Tips: identifying new version X45M headset is PLEXTONE， as is lenovo ThinkPad computers exclusive brands in the business， like， Plextone is the exclusive series Plextor logo used mobile communications and entertainment products， is now in full use， while the back of the headset package the lower left corner there is still Plextor brand identity， Plextor absolutely genuine， please rest assured purchase. There are subtle improvements on the online version X45M control buttons from silver turned black， please know.

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