This 0.8-meter cable supports thunderbolt 3 data transfer up to 40 gbps, usb 3.1 gen 2 data transfer up to 10 gbps, displayport video output (hbr3), and charging up to 100w.
use this cable to connect a mac with thunderbolt 3 usb-c to thunderbolt 3 devices such as docks, hard drives, and displays.
you can daisy-chain up to six thunderbolt 3 devices.