The JUP20 2-Port Usb Qc 3.0 Charger provides dual ports, letting you charge up to 2 devices simultaneously. One port is equipped with Qualcomm Quick Charge 3.0 support, allowing you to charge your Qc 3.0 compatible smartphone 4x faster than a standard charger. The second port is a standard Usb port, which lets you charge another device at the fastest charge possible up to 2.4A. The charger also protects from surges, overcharging, overcurrent, and overheating, keeping your devices safe.