http://www.techradar.com/news/best-running-headphones-to-buy-in-2017

For some people, the idea of running without motivational tunes is horrifying,  and for those who do love a bit of music to speed them along to a personal best, Bluetooth wireless headphones are the best things to happen since Survivor released Eye of the Tiger. 

The days of cables flapping around, tangling in knots and dragging the buds out of our ears have mostly been consigned to history thanks to the proliferation of the new wireless technology.