3D spectacles; Binoculars; Eyeglasses; Headphones; Periscopes; Sunglasses; Telescopes; Balances; Biometric fingerprint door locks; Burglar alarms; Electric navigational instruments; Electronic calculators; Eyeglass cords; Goggles for sports; Magnifying glasses; Magnifying glasses that fit on the user's face in the manner of eyeglasses; Protective helmets for sports; Protective industrial face masks; Protective industrial respiratory masks; Smoke alarms; Smoke detectors; Tripods for cameras; V...