Sandberg MiniJack Office Headset Saver - 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 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 Pogledaj više: https://digitaldepot.hr/proizvod/sandberg-mini-jack-office-headset-saver