sound suppression devices, namely, ear muffs for soundproofing, ear plugs for soundproofing, headsets and audio systems; earphones and headphones in the form of ear muffs; earphones and headphones in the form of ear plugs; sound enhancement devices, namely, electric circuits, electronics circuits, computer chips, speech enhancement processors, signal processors, sound amplification, silencer and noise elimination circuitry for use in and/or together with headphones in the form of ear muffs, e...

Children's educational toys for developing fine and gross motor skills, cognitive growth, problem solving skills, social interaction skills, and language development