1. Universal three-in-one USB interface for UsB interface devices to meet Widely compatible or plug and play 2. High-speed transmission easily drives the hard disk and connects to a large-capacity hard disk of more than 1TB, and the fast copy of large files saves you more time 3. Interface protection The interface is equipped with a protection cover, which can effectively protect the interface from damage when not in use 4. Three ports are fully loaded with efficient office and can be connected to keyboard or mouse or U disk or hard disk at the same time to avoid repeated plugging and unplugging 5.The lanyard design is not easy to lose. The lanyard is equipped with a lanyard to prevent loss. It can be taken away at any time. Small, exquisite and portable Color: Black Material: plastic Product Model Mini 3 Port 2.0and3.0 Transmission rate 480MBPS Is there an external power supply No external power supply Number of interfaces: 3 Package Contents: 1 x USB hub (1 3.0 2 2.0) 1 x lanyard 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.