downloadable computer software applications for music playback; couplers being electric couplings; computer peripherals; cases for smartphones; headphones; thin film audio speakers; loudspeakers; portable media players; personal stereos; megaphones; horns for loudspeakers; smart audio speakers; portable audio speakers; digital photo frames; cabinets for loudspeakers; wearable audio speakers; selfie sticks; wires, electric; cables, electric; electrical adapters; battery chargers; accumulators,...