Wireless headphones; Wireless ear buds; Wireless headsets for smartphones; Wireless cellular phone headsets; Wireless headsets for tablet computers; Headphones; Earpieces for remote communication; Smartphones; Mobile telephones; Cell phones; Cellular phones; Wearable activity trackers; Radio pagers; Walkie-talkies; Microphones; Sound transmitting apparatus; Covers for smartphones; Cases for smartphones; Protective films adapted for smartphones; Cabinets for loudspeakers; Global positioning sy...