Earpieces for remote communication; headphones; ear pads for headphones; electrical adapters; wires, electric; materials for electricity mains [wires. cables]; battery boxes; battery chargers: batteries, electric; diaphragms [acoustics]; horns for loudspeakers: loudspeakers; Cases for smartphones; covers for smartphones; protective films adapted for smartphones; stands adapted for laptops; data processing apparatus; wearable computers; wearable activity trackers; wearable video display monitors.