Type: Earbud Driver Unit: 12.5mm Frequency Response: 6Hz-26KHz Input Impedance: 16 ohms Sensitivity: 102 dB/mW Cord Length: 4.3 ft. Weight: 0.14 oz Features: RP-HJE450R Earbud Headphones: Acoustic Precision Control System Clear Sound Cord Slider Custom Comfort 2-Step Cushion ErgoFit Design for ultimate comfort and fit 3 pairs of soft earpads included (S/M/L) Red Color