Here is a shuriken shaped USB digital tester that can measure voltage, current, power, charge time, and more for USB A, Micro B, and USB C ports. It has a color display that turns on when you plug the device in. You can change mode with the push of a button.
More gadgets like this: here
The device has 4 connectors. It works with laptops, smartphones, and tablets. It has voltage range of 3.6 to 32V.
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