ColorWay Charger 15W is designed for faster and more efficient charging of smartphones. Intelligent chip for safe use: auto shutdown to protect the smartphone battery, overvoltage, short circuit, overheating protection. Instruction: Connect the device to the Type-C connector of the power adapter (not included). For high performance, please use a power adapter that supports PD, QC2.0, QC3.0, AFC, FCP. Bring your smartphone to the charger. With built-in magnets, iPhone automatically pairs with the wireless charger. Caution: Do not use cases that contain metal, as this may overheat the wireless charging module and damage it. Say “no” to cables - no more massive charging stations with many cables.