Nice Sound QualityThe in ear monitoring headphones equip the dual dynamic drivers which make the awesome bass is decent and punchy with an aggressive attack and slow decay, vocals, highs, and mids are pleasant, Bsinger Pro gives a better sealing and overall better comfort Good Noise IsolationPretty lightweight and the unique shape of the housing generate an overall good sealing comfort and good noise-isolation, they block out ambient noises very well; the better noise isolation will be once you found the right combination of eartips Build Quality & ComfortThe BASN in-ear monitor headphones for musician well-assembled housing is smooth and glossy, it feels also solid and no crackling noise when you try to squeeze them; As for the comfort, after a long music listening session (3-4 hours), has no ear fatigue at all 2 Upgraded MMCX CablesThe iem earphones come with an integrated microphone call remote and volume control cable, and another silver-plated audio woven cable, the