Earphones; Smartglasses; Smartwatches; Cases adapted for holding smartwatches; Devices for wireless radio transmission; Electronic devices for locating and tracking lost articles, people and pets using radio frequency, global positioning systems and cellular communication networks; Smart watches; Smart rings; Sports eyewear; Sports glasses; Stereo headphones; Terminals for radiotelephones; Wearable activity trackers; Wearable global positioning system (GPS); Wireless headsets for smartphones