[ 3D spectacles; Baby monitors; Blank USB flash drives; Data processing equipment, namely, couplers; Divers' masks; Dog whistles; Ear buds; Ear plugs for divers; Egg timers; Electric door bells; ] Electronic pens; Goggles for sports; [ Headphones; Hourglasses; Inverters; Loudspeakers; ] Metronomes; Microphones; [ Mouse pads; Pedometers; ] Protective helmets for sports; [ Renewable battery system to provide backup power; Safety goggles; Scales; ] Signalling whistles; [ Tablet computers; Testin...