Headphones; Microphones; Scales; Sunglasses; Baby monitors; Cabinets for loudspeakers; Cell phone cases; Digital photo frames; Electronic collars to train animals; Horns for loudspeakers; Light emitting diodes (LEDs); Monopods used to take photographs by positioning a smartphone or camera beyond the normal range of the arm; Portable and handheld digital electronic devices for recording, organizing, transmitting, manipulating, and reviewing text, data, image, and audio files; Remote video moni...