Click here for User ManualGeneral InformationManufacturer: LogitechManufacturer Part Number: 981-000510Manufacturer Website Address: http://www.logitech.comBrand Name: LogitechProduct Model: H540Product Name: H540 USB HeadsetMarketing Information: High-quality, high-performance headset brings your PC calls and music to life. Simply insert the USB Headset H540 and instantaneously experience crisp, digital stereo and more crystal-clear calls. With the plug-and-play USB connection, youll experience crisp, digital stereo and more true-to-life calls almost instantaneously. Laser-tuned drivers and a built-in EQ deliver superior, unrivaled audio quality and rich bass so you can maximize your listening experience. Enjoy volume and bass level control as well as the ability to instantly mute the mic at your fingertips. Youll never talk with the mute on again thanks to the easy-to-see mute indicator light. Soft leatherette padded headband and earcups allow you to talk or listen in comfort for hours on end. The adjustable microphone reduces background noises for crystal-clear chatting. Headset works with games, movies, music and common calling applications and is compatible with Windows and Mac OS. Cable is 6.Packaged Quantity: 1 EachProduct Type: HeadsetTechnical InformationConnectivity Technology: WiredSound Mode: StereoEarpieceEarpiece Design: Over-the-headEarpiece Type: BinauralMicrophoneMicrophone Design: BoomInterfaces/PortsHost Interface: USBControls/IndicatorsEarpiece Controls:VolumeBassMicrophone Controls: MutePhysical CharacteristicsColor Family: BlackColor: BlackMaterial: LeatheretteForm Factor: Semi-openMiscellaneousPackage Contents:USB Headset H540User documentationCompatibility:PCRecycled: NoAssembly Required: NoEnvironmentally Friendly: YesEnvironmental Compliance:Waste Electrical and Electronic Equipment Directive (WEEE)Restriction of Hazardous Substances (RoHS)Country of Origin: ChinaWarrantyLimited Warranty: 2 YearAdditional Warranty Information:2 yr limited hardware warranty