USB port car charger producted by the original factory, is suitable for all kinds of smartphones, tablets, mp3 players, cameras. It's useful for you to take it out if you go to travel Intelligent identify devices charging management chip, dynamic distribute current, has seven kinds of security and protection input :DC12-24V Out put"DC5V-2.1A max Color :black Size: 54.5*33mm REMAX dual USB MINI portable car charger mushroom-head USB Description Intelligent power Switch, ABS Anti-scratch material improve charging efficiency,intimate protection of your digital products. Strengthen both sides of anti-skid shrapnel,integral buckle more stable. Fully Compatible,Suitable For Most Smart Phones/Tables/PSP/PDA/GPS/MP3/MP4.