FASTER CHARGING SPEED - Compared to the ordinary USB-A to Lightning cable, the upgraded CUGUNU USB-C to Lightning cable supports Power Delivery, allowing your IOS devices to be charged faster. **Note: A 20W or above USB-C power adapter is required for fast charging. LONGER SERVICE LIFE - Improved design and high-quality materials increase service life. Tangle-free nylon braided fiber material, strong and wear-resistant, make CUGUNU iPhone charger cable more durable and flexible than ordinary iPhone cable. Reinforced stress points designed to withstand 15000+ cycles of flex test without inner failure. Apple MFi CERTIFICATION - MFi (made for iPhone iPod iPad) certified lightning cord ensures 100% data synchronization and charging compatibility with any Apple device that uses a Lightning port. Apple certified chip promise no warning message pops up, ensures the safety of your Apple devices even at their fastest charging speed. FULL COMPATIBILITY - Apple MFi Certified ensures