Headset | Wearing style Head-band | Office/Call center | Headset type Binaural | Colour Black | Cable length 2.35 m | Connectivity technology Wired | 3.5 mm connector Yes | Ear coupling Supraaural | Headphone frequency 20 - 20000 Hz | Headphone sensitivity 100 dB | USB Type-C charging port Yes | USB Type-C required charging power (min) 2.5 W