Cisco Headset 532, Wired Dual On-Ear Quick Disconnect Headset with RJ-9 Cable, Charcoal, 2-Year Limited Liability Warranty (CP-HS-W-532-RJ=)Cisco Headset 532, Wired Dual On-Ear Quick Disconnect Headset with RJ-9 Cable, Charcoal, 2-Year Limited Liability Warranty (CP-HS-W-532-RJ=). Product type: Headset. Connectivity technology: Wired. Recommended usage: Office/Call center. Headphone frequency: 50 - 18000 Hz. Weight: 103.2 g. Product colour: Black, GreyPerformanceProduct typeHeadsetWearing styleHead-bandRecommended usageOffice/Call centerHeadset typeBinauralProduct colourBlack, GreyOperating keysAnswer/end call, Mute, Reject call, Volume +, Volume -Control unit typeIn-line control unitControl typeButtonsLED indicatorsYesSound pressure level (max)118 dBPlug and PlayYesCountry of originChinaPorts & interfacesConnectivity technologyWiredHeadphonesEar couplingSupraauralHeadphone frequency50 - 18000 HzImpedance90 \u03A9MicrophoneMicrophone typeBoomMicrophone frequency150 - 6800 HzMicroe