Product Name:Sennheiser 660 Over-Ear Bluetooth ANC USB HeadsetManufacturer Part Number:1000200Product Type:HeadsetEarpiece Design:Over-the-headEarpiece Type:BinauralMinimum Frequency Response:17 HzMaximum Frequency Response:23 kHzMicrophone Design:BoomProduct Family:ADAPT 600Wireless Operating Distance:82 ftNoise Canceling:YesProduct Color:BlackConnectivity Technology:WirelessForm Factor:CircumauralWireless Technology:BluetoothSound Mode:StereoCountry of Origin:ChinaHeight:7.6Width:5.9Depth:3.1Color:BlackProduct Series:600Product Model:660Product Line:ADAPTImpedance:490 OhmMicrophone Technology:MEMS TechnologyNoise CancellingSound Pressure Level:118 dBLimited Warranty:2 YearStock Details:Manufacturer:EPOSManuf Part#:1000200