Poly Savi 8220-M Office Stereo DECT 1880-1900 MHz HeadsetPoly Savi 8220 M Office Stereo DECT 1880 1900 MHz Headset Power through the noise Hearing every word clearly on a call is not a nice to have, it is a must have. With the Poly Savi 8200 Office series, you can tune out noise and nearby conversations with noise canceling microphone plus close conversation limiting. Performance Country of origin Mexico DECT connectable Yes Control type Buttons Volume control Button Product colour Black Headset type