High Charging Efficiency3A quick charge 3.0 provides 4x faster charging speed to compatible devices; 2.4A smart IC USB port charges up to 2.5X faster than usual car charger. Universal Compatibilitycompatible for Samsung, iPhone, iPad, LG, tablet, and all USB-charged devices. Dual ports support charging up 2 devices simultaneously with maximum charging speed . Safety and ReliabilityIC chip inside vehicle car charger to protect against overheating, over current, and overcharging. Charging will stop automatically when the battery is full. Unique Designblue indicator of car charger helps to pull and plug USB cable and pull out this car adapter from car charger at night. What Our Offer 1 pack car charger (Black) and 3-years w arranty, if there is any problem, please contact with us, we will solve the problem within 24 hours.