2BKTL-2MICINTWIRELESS CLIP-ON MICROPHONES

SimplyTechElectronics,Inc. CoveredEquipmentCertificationAttestationLetter 07/13/2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2BKTL-2MICINT SimplyTechElectronics,Inc.(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. SimplyTechElectronics,Inc.(“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamed entityoranyofitssubsidiariesoraffiliates)asanentityproducing“covered”equipment. SimplyTechElectronics,Inc.(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedor providedbyKasperskyLab,Inc.oranyofitssuccessorsandassignees,including equipmentwithintegratedKasperskyLab,Inc.(oranyofitssuccessorsandassignees) cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446D01 CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:SalHamra Title:Boss CompanyName:SimplyTechElectronics,Inc. Date:07/13/2026

SimplyTechElectronics,Inc. * theapplicantmustdesignateacontactlocatedintheUnitedStatesforpurposesofactingasthe applicant’sagentforserviceofprocess,regardlessofwhethertheapplicantisadomesticorforeign entity.AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforserviceofprocess. U.S.AgentDesignationforServiceofProcess- CertificationAttestationLetter 07/13/2026 TO:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 ATTN.:ReviewingEngineer FCCID:2BKTL-2MICINT FRNofapplicant:0035905629 Persection2.911(d)(7)oftheFCCrules,[SimplyTechElectronics,Inc.](“theapplicant”)certifies thattheequipmentforwhichauthorizationissoughtisdesignatedtothefollowingU.S.agent* forserviceofprocess: CompanyName:SimplyTechElectronics,Inc. FCCRegistrationNumber(FRN):0035905629 PhysicalU.S.CompanyAddress:1407BroadwaySuite1703,NewYork,UnitedStates10018 ContactPerson:SalHamra AgentEmailAddress:[email protected] Theabovecontactpersonacceptstheobligationforserviceofprocess. Theapplicantacceptstomaintainanagentfornolessthanoneyearafterthegranteehas terminatedallmarketingandimportationortheconclusionofanyCommission-related proceedinginvolvingtheequipment. ApplicantSigned:AgentSigned(ifdifferentfromApplicant): Signed: Printedname:SalHamra Title:Boss CompanyName:SimplyTechElectronics,Inc. Date:07/13/2026 Signed: Printedname:SalHamra Title:Boss CompanyName:SimplyTechElectronics,Inc. Date:07/13/2026

DATE:07/13/2026 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 AuthoritytoActasAgent Onourbehalf,IappointShenzhenEUTestingLaboratoryLimited (101,BuildingB1,FuqiaoFourthArea,QiaotouCommunityFuhaiSubdistrictBaoan District,Shenzhen,China)(NameofAgentcompanynameandaddress)toactasour agentinthepreparationofthisapplicationforequipmentcertification.Icertifythat submitteddocumentsproperlydescribethedeviceorsystemforwhichequipment certificationissought.Ialsocertifythateachunitmanufactured,importedormarketed,as definedintheFederalCommunicationsCommission’sregulationswillhaveaffixedtoita labelidenticaltothatsubmittedforapprovalwiththisapplication. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonour behalf,Iacknowledgethatallresponsibilityforcomplyingwiththetermsandconditions forcertification,stillresideswithSimplyTechElectronics,Inc. (1407BroadwaySuite1703,NewYork,UnitedStates10018)(Applicant Nameandaddress) Signed: Printedname:SalHamra Title:Boss CompanyName:SimplyTechElectronics,Inc. Date:07/13/2026

Date07/13/2026 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeComplianceTesting,LLCtoactonourbehalfinallmatters relatingtoapplicationforequipmentauthorization,includingthesigningofalldocumentsrelatingto thesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothedenialof benefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21 U.S.C.853(a). Sincerely, Signed: Printedname:SalHamra Title:Boss CompanyName:SimplyTechElectronics,Inc. Date:07/13/2026

DATE07/13/2026 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:___2BKTL-2MICINT______ ProductName:__WIRELESSCLIP-ONMICROPHONES___ RequestforConfidentiality PursuanttoSections0.457and0.459ofthecommission’srules,weherebyrequestthat thefollowingdocumentsbeheldconfidential: (Listherethedocumentsforwhichyouareseekingconfidentiality–forexample...)  Schematics Blockdiagram Operationdescription Thesematerialscontaintradesecretsandproprietaryinformationandarenot customarilyreleasedtothepublic.Thepublicdisclosureofthisinformationmightbe harmfultothecompanyandprovideunjustifiedbenefitstoourcompetitors. Signed: Printedname:SalHamra Title:Boss CompanyName:SimplyTechElectronics,Inc. Date:07/13/2026

DATE:07/13/2026 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:2BKTL-2MICINT ProductName:WIRELESSCLIP-ONMICROPHONES RequestforShort-TermConfidentiality PursuanttoSections0.457and0.459ofthecommissionrules,andinaccordancewiththeFCCPublicnotice datedJune15,2004(DA04-1705),weherebyrequestshort-termconfidentialityforthefollowingitemspriorto marketingthedevice.: TestSetupPhotos ExternalPhotos InternalPhotos UserManual Theapplicantrequeststheexhibitsselectedaboveasshorttermconfidentialbewithheldfrompublicview foraperiodof180daysfromthedateoftheGrantofEquipmentAuthorizationandpriortomarketing.This istoavoidprematurereleaseofsensitiveinformationpriortomarketingorreleaseoftheproducttothe public. Signed: Printedname:SalHamra Title:Boss CompanyName:SimplyTechElectronics,Inc. Date:07/13/2026

SimplyTechElectronics,Inc. DeclarationonModelDifferences We, SimplyTechElectronics,Inc. 1407BroadwaySuite1703,NewYork,UnitedStates10018 Declarethatthefollowingproduct(s): ProductName:WIRELESSCLIP-ONMICROPHONES ModelNo.:MICROPHONE-SET-BLK,MICROPHONE-SET-PK,MICROPHONE-SET-WT FCCID:2BKTL-2MICINT Allmodelsaresamewithelectricalparametersandinternalcircuitstructure,butonlydifferin appearancecolorandmodelname.Therefore,the(MICROPHONE-SET-BLK)modelwillbe theprimarytestmodel. Themanufacturerwouldtakealltheresponsibilitiesfortheaboveproduct(s). Forandonbehalfof NewYork,UnitedStates10018 AuthorizedpersonLocation Name:SalHamra Position:Boss Dateofissue:2026-07-13 *IherebydeclarethatIamentitledtosignonbehalfoftheapplicantandthattheinformationsuppliediscorrectandcomplete.

LabelLocation Label Size:20*25mm ModelNo.:MICROPHONE-SET-BLK Input:5VDC FCCID:2BKTL-2MICINT

RFEXPOSUREEVALUATION FCCID:2BKTL-2MICINT AccordingtoKDB447498D01GeneralRFExposureGuidancev06andFCC 1.1310:Thecriterialistedinthefollowingtableshallbeusedtoevaluatethe environmentimpactofhumanexposuretoradiofrequency(RF)Radiationas specifiedin § 1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. 2.4G: Channel (MHz) Maximum outputpower (dBm) Tuneup tolerance (dBm) MaxTune UpPower (dBm) Distance (mm) Calculation results Limit Operating Mode 24020.520.52±11.5250.4403 2.4G24400.910.91±11.9150.4853 24781.261.26±12.2650.5303 TestResults:PASS.

TESTREPORT ReportNo.:8432EU012206W Applicant:SimplyTechElectronics,Inc. Address:1407BroadwaySuite1703,NewYork,UnitedStates 10018 ProductName:WIRELESSCLIP-ONMICROPHONES ModelNo.:MICROPHONE-SET-BLK(refertoclause2.4) Trademark: FCCID:2BKTL-2MICINT TestStandard(s):47CFRPart15.247 TestResult:Pass DateofReceipt:Jun.22,2026 TestDate:Jun.23,2026-Jul.02,2026 DateofIssue:Jul.13,2026 ISSUEDBY: SHENZHENEUTESTINGLABORATORYLIMITED Preparedby:ReviewedandApprovedby: LandonQiu/EngineerSallyZhang/Manager Page2of59ReportNo.:8432EU012206W TRFVersion:A01 RevisionRecord ReportVersionIssuedDateDescriptionStatus V0Jul.13,2026OriginalValid Page3of59ReportNo.:8432EU012206W TRFVersion:A01 TableofContents 1COVERPAGE...................................................................................................................................................1 2GENERALINFORMATION........................................................................................................................5 2.1APPLICANTINFORMATION...................................................................................................................5 2.2MANUFACTURERINFORMATION...........................................................................................................5 2.3FACTORYINFORMATION......................................................................................................................5 2.4GENERALDESCRIPTIONOFE.U.T......................................................................................................5 2.5TECHNICALINFORMATIONOFE.U.T....................................................................................................6 3TESTSUMMARY.......................................................................................................................................7 3.1TESTSTANDARD................................................................................................................................7 3.2TESTVERDICT...................................................................................................................................7 3.3TESTLABORATORY............................................................................................................................8 4TESTCONFIGURATION...........................................................................................................................9 4.1TESTENVIRONMENT...........................................................................................................................9 4.2TESTEQUIPMENT...............................................................................................................................9 4.3DESCRIPTIONOFSUPPORTUNIT......................................................................................................12 4.4TESTMODE.....................................................................................................................................12 4.5DESCRIPTIONOFCALCULATION........................................................................................................12 4.5.1FieldStrengthCalculation..................................................................................................12 4.5.2DisturbanceCalculation.....................................................................................................12 4.6MEASUREMENTUNCERTAINTY..........................................................................................................13 4.7DEVIATIONFROMSTANDARDS..........................................................................................................13 4.8ABNORMALITIESFROMSTANDARDCONDITION..................................................................................13 5EVALUATIONRESULTS(EVALUATION)..............................................................................................14 5.1ANTENNAREQUIREMENT..................................................................................................................14 5.1.1TestSpecification...............................................................................................................14 5.1.2TestData............................................................................................................................14 6RADIOSPECTRUMMATTERTESTRESULTS(RF)............................................................................15 6.1CONDUCTEDEMISSIONATACPOWERLINE......................................................................................15 6.1.1TestSpecification...............................................................................................................15 6.1.2E.U.T.Operation.................................................................................................................15 6.1.3TestSetupDiagram...........................................................................................................15 6.1.4TestData............................................................................................................................15 6.26DBBANDWIDTH.............................................................................................................................18 6.2.1TestSpecification...............................................................................................................18 6.2.2E.U.T.Operation.................................................................................................................18 6.2.3TestSetupDiagram...........................................................................................................19 6.2.4TestData............................................................................................................................19 6.3MAXIMUMCONDUCTEDOUTPUTPOWER...........................................................................................20 6.3.1TestSpecification......................................................................................................…

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YONG CHENG INTERNATIONAL(OTA) Customer大客户DataTime2025年11月14日 12时00分05秒 ProjectName大项目 TestResult The antenna test results are good TestEngineer咏成国际13530576606 FrequencyEfficPercenGain 2400-7.1619.21%-3.81 2410-6.9620.15%-3.26 2420-7.2218.97%-3.4 2430-7.4817.87%-3.68 2440-8.0115.82%-4.02 2450-8.4114.43%-4.85 2460-8.8413.06%-4.81 2470-9.5611.07%-5.64 2480-10.429.08%-7.05 2490-11.257.51%-8.1 2500-11.676.81%-7.78 RAIN International Technology Co., Ltd. 電話: 13530576606 TEL: 13530576606 Building A, Ruite Science Park, Guwu District, Shenzhen City