Huawei Mate40 Pro wireless charging is a charging method without the use of charging cables, it uses the principle of electromagnetic induction, by placing the phone on the adapter, the formation of electromagnetic induction between the phone and the charger, so as to transfer power to the battery inside the phone. Wireless charging technology is convenient, fast, and eliminates the cumbersome trouble of plugging and unplugging wires. Huawei Mate40 Pro supports a variety of wireless charging protocols through the built-in wireless charging module, and is compatible with most wireless chargers on the market, allowing users to wireless charge their mobile phones anytime and anywhere.