Headphones; Headsets for playing video games; Earphone accessories, namely, earphone cushions, earphone pads, earphone cases, and earphone extension cords; Headphones in the form of headbands; Wireless headphones; Noise cancelling headphones; Loudspeaker cabinets; Wireless speakers; Chargers for electric batteries; Wearable activity trackers; Intercoms; Audio-video receivers; Wireless transmitters and receivers; Radio transmitters for remote controls; Wireless electronic devices for locating ...