Medias Choice: Recommended by the Wall Street Journal, which remarked that PowerPort 4 was a godsend. Advanced Charging Technology: PowerIQ and VoltageBoost combine to provide the fastest possible charge up to 8 amps or 2.4 amps per port. (Does not support Qualcomm Quick Charge). Certified Safe: Ankers MultiProtect safety system ensures 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 340 Charger (40W) / PowerPort 4 (40W 4-Port USB Charging Hub), welcome guide, our fan-favorite 18-month warranty and friendly customer service.