HIOTECH AC "L" Connector for MacBook Pro with US Wall Plug, 60W & 85W AC Power Adapter DC Repair Cord for Apple MacBook Pro + AC Power Adapter US Wall Plug Duck Head for iBook/iPhone/iPod 60W & 85W AC Power Adapter DC Repair Cord for Apple MacBook Pro AC Power Adapter US Wall Plug Duck Head for iBook/iPhone/iPod The magnetic DC helps guide the plug into the system for a quick and secure connection When the connection is secure, an LED located at the head of the DC connector will light If you have any question, please feel free to contact us. We wll do our best to serve you.