Smartphones; Accumulator boxes; Batteries, electric; Battery chargers; Cabinets for loudspeakers; Car video recorders; Computer keyboards; Covers for smartphones; Earphones and headphones; Electric cables; Electric door bells; Electrical adapters; Global positioning system (GPS) apparatus; Monopods used to take photographs by positioning a smartphone or camera beyond the normal range of the arm; Mouse pads; Photovoltaic cells; Power supplies; Rechargeable electric batteries; Solar batteries; Solar panels for the production of electricity; Wearable activity trackers