Dream of mid-air wireless charging teased with rollable Oppo X

Oppo has teased a new wireless charging solution that works when a phone is up to 10 cm (3.9 inches) away from a charging pad. The company has shown off its Wireless Air Charging tech in a 30-second clip on its Weibo page to coincide with MWC Shanghai. The clip shows the Oppo X 2021 rollable concept phone, announced in November, charging above the pad, even when held at an angle. The technology offers charging speeds of up to 7.5W, Oppo says.

The Chinese manufacturer is the latest to announce a truly wireless air charging solution, following Xiaomi and Motorola’s teases from earlier this year. Back in January, Xiaomi announced Mi Air Charge Technology, which it says can charge multiple devices at 5W “within a radius of several meters.”...

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