The new ER2SE delivers clear, accurate sound using high performance dynamic drivers. The ER2SE offers Etymotic's renowned isolation featuring a variety of eartips to provide 35dB+ of noise reduction so you will hear all the detail buried in the mix without raising the volume to compensate for ambient noise. The flat frequency response of the ER2SE will appeal to sound professionals and audiophiles alike. Features:· True high-accuracy sound experience · Metal earpieces with anodized finish · 35+ dB of external noise isolation · Assortment of eartips for the perfect in-ear fit · Detachable cable allows for easy replacement · High performance moving coil driver Earphones include: · Detachable, 4-foot cable · Foam and 3-flange ear tips · Filter removal tool and filters · Compact storage pouch · Shirt clip