Features: 1.Supports mirroring of what is displayed on your mobile device screen to your HDMI?Equipped TV, monitor, projector. 2.The product makes small screen become big screen, better game experience, and it is small in size, light in weight and easy to carry. 3.Has aluminum alloy shell, with matte texture, anti?fingerprint, good heat dissipation. 4.A good assistant for business presentations, conferences or training courses, realizes the synchronization of information display. 5.Support hot swap, plug and play, no need to install drivers, easy to operate. specification:Item Type: Hub Adapter Interface: HDMI, VGA, USB x 3 Color: Gray Material: Aluminum alloy HDMI Interface: Support 3840 x 2160P resolution VGA Interface: Support 1920 x 1080P resolution HDMI/VGA Support: Same display, HDMI single display is 4K, USB interface supports 1T hard disk Suitable for devices with TYPE C interface (notebooks, mobile phones, etc.) Connect with display devices (such as monitors, projectors, televisions, etc.) that can be switched. Pay attention to the direction when connecting, do not support two-way mutual conversion. For example, you cannot switch from VGA to TYPE-C. PackageList:1 x Hub Adapter NotePay attention to the direction when connecting, do not support two?way mutual conversion. For example, you cannot switch from VGA to TYPE?C.