The PC 8 USB stereo headset with in-line soundcard and volume/mute control delivers superlative stereo sound while its passive noise-canceling microphone ensures clear conversation. This lightweight on-ear headset is designed for the durability of daily use and compatible with PC and Mac.The Features of Sennheiser PC 8 USB Stereo Headset with In-Line Soundcard at a Glance:Lightweight USB stereo headsetIn-line sound card with volume/mute controlConnectivity Wired, USB Sound CardCable length 2 mCompatible with PC & Mac OSX2 years warrantyHeadset with in-line soundcardThe PC 8 USB stereo headset with in-line soundcard is designed for internet telephony users and e-learners that desire high quality audio and the convenience of an in-line volume/mute control.An in-line USB sound card and proprietary transducer technology delivers superlative stereo sound while the unidirectional microphone is designed for passive noise-cancellation for clear communication.The USB connector ensures plug-and-play compatibility with laptops, PCs and Mac. This extremely lightweight on-ear headset is designed for comfort and durability. The ear pads are replaceable and spares may be purchased off our website for long-term sustainable use. For internet telephony calls and e-learning this high quality lightweight headset delivers high quality audio at an excellent price point.Sennheiser PC 8 USB Stereo Headset with In-Line Soundcard Specifications:Ear CouplingOn-EarTransducer PrincipleDynamicClosedConnectivityWiredUSB Sound CardCable Length2mCompatibilityPCMac OSXWarranty2 yearsInternationalHeadphone Frequency Response42 - 17,000HzHeadphone Impedance32 Headphone Sound Pressure Level95dB SPL @ 1kHz, 1V RMSMicrophone Frequency Response90 - 15,000HzMicrophone Pick-Up PatternUnidirectionalMicrophone Sensitivity-40 dBV/PaMicrophone Impedance2,200Dimensions of PackagingW x H x D212mm x 244mm x 64.5mmPackage Weight205gIncluding complete product and packagingDimensions of Master CartonW x H x DInner: 70mm x 245mm x 215mmOuter: 480mm x 382mm x 520mmUnits in Distributor Master Carton20LanguagesEnglishGermanItalianSpanishPortugueseDutchFrench