JVC (HA-FX3X) Xtreme Xplosives Earphones Headphones Deep Bass Noise Isolation Carrying Case, Cord Keeper, 3 Size Earpieces Included Metal housing & Carbon Diaphragm Frequency Response- 5-25,000Hz Norminal Impedance- 16ohms Sensitivity-104dB/ 1mW Cord Length 1.2m (3.93ft)