Why your device and your charger should talk over BLE

An increasing number of devices are shedding their cords, becoming more portable and more convenient to use, like the should-be-here-any-minute-now Apple AirPods and other hearables and headphones. But the act of charging, for the most part, still has people reaching for a wire to plug into their smartphone, tablet, laptop, or any device that is otherwise wireless.

http://embedded-computing.com/guest-blogs/why-your-device-and-your-charger-should-talk-over-ble/