Binoculars; [ Cell phones; Computer hardware; Computer mouse; Electric sensors; ] Filters for optical devices; [ Headphones; Power supplies; Protection and safety apparatus, namely, inflatable flotation devices; Radios; Rechargeable electric batteries; Scales; Slide calipers; Sound transmitting apparatus; ] Spectacles; [ Surveying instruments; Teaching apparatus in the nature of a guard that is attached to the body of a woodwind instrument for music instruction; ] Telescopes; [ Theft alarms; ...