Converts all headsets with a single shared Audio Plug (TRRS) into Dual color-coded 3.5mm plugs for PC computer use 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 ...Converts all headsets with a single shared Audio Plug (TRRS) into Dual color-coded 3.5mm plugs for PC computer use 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 Compatible with all versions of iPhone, smart phones and most mobile phones, excluding Nokia Compatible with all laptops, notebooks, tablets, MacBook's, and e-readers using a single Audio port The C-200 mobile headset computer adapter converts all headsets with a single shared audio plug (TRRS) into dual color-coded 3.5mm plugs for PC computer use. Product features: gold-plated connectors: reduce corrosion and oxidation improve signal quality 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, MacBook's, and e-readers using a single audio port.