Audio- and video-receivers; Baby monitors; Camcorders; Cameras; Cell phones; DVD players; Electronic book readers; Gesture recognition software; Global positioning system (GPS); GPS tracking devices; Loudspeakers; Mobile phones; Pedometers; Portable video cameras with built-in videocassette recorders; Portable media players; Portable telephones; Portable vibration speakers; Rechargeable batteries; Renewable battery system to provide backup power; Safety and driving assistant system for mobile...