[ Battery chargers; Cabinets for loudspeakers; Calculators; Cameras; Computer keyboards; Computer mouse; Distance measuring apparatus; ] Electric door bells; [ Electric power converters; Electrical plugs and sockets; ] Headphones [ ; Microphones; Power supplies; Rechargeable electric batteries; Scales; Smoke detectors; Temperature indicators; Theft alarms; Time recording apparatus; Time switches, automatic; Vehicle breakdown warning triangles ]