【Customer Service & Support】Regarding 240W for Thunderbolt 4 Cable issues and other issues, we will assist you in resolving them within 10 hours. 【20Gbps & 240W】This USB C cable is designed for Thunderbolt 4 Cable 15 ft, its supports an amazing speed of up to 20 Gbps to transmit data, 4x faster than standard USB 3.0. Support PD 240W and delivering up to 20V and 5A of power to your devices for fast and efficient charging. All fully USB-C compatible. Plug and play. 【4K@60Hz】240W for Thunderbolt 4 cable 15ft support 4K@60Hz. Note*If you connect to USB C port for video output, please make sure your device supports Alt Mode, This setup only one 4k can display. The conductor is made of 28AWG silver-plated copper, higher performance and connectivity. 【Premium Structure】Dbilida for Thunderbolt 4 Cable with heavy duty nylon braided, quality nylon braided jacket with 18,000+ bend lifespan. This USB 4 cable has 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 built in smart CYPD2704 chip, has a strong compatibility and stable signal transmission. Compatible with all Thunderbolt 4 / 3 devices and also backward compatible with iPhone 17 16, USB 2.0, 3.1 Gen 1, and 3.1 Gen 2. It perfectly works for iPad Pro 2020/2019/2018, MacBook Pro 2020 16'', Samsung Galaxy S8, Galaxy S8 +, Mac mini M4 / M4 Pro, Google Pixel, Surface Pro, VR Headset, eGPU,etc. 240W for Thunderbolt 4 Cable 15 ft