Click here for Informative Product BrochureClick here for User ManualGeneral InformationManufacturer: JabraManufacturer Part Number: 9659-523-125Manufacturer Website Address: http://www.jabra.comBrand Name: JabraProduct Line: Engage 45 SEProduct Name: Engage 45 SE HeadsetMarketing Information:Hands-free, crystal clear deskphone calls.Microphone optimized for speech clarity with wideband audio.Durable design for busy environments.Compatible with the Engage 55 USB adaptor (Link 400) and Engage 65 base.Up to 150 meters / 490 feet wireless range.DECT Security certification and FIPS militarygrade 256-bit encryption.Lightweight for comfort all day.Packing: BoxProduct Type: HeadsetTechnical InformationConnectivity Technology: WirelessWireless Technology: DECTWireless Operating Distance: 492.1 ft (150 m)Sound Mode: MonoMinimum Frequency Response: 40 HzMaximum Frequency Response: 16 kHzFeatures:Hands-freeWideband AudioDurableLightweightComfortableBusylightPeakStopSafeTone 2.0 TechnologyHearing ProtectionSleep ModeNeckbandCharging Method: Charging BaseBattery InformationBattery Chemistry: Lithium Ion (Li-Ion)Battery Talk Time: 13 HourMaximum Battery Recharge Time: 1.5 HourBattery Rechargeable: YesBattery Replaceable: YesEarpieceEarpiece Design:Over-the-earOver-the-headOn-earEarpiece Type: MonauralMicrophoneMicrophone Design: BoomNumber of Microphones: 2Interfaces/PortsCharging Interface: USB Type-CControls/IndicatorsEarpiece Controls:Call/Answer/EndMutePowerVolumePhysical CharacteristicsForm Factor: Supra-auralWeight (Approximate): 2.01 oz (57 g)MiscellaneousPackage Contents:Engage 45 SE HeadsetPhone Adapter CableUser DocumentsHeadset Base UnitPower SupplyApplication/Usage:Desk PhoneVoice CallCharger Included: YesWarrantyLimited Warranty: 2 Year