Smartphones; Audio-receivers and video-receivers; Audio circuit boards; CD players; Computer hardware; Computer peripherals; Digital audio players; Earphones and headphones; Magnetically encoded identification bracelets; Recorded computer game software; Refrigerator magnets; Wearable computers in the nature of smartglasses; Wearable computers in the nature of smartwatches; Wireless headsets for smartphones; Wireless speakers; Wireless transmitters and receivers