For Acer Iconia One A1-810 / A1-830 / B1-710 / B1-720 / B1-810 / A3-A10 Tablet Life-Tech Dual USB Ports Wall Home House AC Charger w/ USB Cable High Performance 10W Dual USB AC Home Wall Charger Adapter 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 charge IC Chip recognizes a full battery & automatically switches to saver mode. Input: AC100-240 Volts, Output: 5.0V ~ 2100mah