![background image](http://html.mh-extra.com/html/black-box/hs400a/hs400a_brochure_2761500001.webp)
Each of our Mobile Headsets features
a 2.5-mm connector that plugs
into your mobile phone.
Each of our Mobile Headsets features
a 2.5-mm connector that plugs
into your mobile phone.
Mobile Headsets
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