Sennheiser mb 660 uc ms binaural head band black silver headset headsets call centeroffice binaural head band black silver dynamic skype for
Sennheiser mb 660 uc ms suitable for call centeroffice receiver frequency 8 24000 hz width 15 cm colour black money connectivity technology wiredwireless device interface bluetooth 3 5 mm 18 usb wireless router range 25 m cable length 3 m headphone type circumaural frequency 15 23000 hz microphone frequency 150 6800 hz
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