The SE535 In-Ear Stereo earphones from SHURE offer top-quality audio in a sleek, compact, noise-isolating design. Its in-ear design allows the earphones to effectively reduce ambient noise by as much as 37dB. The headphones use triple high-definition MicroDrivers with separate tweeter and dual woofers into each ear for rich, detailed audio across the full frequency spectrum with a deep bass response. The detachable Kevlar-reinforced cable connects to the earpieces using gold plated MMCX earpiece connectors to lock in place that allows 360 degree rotation for a comfortable fit. Other features of SHURE SE535 are Frequency Range (18Hz - 19KHz), 36 Ohms Impedance and gold plated 3.5mm Stereo Mini Plug.