Huawei first introduced Reverse Wireless charging with Huawei Mate 20 Pro and following that Samsung also introduced a similar feature with Galaxy S10 series. This feature is capable of charging wireless devices like Wireless earphones, Watch some other wireless devices. Which is very useful when you have a long day.
A report from analyst Ming-Chi Kuo claims that the iPhone XI will have similar feature to Reverse Wireless charging along with upgraded cameras and bigger battery. The report also claims that the next iPhone will come with 18W fast charging Although the company will use the lightning port and not USB C.
This feature in Samsung Galaxy S10 Series is really useful as it can wirelessly charge Galaxy Buds and Galaxy Watch. Apple will also launch Airpods 2 with a charging case that will utilize this feature.