OEM Sony Ericsson Stereo Earbud Handsfree Headset for K510a K550i K750i K790a M600i P990i W200a W300i W580i W600 W610i W660i W710i W712a W800 W810i W880i W950i Z310a Z520a Z525a Z550a Z710i Z750i Brand New OEM stereo headset Clear sound Lightweight, comfortable fit Sony Ericsson Stereo Portable Handsfree HPM-70 Listening to music from your phone. Working for hands-free on cell phone