Tablet computers; Covers for tablet computers; Computer peripheral devices; USB flash drives; Chronographs (time recording apparatus); Phototelegraphy apparatus; Scales; Slide calipers; Aerials; Mobile telephones; Global positioning system (GPS) apparatus; Navigational instruments; Transmitters of electronic signals; Cabinets for loudspeakers; Earphones (other than hearing aids for the deaf); Headphones; Audio and video receivers; Protection devices for personal use against accidents; Spectacles; Batteries, electric; Tripods for cameras; Selfie sticks (hand held monopods); Distance measuring apparatus; Cables, electric