Apple original chip built-in, ensures 100% compatibility of charging and syncing with all 8-pin lightning Apple iOS devices. No warning message or pop-ups. Tangle-free nylon braided Lightning cord & Aluminum case, resulting in a soft and robust cable with superior toughness. 5000+ bend test & 10,000+ insertion-withdrawal testing enhanced the durability, not inferior in charging and syncing performance even compared with original cables.