✅ Simple yet powerful device + the best USB tester FNIRSI FNB58! ✅

Invexlab DE

Hi everyone! My phone isn't charging. How do I know why? Is it the charger itself or maybe the USB cable? In this video, I'll show you how to find out in literally one minute! You can perform this test with a multimeter, but it's much more accurate, faster, and informative to use a USB tester! I'll