Super Strong:Double-braided nylon exterior and bulletproof Kevlar fiber make Tronsmarts Lightning Cable stronger than industry standard cables Case Compatibility:Lightning cable with its small connector head works with nearly all cases for the ultimate in convenience. MFi Certified:Apple MFi certification ensures complete charge and sync compatibility with All Apple Lightning connector devices. Amazing charging performance:The thicker the wires, the faster the charging speed. The industry standard diameter is 24AWG, while Tronsmart cables 19AWG, 20% larger. Incredible Durability:Up to 10x more durable than competing Lightning cables. The Lightning Adapter is strong enough to withstand repeated unplugging and storage. We use a customized machine to stress test the cable to withstand 10,000+ bends over its lifetime.