The Anker Advantage: Join the 20 million+ powered by our leading technology. Advanced Charging Technology: PowerIQ and VoltageBoost maximize charging speed up to 2.4 amps per port. (Does not support Qualcomm Quick Charge). Certified Safe: Anker's MultiProtect safety system and upgraded hardware ensure complete protection for you and your devices. Travel Ready: Compact design, foldable plug and 100-240 volt input ideal for worldwide travel. What You Get: Anker PowerPort 2, welcome guide, our worry-free 18-month warranty and friendly customer service.