I keep this handy device on my desk where it saves me from all the mini bricks I used to have. The power supply for this kid is a bit heavier than I would like, but since it has a cord I can easily get it out of the way. RockStar does an excellent job of charging all iOS devices (iPhone 7). +, iPad, etc.) and quickly charges my micro USB devices. For example, I have several wireless headphones, a photo/video light for my iPhone, and various gadgets. I even charged a relatively large battery for my Ring Spotlight battery/solar pack and didn't break a sweat. One of the important advantages of RockStar is that it is quiet. I've had cheap USB sources whine when used. RockStar is completely silent. If you have a lot of things to charge and want a big, quiet device on your desk, this is for you. I recommend without reservation.
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