Because the protocol is different. warp flash charge and vooc flash charge and fast charge, the protocol is different, and the product is indeed commendable. The 6.55-inch 90Hz refresh rate screen is a little short of the current mainstream 120Hz, but it's enough. The phone is standard with a 4500mAh battery and 65W fast charge, but on this basis, it maintains a thickness of 7.99mm and a weight of 188 grams, which is still thin and light.