A. Function: It can solve various problems in one stop. It is capable of connecting 4 interface devices, being compatible with 3 interface devices, and is compatible with USB 4 / 3.1 / 3 / 2.0. It can perform high - speed data transmission and fast charging simultaneously. B. It has a relatively fast transmission speed of 40Gbps, and can transfer a 4K video in a short time. It also supports PD 100W 5A fast charging. C. It has a built - in E - marker chip, which can be used for charging and can also be connected to an e - GPU box to improve the performance of a laptop. D. It supports multi - screen sharing, can connect multiple monitors, and has a certain degree of flexibility to support high - bandwidth communication. E. Size: Approximately 2 meters. F. Material: Metal + Braided mesh. G. Color: Black + Grey. H. Package contents: 1 data cable. I. Only the above - mentioned package contents are generally included, and other items are usually not included. J. Note: Light reflection and different displays may cause the color of the item to vary slightly from the actual object. A measurement error of about +/- 1 - 3 cm is allowed.