Loudspeakers; Microphones; Adapter cables for headphones; Earphone accessories, namely, earphone cushions, earphone pads, earphone cases, and earphone extension cords; Earphones and headphones; Electric charging cables; Eyewear, namely, sunglasses, eyeglasses and ophthalmic frames and cases therefor; Headsets for telephones; Headsets for virtual reality games; In-ear monitors not for medical purposes; Sound transmitting apparatus; Wearable activity trackers; Wireless chargers; Wireless headsets for smartphones; Wireless transmitters and receivers