Why do some USB ports have blue inside

Why do some USB ports have blue inside

$34.88

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usb blue port
Why do some USB ports have blue inside

A total of 3 guests made comments

2026-01-28

Easy to use and works exactly as advertised.

2026-01-26

Works consistently and feels dependable.

2026-01-29

Performs its purpose well without any problems.

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