400MB/s Fast Transfer：Updated the wire design to achieve higher transmission speed. The maximum data transmission speed support about 400MB/s. It takes 3 seconds to transmit a 1g file using the usb c to usb c extender cable. 100W Fast Charging：Support 100W fast charging technology. Due to the length issue, using usb-c extender to charge speed will be affected, depending on the actual charging speed of your device and cable be extended. Superior Durabillity：Our usb c extension cord made of aluminum alloy shell and Nylon Braided thread body. The aluminum alloy shell is resistant to corrosion and oxidation and has better heat dissipation performance. The Nylon Braided thread body is tensile and pulls to minimize wear. Wide Compatibility：The usb c cable extender perfect compatibility with most USB C devices, such as desktop computers, laptops, mobile phones, monitors, projectors, iPad, macbook, Surface Go and more. Reliable Service：We provide 24 month warranty and high-quality customer service for the extension cable. If you have any questions, please contact us in time. Upgrade USB C Extension Cable 20ft