Sony Ericsson USB Data Cable
Manufactured by Sony Ericsson

Building a bridge between your computer and your phone, the cable allows you to store pictures taken with your camera phone, transfer music files to and from your computer and stay up-to-date with a synchronized calendar and address book. You can also give your phone a fresh start by downloading new software from the Internet.

Transfer music files and ring tones to your phone
Synchronize your computer's address book with your phone's
Download software from the internet

Fast port system connector 
USB connection