Motorola SKN6224A Original OEM 2.5mm to 3.5mm Stereo Wired Headset Adapter - Non-Retail Packaging - White With this unique adapter by Motorola you can use your favorite 3.5mm headsets with your 2.5mm devices This adapter will also extend your headsets cable for maximum comfort You can simply take the adapter, plug it into your phone and hook up your favorite 3.5mm headset to the adapter