Aerials; Audio-receivers and video-receivers; Cell phone cases; Cell phone covers; Compact disc players; DVD players; Electrical and electronic burglar alarms; Global positioning system (GPS) apparatus; Headphones; Horns for loudspeakers; Laptop computers; Monitoring devices for monitoring battery performance characteristics; Navigation apparatus for vehicles; Navigational instruments for vehicles; Portable media players; Radio receivers and radio signal tuners; Radio sets; Radio telephones; ...