90-watt power adapter powers more than just laptops and uses 30 percent less energy than conventional adapters. Built-in USB power port allows it to charge mobile phones, smartphones, PDA, iPhone, iPod, MP3 and more. Safety features include over-current protection; over-voltage protection; over-temperature protection; and short-circuit protection. Adapter includes a retractable mini cable, micro tip and USB port so you can charge two devices at a time. Use color-coded tips for easy setup.