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Its 2.0 . Any USB Type A that is 3.0 or above will have will be turquoise/blue inside the plug. the 2.0 models have white on the inside of the plug. Hope i answered ur question. If ur using it on A decent cellphone the adapter works great. GL
Sorry, there was a problem. Please try again later.I don't know if this helps, but every USB 3 port I've seen has a blue space bar inside. This does not, so I'm presuming it's USB 2 only.
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