Amplifiers for wireless communications; Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; Borescopes; Ear buds; Fire alarm and emergency evacuation devices, namely, fire alarm control panels, smoke detectors, heat detectors, alarm pull stations, audible and visible notification appliances, strobes, sirens, bells, horns, and speakers; Media players; Microphones; Mouth guards for athletic use; Nose clips for swimming; Passive infrared detect...