2BF3T-LB-01Wireless Earphone

ShenzhenWeoflyInnovationTechnologyCo.,LTD Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2025-10-8 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BF3T-LB-01 ShenzhenWeoflyInnovationTechnologyCo.,LTD(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. ShenzhenWeoflyInnovationTechnologyCo.,LTD(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24- 886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature) ContactName:MengLi

ShenzhenWeoflyInnovationTechnologyCo.,LTD Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2025/10/8 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BF3T-LB-01 ShenzhenWeoflyInnovationTechnologyCo.,LTD(“theapplicant”)certifiesthat,asofthedateofthe filingoftheapplication,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentity oranyofitssubsidiariesoraffiliates)asanentityproducing“covered” equipment. Sincerely, (Applicantsignature) ContactName:MengLi

ShenzhenWeoflyInnovationTechnologyCo.,LTD Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2025/10/8 Ref:AttestationStatementsPart2.911(d)(7)Filing FCCIDorGranteeCode:FCCID:2BF3T-LB-01or2BF3T ApplicantFRN:0035336114 ShenzhenWeoflyInnovationTechnologyCo.,LTD( “ theapplicant ” )certifiesthat,asofthedateofthe filingoftheapplication,REPAmericaLLCisourdesignatedU.S.agentforserviceofprocessfortheabove referencedFCCID.ShenzhenWeoflyInnovationTechnologyCo.,LTDacceptstomaintainanagentforno lessthanoneyearafterthegranteehasterminatedallmarketingandimportationortheconclusionof anyCommission-relatedproceedinginvolvingtheequipment. REPAmericaLLCaccepts,asofthedateofthefilingoftheapplication,theobligationofthedesignated U.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:REPAmericaLLC S.AgentFRN:0034192500 Address:350TerrySt.200Longmont,CO80501UnitedStates ContactPerson:MrBenXu Tel.:(719)201-3314 Email:[email protected] Sincerely, MengLiMrBenXu ShenzhenWeoflyInnovationTechnologyCo.,LTDREPAmericaLLC [InsertApplicantsignature][U.S.Agentsignature]

ShenzhenWeoflyInnovationTechnologyCo.,LTD Rev11/20/07 FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2BF3T-LB-01. PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitType Schematics Blockdiagram Operationdescription Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,wealsorequest temporaryconfidentialtreatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitType Sincerely, (signature) MengLi

ShenzhenWeoflyInnovationTechnologyCo.,LTD M:\MasterDocuments\TEMPLATES\POA_Letter.doc FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:2025/10/8 SUBJECT:FCCApplicationforFCCID:2BF3T-LB-01 ToWhomItMayConcern: We,theundersigned,herebyauthorizeMachaelMoatShenzhenDACETesting TechnologyCo.,Ltd.onourbehalf,toapplytotheFederalCommunicationsCommission onourequipment.AnyandallactscarriedoutbyShenzhenDACETestingTechnology Co.,Ltd.onourbehalfshallhavethesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection. Regards, (signature) MengLi

FCCID:2BF3T-LB-01 External FCCID:2BF3T-LB-01 FCCID:2BF3T-LB-01 FCCID:2BF3T-LB-01 FCCID:2BF3T-LB-01 FCCID:2BF3T-LB-01

LabelLocation: Label:5*12mm FCCID:2BF3T-LB-01

FCCID:2BF3T-LB-01 Internal FCCID:2BF3T-LB-01 FCCID:2BF3T-LB-01 ANT FCCID:2BF3T-LB-01 FCCID:2BF3T-LB-01 FCCID:2BF3T-LB-01 FCCID:2BF3T-LB-01

Page1of1 RFExposureEvaluationReport 1RFEXPOSURE ProductName:WirelessEarphone ModelNo:LB-01 FCCID:2BF3T-LB-01 NOTE:accordingtoKDB447498D01GeneralRFExposureGuidancev06 ， Unlessspecifically requiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-g extremitySARevaluationforgeneralpopulationexposureconditions,bymeasurementornumerical simulation,isnotrequiredwhenthecorrespondingSARTestExclusionThresholdcondition(s), listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: TheEUTisaportabledevice [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Theproductisusedatadistanceof5mmfromthehumanbody. Here, 1.1EUTRFEXPOSUREEVALUATION OperationalMode:EDR Channel (MHz) MaximumPeak Conducted OutputPower (dBm) Tuneup tolerance (dB) Maximum tune-up Power (dBm) Maximum tune-up Power (mW) Calculated value Exclusion threshold 24025.99 ±1 63.9811.2343 Conclusion:thecalculatedvalue≤3.0,SARisexempted.

1. Antenna Description: Antenna plate Internal Antenna Antenna peak gain 0 dBi Frequency range 2400MHz~2500MHz 2.Picture of antenna 3.Antenna Radiation Pattern Radiation pattern @2.402GHz Model/Part No. PCB_DCPJ_08 manufacture：Home Working Mother Co., Ltd. Antenna Specification Manufacturer Shenzhen Weofly Innovation Technology Co.,LTD Test date2022-11-26 Radiation pattern @2.441GHz Radiation pattern @2.480GHz

V1.0ReportNo.:DACE250903001RL001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 1 of 99 RFTESTREPORT For ShenzhenWeoflyInnovationTechnologyCo.,LTD ProductName:WirelessEarphone TestModel(s):LB-01 ReportReferenceNo.:DACE250903001RL001 FCCID2BF3T-LB-01 Applicant’sName:ShenzhenWeoflyInnovationTechnologyCo.,LTD Address: Room1001,BuildingT2,LijinchengCenter,YousongCommunity, LonghuaStreet,LonghuaDistrict,Shenzhen,Guangdong,China TestingLaboratory:ShenzhenDACETestingTechnologyCo.,Ltd. Address: 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark, TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen, Guangdong,China TestSpecificationStandard:47CFRPart15.247 DateofReceipt:September3,2025 DateofTest:September3,2025toSeptember6,2025 DataofIssue:September6,2025 Result:Pass Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofShenzhenDACE TestingTechnologyCo.,Ltd.ThisdocumentmaybealteredorrevisedbyShenzhenDACETestingTechnology Co.,Ltd.personnelonly,andshallbenotedintherevisionsectionofthedocument.Thetestresultsinthe reportonlyapplytothetestedsample V1.0ReportNo.:DACE250903001RL001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 2 of 99 Applyforcompanyinformation Applicant’sName:ShenzhenWeoflyInnovationTechnologyCo.,LTD Address:Room1001,BuildingT2,LijinchengCenter,YousongCommunity, LonghuaStreet,LonghuaDistrict,Shenzhen,Guangdong,China ProductName:WirelessEarphone TestModel(s):LB-01 SeriesModel(s):N/A TestSpecificationStandard(s):47CFRPart15.247 NOTE1: Themanufacturershouldensurethatallproductsinseriesproductionareinconformitywiththeproductsampledetailedin thisreport.Iftheproductinthisreportisusedinanyconfigurationotherthanthatdetailedinthereport,themanufacturer mustensurethenewsystemcomplieswithallrelevantstandards. Compiledby: Supervisedby: Approvedby: KerenHuang/TestEngineerBenTang/ProjectEngineerMachaelMo/Manager September6,2025September6,2025September6,2025 V1.0ReportNo.:DACE250903001RL001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 3 of 99 RevisionHistoryOfReport VersionDescriptionREPORTNo.IssueDate V1.0OriginalDACE250903001RL001September6,2025 V1.0ReportNo.:DACE250903001RL001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 4 of 99 CONTENTS 1TESTSUMMARY...................................................................................................................................................6 1.1TESTSTANDARDS........................................................................................................................................6 1.2SUMMARYOFTESTRESULT.........................................................................................................................6 2GENERALINFORMATION....................................................................................................................................7 2.1CLIENTINFORMATION..................................................................................................................................7 2.2DESCRIPTIONOFDEVICE(EUT)..................................................................................................................7 2.3DESCRIPTIONOFTESTMODES....................................................................................................................8 2.4DESCRIPTIONOFSUPPORTUNITS................................................................................................................8 2.5EQUIPMENTSUSEDDURINGTHETEST........................................................................................................9 2.6STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................11 2.7IDENTIFICATIONOFTESTINGLABORATORY.................................................................................................11 2.8ANNOUNCEMENT........................................................................................................................................11 3EVALUATIONRESULTS(EVALUATION)...........................................................................................................12 3.1ANTENNAREQUIREMENT............................................................................................................................12 3.1.1Conclusion:.................................................................................................................................12 4RADIOSPECTRUMMATTERTESTRESULTS(RF).........................................................................................13 4.1CONDUCTEDEMISSIONATACPOWERLINE................................................................................................13 4.1.1E.U.T.Operation:........................................................................................................................13 4.1.2TestSetupDiagram:...................................................................................................................13 4.1.3TestData:...................................................................................................................................14 4.220DBBANDWIDTH.....................................................................................................................................16 4.2.1E.U.T.Operation:................................................................................…

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FCCID:2BF3T-LB-01 ConductedEmissionatACpowerline Emissionsinfrequencybands(below1GHz) FCCID:2BF3T-LB-01 Emissionsinfrequencybands(above1GHz)