With the Poly Savi 8200 Office series, you can tune out noise and nearby conversations with noise-canceling microphone plus close conversation limiting. Freedom to roam up to 590 ft/180 m means you can keep the calls going, even away from the desk. Manage all your calls with a compatible single base that offers 3-way connectivity – computer, desk phone and mobile. 13 hours of talk time on a single charge. Ability to conference up to 4 headsets onto a single base. USB-A and ISB-C cables. Noise-canceling microphone and close conversation limiting.