Electrical and electronic burglar alarms; Smartwatches; Protective covers and cases for tablet computers; Cell phone cases; Chargers for batteries; Electric door bells; Headphones; Electronic writing tablets; Smoke alarms; Gas alarms; Wireless chargers; Infrared detectors; Wearable activity trackers; Protective films adapted for smartphones; Communications headsets for use with communication radios, intercom systems, or other communications network transceivers