Oakley and Intel's sunglasses put a personal trainer in your ears
 

Running can be a pretty lonely sport, but you may soon get a companion that's always ready to go. Oakley and Intel teamed up to create a sunglasses-with-smart-earbuds hybrid that will tell you how you're doing during your run or bike ride. The Oakley...

https://www.engadget.com/2016/09/22/...pace-hands-on/