About this item 【400Mbps Fast Transfer】The maximum supported data transmission speed is 350-600Mbps. Transfer speed suffers due to length issues, which means that it takes 40-50 seconds to transmit a 10g file using the usb c to usb c cable extender. 【Charging Function】 Support charging technology. Due to the length of 20 feet / 6m, the charge speed will be affected, and the charge speed depends on the actual charging speed of your device. 【Superior Durabillity】Our usb-c extension cable 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 type c extension cable perfect compatibility with most usb c devices, such as desktop computers, laptops, mobile phones, monitors, projectors, iPad, macbook, Surface Go and more. 【Incompatible Device】The usb c extension cable does not work with any Thunderbolt 3 docking/hub/cable. Most Dell docking station is based on the thunderbolt 3 input, so this extender cable is not compatible, for example : Dell TB15, 16, thunderbolt 3 docking station and HP thunderbolt 3 dock, Oculus Quest Link etc. ). 【Long Warranty】We provide 24 month warranty and high-quality customer service for the usb type c extension cable. If you have any questions, please contact us in time.