Dual 1 A usb ports for charging 2 phones at once. For Iphone 3, 4, 4s and 5, Samsung Galaxy 2, 3 and 4, Note 1 and Note2, All other phones that use usb for charging, Blackberry, Nokia, Droid and more. * Fits perfectly in the cigarret lighter, easy to remove. Amust have for each and every car out there * Input 12-16volts DC. Output 5volts 1A, 5W * Reputable Griffin technology. Fuse protection to avoid short circuit and overcharging * Ideal gift for family and friends. Free shipping for orders over $25