1 x USB Data Sync & Charge Cable. Use this USB cable to connect to your computer for syncing and charging, or for charging with your existing USB power adapters. Perfect for your home or travel!.USB 3.0 is that it offers far faster data rates, potentially increasing the speed of transferring music, videos, and photos to and from your phone.Also provides charging capabilities from a computer USB port or USB adapter. USB 3.0 specification provides highest data transfer rate and charge rate (when coupled with a USB 3.0 output port).