Audio amplifiers; Audio dubbing apparatus; Battery chargers; Cabinets for loudspeakers; Covers for smartphones; Devices for wireless radio transmission; Earphones and headphones; Electronic switchers for audio and video signals; Headphones; Loudspeakers; Portable media players; Power adapters; Protective films adapted for smartphones; Set-top boxes; Straps for mobile phones; USB cables; USB charging ports; Wearable activity trackers; Wireless chargers; Wireless headsets for smartphones