Sony previously launched a very similar concept with the Sony QX-10 and QX-100 for its Xperia phones, to limited success. And there's the Alice Camera attaches a Micro Four Thirds camera to an iPhone.

Soon, with a simple gesture, your AirPods will be able to act as a remote control for your iPhone’s camera. There are many obvious uses for this. Whether it’s a panoramic landscape or a tricky ...