文档介绍：BLUETOOTH3000CarBluetoothHandfreeOperationManual  DearCustomers:Hi!ThankyouforpurchasingtheB3000CarBluetoothHandfree,!,don'                   +,,largebuttons,-inLi-:                   ●Ratedimpedance:4Ω       Battery:600mAh●Ratedpower:1W       Bluetoothversion:●Ratedvoltage:DC5V       Specifications:HSP●Weight:68g       StandbyTime:about30days●Dimension:95*52*18mm       Callduration:about12hoursListofArticles                      Master,CarCharger,USBCable,OperationManual,QualityCertificate(includingAfter-SalesServiceCard)AppearanceandFunctionalDiagram             -.  OperationManual                     (1)FixtheproducttoaproperpositionofthecarsunvisorNote:thebatteryshallbechargedfullyforthefirstboot,andpleasere