Fast Charging Technology Exclusive to Anker, PowerIQ and VoltageBoost combine to ensure the fastest possible charge speed (Qualcomm Quick Charge 2.0 not supported. For QC2.0 charging, please see Anker's PowerPort+ 1). Travel Ready A compact, portable, lightweight design (1.66oz) with a foldable plug and 100-240 volt input ideal for international travel. Premium Performance High-grade materials, strict testing, auto-shutoff and multiple fail-safe protections ensure complete safety for you and your device. World Famous Warranty At Anker, we believe in our products. That's why we back them all with an 18-month warranty and provide friendly, easy-to-reach support. For Optimal Use: - Use your original cable or a third-party certified one (such as MFi).