LogiLink HS0016. Device connectivity: Wired, Device interface: 2x 3.5 mm, Cable length: 2.3 m. Ear coupling: circumaural, Headphone frequency: 18 - 22000 Hz, Impedance: 32 Ом. Microphone frequency: 30 - 16000 Hz, Microphone sensitivity: 40 dB, Microphone connectivity: 3.5 mm. Weight: 0.15 kg. Package dimensions (WxDxH): 190 x 252 x 83 mm, Package weight: 0.26 kg