Car Charger, Dual Port QC3.0 USB Fast Charger Cigarette Lighter Adapter, 36W/3A Fast Charging Car Charger Adapter with Color Voltmeter and On/Off Switch

This car cigarette lighter charger is equipped with a color voltmeter that can monitor the car battery voltage in real time, allowing you to know the battery level at any time. The colorful LED lights also help you easily locate the car charger's USB charging port in dark environments. With two QC3.0 USB ports, the car charger quickly charges two compatible devices simultaneously at QC3.0 speed, up to 4 times faster than conventional charging. It features a dual-port total output of 36W, with each port delivering 18W/3A. This car USB charger is backward compatible with QC 2.0 and 1.0. The car charger is made of high- and low-temperature resistant materials, making it suitable for use in operating environments from -20°C to 60°C. It has a built-in smart chip and has passed several safety certifications, ensuring safe charging. This universal dual-USB car charger is compatible with all Android and iOS mobile devices. Provides the fastest possible charge for all non-fast charging devices. Easy to plug and unplug, perfectly compatible with your car's cigarette lighter socket. Instructions: Step 1: Lightly press the switch; the voltmeter's USB port will function correctly. Step 2: Lightly press the switch; the voltmeter LED will turn off. The USB port will function correctly. Step 3: Press and hold the switch for two seconds; both the voltmeter and the USB port will turn off. 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.