Plantronics Voyager 8200 UC Stereo Bluetooth Headset - Black - Bluetooth and BT600 USB Adapter (Included) Wireless Connectivity - 30m Wireless Range (with Class 1 Bluetooth Devices) - Multi-Point Connection up to Two Devices - Rechargeable, non-replaceable Lithium-ion Battery - 24 Hours Talk Time, 20 Hours Listen Time - Active Noise Cancelling (ANC) - Skype For Business (SFB) & UC Optimised - 3.5mm Cable, Charge Cable, and Carrying Case Included - 208769-01 - 12 Months Limited Warranty