2BT4A-BMK86Multi-Function Sauna Controller

Multi-FunctionSaunaControllerUserManual ForFar-InfraredSaunaEquipment ProductModel:BMK86 ApplicableEquipment:Far-InfraredSaunaRoom CoreFunctions:Precisetemperaturecontrol,multi-modetimer,Bluetooth musicplayback 1.ProductOverview Thisintelligentcontrollerisspecificallydesignedforfar-infrared saunaequipment.Itfeaturesanultra-slimintegrateddesigncombining themaincontrolboardandpowercontrolboard,equippedwithLEDtouch keys.Thecontrollerintegratesthreecorefunctions—temperature control,timesetting,andBluetoothmusicplayback—intooneunit. Thesystemsupportssynchronizedoperationofmulti-bandredlightand far-infraredlight,allowinguserstoenjoylighttherapywhilelistening tomusic,creatinganimmersive,intelligent,andcomfortable far-infraredsaunaexperience. 2.MainFunctions 1.TemperatureAdjustment: Adjustablerangefrom65°Fto170°F,with1°Fprecision,meeting varioussaunausagerequirements. 2.TimerFunction: Adjustabledurationfrom1to59minutes,withmemoryfunctionfor convenience. 3.BluetoothMusicPlayback: EquippedwithBluetooth5.3forfastpairingandstablemusic playback. 4.SafetyProtection: Dualsafetymechanismsincludingover-temperatureautomaticpower cut-offandautomaticshutdownupontimercompletion,ensuring safeoperation. 3.InstallationInstructions 1.Installthecontrollerassemblyatthereservedpositioninsidethe saunacabinusingscrews. 2.Connectthecontrolleroutputterminalstotheheatingelementsand lightemitters,ensuringallconnectionsaresecurelyfastened withoutlooseness. 3.Connectthededicatedcommunicationcablebetweenthecontroller andthemainsaunaunit,thenpoweronthedevice.Thecontroller displaywillilluminateandenterstandbymode,indicating successfulinstallation. 4.OperatingInstructions 4.1PowerOn&Standby 1.PowerOn: Pressandholdthepowerbuttonfor2secondstoturnonthe controller.Thesystementersthedefaultheatingmode,and temperatureandtimecanbeadjustedasrequired. 2.Standby/PowerOff: Afterthesaunasessionends,thesystemautomaticallyenters standbymode. Alternatively,tapthepowerbuttononcetoturnoff,orpressand holdfor2secondstoshutdownanddisableheating. 4.2TemperatureControl 1.Enterthetemperatureadjustmentinterface;thescreendisplaysthe settemperature. 2.Tapthe▲or▼buttontoincreaseordecreasethetemperatureby 1°Fperpress. Pressandholdtoadjustcontinuouslyat1°Fevery0.2seconds (adjustataspeedthatallowsclearvisibilityofthevalues). Adjustmentrange:65°F–170°F,accuracy:1°F. 3.Thesystemautomaticallymaintainsthesettemperatureonce reached. 4.3TimerControl 1.Enterthetimeadjustmentinterface;thescreendisplaystheset duration. 2.Tapthe▲or▼buttontoincreaseordecreasethetimeby1minute perpress. Pressandholdtoadjustcontinuouslyat1minuteevery0.2seconds. 3.Thecountdownstartsfromthesettime.Whenitreaches00,the buzzersounds5times,thepanelpowersoff,andthefourpower indicatorsremainilluminated. 4.4BluetoothMusicFunction 1.BluetoothPairing: Afterpower-on,theBluetoothbuttonlightsupwhite. TaptheBluetoothbuttontoactivatepairingmode;thebluelight flashesrapidly. EnableBluetoothonyourmobiledevice,searchfor“JNH”,and completepairing. Onceconnected,theblueindicatorremainssteadilylit. 2.MusicPlayback: Aftersuccessfulpairing,playmusicviayourmobiledevice.Volume isadjustabledirectlyonthephone. 3.BluetoothOff/Reset: TaptheBluetoothbuttontoturnoffBluetooth(whitelighton). PressandholdtheBluetoothbuttonfor2secondstoresetthe Bluetoothfunction. 4.5OtherFunctions 1.Uponpower-on,thepowerbuttondisplaysaredlight;allother buttons,numericdisplays,andEnglishindicatorsilluminate white. 2.Thelightingsystemturnsonautomaticallyatpower-on;pressthe lightingbuttontoturnitoff. 3.Thenegativeionfunctionactivatesautomaticallyatpower-on;the colorlightshowsred(coloradjustmentandoffviaremotecontrol). 4.Thelightstripbuttonlightswhiteatpower-on.Pressoncetoturn onthelightstrip;pressagaintoturnitoff. 5.Self-Test&AgingMode: PressandholdthePowerbutton+LightStripbuttonformorethan 8secondsduringpower-ontoentertheself-testandagingmode. 5.SafetyPrecautions 1.Ifanyphysicaldiscomfortoccursduringsaunause,immediately stopheatingviathecontrolpanelandexitthesaunaroom/cabin. 2.Whenthedetectedtemperatureexceedsthepresetsafetythreshold, thesystemautomaticallycutsofftheheatingpoweranddisplays an“Over-TemperatureWarning.”Heatingcanberesumedoncethe temperaturereturnstoasaferange. 3.Donotoperatethecontrollerwithwethandstoavoidelectricshock. Disconnectpowerbeforecleaningandwipethescreenwithadry, softcloth. 4.Whenusingtimermode,ensurethatnoflammableitemsarepresent inthesaunaroom/cabinifunattended. 6.Troubleshooting IssuePossibleCauseSolution Screendoesnot lightup Powernotconnectedor communicationcableloose Checkpowersupply,reconnect andsecurethecommunication cable Bluetooth pairing failure Bluetoothdisabledon phoneorexcessive distance EnablephoneBluetooth,move within10meters,andretry pairing Heatingdoes notstart Temperaturenotsetor timerinactive Settargettemperatureand checktimersettings 7.After-SalesService 1.Thisproductincludesa12-monthfreewarranty.Failurescausedby non-humanfactorsduringthewarrantyperiodareeligibleforfree repairorreplacement. 2.Fortechnicalsupportorafter-salesservicepleasecontact: Hotline:+860752-3522106 Contact:Sara

FCCID:2BT4A-BMK86 ExternalPhotosoftheEUT Fig.1 Fig.2 FCCID:2BT4A-BMK86 Fig.3 Fig.4 FCCID:2BT4A-BMK86 Fig.5 Fig.6 FCCID:2BT4A-BMK86 Fig.7

FCCID:2BT4A-BMK86 labelandlocation Fig.1 FCCID:2BT4A-BMK86 Multi-FunctionSaunaController Model:BMK86 Input:AC100-240V50/60Hz BMKHealthlifeCo.,Ltd.

FCCID:2BT4A-BMK86 InternalPhotosoftheEUT Fig.1 Fig.2 FCCID:2BT4A-BMK86 Fig.3 Fig.4 FCCID:2BT4A-BMK86 Fig.5 BTAntenna

ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. 101#,BuildingK&BuildingT,TheSecondIndustrialZone,JiazitangCommunity, FenghuangStreet,GuangmingDistrict,Shenzhen,China RFExposureevaluation ReportReferenceNo........................: FCCID.................................................: GRCTR251202014-02 2BT4A-BMK86 Compiledby (position+printedname+signature) .. : TestingEngineerJimmyWang Supervisedby (position+printedname+signature)..: ProjectEngineerKelleyZhang Approvedby (position+printedname+signature)..: ManagerSamWang Dateofissue.........................................:Dec.31,2025 TestingLaboratoryName................:ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. Address ................................................. : 101#,BuildingK&BuildingT,TheSecondIndustrialZone, JiazitangCommunity,FenghuangStreet,GuangmingDistrict, Shenzhen,China Applicant’sname ............................... :BMKHealthlifeCo.,Ltd. Address ................................................. : Besidethe36-MeterMainRoad,HuangpuSection,Xinxing IndustrialPark,ChangbuVillage,XinxuTown,HuiyangDistrict, HuizhouCity,GuangdongProvince,China. Testspecification..............................: Standard................................................: 47CFR§2.1091 KDB447498D01v06 ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerand sourceofthematerial.ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.takesno responsibilityforandwillnotassumeliabilityfordamagesresultingfromthereader'sinterpretationofthe reproducedmaterialduetoitsplacementandcontext. Testitemdescription........................:Multi-FunctionSaunaController TradeMark............................................: / Manufacturer.........................................: BMKHealthlifeCo.,Ltd. Model/Typereference.........................: BMK86 ListedModels ...................................... : / HardwareVersion ............................... :V1.0 SoftwareVersion..................................:V1.0 Frequency..............................................From2402MHzto2480MHz Ratings...................................................:AC100-240V50/60Hz Result.....................................................:PASS ReportNo.:GRCTR251202014-02Page2of9 TESTREPORT EquipmentunderTest:Multi-FunctionSaunaController Model/Type:BMK86 ListedModels:/ Applicant : BMKHealthlifeCo.,Ltd. Address: Besidethe36-MeterMainRoad,HuangpuSection,Xinxing IndustrialPark,ChangbuVillage,XinxuTown,HuiyangDistrict, HuizhouCity,GuangdongProvince,China. Manufacturer : BMKHealthlifeCo.,Ltd. Address: Besidethe36-MeterMainRoad,HuangpuSection,Xinxing IndustrialPark,ChangbuVillage,XinxuTown,HuiyangDistrict, HuizhouCity,GuangdongProvince,China. TestResult : PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:GRCTR251202014-02Page3of9 Contents 1.SUMMARY...............................................................................................................................................4 1.1.GeneralRemarks.........................................................................................................................................4 1.2.ProductDescription....................................................................................................................................4 1.3.EquipmentUnderTest................................................................................................................................4 1.4.ShortdescriptionoftheEquipmentunderTest(EUT)............................................................................4 1.5.EUTconfiguration........................................................................................................................................4 1.6.Modifications................................................................................................................................................5 2.TESTENVIRONMENT.......................................................................................................................6 2.1.Addressofthetestlaboratory...................................................................................................................6 2.2.TestFacility..................................................................................................................................................6 2.3.Environmentalconditions...........................................................................................................................6 2.4.Statementofthemeasurementuncertainty.............................................................................................6 3.METHODOFMEASUREMENT.....................................................................................................8 3.1.ApplicableStandard....................................................................................................................................8 3.2.Limit...............................................................................................................................................................8 3.3.MPECalculationMethod.............................................................................................................................8 3.4.AntennaInformation....................................................................................................................................9 3.5.ManufacturingTolerance............................................................................................................................9 4.EVALUATIONRESULT....................................................................................................................9 5.CONCLUSION.................................................…

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Antennaspec FCCID:2BT4A-BMK86 1.AntennaDescription: AntennatypeCeramicAntenna ModelKH3216-A27 Frequencyrange2400MHz~2500MHz ManufacturerSHENZHENKINGHELMETECTRIONCO.,LTD AddressRoomC809,BuildingC,ZhanTaoTechnologyBuilding,No. 1079,MinzhiAvenue,LonghuaDistrict,ShenzhenCity 2.AntennaPhoto: Unit:mm 3.AntennaEfficiencyandGain: 4.2DRadiationPattern X-ZPlane X-YPlane Y-ZPlane 5.3DRadiationPattern

ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. 101#,BuildingK&BuildingT,TheSecondIndustrialZone,JiazitangCommunity, FenghuangStreet,GuangmingDistrict,Shenzhen,China FCCPART15SUBPARTCTESTREPORT FCCPART15.247 ReportReferenceNo........................: FCCID. ................................................ : GRCTR251202014-01 2BT4A-BMK86 Compiledby (position+printedname+signature) .. : TestingEngineerJimmyWang Supervisedby (position+printedname+signature)..: ProjectEngineerKelleyZhang Approvedby (position+printedname+signature) .. : ManagerSamWang Dateofissue.........................................:Dec.31,2025 TestingLaboratoryName................: ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. Address ................................................. : 101#,BuildingK&BuildingT,TheSecondIndustrialZone,Jiazitang Community,FenghuangStreet,GuangmingDistrict,Shenzhen,China Applicant’sname...............................: BMKHealthlifeCo.,Ltd. Address.................................................: Besidethe36-MeterMainRoad,HuangpuSection,XinxingIndustrial Park,ChangbuVillage,XinxuTown,HuiyangDistrict,HuizhouCity, GuangdongProvince,China Testspecification..............................: Standard................................................: FCCPart15.247 ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongastheShenzhen GUORENCertificationTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.takesnoresponsibilityforandwillnot assumeliabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. Testitemdescription........................: Multi-FunctionSaunaController TradeMark............................................: / Manufacturer ......................................... : BMKHealthlifeCo.,Ltd. Model/Typereference.........................: BMK86 ListedModels......................................: / FirmwareVersion.................................:V1.0 HardwareVersion................................:V1.0 Modulation...........................................: GFSK,Π/4DQPSK,8DPSK Frequency.............................................. From2402MHzto2480MHz Rating.....................................................:AC100-240V50/60Hz Result.....................................................: PASS ReportNo.:GRCTR251202014-01Page 2 of 48 TESTREPORT EquipmentunderTest:Multi-FunctionSaunaController Model/Type:BMK86 ListedModels:/ Applicant:BMKHealthlifeCo.,Ltd. Address: Besidethe36-MeterMainRoad,HuangpuSection,Xinxing IndustrialPark,ChangbuVillage,XinxuTown,HuiyangDistrict, HuizhouCity,GuangdongProvince,China Manufacturer:BMKHealthlifeCo.,Ltd. Address: Besidethe36-MeterMainRoad,HuangpuSection,Xinxing IndustrialPark,ChangbuVillage,XinxuTown,HuiyangDistrict, HuizhouCity,GuangdongProvince,China TestResult:PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetestlaboratory. ReportNo.:GRCTR251202014-01Page 3 of 48 Contents 1TESTSTANDARDS...................................................................................................................................4 2SUMMARY......................................................................................................................................................5 2.1GeneralRemarks...............................................................................................................................................5 2.2ProductDescription...........................................................................................................................................5 2.3EquipmentUnderTest.......................................................................................................................................5 2.4ShortdescriptionoftheEquipmentunderTest(EUT)..................................................................................5 2.5EUToperationmode..........................................................................................................................................5 2.6BlockDiagramofTestSetup............................................................................................................................6 2.7RelatedSubmittal(s)/Grant(s)........................................................................................................................6 2.8Modifications......................................................................................................................................................6 3TESTENVIRONMENT.............................................................................................................................7 3.1Addressofthetestlaboratory..........................................................................................................................7 3.2TestFacility........................................................................................................................................................7 3.3Environmentalconditions.................................................................................................................................7 3.4Summaryofmeasurementresults...................................................................................................................7 3.5Statementofthemeasurementuncertainty....................................................................................................8 3.6EquipmentsUsedduringtheTest...................................................................................................................8 4TESTCONDITIONSANDRESULTS............................................................................................10 4.1ACPowerConductedEmission......................................................................…

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ReportNo.:GRCTR251202014-01Page 36 of 48 8DPSK(CH00)8DPSK(CH39) referencereference 30MHz-1G30MHz-1G 1G-25G1G-25G ReportNo.:GRCTR251202014-01Page 37 of 48 8DPSK(CH78) reference 30MHz-1G 1G-25G ReportNo.:GRCTR251202014-01Page 38 of 48 Band-edgeMeasurementsforRFConductedEmissions: GFSK LeftbandedgehopingoffRightbandedgehopingoff GFSK LeftbandedgehopingonRightbandedgehopingon ReportNo.:GRCTR251202014-01Page 39 of 48 π/4DQPSK LeftbandedgehopingoffRightbandedgehopingoff π/4DQPSK LeftbandedgehopingonRightbandedgehopingon ReportNo.:GRCTR251202014-01Page 40 of 48 8DPSK LeftbandedgehopingoffRightbandedgehopingoff 8DPSK LeftbandedgehopingonRightbandedgehopingon ReportNo.:GRCTR251202014-01Page 41 of 48 4.9PseudorandomFrequencyHoppingSequence TESTAPPLICABLE For47CFRPart15Csection15.247(a)(1)requirement: Frequencyhoppingsystemsshallhavehoppingchannelcarrierfrequenciesseparatedbyaminimumof25kHz orthe20dBbandwidthofthehop-pingchannel,whicheverisgreater.Alternatively,frequencyhoppingsystems operatinginthe2400–2483.5MHzbandmayhavehoppingchannelcarrierfrequenciesthatareseparatedby25 kHzortwo-thirdsofthe20dBbandwidthofthehoppingchannel,whicheverisgreater,providedthesystems operatewithanoutputpowernogreaterthan125mW.Thesystemshallhoptochannelfrequenciesthatare selectedatthesystemhoppingratefromapseudorandomlyorderedlistofhoppingfrequencies.Eachfrequency mustbeusedequallyontheaveragebyeachtransmitter.Thesystemreceiversshallhaveinputbandwidthsthat matchthehop-pingchannelbandwidthsoftheircorrespondingtransmittersandshallshiftfrequenciesin synchronizationwiththetransmittedsignals. EUTPseudorandomFrequencyHoppingSequenceRequirement Thepseudorandomfrequencyhoppingsequencemaybegeneratedinanice-stageshiftregisterwhose5 th and 9 th stageoutputsareaddedinamodulo-twoadditionstage.Andtheresultisfedbacktotheinputofthefirst stage.Thesequencebeginswiththefirstoneof9consecutiveones,forexample:theshiftregisterisinitialized withnineones. ●Numberofshiftregisterstages:9 ●Lengthofpseudo-randomsequence:29-1=511bits ●Longestsequenceofzeros:8(non-invertedsignal) Anexampleofpseudorandomfrequencyhoppingsequenceasfollows: Eachfrequencyusedequallyonetheaveragebyeachtransmitter. Thesystemreceiverhaveinputbandwidthsthatmatchthehoppingchannelbandwidthsoftheircorresponding transmitterandshiftfrequenciesinsynchronizationwiththetransmittedsignals. ReportNo.:GRCTR251202014-01Page 42 of 48 4.10AntennaRequirement StandardApplicable Forintentionaldevice,accordingtoFCC47CFRSection15.203,anintentionalradiatorshallbedesignedto ensurethatnoantennaotherthanthatfurnishedbytheresponsiblepartyshallbeusedwiththedevice. AndaccordingtoFCC47CFRSection15.247(c),iftransmittingantennasofdirectionalgaingreaterthan6dBi areused,thepowershallbereducedbytheamountindBthatthedirectionalgainoftheantennaexceeds6dBi. Refertostatementbelowforcompliance Themanufacturermaydesigntheunitsothattheusercanreplaceabrokenantenna,buttheuseofastandard antennajackorelectricalconnectorisprohibited.Further,thisrequirementdoesnotapplytointentionalradiators thatmustbeprofessionallyinstalled. AntennaConnectedConstruction Themaximumgainofantennawas5.62dBi. Remark:Theantennagainisprovidedbythecustomer,ifthedataprovidedbythecustomerisnotaccurate, ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.doesnotassumeanyresponsibility. ReportNo.:GRCTR251202014-01Page 43 of 48 5TestSetupPhotosoftheEUT ReportNo.:GRCTR251202014-01Page 44 of 48 ReportNo.:GRCTR251202014-01Page 45 of 48 6PhotosoftheEUT ReportNo.:GRCTR251202014-01Page 46 of 48 ReportNo.:GRCTR251202014-01Page 47 of 48 ReportNo.:GRCTR251202014-01Page 48 of 48 **********************EndofReport********************** BTAntenna

FCCID:2BT4A-BMK86 TestSetupPhotosoftheEUT TestSetupPhoto(s)ofRadiatedEmissionsMeasurement Fig.1 Fig.2 FCCID:2BT4A-BMK86 TestSetupPhoto(s)ofConductedEmissionsMeasurement Fig.3 TestSetupPhoto(s)ofRFMeasurement Fig.4