The red port below the Xiaomi 20w wireless car charger supports fast charging. The car charger is equipped with two USB output interfaces, the upper port supports ordinary charging, and the lower red port supports fast charging. It is highly recommended that the car be equipped with a red head, 70-mile mirror and the old Senko dashcam work as normal as a USB port. The front panel of the Xiaomi wireless car charger has an indication label sticker.