Headset; wireless headset for smartphones; screen protector for tablets; virtual reality headsets; smart speaker; loudspeakers; microphones; mobile power supply [rechargeable battery]; batteries, electric; mobile phone charger; portable charger; covers for smartphones; cases for smartphones; protective films adapted for smartphones; mobile phone screen saver; special stand for mobile phone and smart phone; self timer for mobile phone; wearable activity trackers; telephone wires; wires, electric; USB cable for mobile phone; data cables; computer peripheral devices; computer software applications, downloadable; USB flash drives; covers for tablet computers; smartwatches [data processing apparatus]; wearable computers; selfie sticks [hand-held monopods]; earpieces for remote communication; flash for smart phones; face recognition device; 3D spectacles; tablet computers; data processing apparatus; integrated circuit cards [smart cards]; optical communication equipment; transponders; transmitters of electronic signals; smartphones; monitoring apparatus, other than for medical purposes; surveying apparatus and instruments; optical apparatus and instruments; materials for electricity mains [wires, cables]; power plug converter; electronic chip; chips [integrated circuits]; video screens; vacuum tubes [radio]; wireless charger; USB charger