Pioneer HLA42VCA Head Phone Pioneer Rayz Plus Lightning Powered noise cancelling earphones are the first to let you listen or talk on your iPhone at the same time you are charging it. What is more they give you the power to personalise your listening experience. Smart Noise Cancelling technology adapts to your ear and the sounds around you. There is also a Smart Button you can customize to bring up your favourite app, mute or unmute a call or launch the Rayz app at a single touch. The free Rayz app itself lets you personalise your earphone and Smart Button settings.