Features:Waterproof Dual USB ports (1A & 2.1A)， able to charge tablet PC and smart-phone simultaneously.Rapid charging your phone safely and without overcharging your battery.Easy and convenient to use.USB port: can connect with different kinds of USB cables to charge for iPhone / iPad， tablet PC， etc. Package included:1 x Dual USB Car Charger. (Note : this product comes without retail boxes )