Main FeaturesStandard Warranty: 1 YearManufacturer/Supplier: Califone International, IncManufacturer Part Number: HPK-1050Manufacturer Website Address: www.califone.comBrand Name: CalifoneProduct Line: TitaniumProduct Model: HPK-1050Product Name: Titanium HPK-1050 HeadsetMarketing Information: Introducing the most technically sophisticated and durable headset ever manufactured by Califone. This Mac amp; PC compatible Titanium series stereo headset will help optimize differentiated learning experiences with breakthroughs in safety, performance, comfort and durability. Headsets used in classrooms or libraries are constantly handled and worn throughout the school week. To keep it in top condition, the HPK-1050 is the first of its kind that can be completely immersed in soap and water (after its cord has been detached) for washing! Once cleaned and thoroughly dried, simply reconnect the body to its replaceable cord and the Titanium headset is ready for reuse.Product Type: HeadsetConnectivity Technology: WiredCable Length: 6 ftSound Mode: StereoImpedance: 50 OhmMinimum Frequency Response: 20 HzMaximum Frequency Response: 20 kHzFeatures: Auto Sleep, Washable, Detachable Cord, Noise CancellingEarpiece Design: Over-the-headEarpiece Type: BinauralDriver Type: NeodymiumDriver Size: 1.57Microphone Technology: Noise ReductionMicrophone Design: BoomHost Interface: Mini-phoneMaterial: Acrylonitrile Butadiene Styrene (ABS), Polyvinyl Chloride (PVC), PolyurethaneForm Factor: Ear-cup