Headset | Wearing style Head-band | Office/Call center | Headset type binaural | Colour Black | Volume control Rotary | Cable length 1.8 m | Connectivity technology Wired | 3.5 mm connector Yes | Ear coupling Supraaural | Headphone frequency 20 – 20000 Hz | Headphone sensitivity 122 dB | Weight 0.08 kg