Headset POLY VOYAGER 8200 UC USB-A Bluetooth: A2DP, AVRCP, HFP, HSP, dual-mode active noise canceling (ANC), dual-paired four-mic DSP noise-canceling technology, and mobile wideband compatibility 20 hours of talk time, 24 hours of listening time, and a one-month standby period Using a Class 1 enabled device, up to 98 feet (30 meters), ANC 1/2, Bluetooth pairing, Bluetooth 5.0, call answer/ignore/end/redial, mute, volume +/-, smartphone VPA access, power on/off, 289g/10oz, Skype for Business certification and Microsoft® Lync® optimization. Designed for Avaya, Cisco, Skype, and other UC apps and softphones, BT600 USB Bluetooth adapter, 3.5mm audio cable, USB charging cable, carrying pouch, and one-year warranty