Converts all Andrea Communications headsets with dual 3.5mm audio plugs into a single 3.5mm 4 conductor plug for mobile phone use or for computers with a single audio port. Gold-plated connectors reduce corrosion and oxidation, improve signal quality, and help ensure maximum performance COMPATIBILITY - Compatible with all versions of iPhone, Smart Phones and most mobile phones, excluding Nokia - Compatible with all Laptops, Notebooks, Tablets, MacBooks, and E-Readers using a single audio port
