Power Delivery: Use this cable with your Micro USB Power Delivery charger to charge your device, and access fast-charging. Charge and Sync: Connect your device to seamlessly sync & charge. Ultimate Durability: USB A to Micro USB cable Lasts 12× longer than other cables and proven to withstand over 12000 bends in strict laboratory tests. MFi: MFi certification and strict quality testing ensure your devices are charged safely, at their fastest possible speed.