Features -

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In-Line Microphone u0026amp; Volume Control

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Best for Portable DVD, CD u0026amp; MP3 Players

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iPhone Compatible

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Carrying Pouch Included

nThe new K 328 headphones deliver high-output sound with excellent frequency response in a closed-back, ear canal design that naturally blocks out ambient noise. It's true AKG performance from lightweight headphones, comfortable enough for hours of stress-free use.

Silicon Sleeves in 3 Sizes (Small, Medium, Large) Comfortable Fit Lightweight Specifications - Frequency Response 13Hz - 22.5kHz Maximum Input Power 19 mW Input Impedance 16 Ohms Sensitivity 121 dB SPL/V Cable 1m (3.28 ft.) Weight 4g (0.14 oz.)