Reverse wireless charging has been around since 2018 with the introduction of Huawei's Mate 20 Pro and it's been making its way to more and more phones since. In a new development based on a patent filed with CNIPA (Chinese National Intellectual Property Administration), Xiaomi is working on a phone with reverse wireless charging support. Xiaomi reverse wireless charging patent sketches The patent sketches reveal an accessory that attaches to the phone's back for storing wireless earphones and charge them. There are two designs with one for earbuds with stems and another one for...