1. 3A high current, provides fast charging for your phone. 2. LED indicator, warm charging reminder, facilitates charging at night. 3. Aluminum alloy material, scratch and wear resistant without discoloring. 4. Thicker tinned copper core for faster, more stable charging. 5. High density nylon braided jacket, withstands wear and tugs, longer-lasting life. 6. Specification: Interface: USB-A to USB-C / Type-C Function: charging/transmission Current: 3A Transmission speed: 480Mbps Material: aluminum alloy + nylon braided cable