Universal Durability: Tangle-free nylon braided Lightning cord & Aluminium case, resulting in a soft and robust cable with superior toughness. 25000+ bend test & 10,000+ insertion-withdrawal testing enhanced the durability, superior in charging and syncing performance even compared with cables. âš¡ Safer & Faster Charge: Ultra-Fast USB to USB-C Silicon Cable charges your phone at High speed up to 5V/2.4A, full charge your devices & saves time for you on charging. With built-in chip, do no harm to your battery, over-voltage protection function protects your devices at all times. Charging and syncing simultaneously, max data transfer speed is 480Mbps.