Our electronics writer brought the AirPods Max and Sony XM6 everywhere, from his last vacation to his daily commute, to find out which pair of noise-canceling headphones reigns supreme.

At the time of writing, it’s unclear which AirPods will support these new Charging Notifications. It’s likely that older AirPods models that Apple no longer sells — such as AirPods (2nd-Gen) and AirPods 3 — will support them.