[ Audio-receivers and video-receivers; Battery chargers; Cabinets for loudspeakers; ] Cases for smartphones; Covers for smartphones; [ Data processing equipment, namely, couplers; ] Electrical connectors; Electrical plugs and sockets; [ Headphones; Microphones; Mouse pads; ] Plug connectors; [ Portable media players; ] Smartglasses; Sunglasses [ ; Wearable activity trackers ]