Sandberg 325-41 MiniJack Office Headset Saver

 For smartphone & PC Comfortable to wear Perfect for online meetings   Technical data   Cable length: 1.5 metres Connector: 1 x 3.5 mm MiniJack plug, 4 pole Converter for PC: 3.5 mm female 4 pole MiniJack to 2 x 3.5 mm male 3 pole MiniJack Supports passive noise cancellation   Earphone: Driver unit: 30 mm Frequency range: 20 Hz – 20 kHz Impedance: 32 Ohm Sensitivity: 105 dB   Microphone: Direction: Uni-directional Frequency Response: 50 Hz - 15 kHz Impedance: 2.2 k Ohm Sensitivity: -52dB ± 3dB   In the set: 1 Sandberg MiniJack Office Headset Saver 1 Headset converter smartphone->PC