Oppo demoes Air Charging on Oppo X 2021 rollable phone

MWC Shanghai is officially underway and Oppo used the event to show out a prototype Air Charger working in tandem with its Oppo X 2021 rollable concept. The short 30-second video shows the phone charging at all times from laying flat on the surface to being at an arm's length away. There’s not much detail as to how...