【Customer Service & Support】Regarding 240W for Thunderbolt 4 Cable issues and other issues, we will assist you in resolving them within 10 hours. | 【40Gbps & 240W】This USB C cable is designed for Thunderbolt 4 Cable, its fully supports an amazing speed of up to 40Gbps to transmit data, 8x faster than standard USB 3.0, support USB PD 3.1 Extended Power Range (EPR) including 140W, 180W and 240W(48V/5A). All fully USB-C compatible. Plug and play. | 【8K 60Hz & Dual 4K】Dbilida USB 4 for thunderbolt 4 cables resolution is up to 8K@60Hz. Its supports 8K@60Hz / 30Hz, 5K@60Hz, 4K@144Hz on a single screen and 4K@60Hz on two screens at the same time. Note* Dual-monitor display requires 2 cables. *If you connect to USB C port for video output, please make sure your device supports Alt Mode. | 【Premium Structure】The cable for Thunderbolt 4 Cable with heavy duty nylon braided, quality nylon braided jacket with 18,000+ bend lifespan. This 40Gbps USB C cable has a quadruple shielded and tinplate can extremely resistant with EMI/RFI Interference and provide highest fidelity for long distance data transmission, a premium Zinc Alloy shell to effectively maximizes heat dissipation. Tested plugging and unplugging over 10,000+. | 【Compatibility】The USB C connector is built in smart chip and has a strong compatibility and stable signal transmission. It is compatible with all Thunderbolt 4 & 3 devices and also backward compatible with iPhone 15/Plus/Pro/Pro Max, USB 2.0 / 3.0, 3.1 Gen 1, and 3.1 Gen 2, it is perfectly for iPad Pro 2020/2019/2018, MacBook Pro 2020 16'', Samsung Galaxy S8, Galaxy S8 +, Google Pixel, ChromeBook, eGPU,etc.