JS-615呼叫中音，话务员专用拨号器电话机 JS-615callAlto,operatordedicatedtelephonedialer 此款拨号器因其专业而独特的耳机通话设计使本通讯装置具有高保真、 CancontrolthesizeofthebasevolumeCikuanDialerforitsprofessionalanduniquedesignmakesthisheadsetphone communicationdeviceswithhighfidelity, 高清晰的通话性能。 LightsareonacallCallhigh-definitionperformance. 自动接线功能 Flash,muteandlastnumberredialAutowiringfeature 内外铃声可选 RingingsoundcontrolInsideandoutsidetheringoptional 音乐MUTE功能 AutomaticfeedlinefunctionMusicMUTEfunction 收线、重拨功能 HairhoopcanbeadjustedTake-up,redialfunction 通话LED指示 Technicalparameters:CallLEDinstructions 15dB接收音量可调 Speakerimpedanceof150ohms15dBreceivervolumeadjustable 超强防雷击设计及抗EMC设计 WorkingFrequencyRange200-6000HzJS-615呼叫中音，话务员专用拨号器电话机 JS-615callAlto,operatordedicatedtelephonedialer 此款拨号器因其专业而独特的耳机通话设计使本通讯装置具有高保真、 CancontrolthesizeofthebasevolumeCikuanDialerforitsprofessionalanduniquedesignmakesthisheadsetphone communicationdeviceswithhighfidelity, 高清晰的通话性能。 LightsareonacallCallhigh-definitionperformance. 自动接线功能 Flash,muteandlastnumberredialAutowiringfeature 内外铃声可选 RingingsoundcontrolInsideandoutsidetheringoptional 音乐MUTE功能 AutomaticfeedlinefunctionMusicMUTEfunction 收线、重拨功能 HairhoopcanbeadjustedTake-up,redialfunction 通话LED指示 Technicalparameters:CallLEDinstructions 15dB接收音量可调 Speakerimpedanceof150ohms15dBreceivervolumeadjustable 超强防雷击设计及抗EMC设计 WorkingFrequencyRange200-6000Hz jennyliuM:13925538793F:+86-769+81024812E:attdtelephone@foxmail.comReal-timecommunicationtool：MSN:joystar.jenny@hotmail.comSKYPE:jennyliu2588QQ732399163homepage:http://www.0769joystar.com