The samsung charger works independently of the different voltage levels in all regions of the world. just plug it with the appropriate plug adapter into an electrical outlet. 1550ma the original data cable from samsung connects your computer to your phone and allows you to store pictures taken with your camera phone, transfer music files between computer and phone and synchronize calendar and address book so you are always up to date. you also can download software from the internet and make your phone so quite new. transfer music files and ringtones to your phone synchronize the address of your computer to your phone download software from the internet micro usb port color: white note: no software included.