Pioneer SE-E721 Earphone : Black, Red, or White
Model: Closed DynamicDriver diameter: 9mmPlay frequency band: 5 ~ 23000 HzMaximum input: 100mwImpedance: 32 ohmsOutput sound pressure level (sensitivity): 105dBPlug: 3.5mm stereo mini plugCode: 1.2m (when stretched: 1.5m approx.)Weight: 6.5g (Not including cable)Accessories: Earphone Chip