... Size 3,Lightweight, 4,Mobile enhancement DF200 ---The perfect stereo headset of the year! Support A2DP profile Compatible with iPhone ... rim: more elegant design Exceptional Stereo sound quality Universal 3.5 Jack: compatible with all stereo headphone Voice Alert: A built- ... grams , 4,Reversible ear hook, wear on either ear 5,Noise reduction microphone, Excellent sound performance , 6,Enhanced voice ...