2BSYM-5009Wireless speaker

ShenzhenEscosonTechnologyCo.,LTD Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2025-11-19 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BSYM-5009 ShenzhenEscosonTechnologyCo.,LTD(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. ShenzhenEscosonTechnologyCo.,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:DanLiu

ShenzhenEscosonTechnologyCo.,LTD Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2025/11/19 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BSYM-5009 ShenzhenEscosonTechnologyCo.,LTD(“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofits subsidiariesoraffiliates)asanentityproducing“covered” equipment. Sincerely, (Applicantsignature) ContactName:DanLiu

ShenzhenEscosonTechnologyCo.,LTD Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2025/11/19 Ref:AttestationStatementsPart2.911(d)(7)Filing FCCIDorGranteeCode:FCCID:2BSYM-5009or2BSYM ApplicantFRN:0037627890 ShenzhenEscosonTechnologyCo.,LTD( “ theapplicant ” )certifiesthat,asofthedateofthefilingofthe application,REPAmericaLLCisourdesignatedU.S.agentforserviceofprocessfortheabovereferenced FCCID.ShenzhenEscosonTechnologyCo.,LTDacceptstomaintainanagentfornolessthanoneyear afterthegranteehasterminatedallmarketingandimportationortheconclusionofanyCommission- 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, DanLiuMrBenXu ShenzhenEscosonTechnologyCo.,LTDREPAmericaLLC [InsertApplicantsignature][U.S.Agentsignature]

ShenzhenEscosonTechnologyCo.,LTD Rev11/20/07 FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2BSYM-5009. 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) DanLiu

FCCID:2BSYM-5009 Differencedeclaration WeShenzhenEscosonTechnologyCo.,LTD.applyforCE-RED/FCCIDcertification,productname: IntelligentOralCareDevice,model:K1Pro,K1,K1SE,K1plus,K1Ultra,YiboheK1,YiboheK1Plus, YiboheK1Ultra,YiboheK1SE,K1Max,YiboheK1Pro,YiboheK1Max,YiboheMini,YiboheAir1, YiboheQ1,YiboheQ1SE,YiboheQ1Plus,YiboheQ1Pro,XSK1,XSQ1,XSK1Plus,XSK1Pro,XS K1SE,XSQ1Plus,XSQ1Pro,XSQ1SE. Theproducthasmanymodels,onlythemodelnameandcolorisdifferent,andtheotherparts suchasthecircuitprinciple,pcbandelectricalstructurearethesame..Therefore,themaintest modelselectedisK1Pro. Company:ShenzhenEscosonTechnologyCo.,LTD Title:manager Name:DanLiu Signature:

ShenzhenEscosonTechnologyCo.,LTD M:\MasterDocuments\TEMPLATES\POA_Letter.doc FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:2025/11/19 SUBJECT:FCCApplicationforFCCID:2BSYM-5009 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) DanLiu

FCCID:2BSYM-5009 External FCCID:2BSYM-5009 FCCID:2BSYM-5009 FCCID:2BSYM-5009 FCCID:2BSYM-5009

LabelLocation: Label:50*30mm WirelessspeakerModel:5009 FCCID:2BSYM-5009 MadeinChina Thisdevicecomplieswithpart15oftheFCCRules.Operation issubjecttothefollowingtwoconditions:(1)Thisdevicemay notcauseharmfulinterference,and(2)thisdevicemustaccept anyinterferencereceived,includinginterferencethatmay causeundesiredoperation.

FCCID:2BSYM-5009 Internal FCCID:2BSYM-5009 ANT FCCID:2BSYM-5009

Page1of1 RFExposureEvaluationReport 1RFEXPOSURE ProductName: Wirelessspeaker ModelNo: 5009 FCCID:2BSYM-5009 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 24801.47 ±1 2.471.7660.5473 Conclusion:thecalculatedvalue≤3.0,SARisexempted.

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 0.58 MAX. Gain 0.58dBi Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 15.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -1 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: 0.58 Min: -5 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 0.5812-29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

V1.0ReportNo.:DACE251010014RL001 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 77 RFTESTREPORT For ShenzhenEscosonTechnologyCo.,LTD ProductName:Wirelessspeaker TestModel(s):5009 ReportReferenceNo.:DACE251010014RL001 FCCID:2BSYM-5009 Applicant’sName:ShenzhenEscosonTechnologyCo.,LTD Address: Room607,CreativeBuilding,MinleScienceandTechnologyPark, MeibanAvenue,LonghuaDistrict,ShenzhenCity,GuangdongProvince TestingLaboratory:ShenzhenDACETestingTechnologyCo.,Ltd. Address: 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark, TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen, Guangdong,China TestSpecificationStandard:47CFRPart15.247 DateofReceipt:October10,2025 DateofTest:October10,2025toOctober16,2025 DataofIssue:October20,2025 Result:Pass Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofShenzhenDACE TestingTechnologyCo.,Ltd.ThisdocumentmaybealteredorrevisedbyShenzhenDACETestingTechnology Co.,Ltd.personnelonly,andshallbenotedintherevisionsectionofthedocument.Thetestresultsinthe reportonlyapplytothetestedsample V1.0ReportNo.:DACE251010014RL001 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 77 Applyforcompanyinformation Applicant’sName:ShenzhenEscosonTechnologyCo.,LTD Address:Room607,CreativeBuilding,MinleScienceandTechnologyPark, MeibanAvenue,LonghuaDistrict,ShenzhenCity,GuangdongProvince ProductName:Wirelessspeaker TestModel(s):5009 SeriesModel(s):N/A TestSpecificationStandard(s):47CFRPart15.247 NOTE1: Themanufacturershouldensurethatallproductsinseriesproductionareinconformitywiththeproductsampledetailedin thisreport.Iftheproductinthisreportisusedinanyconfigurationotherthanthatdetailedinthereport,themanufacturer mustensurethenewsystemcomplieswithallrelevantstandards. Compiledby: Supervisedby: Approvedby: KerenHuang/TestEngineerBenTang/ProjectEngineerMachaelMo/Manager October20,2025October20,2025October20,2025 V1.0ReportNo.:DACE251010014RL001 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 77 RevisionHistoryOfReport VersionDescriptionREPORTNo.IssueDate V1.0OriginalDACE251010014RL001October20,2025 V1.0ReportNo.:DACE251010014RL001 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 77 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....................................................................................12 2.7IDENTIFICATIONOFTESTINGLABORATORY.................................................................................................12 2.8ANNOUNCEMENT.......................................................................................................................................12 3EVALUATIONRESULTS(EVALUATION)...........................................................................................................13 3.1ANTENNAREQUIREMENT............................................................................................................................13 3.1.1Conclusion:.................................................................................................................................13 4RADIOSPECTRUMMATTERTESTRESULTS(RF).........................................................................................14 4.1CONDUCTEDEMISSIONATACPOWERLINE................................................................................................14 4.1.1E.U.T.Operation:........................................................................................................................14 4.1.2TestSetupDiagram:...................................................................................................................14 4.1.3TestData:...................................................................................................................................15 4.220DBBANDWIDTH.....................................................................................................................................17 4.2.1E.U.T.Operation:............................................................................................................…

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FCCID:2BSYM-5009 ConductedEmissionatACpowerline Emissionsinfrequencybands(below1GHz) FCCID:2BSYM-5009 Emissionsinfrequencybands(above1GHz)