Poly Savi 8420 Office Stereo DECT 1880-1900 MHz HeadsetPoly Savi 8420 Office Stereo DECT 1880 1900 MHz Headset Built for the modern office Ready for the modern office with an intuitive user interface on the universal base that can connect to almost any Savi headset. Ensure flexibility for users with the ability to connect from your computer, desk phone or mobile phone [1]. Performance DECT connectable Yes Operating keys Answer end call, Mute, Volume +, Volume Product colour Black Headset type Binaural