Key Features Excellent Durability: Built with double‑woven, highly durable nylon that withstands over 10,000 bend tests for long‑lasting use. Apple MFi Certified: Fully certified and rigorously tested to ensure safe, fast charging for Lightning devices such as iPhones and AirPods. Fast Charging Support: When paired with a 20W or higher fast charger (sold separately), an iPhone 14 can reach about 50% charge in 30 minutes.