The BMW wireless charging board only needs to put the mobile phone with wireless charging function on it, and it can be automatically charged. Car wireless charging technology is the application of mobile phone wireless charging technology in the car, which provides people with the comfort and convenience of charging by placing mobile phones in the charging area of the car. Wireless charging means that the power is transferred without wiring harness and the power supply is directly supplied to the mobile phone. Generally, the wireless charging seen in the car or the wireless charger with the original car is contact type. Place the phone in a specific location to charge it.