Duo USB to AC Adapter - UL Certified

UL Listed compact duo USB to AC adapter wall charger. Fits standard American 2-prong AC outlets. Prongs fold for storage and travel. USB cable not included. Charge time varies by device. Features surge protection and safety fuse. Power / Technology: INPUT: AC 100~240V / 50-60Hz 0.4A (500mA MAX); OUTPUT: DC 5V 3.1A (Dual ports 1A & 2.1A, as labeled; tablets and other high current devices will only work on port labeled 2.1A). Work current: 1000mA_and 2100mA. Instructions included. Complies with FCC, RoHS, UL. 2 1/4" W x 1 3/4" H x 1" D