Are you wondering why your iPhone USB charger won"t charge your Samsung device, or vice versa? Do you feel confused when the "Universal" USB charging ports would not work with all your devices? This iXCC® charger is your ideal solution. With built-in smart chip, this iXCC® Dual USB Charger detects your devices when they are plugged in and automatically adjusts the charging signal to deliver fast charging speed. With 100-240V power input and smart USB output, you can bring this charger everywhere you go and have a peace of mind.Manufacture" Limited Warranty This iXCC® product is offered with limited manufacture warranty. The limited warranty period for the Product extends for ONE (1) YEAR from the date of purchase. The product must be purchased from iXCC to be eligible for the warranty. Do not purchase from unauthorized dealers.