This USB 2.0 cable Lightning interface can use your iPhone, iPad or iPod is connected to the computer's USB ports to synchronize and charge, can also be connected to the Apple USB power adapter, making it easy to charge via wall outlet Lighting positive Anti sides have eight contacts, each contact function is defined by the digital chip, greatly reducing the space at the bottom. The new interface reduces by 80% volume, regardless of positive and negative, both sides can be inserted use. Contacts adjacent to the new interface will be a little groove, relatively low arc. At the same time the application of new materials to make the interface easy to keep clean, due to the new interface shrapnel inside the sliding contact plug needs time, so the cleaning also has an advantage over the previous 30-pin connector. This USB 2.0 cable Lightning interface can use your iPhone, iPad or iPod is connected to the computer's USB ports to synchronize and charge, can also be connected to the Apple USB power adapter, making it easy to charge via wall outlet Lighting positive Anti sides have eight contacts, each contact function is defined by the digital chip, greatly reducing the space at the bottom. The new interface reduces by 80% volume, regardless of positive and negative, both sides can be inserted use. Contacts adjacent to the new interface will be a little groove, relatively low arc. At the same time the application of new materials to make the interface easy to keep clean, due to the new interface shrapnel inside the sliding contact plug needs time, so the cleaning also has an advantage over the previous 30-pin connector.