This review is for a 4-port hub. Keep in mind that it doesn't necessarily charge connected devices (depending on what it's connected to). I have changed my previous rating from 3 to 2 stars. No wall adapter is supplied. And again, the ability to use multiple devices, rather than just charge them, depends on the power source. For example, Apple's standard USB wall outlet is insufficient to charge more than one device. For example, I need to buy a separate USB wall adapter to power/charge more than one iPhone.
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