1. Universal three-in-one USB interface for UsB interface devices to meet Widely compatible/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/mouse/U disk/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 2.0+3.0 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.