This monitor stand is actually a powered USB hub. It comes with a power cord and a cable to connect to a USB port on your computer. I owned and loved one (in black) for about six years and replaced it to upgrade to USB3. (The new one is white because the cost was much lower.) I use it to charge my phones and iPads and to connect my camcorder and keyboard. I don't understand the reviews complaining about the quality of the plastic unless they get a different product. The material is smooth, durable and heavy. There were complaints that something was rattling inside. Strangely, my old one rattles a bit but the new one doesn't rattle at all.
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