As convenient as wireless charging may be at times, their convenience ends the moment you lift the phone off its pad even by just a bit to use it. There have been multiple attempts in the past to solve that problem but now it seems that smartphone makers are making bold steps in that direction. Following Xiaomi and Motorola, OPPO is preparing to show off its own take on over-the-air or OTA wireless charging and it is interestingly using its rollable phone to do so.
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