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100% Original DUNU DN-12 DN12 T*rident Metal Full Range Noise-Isolation In-Ear Earphones Features:1.The DUNU T*rident DN-12 has loaded with high full frequency unit, enhances the detailed of bass and presents crisp and crystal in mid and treble. It also provides you the high sound quality and the best recognition.2.The DUNU T*rident DN-12 is designed with highly covered and sound leaking proof which can block the outer noises and only preserves the sound you desire.3.With DUNU’s patent technology (F.R.E.S), the full frequency enhancing system, it presents you rich dynamic and extraordinary full range music incisively and vividly.4.Highly airtight stereo earplug earphone can produce broad frequency response and has outstanding balance between highs and lows. Therefore it is able to reproduce the origin high quality sound.5.Multilayer-membrane design helps reducing the excess vibration that may cause distortion to achieve first-class quality.6.Titanmium body part is manufactured by forging with the mirror finished solid outer skin. We reduce the space between the minor compon