Acoustic meters; Battery charge devices; Cameras; Car navigation computers; Cases for smartphones; Cell phone cases; Electronic locks; Headgear being protective helmets; Headsets for mobile telephones; Headsets for telephones; Headsets for use with computers; Luminous variable/dynamic signs using light emitting diodes and electronic controllers to produce real-time and programmable messages and information displays; Monitoring devices for monitoring battery performance characteristics; Pedome...