Faster & Safer: Nearly 3X faster than Apple??s stock 5W charger. UL-certified, for a safe and stable charge. Smart IC Chip: Automatically detects and delivers the optimal charging output for your devices, ensuring faster charging while also protecting their battery life. 2-Port Charging: Combines a USB-C Power Delivery port with a standard USB port, allowing you to charge two devices simultaneously. Compact & Portable: Foldable plug and compact design make this charger an ideal choice for home, office, or travel use. Satisfaction Guarantee: Every ESR product comes with a 100% satisfaction guarantee. If you are, for whatever reason, unhappy with the product, we will gladly provide a replacement or refund.