Sandberg USB Office Headset - Perfect for online meetings Easy USB connection Comfortable to wear Cable length: 2m Connector: 1 x USB A Male plug Earphone: Driver unit: 27 mm, Frequency range: 20 Hz 20 kHz Microphone: Type: 6mm dia. electret condenser microphone 3V, Direction: Omni-directional, Frequency Response: 30 Hz - 20 kHz Više informacija na linku