Expand the connectivity of your MacBook Pro, Chromebook or other USB-C enabled laptop with the Nikkai USB-C Multiport Hub 3x USB-A 3.0/HDMI 4K/USB-C PD/SD & MicroSD Card Reader Lets you use a 4K Ultra HD HDMI video output, three USB-A 3.0 ports, USB-C Power Delivery PD input and both an SD and a MicroSD card reader slot through your laptops USB-C port. Using the 4K HDMI port, you can easily connect a high-resolution monitor and gain access to more screen space. With three additional USB 3.0 ports (USB Type-A) you can connect and power peripheral devices, like your phone or USB dongle or deliver up to 5 Gbps of data speed The adapter has an SD and a MicroSD card reader slot so you can access all of your multimedia content. Both can work simultaneously. The adapter also benefits from a USB-C PD input port. Additionally, use this adapter to mirror the screen of your USB-C device (including iPAD, iMAC, PC laptop) to display apps, presentations, websites, slideshows on your HDMI-equipped TV, display, projector or other compatible display. HDMI cable required for this, sold separately. The versatile multiport adapter is compact and lightweight, so it's easy to tuck into your laptop bag. It consolidates multiple ports into a single adapter, which means you dont need to bring along multiple single-function adapters.