1. Compacted design for comfortable wearing: It is the smallest desgin after putting the 14.5mm planar driver in the housing, so as to make the most comfortable wearing.
2. Natural & warm sound for enduring listening:  The sound is well balanced and musical. Powerful bass, warm and clear mids, smooth treble. It is good for long time listening without fatigue. 
3. Exquisite craftsmanship: The earphone housing is CNC machined out of single piece of aluminum alloy, to make the high end looking and precise chamber for accurate sound. 
4. Premium cable: The dual wire cable helps to make warm sound and transparent treble.