Poly Savi 8240 Office DECT 1880-1900 MHz USB-A HeadsetPoly Savi 8240 Office DECT 1880 1900 MHz USB A 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 Product type Headset Wearing style Handheld Recommended usage Calls Music Headset type Monaural Product colour Black Volume control