Apple's AirPods could deliver audio with multiple wireless protocols

Amazing technology crammed in Apple's AirPods may have made the so-called courageous plan to remove the headphone jack from the iPhone 7 much easier.The earphones haven't shipped yet. It's still unclear whether buyers will want to invest US $159 in AirPods, which are being forced on iPhone 7 buyers, according to critics.Many wireless earphones are already available, but according to one analyst, AirPods are the most advanced. They have unique technologies not found in other earphones, all o