For RCA 7" / 9" Tablet 10W 2.1A Dual USB Ports Wall Home House AC Charger w/ USB Charging Cable Dual USB sockets allow you to charge 2 devices at once. Simply use a compatible usb cable for your device to get charge up from this charger IC Chip recognizes a full battery & automatically switches to saver mode. Input: AC100-240 Volts, Output: 5.0V ~ 2100mah USB charging cable that comes with this bundle only has charging capability.