Audio amplifiers; Audio recorders; Computer hardware and peripheral devices; Earphone accessories, namely, earphone cushions, earphone pads, cord management systems, earphone cases, and earphone extension cords; Earphones; Headphones; Headsets for mobile telephones; Headsets for telephones; MP3 players; MP4 players; PC tablets; Speaker microphones; Virtual reality glasses; Audio headphones; Audio speakers; Music headphones; Portable vibration speakers; Stereo headphones; Wireless headsets for...