Black 3.5mm In-Ear Stereo Headset w/On-off & Mic for Sony ericsson cell phone Black 3.5mm In-Ear Stereo Headset w/ On-off & Mic for Sony ericsson cell phone This Universal 3.5mm In-Ear Stereo Headset w/ On-off & Mic, Black 3.5mm for you to carry communications on your cell phone or enjoy listening to music The stereo handsfree use soft and environmental protection wire instead of the common wire, and the soft silicone rubber in-ear cushion of handsfree is comfort and using convenience.