The Smart Hub 4-in-1 is an essential accessory to connect your new Macbook ( and other Type C supported laptops & Smartphones * to other devices & peripherals in the home and office. In its small size it packs in all the essential functionality that you will need to hook up to any device at home or at work.The USB 3.0 port will allow you upload data to or download data from your computer at transfer speeds of 5Gbps.An HDMI port is available for connecting your computer to a larger screen. This connection port also allows the rendering of images in as much as a 4K (and 2K) resolution at a broadcasting frequency of 30Hz. When such a resolution is not available on the connecting devices, the HDMI port will dial down to either of 1080P, 1080I and 720P – depending on the stream.Ethernet connectivity via the RJ45 port feature allows the transfer of internet data to your computer and across the connected units too.Most new laptops offer just one or two type C ports and that limits the options to expand your ports. Harness the true power of Type C by not using it only for data but also to power your laptop. The SuperHub is can power up laptops of upto 20V/87W and that pretty much takes care of any machine in the industry as on date (9/18). To avoid power overload, the motherboard is encoded with an adaptive adjustment feature to deliver power based on the needs of connected devices only.