Facilitates connection between phone and PC and will need appropriate software to be loaded on the PC depending on phone model.Transfer information, pictures / photos and music like MP3's from phone to PC. Back-up and restore phone files. Synchronize your phone and PC calendars. Edit contacts, pictures, and phone file name. Install Java™-based applications in your phone. Charge your phone from a USB outlet. Play multimedia messages and videos. Send text messages from the PC. Use your phone as a modem. Supports USB 2.0 standard and maximum data transfer speeds.