Samsung AARM0U3BBE Mic Cable Adapter with Soft-Gel In Ear Stereo Earbud Headset micro-USB connector - Headset Hands-Free for Samsung;

With this small and lightweight adapter, you can either use the included soft-gel earbuds or if you prefer, use your very own stereo headphones with a 3.5mm connector. This item includes an integrated microphone, so you can either listen to music or talk on a phone call. There is also a button on the headset which supports answering and ending of a call. Compatible with Samsung A197, Eternity II (SGH-a597) Flight (SGH-a797) Gravity 3 (SGH-t479), SGH-t369, Gravity Touch (SGH-t669) Mythic (SGH-a897) Rugby II (SGH-a847) SGH-t369 Smiley :) (SGH-t359) Strive (SGH-a687), which are Samsung model cell phones which have a micro-USB headset connection with no separate 2.5mm or 3.5mm headset jack. Your phone must be one of the listed compatible headsets, as it will not work with other models.