This Iteam Anker PowerLine Select+ Lightning Cable is 15 times more durable than standard cables and has been shown in a lab setting to withstand 15,000 bends. Charge speed is maximized by the reduced cord resistance and wide diameter wires. Precision laser welded connectors and double nylon braiding provide exceptional tensile strength. The fastest charging speeds are guaranteed by MFi certification, which guarantees perfect compatibility with Apple Lightning devices. Verified Sturdiness Premium Unibody Connectors with Double-Braided Nylon Exterior and Apple MFi Certification 15 times stronger than conventional cables, 6 feet long