Headphones; Pedometers; Smartphones; Cellular phones; Measuring apparatus, namely, sizers for rings, mouth guards; Mobile telephones; Protective cases for smartphones; Smart watches; Time recording apparatus; Waterproof cases for smart phones; Wearable activity trackers; Wearable computer peripherals in the nature of wireless mice; Wearable computers in the nature of smartglasses; Wearable computers in the nature of smartwatches; Wearable video display monitors