Smart rings; Smartwatches; Encoded identification bracelets, magnetic; GPS tracking device to be worn on the wrist of an athlete during endurance events; Smartphones in the shape of a watch; Wearable activity trackers; Motion sensors; Telecommunication apparatus in the nature of wireless receivers in the form of jewellery; Portable media players; Wearable video display monitors; Electric or electronic sensors for sensing motion, position, temperature, and biometric data; Downloadable electron...