The s18 supports on-board wireless charging, because the s18 is equipped with Qi wireless charging technology, which allows the device to be placed on the charging mat for wireless charging, and the s18 has on-board functions, when used in the car, you can easily charge the device by simply placing it on the on-board wireless charger. Car wireless charging has the advantages of convenience, safety, and fast, do not need to plug and unplug cables, reduce driving safety risks, but also increase the cleanliness and beauty of the car interior, is one of the necessary accessories for modern cars.