Fully compatible with iPhone, iPod, most MP3 players and mobile phones. Car charger allows you to charge your portable device through power/cigarette lighter socket in the car. Travel charger allows you to charge your portable device from wall outlet in your office or home. Built-in standard USB port. Car chager input: 12 to 24V DC, output: 5V/1A; travel charger input: 100 to 240V AC, output: 5V/1A. LED power indicator. Perfect travel companion for your MP3 players and mobile phones