3D spectacles; Acoustic meters; Batteries, electric; Battery chargers; Charging appliances for rechargeable equipment; Clothing for protection against accidents; Computer peripheral devices; Computers; Covers for telephone receivers not made of paper; Electric buzzers; Electric wires and cables; Electrical plugs and sockets; Electronic notice boards; Geiger counters; Headphones; Mobile phones; Photographic cameras; Stereoscopes; Voltage stabilizing power supply; Weighing machines