... usb charger 1)Input: AC100-240V 50-60HZ, 2)Output:DC3-20V/0-1000mA, 3)LED:red to red 4) RoHs.CE ... Shenzhen ZhongXinTong Industrial Co.,Ltd is one professional manufacturer of various of chargers , car chargers, travel chargers, usb ... customers.Products Characteristics:1. with fixed frequency control circuit, it provides with over voltage, over current, ... : 3.0--20V/0--1000mA USB travel charger with CE