The storage hole design replaces the table hole, and at the same time solves the problem of desktop and charging transmission 5 ports, USB3.0 Type-A X 2 + USB3.0 Type-C X 1+audio X 2 can meet a variety of needs, whether it is file transfer or voice dialogue, one can do it Openable wire hole design, easy to wire, such as HDMI plug, general DVI, CGA are also applicable 2 USB3.0 ports, up to 5Gbps transmission rate; 2 audio ports, respectively supporting headphone output and microphone input The included dust cover can be closed when not in use and put into the desk hole to prevent dust from falling into the interface Application: Suitable for desktop holes with a diameter of 60mm / 2.36 inches colour:black material:ABS size:Top diameter 69mm, bottom diameter 59mm, height 47mm Package Contents: 1 x Desk Hole Hub 1 x User Manual Only the above package content, other products are not included. Note: Light shooting 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.