Gold-Plated Plug & Nylon Braided: Our Thunderbolt 4 extension cable male to female cable is upgraded with gold-plated technology, which can better improve the service life of the plug and signal transmission. The cable body is made of heavy-duty nylon braided, which improves the wear resistance and flexible bending times of the USB C extension, also all of our products provide 18-month free return and exchange service. UHD 8K Video: This Thunderbolt 4 extension cable supports video signal transmission to devices with USB C display function, up to 8K60Hz, 6K60Hz, 5K120Hz, 4K144Hz, etc., and can also drive two 4K@60Hz displays through MST mode. Ultra-high resolution and refresh rate, let you experience every detail. 40Gbps High-Speed Data Transfer: This USB C extender compatible with thunderbolt extension cable, the astonishing ultra-high transmission rate of 40Gbps allows you to copy 14 hours of high-definition video or 25,000 high-definition pictures within one minute. (NOTE: Data Transfer up to 40Gbps requires the support of connected external devices). 240W Super Fast Charging: Our usbc to usbc extension cable uses the latest Power Delivery technology to fast charge all USB-C devices, including Qualcomm QC 3.0/4.0/5.0, Samsung AFC, HuaWei SCP, USB PD 2.0/3.0 . Support a maximum power of 240W(48V 5A). our USB C male to female extension cable can bring you the ultimate fast charging experience. (NOTE:Enable PD compatibility mode when using non-PD protocol devices.). Latest USB4 Technical Specification: ULT-WIIQ USB-C extension cable is completely compliance with the USB4 specifications. Meanwhile, it is designed to extend and protect the USB Type C female port on all USB-C devices, including some high-end Thunderbolt 3 & 4 docking station, Thunderbolt 3 & 4 cable, Thunderbolt 3 Monitor, Thunderbolt Laptop, Dell XPS, MacBook Pro, iPad Pro 2021, and more. (NOTE: NOT compatible with Thunderbolt 2 devices.).