Acoustic alarms; Batteries, electric; Cabinets for loudspeakers; Computer peripheral devices; Distance measuring apparatus; Eyeglasses; Fire extinguishers; Optical lenses; Sound alarms; Sound transmitting apparatus; Spectacles; Surveying instruments; Transformers; Weighing machines; Wires, electric; Acoustic meters; Earphone accessories, namely, earphone cushions, earphone pads, cord management systems, earphone cases, and earphone extension cords; Earphones; Flashing safety lights; Headphone...