Aukey Kevlar Core Lightning to USB-C Cable have premium materials by Kevlar, strengthened stress points, not easy intertwined and knotted, enhanced durability testing and safety technology ensure it used for long-term. Eco-friendly premium materials, strengthened stress points, enhanced durability testing and safety technology ensure it outlasts most cables on the market. Support for USB-C Power Delivery, fast charge for iPhone XS Max / XS / XR / X / iPhone 8 / iPhone 8 Plus with 29W, 30W, 61W, or 87W USB-C Power Adapter. iPhone X Series can be recharged to 50% in 30 minutes. MacBook can also be inserted directly without using a conversion adapter.