KOSS 185000 Sparkplug VCw Earbuds

• Dynamic element positioned just outside the ear;• Soft foam cushion expands for a custom fit to improve isolation and enhance deep bass and treble clarity;• Fit enhances isolation to plug out ambient sounds that interfere with listening experience ;• Frequency response: 10 Hz to 20 kHz ;• Impedance: 16 ohms;• Sensitivity: 112 dB/mW;• 4 ft. white cord;• Limited lifetime warranty;• White;