1. In ear design, cut according to the arc of the auricle, to isolate environmental noise and fit comfortably 2. High fidelity reduce noise mic for clear voice calls. 3. Wired control, convenient to control songs / answer calls. 4. Fashionable metal appearance, pleased to eyes. 5. 3.5mm audio jack works with all compatible mobile phones, MP3, MP4 and CD players etc.
