Sandberg USB Mono Headset Saver - Perfect for online meetings Cable length: 1.5 metres, Connector: 1 x USB A Male plug 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 Više informacija na linku