Excellent Durability: Made of double-woven, extremely durable nylon material. You can use it for a long time with excellent durability, having passed more than 10,000 bending tests. Apple MFi Certification Obtained: In addition to obtaining Apple MFi certification, we also carry out stringent quality checks, so you can safely and quickly charge devices with Lightning terminals, such as iPhones and AirPods.High Speed Charging: iPhone 14 can be charged to 50% in approximately 30 minutes when used with a fast charger of 20W or more (charger sold separately).