Wireless Xcessories Stereo 2.5mm Headset with In-Line Microphone for Select Samsung Phones A hands free device that you can use to make phone calls with. It also doubles as a set of headphones. Includes a microphone, 1-touch button and in-line music and phone volume control. Adjust the MP3 music volume with in-line volume control. Listen for the call in both ear buds. Includes 3 sets of ear gels (small, medium & large)and shirt clip