mini wireless bluetooth 4.0 stereo in-ear earphone for samsung iphone smartphone mp3 hifi headphone headset 20

wireless bluetooth stereo headset handsearphone for iphone samsung lg.features:.the product uses the latest bluetooth version v4.0.support for listening to music and receive calls, listen to music in stereo..listening to music can be adjusted up and down song, touch every time you enter the music band era, volume up and down button press song, press the volume key to subtract the volume, long press 3 seconds to hear the beep volume is plus or minus..each connected to the bluetooth headset a