Usb-c to USB-C cable Connects 2 USB-C devices, including MacBook's and smartphones this six-foot USB Type-C to Type-C cable allows you to connect one USB-C device to another. For instance, a laptop to a docking station, your smartphone to a wall charger, or a hard drive or flash drive to a computer or tablet. The USB-C to C is compatible with any device with a USB-C or Thunderbolt 3 port, including MacBook's, Ultrabook's and Chromebooks. Transfers data and charges devices at fast USB 3. 1 Gen 1 speeds The PD Charging cable supports USB 3. 1 Gen 1 data transfer rates up to 5 Gbps, which is 10 times faster than USB 2. 0. It also provides power output up to 5 amps (100 watts), which is sufficient for fast-charging, syncing and powering most large-capacity devices. The USB Type-C to USB Type-C Cable is backward compatible with previous USB generations, allowing you to use it with older equipment. Reversible USB-C connectors attach in either direction unlike traditional USB cables that connect in only one direction, The reversible USB-C male connectors plug into a USB-C or Thunderbolt 3 port in either direction for a fumble-free connection every time.