Ulisem 36W/3A Car Charger, Fast Charging, Compatible with iPhone 12/11 Pro/Max/8, Galaxy S21/20/10/9

This car charger features a color-coded voltmeter that monitors the battery voltage in real time, allowing you to know the charge level at any time. Colored LED indicators also help you easily locate the charger's USB charging port in the dark. With its two QC3.0 USB ports, this car charger quickly charges two compatible devices simultaneously at QC3.0 speed, up to four times faster than conventional charging. The total output power of both ports is 36W, with each port delivering 18W/3A. This USB car charger is backward compatible with QC 2.0/1.0. Made from high- and low-temperature resistant materials, it can be used in operating environments from -20°C to 60°C. Its built-in smart chip and numerous safety certifications ensure safe charging. This universal dual USB fast car charger is compatible with all Android and iOS mobile devices. It provides the fastest possible charge for all devices not compatible with fast charging. Easy to plug in and unplug, perfectly compatible with your car's cigarette lighter socket. Instructions: Step 1: Lightly press the switch; the voltmeter indicator light and USB port will function correctly. Step 2: Lightly press the switch; the voltmeter indicator light will turn off, and the USB port will function correctly. Step 3: Press and hold the switch for two seconds; the voltmeter indicator light and USB port will turn off. Please note that some mobile devices do not support QC3.0. The car charger adapter will charge your device at the maximum charging speed supported by your device.