... Min Size 3,Lightweight, 4,Stereo sound Bluedio AVF6 AVF6 is the Bluetooth stereo headset with a fashionable design,extraordinary ... multi-fucntion button,with such a multifunction Bluetooth stereo headset,you can ... 4,Reversible ear hook, wear on either ear 5,Noise reduction microphone, Excellent sound performance , 6,Enhanced voice ...