Shure SE535-CL Sound Isolating Earphones feature Triple High-Definition MicroDrivers utilizing a dedicated tweeter and dual woofers to deliver spacious sound with rich bass. Detachable cable with formable wire enables easy replacement and a secure fit. Comfortable sound isolating sleeves in various sizes block up to 37 dB of ambient noise, and a wide assortment of accessories offer premium customization. Spacious sound with rich bass Sound isolating design Triple high-definition MicroDrivers Lightweight, low profile shape with optimized nozzle angle designed to rest comfortably in the ear Over-the-ear configuration keeps cables out of the way Durable Kevlar reinforced cable allows easy replacement or customization Formable wire ensures secure placement Gold-plated MMCX connector with lock-snap mechanism allowing 360 degree rotation for comfortable fit Included Premium Fit Kit comes with three sizes (S, M, L) of flex and black foam sleeves, one pair of triple flange sleeves, one pair of universal fit yellow foam sleeves, a carrying case, volume control, 1/4-inch adapter and airline adapter 2-Year Limited Warranty Speaker Type: Triple High-Definition MicroDrivers Sensitivity (at 1khz): 119 dB SPL/mW Impedance (at 1kHz): 36 ohms Noise Attenuation: Up to 37 dB Frequency Range: 18 Hz – 19 kHz Input Connector: 3.5mm (1/8 inch) gold-plated stereo plug Cable: 64″ Detachable (at ear) with wireform fit Color: Clear