• Comfortable & Secure Fitting..
• The JVC HA-FX66 Soft Air Cushion Headphones feature  comfortable fitting soft earpieces which provide substantial isolation from ambient noise and a friction noise reduction cord.
• Features:
• Comfortable Fitting Soft Earpieces.
• Memory Foam or Silicon Selectable Ear Pieces.
• Isolation From Ambient Noise.
• Frequency Response: 10Hz - 23,000Hz.
• Sensitivity: 101dB/1mW
• Nominal Impedance: 16?
• Cord Length: 1m  (3.28ft)
• Mass: 3.5g (0.12oz) (without cord)