Baby monitors; Baby scales; Burglar alarms; Car televisions; Car video recorders; Digital door locks; Earphones and headphones; Electric door bells; Electronic access control systems for interlocking doors; Electronic switchers for audio and video signals; GPS navigation device; Keyboards for mobile phones; Magnifying peepholes for doors; Pedometers; Scales; Slide calipers; Smartphone mounts; Tire-pressure measurers; Virtual reality glasses; Wearable activity trackers