FNIRSI FNB58 USB Port Tester, sort

Marsoni

M251S

$349.50

Get it in 3 business days with 1 day shipping. Friday, May 29

FNIRSI FNB58 USB Port Tester, sortFNIRSI FNB58 USB Port Tester Black The FNIRSI FNB58 is an advanced USB port and fast charging technology tester that allows you to easily check power parameters, protocol compatibility, and accessory quality. It offers a clear display, very high measurement precision, and broad support for fast charging standards from popular brands. It allows you to analyze voltage, current, power, and charging waveforms in real time and offline. It checks the

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We offer a 30-day return/exchange service after receiving.
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Very disappointed, not sure if I just received the one bad one or if all are made cheaply. Did not even last a day and the orange cap that protects the usb charging port broke. Messaged seller on it being defective so we will see what comes of that. Update: seller responded and sending another one. The current one, while the orange end seemed defective the light itself is super bright. My son has a much larger one but I prefer this compact size and the brightness of it

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Reviewed in the United States on September 12, 2025

Verified Purchase

Marion Hack

Houston, US

★★★★★ 3

Lights for Atv.

Number of Items: 1

It’s very flimsy but hasn’t fallen off the atv yet. We’ll see how it lights up once I take it at night. Straps are too short.

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Reviewed in the United States on January 15, 2026

Verified Purchase