First let me say that I use this port hub extensively - I use it for a wide range Variety of things I need, there were different adapters. Since I got it (thank goodness it was in the last week) I've never taken it off because I don't need it at all. It doesn't bother me, it just made studying on my iPad a lot easier. First, it's important to note that this is the C-port hub that I photographed and it will not mate with other undesignated ports. This hub connector has an HDMI input, (2) USB-A, USB-C (this is how I charge my iPad without removing the device), and a headphone jack. I use this device to display my screen on my TV and yes it transmits sound. There's no lag when I flip through my PowerPoint slides or update my digital planner; everything runs smoothly and there are no crashes - another thing to note is that the iPad doesn't have the ability to change the output resolution, so there's nothing wrong with this device as it just mirrors everything it's projecting . via the HDMI connection. What I like about this device is that it can easily read everything from external hard drives to portable USB drives. Finally, this is by far the most versatile port hub I've ever owned - it came with two thick slides which I showed in the photos. They are designed to set up a port hub on a MacBook Pro and iPad without a case. I currently have a case on my iPad and I didn't have to make any adjustments as it fits quite snugly. It will be a big improvement in your study habits or important presentation projects - I highly recommend this device. And one more thing: it doesn't drain the battery at all. I left it on for 2 hours and my battery went from 98% to 96%.
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