1. Work Efficiently And Scale Easily2. 3 Seconds Transmission 1g, High-Speed Transmission, 18t , Easy Reading, Four-Port Simultaneous Reading, Efficient Office, Keyboard And Mouse Connection, Refuse Delay3. Strong Power Supply, Easy Connection, Reserved 5v Power Supply Port, Easy To Drive 18t -Capacity 4. High-Speed Transfer, Win With Fast, Usb3.0 High-Speed Transfer, Files Can Be Easily Transferred In Seconds, And The Efficiency Is Doubled5. It Can Support The Simultaneous Use Of Four Ports, Stable And Reliable, And Solve The Problem Of Insufficient Computer InterfaceProduct Name: Round HubInput Interface: Usb-COutput Interface: 4*Usb3.0Transfer Rate: 5gbpsLine Length: 0.3 MetersSupported : Windows, Os And LinuxColour:blacktype:YX2-CMaterial:plasticSize: 8 x 8 x 29.6cmPackage Contents:1 x HubOnly 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.