Officially certified products .providing the ultimate plug-and-play solution for Thunderbolt 4 laptops, while also supporting USB-C and USB 4.0 accessories. For the first time, this Thunderbolt 4 docking station can connect up to three additional Thunderbolt devices directly (up to six in total via daisy chain) while providing transfer speeds up to 40Gbps, down stream type C port output up to Dual 4K or single 8K video output and audio, secondly,HDMI output,Displayport output,USB port expand,audio input and output, card reader,gigabit ethernet eg function, finally,all through the included 0.8m Thunderbolt 4 cable, for a quick and powerful plug-and-play experience. Quickly and easily charge max 60wat for any Thunderbolt 4 laptop, in addition to providing full support for your USB-C or USB 4.0 peripheral accessories. No need to worry about what you have connected to the dock — our solution provides the only full powered offering on the market, so you can connect anything, and be sure to receive optimal performance.