12V CAR automatic USB fast charging

Product name: QC3.0 Car Cigarette Lighter SocketMaterial: ABSInput voltage: 12V-24VOutput voltage: DC 5VSuitable: Universal for all the carsFeature:1. Three USB Charging Ports- the Qualcomm Quick Charge 3.0 port for all Quick Charge supported devices, like For Samsung Galaxy S7 S8 S9 Note 8 9 and more the Smart Port for the devices without Qualcomm Quick Charge feature, like For iPhone 6 7 8 X iPad mini iPad pro and more.Please check your device's feature then suit the port for the best optimized two devices simultaneously charging efficiency. 2. Qualcomm Quick Charge 3.0 Technology: Provides 4x faster charging speed to devices for uninterrupted performance of navigation and media streaming. Note: Please choose QC 3.0 port to charge all your Fast Charge compatible devices to achieve higher power charging. 3. Safety Usability-This USB car charger has multiple built-in voltage regulators fully protecting your devices against over-current, over-charging and over-heating for safe and rapid