Life-Tech Dual USB AC Home Wall Charger + USB Charging/Data Sync Cable For Samsung ST66 ST68 ST72 ST73 ST76 ST77 ST78 ST79 ST93 ST94 Camera 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 charger IC Chip recognizes a full battery & automatically switches to saver mode. Input: AC100-240 Volts Output: 5.0V ~ 2100mah