Thicker copper core: Durable, Faster and safer; Most Popular Length: nearly one meter Easy to switch between Lightning & Micro USB, hot plug supported Easily reach a USB port on the front or back of most computers or wall adapters Built-in lighting and micro-USB connectors which allows the cable to perform 2-in-1 functionality of lightning or micro-USB cable. Eliminates tangles, easy to pack and ideal for traveling.