Fonus 2.5mm Female to 3.5mm Male 3 Rings Jack Stereo Headphone Adapter Headset Converter Supports Microphone for Net10 Samsung Galaxy Proclaim, Samsung Galaxy S 2, Samsung S390G, ZTE Merit
Just plug in the phone headset adapter and use your existing phone headset with a 2.5mm mic/audio plug on your 3.5mm smartphone jack.