2.1 AUSB Charger, ac charger, ipad charger, iphone charger ... GPS products, iPhone and iPad product with big power battery!2 High conversion efficiency, fast start and convenient for your ... .Features1.Input voltage range: 110-240VDC2.Output voltage: 5VDC 2.1 A 5.Double USB port for cable6.Voltage constant ... circuit protection7.LED indicates the charger working status 2.1 A + 1A Two USB Charger