2BTTJ-169-8762CRFBluetooth voice remote control

Yidongxing(Huizhou)TechnologyCo.,Ltd Bloc1st,Dongju2ndRoad,Dieqi,LilinTown,ZhongkaiHigh-techZone,HuichengDistrict, HuizhouCity,China AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Jan.16,26 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2BTTJ-169-8762CRF Yidongxing(Huizhou)TechnologyCo.,Ltd(“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredList,establishedpursuantto§1.50002of referencechapter,asanentityproducing“covered”communicationequipment.Theequipmentfor whichauthorizationissoughtisnot“covered”telecommunicationsequipmentandvideosurveillance equipmentproducedbyentitiesidentifiedontheCommission’sCoveredListthatprohibitedfrom receivinganequipmentauthorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, ApplicantSignature PrintedName:CaiyongZhu Title:QualityManager Address:Bloc1st,Dongju2ndRoad,Dieqi,LilinTown,ZhongkaiHigh-techZone,HuichengDistrict,Huizhou City,China Tel.:0752-3991353 Email:[email protected]

Yidongxing(Huizhou)TechnologyCo.,Ltd Address:Bloc1st,Dongju2ndRoad,Dieqi,LilinTown,ZhongkaiHigh-techZone,HuichengDistrict, HuizhouCity,China 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Jan.16,26 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:[2BTTJ-169-8762CRF] ProductName:[Bluetoothvoiceremotecontrol] Thisletterservesasanattestationthattheequipmentidentifiedabove☐is/☒isnot(selectone)"covered" softwareasdefinedundertheFederalCommunicationsCommission(FCC)CoveredListrequirements,as outlinedinFCC22-84andKDB986446. Specifically,theundersignedcertifiesthattheequipmentforwhichauthorizationissought: 1.Doesnotcontaincybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessors,assignees,parents,subsidiaries,affiliates,oranyentitythathasrebranded orrelabeledsoftwareproducedbytheaforementionedentities. 2.Doesnothavethecapabilitytostore,run,ordeliveranysoftwareidentifiedontheFCCCoveredList, includingbutnotlimitedtocybersecurityandanti-virussoftware. Tosupportthisattestation,theappendixevaluationdocumentationhasbeenpreparedandisincludedinthe certificationfiling. Thisattestationisbasedonathoroughevaluationofthedevice'sdesign,functionality,andsoftware environment.Theundersignedaffirmsthattheinformationprovidedisaccurateandcompletetothebestof theirknowledge. Sincerelyyours, ApplicantSignature PrintedName:CaiyongZhu Title:QualityManager Address:Bloc1st,Dongju2ndRoad,Dieqi,LilinTown,ZhongkaiHigh-techZone,HuichengDistrict,Huizhou City,China Tel.:0752-3991353 Email:[email protected] Yidongxing(Huizhou)TechnologyCo.,Ltd Address:Bloc1st,Dongju2ndRoad,Dieqi,LilinTown,ZhongkaiHigh-techZone,HuichengDistrict, HuizhouCity,China 2|Page EvaluationregardingtotheCoveredListSoftware: Compliance Methodology EvaluationProcessResults Deviceis Inherent compliance ☒ TheChipset(s)usedislimitedtorun theCybersecurityoranti-virus software. Compliance ☒ TheMemoryusedislimitedtorunthe Cybersecurityoranti-virussoftware. Compliance ☒ Thereisstoragecapacitylimitationfor storeorinstalltheCybersecurityor anti-virussoftware. Compliance ☒ Operatingsystemusedislimitedto run,installordelivertheCybersecurity oranti-virussoftware. Compliance Deviceisnot Inherent compliance ☐ EvaluationBasedonSoftware BillofMaterials(SBoM) Seeattached“SBoM“ Note:TheSBoMcontentislimited tothescopeofcoveredlist software(e.g.antivirusand cybersecuritysoftware). ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck

Yidongxing(Huizhou)TechnologyCo.,Ltd Address:Bloc1st,Dongju2ndRoad,Dieqi,LilinTown,ZhongkaiHigh-techZone,Huicheng District,HuizhouCity,China (Jan.16,2026) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2BTTJ-169-8762CRF PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow: BlockDiagram Schematics OperationalDescription Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. PursuanttoDA04-1705,theapplicantalsorequeststemporaryconfidentialtreatmentoftheexhibits outlinedbelowforaperiodof(upto180)daysfromthedateofequipmentauthorizationandpriorto marketingintheUnitedStatestopreventtheprematurereleaseofanysensitiveinformation.Applicantis awareoftheirresponsibilitytonotifyDERYCOMintheeventinformationregardingtheproductorthe productismadeavailabletothepublicbeforetherequestedperiodhasexpired.  UserManual Sincerely, (Signature) Title:QualityManager Address:Bloc1st,Dongju2ndRoad,Dieqi,LilinTown,ZhongkaiHigh-techZone,HuichengDistrict, HuizhouCity,China Tel.:0752-3991353 Email:[email protected]

Yidongxing(Huizhou)TechnologyCo.,Ltd Address:Bloc1st,Dongju2ndRoad,Dieqi,LilinTown,ZhongkaiHigh-techZone,Huicheng District,HuizhouCity,China (Jan.16,2026) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2BTTJ-169-8762CRF I,theundersigned,herebyauthorize(ShenzhenBKCTestingCo.,Ltd.)toactonourbehalfinallmatters relatingtothisapplicationforequipmentcertification. Anyactcarriedoutby(ShenzhenBKCTestingCo.,Ltd.)shallhavethesameeffectasourownandI acknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsofcertification,as specifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswith(Yidongxing(Huizhou) TechnologyCo.,Ltd). WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, (Signature) (FullnameofcontactpersonlistedonFCC’swebsite)CaiyongZhu (Title):QualityManager Tel:0752-3991353 Fax:N/A Email:[email protected]

FCCID:2BTTJ-169-8762CRFExternalPhotos

FCCID:2BTTJ-169-8762CRFInternalPhotos BTAnt

FCCID:2BTTJ-169-8762CRF RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤5.0mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, SoSARtestisnotrequired ModeFreque ncy (MHz) Max Power (dBm) Target power W/ tolerance (dBm) Maxtune uppower tolerance (dBm) Max Power (mW) Min. Distanc e (mm) Calc. threshol ds limit BLEGFSK 2402 -0.73 0±111.25895.000.39023.0 2440 -2.10 -2±1-10.79435.000.24823.0 2480 -5.04 -5±1-40.39815.000.12543.0

浙江东胜物联技术有限公司 AntennaSpecification Specifications Summary BRANDDUSUN ANTENNATYPE PCB Model DSBC-100Antenna ConnecttypeSoldering AntennaPhoto&Length ITEMSPEC. ModelNameCH2.4GHz CenterFrequency 2402MHz 2440MHz 2480MHz 1.1dBi 1.2dBi 1dBi MAX.GAIN1.2dBi PolarizationHorizontal AzimuthBeamPattern Omni-directional Impedance50Ω Antennasize11.1*7mm 浙江东胜物联技术有限公司 Efficiency frequencyefficiency 240030.15 241033.58 242035.62 243037.81 244040.67 245042.68 246041.77 247039.65 248037.21 249034.25 250031.17 浙江东胜物联技术有限公司 Direction 浙江东胜物联技术有限公司 浙江省德清丰庆街640号NO.640FengQingstr.,DeQing,ZheJiang,China TEL:0086-572-8823300(6lines)FAX:0086-572-8823330EMAIL:[email protected] WWW.HZDUSUN.COM

Page1of16 FCCIDBLE FCCID:2BTTJ-169-8762CRF FCC_ BLE (Part15.247)TestData TableofContents 1.-6dBBandwidth.......................................................................................................................................................2 2.99%OccupiedBandwidth....................................................................................................................................4 3.DutyCycle.................................................................................................................................................................6 4.PeakOutputPower.................................................................................................................................................8 5.PowerSpectralDensity.......................................................................................................................................10 6.Bandedge................................................................................................................................................................12 7.SpuriousEmission.................................................................................................................................................14 Page2of16 FCCIDBLE FCC_BLE(Part15.247)TestData 1.-6dBBandwidth ConditionAntennaRateFrequency(MHz)-6dBBW(kHz)limit(kHz)Result NVNTANT11Mbps2402.00669.36500Pass NVNTANT11Mbps2440.00668.18500Pass NVNTANT11Mbps2480.00668.82500Pass -6dB_Bandwidth_NVNT_ANT1_1Mbps_2402 -6dB_Bandwidth_NVNT_ANT1_1Mbps_2440 Page3of16 -6dB_Bandwidth_NVNT_ANT1_1Mbps_2480 Page4of16 2.99%OccupiedBandwidth ConditionAntennaRateFrequency(MHz)99%%BW(MHz) NVNTANT11Mbps2402.001.018 NVNTANT11Mbps2440.001.019 NVNTANT11Mbps2480.001.019 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2402 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2440 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2480 Page5of16 Page6of16 3.DutyCycle ConditionAntennaRateFrequency(MHz)Dutycycle(%)Duty_factor NVNTANT11Mbps2402.0087.200.59 NVNTANT11Mbps2440.0087.200.59 NVNTANT11Mbps2480.0087.200.59 Duty_Cycle_NVNT_ANT1_1Mbps_2402 Duty_Cycle_NVNT_ANT1_1Mbps_2440 Duty_Cycle_NVNT_ANT1_1Mbps_2480 Page7of16 Page8of16 4.PeakOutputPower ConditionAntennaRate Frequency (MHz) Max.Conducted Power(dBm) Max.Conducted Power(mW) Limit(mW)Result NVNTANT11Mbps2402.00-0.730.851000Pass NVNTANT11Mbps2440.00-2.100.621000Pass NVNTANT11Mbps2480.00-5.040.311000Pass Peak_Output_Power_NVNT_ANT1_1Mbps_2402 Peak_Output_Power_NVNT_ANT1_1Mbps_2440 Peak_Output_Power_NVNT_ANT1_1Mbps_2480 Page9of16 Page10of16 5.PowerSpectralDensity ConditionAntennaRateFrequency(MHz) PowerSpectral Density(dBm/3kHz) Limit(dBm/3kHz)Result NVNTANT11Mbps2402.00-17.268Pass NVNTANT11Mbps2440.00-18.588Pass NVNTANT11Mbps2480.00-21.598Pass Power_Spectral_Density_NVNT_ANT1_1Mbps_2402 Power_Spectral_Density_NVNT_ANT1_1Mbps_2440 Power_Spectral_Density_NVNT_ANT1_1Mbps_2480 Page11of16 Page12of16 6.Bandedge ConditionAntennaModulation TX_Frequency (MHz) Max. Mark_freq(MHz) Ref_level(dBm) Spurious level(dBm) limit(dBm)Result NVNTANT11Mbps2402.002354.270-0.999-46.954-20.999Pass NVNTANT11Mbps2480.002490.200-5.247-61.952-25.247Pass 1_Reference_Level_NVNT_ANT1_1Mbps_2402 2_Bandedge_NVNT_ANT1_1Mbps_2402 1_Reference_Level_NVNT_ANT1_1Mbps_2480 Page13of16 2_Bandedge_NVNT_ANT1_1Mbps_2480 Page14of16 7.SpuriousEmission ConditionAntennaModulation TX_Frequency (MHz) Ref_level(dBm) Spurious level(dBm) limit(dBm)Result NVNTANT11Mbps2402.00-0.999-48.420-20.999Pass NVNTANT11Mbps2440.00-2.279-48.544-22.279Pass NVNTANT11Mbps2480.00-5.247-54.572-25.247Pass 1_Reference_Level_NVNT_ANT1_1Mbps_2402 2_Spurious_Emission_NVNT_ANT1_1Mbps_2402 1_Reference_Level_NVNT_ANT1_1Mbps_2440 Page15of16 2_Spurious_Emission_NVNT_ANT1_1Mbps_2440 1_Reference_Level_NVNT_ANT1_1Mbps_2480 Page16of16 2_Spurious_Emission_NVNT_ANT1_1Mbps_2480

ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26010065AE-1 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage1of26 TESTREPORT Applicant:Yidongxing(Huizhou)TechnologyCo.,Ltd Address: Bloc1st,Dongju2ndRoad,Dieqi,LilinTown,ZhongkaiHigh-tech Zone,HuichengDistrict,HuizhouCity,China Manufacturer:Yidongxing(Huizhou)TechnologyCo.,Ltd Address: Bloc1st,Dongju2ndRoad,Dieqi,LilinTown,ZhongkaiHigh-tech Zone,HuichengDistrict,HuizhouCity,China ProductName:Bluetoothvoiceremotecontrol ModelNumber:YDX169-8762CRF Trademark:N/A FCCID:2BTTJ-169-8762CRF TestDate:Dec.31,2025~Jan.14,2026 DateofReport:Jan.14,2026 TestResult: ThisdevicedescribedabovehasbeentestedbyBKC,andthetest resultsshowthattheequipmentundertest(EUT)isincompliancewith theStandardrequirements.Anditisapplicableonlytothetested sampleidentifiedinthereport. TestProcedureUsed: Standards:FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2020 Preparedby(TestEngineer): CareyZheng Reviewer(Supervisor): CaseyWang Approved(Manager): JerryLiao ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26010065AE-1 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage2of26 TABLEOFCONTENT 1.GeneralInformation......................................................................................4 1.1.DescriptionofDevice(EUT).......................................................................................................................4 1.2.ChannelList..................................................................................................................................................4 1.3.Summaryoftestresult................................................................................................................................5 1.4.SpecialAccessoriesandAuxiliaryEquipment........................................................................................5 1.5.Testmode......................................................................................................................................................5 1.6.Testconfiguration.........................................................................................................................................5 1.7.BlockDiagram...............................................................................................................................................6 1.8.TestConditions.............................................................................................................................................6 1.9.MeasurementUncertainty(95%confidencelevels,k=2)......................................................................6 1.10.TestFacility..................................................................................................................................................7 1.11.TestEquipment...........................................................................................................................................7 2.Conductedemissionatthemainsterminalstest......................................9 2.1.Limit................................................................................................................................................................9 2.2.TestSetup......................................................................................................................................................9 2.3.TestProcedure..............................................................................................................................................9 2.4.TestResult.....................................................................................................................................................9 3.RadiatedSpuriousEmissions...................................................................10 3.1.Limit..............................................................................................................................................................10 3.2.TestSetup....................................................................................................................................................11 3.3.TestProcedure............................................................................................................................................13 3.4.TestResult...................................................................................................................................................14 4.ConductedSpuriousEmissions................................................................19 4.1.Limit..............................................................................................................................................................19 4.2.TestSetup....................................................................................................................................................19 4.3.TestProcedure............................................................................................................................................19 4.4.TestResult...................................................................................................................................................20 5.BandEdgeMeasurement...........................................................................21 5.1.Limit..............................................................................................................................................................21 5.2.Testsetup....................................................................................................................................................21 5.3.TestProcedure............................................................................................................................................21 5.4.TestResult...................................................................................................................................................21 6.-6dBBandwidthand99%BandwidthMeasurement.....…

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FCCID:2BTTJ-169-8762CRFTestphoto