• High Quality Sound Technology..
• The JVC HA-FXC50 features High definition and Dynamic Sound with Micro-HD Driver Unit for Superior Sound Isolation.
• The Soft Rubber Cusion provides a comfortable and secure fit. 
• Features:
• Excellent sound and superior sound isolation with newly developed "MICRO-HD driver unit" which is loaded at the tip of housing. "MICRO-HD driver unit" stays in the ear canal, providing high definition and dynamic sound directly to the ear, without diffused reflection.
• Comfortable and secure fitting with soft rubber cushion  and 3-size silicon ear pieces.
• 3 color selection.
• 3.28ft(1.0m) friction noise reduction cord.
• Gold-plated iPhone compatible plug.
• Carrying pouch included.
• Frequency Response: 10Hz - 24,000Hz.
• Sensitivity: 103dB/1mW
• Nominal Impedance: 16ohm
• Cord Length: 1m  (3.28ft)
• Mass: 3.8g (0.13oz) (without cord)
• Manufacturers Guarantee.