Last year at the INNO DAY OPPO showed off OPPO X 2021 rollable concept phone with OLED display expands from 6.7 inches to 7.4 inches. Today at the MWC 2021 Shanghai it showed off the OPPO X 2021 concept phone with which adds OPPO’s new Wireless Air Charging technology, which can deliver up to 7.5W of charging power with no cables or charging stands. Continue reading “OPPO shows off its new Wireless Air Charging technology on OPPO X 2021 concept phone”