1、40GBPS: USB 4.0 has a maximum transfer rate of 40Gbps, with a theoretical speed of 5000MB/s, which is eight times faster than USB 3.0, with the highlight being the ability to support the for Intel for Thunderbolt 3 protocol. 2、FAST CHARGING: The Retractable data syncing wire supports up to 240W (48V/5A) of power for fast charging and can charge virtually any USB C device, from cell phones and accessories to gaming laptops. 3、SUPPORTS 8K UHD: The Coiled USB C charger cable supports 8K UHD video, allowing you to connect your display video content to a monitor up to 8K 6K, or to two 4K monitors. (Dual monitors require 2 connecting cable.) Docking station or laptop to the monitor is also possible. 4、3.3FT LONG: USB 4.0 Type C coiled data extension cable is made of PVC material, retractable, up to 3.3ft long, flexible for you to use. 5、PLUG AND PLAY: Coiled USB type c cable fast charging is plug and play, with a maximum transfer speed of 40Gbps, transferring up to 2.5G files in 1 second (actual transfer speeds up to 2.8GB/s read and 2.1GB/s write).