3D scanners; Baby monitors; Camera handles; Cell phone battery chargers; Computer hardware; Contact lenses; Digital door locks; Digital photo frames; Electrical and electronic burglar alarms; Eyeglasses; Metronomes; Microphones; 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; Refrig...