Features: Precisely tailored frequency response delivers rich bass, clear mid-range and extended highs. Wide, padded headband provides ergonomic fit for superior comfort over extended periods Closed-back, circumaural design rests comfortably over the ears and reduces background noise Collapsible design for easy storage and portability. Legendary Shure quality to withstand the rigors of everyday use Bayonet Clip securely locks cable into ear cup Replaceable ear cup pads included to ensure long product life 3m (10ft) coiled detachable cable provides plenty of length and easy storage and replacement Carrying bag protects headphones when on the go or not in use | Specs: Dynamic neodymium magnet transducer 40 mm Driver 102 dB/mW Sensitivity (1kHz) 44 Ù Impedance (1kHz) 1000 mW Max. input power (1kHz) 5 Hz - 25 kHz Frequency range Detachable coiled oxygen-free copper 9.84' cable Gold-plated 1/8" (3.5 mm) stereo mini jack |