This 4 port USB hub fits into any standard cable cut out in an office desk. (80mm or 3") The hub has 4 USB's and they are facing forward for easy access. The hub connects with a USB cable supplied and the 4 ports can be used for charging and data with all devices. It is perfect for USB pens and devices that need to be plugged in and out periodically. For a tidy cable free desk this product is ideal, it is really handy once you have used one!