Tune out noise & nearby conversations with Poly Savi 8210 Office Stereo Headset. Reduce background sounds with the noise-canceling microphone & close-conversation limiting. Roam up to 590' to keep calls going even away from your desk. Headset features three-way connectivity to your computer, desk phone & mobile device & allows convenient conferencing on up to two devices at once. A single charge produces up to 13 hours of talk time. Voice prompts send notifications on mute status, wireless range limit & more. Train & collaborate with ease by conferencing up to four headsets on a single base. DECT security-certified headset ensures your conversation stays private. Full Microsoft Teams certification takes your Microsoft Teams experience to the next level with a button for instant access to the app & more. Ear cushions are made with artificial leather for all-day comfort.