Etymotic Research ER2XR Extended Response High Performance In-Ear Earphones (Detachable Dynamic Drivers, Noise Isolating, High Accuracy, Robust Low Frequencies)

* True high-accuracy sound with enhanced and extended bass * Metal earpieces with anodized finish * 35+ dB of external noise isolation * Assortment of ear tips for the perfect in-ear fit * Detachable cable allows for easy replacement