Transfer Data in Seconds USB 4 cable transfer speed up to 40Gbps that means data can be moved to and from external storage quickly. You can transfer movies photos music and files in seconds.W Ultrafast ChargingPower your USBC devices laptops tablets phones at lightning speed with W power delivery. Note The W charging can only be achieved with charger and device that supports W.Wide Compatibility DGHUMEN USB 4 cable backwards compatible with USB 3.2/3.1/3.0 USBC Gen 1/2 USB 2.0 and compatible with Thunderbolt 4/3.Up to 8K Video Output Supports one 8K/60Hz display or two 4K60Hz displays extend or mirror your screen to an external monitor for better experience.DGHUMEN is a brand that specializes in the production of cables we committed to providing quality products and services for customers. 2 years warranty please feel free to contact us if you have any questions.