Plug W Noise Isolating Earbuds

KOSS 185331 Plug W Noise Isolating Earbuds ;Spec: • Noise-isolating in-ear stereo earbuds;• Soft memory-foam earpads create custom fit and enhance bass and treble clarity;• Frequency response performance delivers the full Koss(R) high-fidelity sound;• Freq response: 10 Hz to 20 kHz;• Impedance: 16 ohms;• Sensitivity: 112 dB SPL;• 4 ft. cord with 3.5 mm plug;• White;