Chinese phone maker Oppo is introducing three new fast charging technologies it plans to use in upcoming smartphones. VOOC Flash Charge 4.0 supports 30 watt fast charging. 30W Wireless VOOC Flash Charge is a pretty self-explanatory term. And then there’s 65W SuperVOOC Fast Charge 2.0, which is the company’s fastest wired charging technology to date. Oppo […]