Earphones; Global positioning system (GPS) apparatus; Loudspeakers; Pedometers; Smart rings; Smart watches; Virtual reality headsets; Wearable activity trackers; Weighing scales; Wireless chargers; Computers and computer peripheral devices; Electronic collars to train animals; Scales with body mass analyzers; Wearable computer peripherals in the nature of wireless mice; Wearable computers in the nature of smartglasses