Power delivery: To charge your iOS device and enable fast charging for iPhone 8, 8 Plus, x, XS, XR, XS Max, iPads, and more, use this cable with your USB-C power delivery charger (such as an Apple 29W, 30W, 61W, or 87W USB-C power adapter). Power stays 30× longer than standard cables. demonstrated to be capable of withstanding 30,000 bends in a lab setting. Mfi: Strict quality testing and MFI certification guarantee that your Apple devices are charged securely and as quickly as possible. Double-braided: constructed from strong, long-lasting two-shade nylon to easily stand out from your other cables. A lifetime cable: We offered Powerline+ II a hassle-free lifetime warranty because we are so sure of its enduring performance.