"Charging for 5 minutes, talking for 2 hours" was OPPO's most popular slogan last year, and OPPO's own VOOC flash charging technology supported its charging speed. The latter first appeared on its flagship Find 7 in early 2014. that Mainstream mobile phones are still using 5V/2A, or even 5V/1A charging. OPPO uses 5V/4-5A low-voltage high current scheme, bringing 20W charging power and speed. Later, this technology was popularized to the mid and high-end OPPO N and R series.

Recently, OPPO "officially leaked" that it may launch its flagship Find 9 and Wireless VOOC flash charging technology. Find 9's The configuration is likely to be Snapdragon 820+ 4GB memory+32GB storage+ VOOC wireless flash charge , 20 megapixel reversible camera. and Wireless VOOC flash charging technology , it is likely to follow the low voltage and high current scheme to provide a more high-speed and practical wireless charging function.

Wireless charging is an early technology, Google's Nex Us pro son series, Nokia Moto、 Many flagship models of Samsung have wireless charging function, but wireless charging has problems such as high location requirements, high heat, slow charging, etc., so it has not been popularized.

On the Note5/S6 edge+launched in September 2015, Samsung is equipped with the wireless fast charging function. The latter charges wirelessly through the high voltage scheme starting with 9V, and adds a cooling fan to the charging base, which can complete the charging of 3000mAh batteries in about two hours, more than 50% faster than the original cordless charging speed, Finally, the wireless charging speed can catch up with the normal 5V/2A wired charging. Although OPPO officials did not disclose relevant technical parameters, it is predicted that the speed of its wireless VOOC flash charging should also be close to this scheme.