JR-SM322 Metal Steel Spring Charging & Data Cable for Apple High quality MaterialUsing 118 threads 0.08 copper which is 34 more than an ordinary cable,which enables the cable to withstand more than 5000+ bends and ensures less resistance to allow a greater charging current and the speed of data transmission.        High SpeedNicked plating antioxidant universal USB 2.0 connector support a variety of USB devices resistance to plug up to more than 5000 times.and supports the transfer 2.1A large current.More DurableUsing All-metal material makes the cable more durable, more resistant to bend damage and 10 times stronger than regular cables.For IOSBecause reversible data cable's structure has a little difference from the regular lighting cable so you should insert the charging port with the smooth side upward then it can charge.Compatible With : For iPhone 6 , 6S Plus , iphone 7, ipad air/mini , ipad 4 , ipod nano 7, ipod touch 5.