Dudao 3.4A Smart Car Charger 2x USB Smart Car Charger with Safe Charging Function. Automatic voltage division – Regardless of which port we connect the phone to, its energy will be restored at the maximum possible speed. In the case of charging 2 devices, the voltage will be appropriately divided and adjusted to specific devices. Safe charging – In addition, the accessory selects the voltage according to the charge level of the device. Energy renewal starts from a slower level, then accelerates to the maximum allowed speed, and after exceeding 80%, it slows down again and calmly ends the charging process. Thus taking care of the condition and safety of the battery. Up to 2 devices at the same time – 2 ports allow you to charge up to 2 devices at the same time. Durability and strength – The charger housing is made of high-quality aluminum alloy. High resistance + elegant appearance. Several levels of protection – Against overcharging, overheating and short circuits, among others. Complete protection for both your accessory and your phone. Convenience and stability – the charger's design makes it easy to pull it out of the socket. Specification: Brand: Dudao Name: R6S Material: Aluminum Ports: 2x USB Output Current: 5V/3.4A KGO: 0.02zł net