Headphones; Microphones; Adapter plugs; Battery chargers; Calculating machines; Car televisions; Cell phone battery chargers for use in vehicles; Covers for smartphones; Notebook computers; Palmtop computers; Portable and handheld digital electronic devices for recording, organizing, transmitting, manipulating, and reviewing text, data, image, and audio files; Rechargeable batteries; Self-timers; Soundbar speakers; Tape recorders; Touch screens; Video recorders