1.Intelligent display, can capture the parameters of the connected devices, more intuitive display to the data you want to know. 2. Physical two-way ventilation cooling, full operation temperature control of about 40. 3. Intelligent touch screen protector, one key to light up the screen. 4.Eight-in-one function port: 4K HD video, 60Hz refresh rate, PD fast charging 100W, full standard 3.0 HUB + 3.0 dual disk card reader. 5.USB C Eight in One expansion with LCD display, real-time capture and display device parameters.Support 4K 60Hz HD video, PD fast charging 100W, connect mouse, keyboard, U disk mobile hard disk and SD + TF dual disk drive reader. Full standard 3.0 expansion. 1.1* 4K 60Hz. 2.1*PD 100W fast charging. 3.2*USB-A3.1 port. 4.1*USB-C3.1 port. 5. 1*TF3.0 card reader with dual disk drive. 6. 1*SD3.0 card reading, dual disk drive. 7. 1*C TO C standard 3.1 cable, cable length 30cm. Colour:Gray black Material:Aluminum Alloy Package Contents: 2 x USB Hub Splitter 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.