Klein 3.5mm adapter enables connectivity of standard 3.5mm wired headsets to Sonim XP5s and XP8 handsets. Klein custom designed the 3.5mm adapter to reliably connect to Sonim’s SecureAudio Connector on the XP5s and XP8 handsets. This allows the 3.5mm adapter to screw into the handsets.
For more details, see Wireless Legal
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