Fnirsi FNB58 USB Tester Unboxing 

The Fnirsi FNB58 USB tester is one of the best for hobbyists and maybe even professional uses. This tester has support for testing and verifying the quality of USB cables, smartphone chargers, and other power supplies. It supports PD3.1 (after a firmware update), PD3.0/2.0, QC 3.0 & 2.0, Samsung AFC, SuperVOOC, and many other charging protocols. We'll unbox the tester in this video for you to see some of the features that are supported. You may find that this may be a better alternative to the Power-Z KM003C by Chargerlab.
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