niceEshop(TM) Preminum 2.1A Rapid Dual USB Port Car Charger Adapter (Black) Exquisite design with blue led indicator Over-heating, over-current, over-charging protection, stop charging when fully charged Made of fire-resistant material, ensure the safety, certificated by ROHS,CE,FCC Compatible with all usb interface, 5V output supported devices Dual USB charging port, recognize devices and charge it in the most efficient way