[High Speed Data-Transfer]: High-efficient current transfer to save time and charge in lightning speed. built-in overvoltage protection, battery protector and automatic chip recognition functions inside to protect your devices well from damages [Braided Cable & Aluminum Case]: PORODO USB-C to Lightning Cable made of anti-oxidant aluminum shell, compact and durable design ensures a longer life span for customers. Nylon-braided cable material not only avoid the tangling but also flexible enough to be wrapped up and put in a bag. Built-in 21AWG bronze tinned core, silver-plated connector, and 0.8mm thickness reinforced joints outside. Especially, it can tolerate being bent over 15,000 times, long-lasting and stronger than others.