for USB Hub : It is specially designed for Digital Edition/ Ultra HD. It is small and . 4-Port USB Hub : It includes 4 USB 2.0 and 1 USB charging port. Output current: 900mA Type C 3.1 Port: It includes Type C 3.1 port, support high speed. No Delay: Can be expanded at the same time, supporting multiple devices, no jamming and delay. High-speed transmission, stable operation. Plug and play, multi system compatible. Material: ABS colour: 1-black Package Contents: 1 x usb hub Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.