The fourth of a no. 1 charging cable. One is enough. The USB port is a type C port. When unplugged on the other side is the apple interface. And when unplugged is the type C interface. Supports Apple 27 Watts fast charging and Android 100 watt fast charging. Liquid silicone thread body zinc alloy joints to meet various interface needs. Huawei, Xiaomi and apple can all charge. It’s enough to go out and take it with you.