EPOS Sennheiser ADAPT 360 ANC Bluetooth Headset With Mic - Microsoft Teams Certified - Active Noise Cancellation (ANC) - Range: up to 25m - Battery Time: Listening time: up to 46hrs (ANC Off)/up to 30hrs (ANC On), Talking Time: up to 39hrs (ANC Off)/up to 28hrs (ANC On) - Connectivity: Bluetooth 5.0, Audio Cable (2.5mm twist lock and 3.5mm jack plugs) - 1000209 - 2 Years Limited Warranty - Open Box