Hama Shell Headphone, Headphones, Circumaural, Closed, Impedance: 32 Ohm, Sensitivity: 113 dB/mW, Frequency range: 20 - 20,000 Hz, Speaker diameter: 40 mm, Padded headband, Cable routing on one side, Weight: 150 g, 2 m Cable with gold-plated 3.5 mm plug and pluggable 6.3 mm adapter