The cable is compatible with all devices with a Micro USB 3.0 connector, such as the Galaxy Note 3 and the Galaxy S5. The cable is the newer “double wide” style cable and will NOT work with Micro-USB 2.0 style connectors, such as the Galaxy S2/3/4 and Note 1/2. Please ensure your phone supports the newer Micro-USB 3.0 standard and can accept the connector type as in pictures before purchasing. USB 3.0 compatible for ultra fast data transfer. The cable has USB 3.0 for the fastest possible data transfer. USB 3.0 supports speeds of up to 4Gbit/s meaning you can transfer HD videos to your phone in seconds rather than minutes. 2.0 Ampere charger supports fast charging from laptops and desktops.