Chargers for batteries; Countdown timers and alarms to remind a person to take or give medication and/or to remind a person of daily routines, incorporated into a wristband; GPS tracking device to be worn on the wrist of an athlete during endurance events; Loud speakers; Microphones; Motion detectors; Smartglasses; Smartwatch bands; Smartwatches; Wearable activity trackers; Wearable computers in the nature of smartwatches; Wearable global positioning system (GPS); Wearable technological devic...