32ENGLISHJABRA PRO™ 9450, JABRA PRO™ 9450 FLEX andJABRA PRO™ 9450 DUO10. TECHNICAL SPECIFICATIONS10.1 JABRA PRO HEADSETOperating Environment:-10˚C to +55˚C (0˚C to +40˚C when charging); Up to 95% RH non condensingCall Control:Multi-function button support for answer call, end call, reject call, redial, swap held calls; docking operations canalso answer and end callsVolume Control and Microphone Mute:Controlled via touch panel on headsetVisual Indicator:Multi-colored LED indicates call status, battery level, pairing status and other eventsAudio Indicators:Tones indicate incoming calls, low battery, volume level, microphone muting and other events; target phone canbe indicated by English voice tag or target-specific melodySound Quality:DSP noise reduction; echo cancellation; tone control; narrowband and wideband audio (selectable per phone type)Firmware Update:Updateable via USb interface when docked in the Jabra PRO baseRecharge:While docked in the Jabra PRO basePC-based Configuration:All settings can be stored and loaded from a PC for backup and mass deploymentWireless Standard:(CAT - iq) European DECT and U.S. DECTDECT Range:For European DECT; up to 150 meters from Jabra PRO base to headsetFor U.S. DECT; up to 135 meters from Jabra PRO base to headsetDECT Frequencies:US DECT: 1.92 - 1.93 GHzEU DECT: 1.88 - 1.90 GHz10.2 JABRA PRO 9450 AND JABRA PRO 9450 FLEx HEADSETSWearing-styles:Earhook or headband (neckband is available as an accessory)Speaker(s):Wideband speakerMicrophone:Noise-cancelling microphone10.3 JABRA PRO 9450 DUO HEADSETWearing-styles:HeadbandSpeaker(s):2 (Dual Mono)Microphone:Noise-cancelling microphone10.4 HEADSET BATTERyBattery Type:Lithium IonBattery Capacity:315 mA/h, typicalBattery Talk Time:Up to 10 hours - Narrowband audioUp to 7 hours - Wideband audio