QC3.0 &3.1 Amp high speed car USB charger: Both USB ports can provide the most possible high charging speed up to 3 or 3.1 amps. It is compatible with many multiple quick charging protocols, such as BC1.2, Samsung AFC, Huawei FCP. It is also compatible with QC2.0 devices or other common 5V devices. Compact but ultra safe: Flame retardant PC casing makes the car charger so lightweight and the compact size is very easy to store. The built-in protections safeguard against overvoltage, over current, overcharge, overload, temperature and short circuit. Universal Compatibility: Can work perfectly with latest phones such as iPhone XS Max XR X 8 Plus, Samsung Galaxy S10 S9 S8 Plus Note 9 8, Pixel 3 2 XL, HTC 11 10. Also compatible with other devices such as wireless car charger mount, dash cam, GPS, car air cleaner, tablet, iPad, Bluetooth headphones. Convenient for Daily Use: With the 12-24V input, the car charger can be taken to any vehicle.