2BVFD-ET-JH09headphones

ShenzhenYiKeNengE-CommerceCo.,Ltd. CoveredEquipmentCertificationAttestationLetter 4/13/2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2BVFD-ET-JH09 ShenzhenYiKeNengE-CommerceCo.,Ltd.(“theapplicant”)certifiesthattheequipment forwhichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedbyanyof theentitiesidentifiedonthecurrentCoveredList,theapplicantshouldincludean explanationonwhytheequipmentisnot“covered”equipment. ShenzhenYiKeNengE-CommerceCo.,Ltd.(“theapplicant”)certifiesthat,asofthedate ofthefilingoftheapplication,theapplicantisnotidentifiedontheCoveredList(asa specificallynamedentityoranyofitssubsidiariesoraffiliates)asanentityproducing “covered”equipment. ShenzhenYiKeNengE-CommerceCo.,Ltd.(“theapplicant”)certifiesthattheequipment forwhichauthorizationissoughtdoesnotincludecybersecurityoranti-virussoftware producedorprovidedbyKasperskyLab,Inc.oranyofitssuccessorsandassignees, includingequipmentwithintegratedKasperskyLab,Inc.(oranyofitssuccessorsand assignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446 D01CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:RuipingYang Title:Manager CompanyName:ShenzhenYiKeNengE-CommerceCo.,Ltd. Date:4/13/2026

CERTIFICATIONDESIGNATINGAU.S.AGENTFORSERVICEOFPROCESS Date:Apr.13,2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 FCCID:2BVFD-ET-JH09 ToWhomItMayConcern: Asrequiredbysection2.911(d)(7),we[ShenzhenYiKeNengE-CommerceCo.,Ltd., FRN:0038213138]certifiesthatweacknowledgethedesignationofacontactlocated intheUnitedStatesforpurposesofactingastheapplicant’sagentforserviceof process.We[ShenzhenYiKeNengE-CommerceCo.,Ltd.]acceptstomaintainan agentfornolessthanoneyearafterthegranteehasterminatedallmarketingand importationortheconclusionofanyCommission-relatedproceedinginvolvingthe equipment. Asrequiredbysection2.911(d)(7),we[ATHORSTRADINGINC,111TownSquare PlaceSuite#1203JerseyCity,NJ7310,UnitedStates,FRN:0036421360]certifies thatweacknowledgeourobligationactingastheapplicant’sagentforserviceof processfortheabovereferencedFCCID.We[ATHORSTRADINGINC]confirmthat wearenotassociatedwithorpartofanyTCBorFCCrecognisedtestlab. Thankyouforyourattentiontothismatter. Sincerelyyours, SignaturebyapplicantSignaturebydesignatedagent(ifdifferent fromapplicant) PrintedName:RuipingYangPrintedName:GeorgeWu Company:ShenzhenYiKeNengE-Commerce Co.,Ltd. Company:ATHORSTRADINGINC Address:No.19F,BuildingA,NewTianxia BeridaBuilding,WangKeCityCommunity, BananStreet,LonggangDistrict,Shenzhen City,China Address:111TownSquarePlaceSuite #1203JerseyCity,NJ7310,UnitedStates JobTitle:ManagerJobTitle:Manager Email:[email protected]:[email protected] Telephone:13265578859Telephone:(617)834-9181

ShenzhenYiKeNengE-CommerceCo.,Ltd. Date:2026-04-13 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 RE:LETTEROFAGENTAUTHORIZATION FCCID:2BVFD-ET-JH09 ToWhomItMayConcern: We,theundersigned,herebyauthorizeComplianceTesting,LLCtoactonourbehalfinallmatters relatingtoapplicationforequipmentauthorization,includingthesigningofalldocumentsrelatingto thesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothedenialof benefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21 U.S.C.853(a). Signature PrintedName:RuipingYang Company:ShenzhenYiKeNengE-CommerceCo.,Ltd. JobTitle:Manager Email:[email protected] Telephone:13265578859

ShenzhenYiKeNengE-CommerceCo.,Ltd. RequestforLong-TermConfidentialityLetter-FCC Date:2026-04-13 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 Re:RequestforLong-Termconfidentiality FCCID:2BVFD-ET-JH09 Towhomitmayconcern, Weherebyrespectfullyrequestthatundertheprovisionof47CFR0.459and0.457(d)the documentslistedbelowandattachedwiththisapplicationforcertificationbeprovidedwithLong- Termconfidentialstatus.  Schematics  OperationalDescription FrequencyBlockDiagrams  Anyexhibit/informationforwhichwehaverequestedconfidentiality,butwhichmaynotbe accordedsuchtreatmentbytheFCC,shouldbereturnedtous. Thedocumentslistedabovecontaintradesecretsthataretreatedasconfidentialbyus. Substantialcompetitiveharmtouscouldresultshouldtheybemadeavailabletothepublic. Sincerelyyours, Signature PrintedName:RuipingYang Company:ShenzhenYiKeNengE-CommerceCo.,Ltd. JobTitle:Manager Email:[email protected] Telephone:13265578859

ReportNo.:BKC26031340CE-4 ExternalPhotos Model:ET-JH09 ReportNo.:BKC26031340CE-4 ReportNo.:BKC26031340CE-4

FCCID:2BVFD-ET-JH09 Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothe followingtwoconditions:(1)thisdevicemaynotcauseharmfulinterference,and (2)Thisdevicemustacceptanyinterferencereceived,includinginterferencethat maycauseundesiredoperation. 1.5CM 0.5CM

ReportNo.:BKC26031340CE-5 InternalPhotos Model:ET-JH09 ReportNo.:BKC26031340CE-5 ReportNo.:BKC26031340CE-5 ReportNo.:BKC26031340CE-5 ReportNo.:BKC26031340CE-5 ReportNo.:BKC26031340CE-5

FCCID:2BVFD-ET-JH09 FCCRFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093，Unlessspecifically requiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-gextremity SARevaluationforgeneralpopulationexposureconditions,bymeasurementornumericalsimulation,isnot requiredwhenthecorrespondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtestexclusion thresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]·[√f(GHz)] ≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, FCCExposureEvaluation MaxPower(dBm)MaxPower(mW)Frequency(MHz)Min.distance(mm)Calc.Resultlimit 4.712.958240250.9173.0 ANTGain=-0.58dBi Result:Compliant SoaSARtestisnotrequired

Report ShenzhenYiKeNengE-CommerceCo.,Ltd. Model:ET-JH09 FCCID:2BVFD-ET-JH09 1.MaximumPeakConductedOutputPower ConditionModeFrequency (MHz) AntennaConductedPower (dBm) DutyFactor (dB) TotalPower (dBm) Limit (dBm) Verdict NVNT1-DH52402Ant13.4703.4721Pass NVNT1-DH52441Ant13.2303.2321Pass NVNT1-DH52480Ant12.4402.4421Pass NVNT2-DH52402Ant14.3504.3521Pass NVNT2-DH52441Ant14.0204.0221Pass NVNT2-DH52480Ant13.2503.2521Pass NVNT3-DH52402Ant14.7104.7121Pass NVNT3-DH52441Ant14.3604.3621Pass NVNT3-DH52480Ant13.603.621Pass Report PeakPowerNVNT1-DH52402MHzAnt1 PeakPowerNVNT1-DH52441MHzAnt1 Report PeakPowerNVNT1-DH52480MHzAnt1 PeakPowerNVNT2-DH52402MHzAnt1 Report PeakPowerNVNT2-DH52441MHzAnt1 PeakPowerNVNT2-DH52480MHzAnt1 Report PeakPowerNVNT3-DH52402MHzAnt1 PeakPowerNVNT3-DH52441MHzAnt1 Report PeakPowerNVNT3-DH52480MHzAnt1 Report 2.-20dBBandwidth ConditionModeFrequency(MHz)Antenna-20dBBandwidth(MHz)Limit-20dBBandwidth(MHz)Verdict NVNT1-DH52402Ant10.9840Pass NVNT1-DH52441Ant11.0080Pass NVNT1-DH52480Ant11.0280Pass NVNT2-DH52402Ant11.2750Pass NVNT2-DH52441Ant11.3070Pass NVNT2-DH52480Ant11.3290Pass NVNT3-DH52402Ant11.3160Pass NVNT3-DH52441Ant11.30Pass NVNT3-DH52480Ant11.2960Pass Report -20dBBandwidthNVNT1-DH52402MHzAnt1 -20dBBandwidthNVNT1-DH52441MHzAnt1 Report -20dBBandwidthNVNT1-DH52480MHzAnt1 -20dBBandwidthNVNT2-DH52402MHzAnt1 Report -20dBBandwidthNVNT2-DH52441MHzAnt1 -20dBBandwidthNVNT2-DH52480MHzAnt1 Report -20dBBandwidthNVNT3-DH52402MHzAnt1 -20dBBandwidthNVNT3-DH52441MHzAnt1 Report -20dBBandwidthNVNT3-DH52480MHzAnt1 Report 3.CarrierFrequenciesSeparation ConditionModeAntennaHoppingFreq1(MHz)HoppingFreq2(MHz)HFS(MHz)Limit(MHz)Verdict NVNT1-DH5Ant12402.0482403.0320.9840.656Pass NVNT1-DH5Ant12441.1082442.060.9520.672Pass NVNT1-DH5Ant12479.0242480.111.0860.685Pass NVNT2-DH5Ant12401.892402.8941.0040.85Pass NVNT2-DH5Ant12441.0262442.2061.180.871Pass NVNT2-DH5Ant12478.8822480.051.1680.886Pass NVNT3-DH5Ant12401.8942403.041.1460.877Pass NVNT3-DH5Ant12441.0342442.1881.1540.867Pass NVNT3-DH5Ant12479.0462480.0561.010.864Pass Report CFSNVNT1-DH52402MHzAnt1 CFSNVNT1-DH52441MHzAnt1 Report CFSNVNT1-DH52480MHzAnt1 CFSNVNT2-DH52402MHzAnt1 Report CFSNVNT2-DH52441MHzAnt1 CFSNVNT2-DH52480MHzAnt1 Report CFSNVNT3-DH52402MHzAnt1 CFSNVNT3-DH52441MHzAnt1 Report CFSNVNT3-DH52480MHzAnt1 Report 4.NumberofHoppingChannel ConditionModeAntennaHoppingNumberLimitVerdict NVNT1-DH5Ant17915Pass NVNT2-DH5Ant17915Pass NVNT3-DH5Ant17915Pass Report HoppingNo.NVNT1-DH52402MHzAnt1 HoppingNo.NVNT2-DH52402MHzAnt1 Report HoppingNo.NVNT3-DH52402MHzAnt1 Report 5.DwellTime ConditionModeFrequency (MHz) AntennaPulseTime (ms) TotalDwellTime (ms) Burst Count PeriodTime (ms) Limit (ms) Verdict NVNT1-DH52402Ant12.886323.23211231600400Pass NVNT1-DH52441Ant12.886311.68810831600400Pass NVNT1-DH52480Ant12.887323.34411231600400Pass NVNT2-DH52402Ant12.885297.15510331600400Pass NVNT2-DH52441Ant12.891283.3189831600400Pass NVNT2-DH52480Ant12.892292.09210131600400Pass NVNT3-DH52402Ant12.893338.48111731600400Pass NVNT3-DH52441Ant12.893277.7289631600400Pass NVNT3-DH52480Ant12.894300.97610431600400Pass Report DwellNVNT1-DH52402MHzAnt1OneBurst DwellNVNT1-DH52402MHzAnt1Accumulated Report DwellNVNT1-DH52441MHzAnt1OneBurst DwellNVNT1-DH52441MHzAnt1Accumulated Report DwellNVNT1-DH52480MHzAnt1OneBurst DwellNVNT1-DH52480MHzAnt1Accumulated Report DwellNVNT2-DH52402MHzAnt1OneBurst DwellNVNT2-DH52402MHzAnt1Accumulated Report DwellNVNT2-DH52441MHzAnt1OneBurst DwellNVNT2-DH52441MHzAnt1Accumulated Report DwellNVNT2-DH52480MHzAnt1OneBurst DwellNVNT2-DH52480MHzAnt1Accumulated Report DwellNVNT3-DH52402MHzAnt1OneBurst DwellNVNT3-DH52402MHzAnt1Accumulated Report DwellNVNT3-DH52441MHzAnt1OneBurst DwellNVNT3-DH52441MHzAnt1Accumulated Report DwellNVNT3-DH52480MHzAnt1OneBurst DwellNVNT3-DH52480MHzAnt1Accumulated Report 6.BandEdge ConditionModeFrequency(MHz)AntennaHoppingModeMaxValue(dBc)Limit(dBc)Verdict NVNT1-DH52402Ant1No-Hopping-54.83-20Pass NVNT1-DH52480Ant1No-Hopping-57.16-20Pass NVNT2-DH52402Ant1No-Hopping-57.41-20Pass NVNT2-DH52480Ant1No-Hopping-56.02-20Pass NVNT3-DH52402Ant1No-Hopping-50.37-20Pass NVNT3-DH52480Ant1No-Hopping-56.15-20Pass Report BandEdgeNVNT1-DH52402MHzAnt1No-HoppingRef BandEdgeNVNT1-DH52402MHzAnt1No-HoppingEmission Report BandEdgeNVNT1-DH52480MHzAnt1No-HoppingRef BandEdgeNVNT1-DH52480MHzAnt1No-HoppingEmission Report BandEdgeNVNT2-DH52402MHzAnt1No-HoppingRef BandEdgeNVNT2-DH52402MHzAnt1No-HoppingEmission Report BandEdgeNVNT2-DH52480MHzAnt1No-HoppingRef BandEdgeNVNT2-DH52480MHzAnt1No-HoppingEmission Report BandEdgeNVNT3-DH52402MHzAnt1No-HoppingRef BandEdgeNVNT3-DH52402MHzAnt1No-HoppingEmission Report BandEdgeNVNT3-DH52480MHzAnt1No-HoppingRef BandEdgeNVNT3-DH52480MHzAnt1No-HoppingEmission Report 7.BandEdge(Hopping) ConditionModeFrequency(MHz)AntennaHoppingModeMaxValue(dBc)Limit(dBc)Verdict NVNT1-DH52402Ant1Hopping-56.15-20Pass NVNT1-DH52480Ant1Hopping-55.3-20Pass NVNT2-DH52402Ant1Hopping-54.77-20Pass NVNT2-DH52480Ant1Hopping-55.89-20Pass NVNT3-DH52402Ant1Hopping-55.65-20Pass NVNT3-DH52480Ant1Hopping-55.34-20Pass Report BandEdge(Hopping)NVNT1-DH52402MHzAnt1HoppingRef BandEdge(Hopping)NVNT1-DH52402MHzAnt1HoppingEmission Report BandEdge(Hopping)NVNT1-DH52480MHzAnt1HoppingRef BandEdge(Hopping)NVNT1-DH52480MHzAnt1HoppingEmission Report BandEdge(Hopping)NVNT2-DH52402MHzAnt1HoppingRef BandEdge(Hopping)NVNT2-DH52402MHzAnt1HoppingEmission Report BandEdge(Hopping)NVNT2-DH52480MHzAnt1HoppingRef BandEdge(Hopping)NVNT2-DH52480MHzAnt1HoppingEmission Report BandEdge(Hopping)NVNT3-DH52402MHzAnt1HoppingRef BandEdge(Hopping)NVNT3-DH52402MHzAnt1HoppingEmission Report BandEdge(Hopping)NVNT3-DH52480MHzAnt1HoppingRef BandEdge(Hopping)NVNT3-DH52480MHzAnt1HoppingEmission Report 8.ConductedRFSpuriousEmission ConditionModeFrequency(MHz)AntennaMaxValue(dBc)Limit(dBc)Verdict NVNT1-DH52402Ant1-40.12-20Pass NVNT1-DH52441Ant1-39.52-20Pass NVNT1-DH52480Ant1-39.3-20Pass NVNT2-DH52402Ant1-40.77-20Pass NVNT2-DH52441Ant1-40.07-20Pass NVNT2-DH52480Ant1-38.48-20Pass NVNT3-DH52402Ant1-40.14-20Pass NVNT3-DH5…

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ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26031340CE-1 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage1of29 TESTREPORT Applicant:ShenzhenYiKeNengE-CommerceCo.,Ltd. Address: No.19F,BuildingA,NewTianxiaBeridaBuilding,WangKeCity Community,BananStreet,LonggangDistrict,ShenzhenCity,China Manufacturer:ShenzhenYiKeNengE-CommerceCo.,Ltd. Address: No.19F,BuildingA,NewTianxiaBeridaBuilding,WangKeCity Community,BananStreet,LonggangDistrict,ShenzhenCity,China ProductName:headphones ModelNumber:ET-JH09 Trademark:N/A FCCID:2BVFD-ET-JH09 TestDate: Mar.25,2026-Apr.02,2026 DateofReport: Apr.02,2026 TestResult: ThisdevicedescribedabovehasbeentestedbyBKC,andthetest resultsshowthattheequipmentundertest(EUT)isincompliance withtheFCCCFRTitle47Part15SubpartCSection15.247 requirements.Anditisapplicableonlytothetestedsampleidentified inthereport. TestProcedureUsed: Standards:FCCCFRTitle47Part15SubpartCSection15.247 ANSI C63.10-2020+Cor.1-2023 Preparedby(TestEngineer): CareyZheng Approved(Manager): CaseyWang Approved(Manager): JerryLiao ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26031340CE-1 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage2of29 TABLEOFCONTENT 1.GeneralInformation......................................................................................5 1.1.DescriptionofDevice(EUT).......................................................................................................................5 1.2.ChannelList..................................................................................................................................................5 1.3.Summaryoftestresult................................................................................................................................6 1.4.SpecialAccessoriesandAuxiliaryEquipment........................................................................................6 1.5.Testmode......................................................................................................................................................6 1.6.Testconfiguration.........................................................................................................................................7 1.7.BlockDiagram...............................................................................................................................................7 1.8.TestConditions.............................................................................................................................................7 1.9.MeasurementUncertainty(95%confidencelevels,k=2)......................................................................7 1.10.TestFacility..................................................................................................................................................8 1.11.TestEquipment...........................................................................................................................................8 2.Conductedemissionatthemainsterminalstest....................................10 2.1.Limit..............................................................................................................................................................10 2.2.TestSetup....................................................................................................................................................10 2.3.TestProcedure............................................................................................................................................10 2.4.TestResult...................................................................................................................................................11 3.RadiatedSpuriousEmissions...................................................................13 3.1.Limit..............................................................................................................................................................13 3.2.TestSetup....................................................................................................................................................14 3.3.TestProcedure............................................................................................................................................16 3.4.TestResult...................................................................................................................................................17 4.MaximumPeakOutputPower....................................................................22 4.1.Limit..............................................................................................................................................................22 4.2.TestSetup....................................................................................................................................................22 4.3.TestProcedure............................................................................................................................................22 4.4.TestResult...................................................................................................................................................22 5.-20dBBandwidthMeasurement...............................................................23 5.1.Limit..............................................................................................................................................................23 5.2.TestSetup....................................................................................................................................................23 5.3.TestProcedure............................................................................................................................................23 5.4.TestResult...................................................................................................................................................23 6.CarrierFreque…

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Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dB Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

ReportNo.:BKC26031340CE-3 EUTTESTPHOTO Model:ET-JH09 ReportNo.:BKC26031340CE-3