Charge up to 3 USB devices at the same time with the EW1202 3-Port USB Car Charger. The USB charger can be used in both cars and trucks and needs to be plugged into the cigarette lighter. The Smart IC charging system distributes the available current between the connected devices. Your smartphone, tablet, MP3 player, camera or other USB devices are charged with just the right amount of power. The charging will stop when the device is fully charged. The EW1202 is equipped with over temperature protection, over voltage protection, over current protection and short circuit protection.