The Sony USB Data Cable allows you to synchronize data like important pictures from your camera phone, music files, address book and calendar. You can also restyle your phone by downloading new software from the Internet. Ideal use with a laptop, at home, at work or travelling. The battery of your phone is empty, you have no charger in the neighbourhood and the entire day sitting behind your desk? The Sony EC-803 product is ideal backup, replacement as it is highly compact and lightweight. Charge your phone via the USB port of a computer or any power support such as a portable power bank.