EPOS Sennheiser PC 3 CHAT Cablato Ufficio 42 17000 Hz 77 g Auricolare Nero Cuffia 17 KHz Plug and play Stereo 77 g. EPOS PC 3 CHAT Headset on-ear. 42 17000 Hz. Microphone Noise Cancelling : Yes. Microphone Operation Mode : Uni-directional.
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