This coiled Lightning to USB A cable can withstand the daily demands of charging and syncing your mobile devices. It contracts to 1.2ft (38cm) making it compact and convenient to store. Built for Daily Use The durable Lightning charging cable has aramid fiber reinforcement that shelters it from the stress of frequent bends. This also lets the cable flex without over-stretching or damaging the core of the cable. Flexible Strain Relief The Lightning to USB A cable is constructed to prevent the connector from separating from the jacket. The extra-long strain relief molding is tested to withstand over 5,000+ bend cycles at a 180° angle. Superior Connection The durable cable supports all USB 2.0 specifications providing a dependable connection for all your Lightning devices. It is also Apple MFi certified which is guaranteed for fast and reliable charge and sync from USB-A charging ports. RUSB2ALT1MBC is backed by a StarTech.com® 2-year warranty and free lifetime technical support.