Headphones; Sunglasses; Bathroom scales; Car video recorders; Electronic collars to train animals; Fridge magnets; Global positioning system (GPS) apparatus; Keyboards for smartphones; Monopods used to take photographs by positioning a smartphone or camera beyond the normal range of the arm; Mouse mats; PC tablet mounts; Protective films adapted for smartphones; Slide calipers; Time recording apparatus; Video monitors; Wearable activity trackers; Wireless computer mice; Wireless headsets for ...