6 in 1 USB C Expansion Hub - Lention USB C hub for laptop features a 4K@30Hz HDMI output port, 3*USB 3.0 ports for connecting multiple devices such as flash drive, keyboard, mouse, printer, etc. SD/Mirco SD 3.0 card readers, 104MB/s USH-I speed,can read up to 2TB memory cards. Noted:Not support Superdrive 4K HDMI Port for UHD Visual Feast - usb extender hub mirror or extend your screen with USB C to HDMI adapter to HDTV, monitor, or projector. Support 3840x2160 4K@30Hz, 2560x1600 and lower resolutions at 60Hz.