Steps for usage: 1. Connect the wireless charging device to the adapted data cable when in use. 2. Connect the USB end of the data cable to the rechargeable port on the car. (Example: cigarette lighter, conversion charger and USB interface)3. When the 5V-9V DC power supply is turned on, the blue-green LED flashes, and then the blue LED lights up. When the front of the phone is close to 5-20cm, the auto sensor turns on. After the phone is placed, it is automatically tightened. When you remove the phone, you need to touch the sensing area at the top of the back (you can try the sensitivity first with your finger). Description: Overvoltage protection: 13.8V, overload protection: 12V1.8A / 5V2A, over temperature protection: 65 degrees Celsius Wing opening and closing: 2SThe touch switch must be in contact with the switch for 0.5 seconds to start. Infrared sensing distance: (light absorption black) about 21mm (reflected white) about 150mm; Specification: Color: GoldWeight: product net weight of about 95gMaterial: PC + ABS vacuum platingInput voltage / current: 5V / 2A, 9V / 1.67AOutput power: 10W, 7.5W, 5W automatic identificationCharging power: 110K-205KHzSensing distance: 0-8mmSupport specifications: QI wireless protocol charging.