Audio speakers; Audio transmitter units; Battery cables; Battery chargers; Battery testers; Cell phone cases; Cell phone covers; Earphones; Earphones and headphones; Electric audio playback units; Electric audio playback units with lights and speakers; Power adapters; Power controllers; Power inverters; Power switches; Transmitters and receivers for audio and video signals for transmission over twisted pair cables; Cases for music, audio and related electronic equipment, namely, cases for aud...