Designed as a replacement for factory Apple Lightning cables or as an additional cable to keep in the office, car, backpack or briefcase, IOGEAR's Charge & Sync Pro USB to Lightning cables exceed OEM cable standards for performance without being stiff or difficult to coil. High-grade woven cotton/nylon materials increases durability, and make for a non-bulky, tangle-free cable. Oversized conductor diameter of 4.2mm provides better power transfer. All of IOGEAR's Lightning cables are Apple MFi certified to work with every device compatible with the original Apple supplied cable. Non-certified cables can have out of spec connectors and imitation processors which can damage your device, so always makes sure you a purchasing an actual Apple Authorized cable like the those available from IOGEAR!