Product Name:SD Pro 2 Headset for MS Lync ML 2-Ear Dect Ultra Noise XLManufacturer Part Number:1000563Product Type:HeadsetEarpiece Design:On-earEarpiece Type:BinauralMinimum Frequency Response:150 HzMaximum Frequency Response:6.80 kHzProduct Family:IMPACT SDWireless Operating Distance:590.6 ftProduct Color:BlackSilverConnectivity Technology:WirelessWireless Technology:DECTSound Mode:StereoCountry of Origin:ChinaColor:BlackSilverProduct Series:SDProduct Model:SD 30 ML - USProduct Line:IMPACTMicrophone Technology:Noise CancellingElectretBi-directionalCondenserLimited Warranty:2 YearStock Details:Manufacturer:EPOSManuf Part#:1000563