2-Port USB QC 3.0 ChargerThe 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