platforms including VoIP platform without the requirement for internet; Telephone call routers for long distance calls made through PSTN and VoIP platforms from any touchtone phone without a requirement for internet access; Telephone headsets; Threaded cable connectors of metal; Track ball input devices; Wire diameter measuring devices; Wireless cellular phone headsets