Importer520 2 PORT HOME WALL AC OUTLET USB CHARGER ADAPTER PLUG for AT&T Samsung Double Time i857 Brand New Non-OEM (Generic) Polybag Package World traveler (100-240V). The innovative travel charger automatically adjusts to all voltages and frequencies in the U.S., Europe, and Asia. This adapter can charge 2 USB devices simultaneously. Charge any devices that rely on USB for power. You name it.digital cameras, high tech accessories, PDA and mobile phones, etc. Use it with any USB devices, simply connect a USB cable (not included) to your device(s) and then to the charger module