Headphones; Hygrometers; Loudspeakers; Pedometers; Scales; Sunglasses; Acoustic membranes; Air analysis apparatus; Audio- and video-receivers; Cabinets for loudspeakers; Chargers for electronic cigarettes; Chronographs for use as specialized time recording apparatuses; Data processing equipment, namely, couplers; Electronic pens; Thermometers, not for medical purposes