Antennas; Batteries; Battery chargers; Chargers for batteries; Chargers for electric batteries; Data processing apparatus; Eyeglass cases; Eyeglass frames; Eyeglasses; Intercoms; Masts for wireless aerials; Radios; Spectacle lenses; Transmitters of electronic signals; Transponders; Two-way radios; USB (universal serial bus) hardware; USB cables; USB hubs; Walkie-talkies; Wearable activity trackers; Cell phone battery chargers; Measuring couplings for measuring temperature, pressure, quantity ...