The PC 7 USB single-sided headset delivers high quality audio and clear conversation is ensured by its passive noise-canceling microphone. The plug-and- play USB connector ensures quick connection to your laptop or PC, this lightweight headset is designed for comfort and the rigors of daily use.The Features of Sennheiser PC 7 USB Single-Sided Headset at a Glance:Lightweight single-sided headsetMicrophone designed with passive noise cancellationConnectivity Wired, USB Sound CardCable length 2 mCompatible with PC & Mac OSX2 years warrantyPlug-and-play USB headsetThe PC 7 USB single-sided headset is designed for e-learning and internet telephony use, and also for those that prefer to keep one ear free for situational awareness. Proprietary transducer technology delivers high quality audio while the unidirectional microphone is designed with passive noise-cancellation for clear conversation.Plug-and-play simplicity with the USB connector ensures instant connection to your PC or laptop. This lightweight on-ear headset is designed for comfort, and careful material choice ensures durability for daily use. For long term sustainability, the ear pads are replaceable and spares are purchasable from our website. For internet telephony and e-learning use on the laptop, PC or Mac, the PC 7 USB single-sided headset delivers the quality you can trust.Sennheiser PC 7 USB Single-Sided Headset 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 Weight180gIncluding complete product and packagingDimensions of Master CartonW x H x DInner: 250mm x 230mm x 80mmOuter: 480mm x 382mm x 520mmUnits in Distributor Master Carton20LanguagesEnglishGermanItalianSpanishPortugueseDutchFrench