Sennheiser RS 120-W headphones

Noise reduction: No | Operating time (max): 20 h | Acoustic system: Open | Weight: 215 g | Product type: Headphones | Volume control: Yes | Shooting distance: 260 m | Wearing style: Head-band | Connectivity technology: Wired | Microphone type: Not available | Driver type: Dynamic | Recommended usage: Music | Sensitivity: 100 dB | 6.35 mm connector: Yes | Impedance: 150 Ω | Total Harmonic Distortion (THD): 0.04% | Product colour: Black | Headset type: Binaural | Cable length: 3 m