Poly Voyager B8200 UC USB-C ANC Bluetooth Headset - Black - Skype For Business (SFB) & Optimized For UC Applications - Active Noise Cancelling (ANC) - Up to 24 Hours Listen, 20 Hours Talk, Up to 1 Month Standby Time - Roaming Range: Up to 30 meters - Wireless Frequency: Bluetooth v4.1 - Accessories Included: USB Charge Cable, 3.5mm Audio Cable, BT600 USB Bluetooth Adapter, Carrying Pouch - 211716-01 - 12 Months Limited Warranty