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: Hdmi 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*hdmi 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: 1 X Usb Hub Splitter Only The Above Package C