Earphones; Headphones; Loudspeakers; Microphones; Smartwatches; Audio-receivers and video-receivers; Cabinets for loudspeakers; Cables, electric; Computer mouse; Data processing equipment, namely, couplers; Digital to analog converters (DACs); Horns for loudspeakers; Interfaces for computers; Optical disc drives; Selfie sticks; Set-top boxes; Sound transmitting apparatus; Stands adapted for laptops; USB wireless routers; Wearable activity trackers; MP4 players