2AYRH-S375-IN-1 MAGNETIC WIRELESS CHARGING SPEAKER

ShenzhenSemetorElectronicsCo.,LTD CoveredEquipmentCertificationAttestationLetter 6/9/2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2AYRH-S37 ShenzhenSemetorElectronicsCo.,LTD(“theapplicant”)certifiesthattheequipmentfor whichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedbyanyof theentitiesidentifiedonthecurrentCoveredList,theapplicantshouldincludean explanationonwhytheequipmentisnot“covered”equipment. ShenzhenSemetorElectronicsCo.,LTD(“theapplicant”)certifiesthat,asofthedateof thefilingoftheapplication,theapplicantisnotidentifiedontheCoveredList(asa specificallynamedentityoranyofitssubsidiariesoraffiliates)asanentityproducing “covered”equipment. ShenzhenSemetorElectronicsCo.,LTD(“theapplicant”)certifiesthattheequipmentfor whichauthorizationissoughtdoesnotincludecybersecurityoranti-virussoftware producedorprovidedbyKasperskyLab,Inc.oranyofitssuccessorsandassignees, includingequipmentwithintegratedKasperskyLab,Inc.(oranyofitssuccessorsand assignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446 D01CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:Monfangsen Title:CEO CompanyName:ShenzhenSemetorElectronicsCo.,LTD Date:6/9/2026

CERTIFICATIONDESIGNATINGAU.S.AGENTFORSERVICEOFPROCESS Date:Jun.08,2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 FCCID:2AYRH-S37 ToWhomItMayConcern: Asrequiredbysection2.911(d)(7),we[ShenzhenSemetorElectronicsCo.,LTD,FRN: 0030454680]certifiesthatweacknowledgethedesignationofacontactlocatedinthe UnitedStatesforpurposesofactingastheapplicant’sagentforserviceofprocess.We [ShenzhenSemetorElectronicsCo.,LTD]acceptstomaintainanagentfornoless thanoneyearafterthegranteehasterminatedallmarketingandimportationorthe conclusionofanyCommission-relatedproceedinginvolvingtheequipment. 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:MonfangsenPrintedName:GeorgeWu Company:ShenzhenSemetorElectronicsCo., LTD Company:ATHORSTRADINGINC Address:B3,3thfloor,guanglongbuilding, No.162,pingxinnorthroad,hehuacommunity, pinghustreet,longgangdistrict,shenzhencity, GuangdongProvince,China Address:111TownSquarePlaceSuite #1203JerseyCity,NJ7310,UnitedStates JobTitle:CEOJobTitle:Manager Email:[email protected]:[email protected] Telephone:13714919643Telephone:(617)834-9181

ShenzhenSemetorElectronicsCo.,LTD Date:2026-06-09 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 RE:LETTEROFAGENTAUTHORIZATION FCCID:2AYRH-S37 ToWhomItMayConcern: We,theundersigned,herebyauthorizeComplianceTesting,LLCtoactonourbehalfinallmatters relatingtoapplicationforequipmentauthorization,includingthesigningofalldocumentsrelatingto thesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothedenialof benefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21 U.S.C.853(a). Signature PrintedName:Monfangsen Company:ShenzhenSemetorElectronicsCo.,LTD JobTitle:CEO Email:[email protected] Telephone:13714919643

ShenzhenSemetorElectronicsCo.,LTD RequestforLong-TermConfidentialityLetter-FCC Date:2026-06-09 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 Re:RequestforLong-Termconfidentiality FCCID:2AYRH-S37 Towhomitmayconcern, Weherebyrespectfullyrequestthatundertheprovisionof47CFR0.459and0.457(d)the documentslistedbelowandattachedwiththisapplicationforcertificationbeprovidedwithLong- Termconfidentialstatus.  Schematics  OperationalDescription FrequencyBlockDiagrams Anyexhibit/informationforwhichwehaverequestedconfidentiality,butwhichmaynotbe accordedsuchtreatmentbytheFCC,shouldbereturnedtous. Thedocumentslistedabovecontaintradesecretsthataretreatedasconfidentialbyus. Substantialcompetitiveharmtouscouldresultshouldtheybemadeavailabletothepublic. Sincerelyyours, Signature PrintedName:Monfangsen Company:ShenzhenSemetorElectronicsCo.,LTD JobTitle:CEO Email:[email protected] Telephone:13714919643

ShenzhenSemetorElectronicsCo.,LTD ProductSimilarityDeclaration Productname:5-IN-1MAGNETICWIRELESSCHARGING SPEAKER Modelname:S37,S_37 FCCID:2AYRH-S37 We(ShenzhenSemetorElectronicsCo.,LTD)herebystatethat allthemodelsareelectricalidenticalincludingthesamesoftware parameterandhardwaredesign(i.e.,circuitdesign,PCBLayout, RFmodule/circuit,antennatype(s)andantennalocation, componentsonPCB,etc.,),samemechanicalstructureand design(includingproductenclosure,materials,etc.,).Onlythe modelnamesaredifferent. Signature PrintedName:Monfangsen Company:ShenzhenSemetorElectronicsCo.,LTD JobTitle:CEO Email:[email protected] Telephone:13714919643

ReportNo.:BKC26041865DE-7 ExternalPhotos Model:S37 ReportNo.:BKC26041865DE-7 ReportNo.:BKC26041865DE-7 ReportNo.:BKC26041865DE-7 ※※※※※ENDOFREPORT※※※※※

FCCID:2AYRH-S37 1.5CM 0.5CM

ReportNo.:BKC26041865DE-8 InternalPhotos Model:S37 ReportNo.:BKC26041865DE-8 ReportNo.:BKC26041865DE-8 ReportNo.:BKC26041865DE-8 ReportNo.:BKC26041865DE-8 ※※※※※ENDOFREPORT※※※※※

FCCID:2AYRH-S37 RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1091，Unlessspecifically requiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-gextremity SARevaluationforgeneralpopulationexposureconditions,bymeasurementornumericalsimulation,isnot requiredwhenthecorrespondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhumanexposure toradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) Frequencyrange (MHz) Electricfield strength (V/m) Magneticfieldstrength (A/m) Powerdensity (mW/cm 2 ) Averagingtime (minutes) (A)LimitsforOccupational/ControlledExposures 0.3–3.06141.63*(100)6 3.0–301842/f4.89/f*(900/f 2 )6 30–30061.40.1631.06 300–1500f/3006 1500–100,00056 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f*(180/f 2 )30 30–30027.50.0730.230 300–1500f/150030 1500–100,0001.030 f=frequencyinMHz Friistransmissionformula:Pd=(Pout*G)/(4*pi*r 2 ) Where Pd=powerdensityinmW/cm 2 ,Pout=outputpowertoantennainmW; G=gainofantennainlinearscale,Pi=3.1416; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm 2 .Ifweknowthemaximumgainoftheantennaandthetotalpowerinputto theantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleandhighest channelindividually. TestResultofRFExposureEvaluation Mode Frequency (MHz) Antenna Gain (dBi) Antenna Gain (numeric) Max conducted power Output powerto antenna (mW) Power Densityat R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result BT2402-0.610.8693.332.150.000371PASS Remark: 2.4Gantennagain=-0.61dBi

Report ShenzhenSemetorElectronicsCo.,LTD Model:S37 FCCID:2AYRH-S37 1.MaximumPeakConductedOutputPower ConditionModeFrequency (MHz) AntennaConductedPower (dBm) DutyFactor (dB) TotalPower (dBm) Limit (dBm) Verdict NVNT1-DH52402Ant12.0802.0821Pass NVNT1-DH52441Ant11.4701.4721Pass NVNT1-DH52480Ant11.5301.5321Pass NVNT2-DH52402Ant12.8902.8921Pass NVNT2-DH52441Ant12.2602.2621Pass NVNT2-DH52480Ant12.3302.3321Pass NVNT3-DH52402Ant13.3303.3321Pass NVNT3-DH52441Ant12.6702.6721Pass NVNT3-DH52480Ant12.7302.7321Pass 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)Verdict NVNT1-DH52402Ant11.001Pass NVNT1-DH52441Ant10.997Pass NVNT1-DH52480Ant10.954Pass NVNT2-DH52402Ant11.305Pass NVNT2-DH52441Ant11.309Pass NVNT2-DH52480Ant11.286Pass NVNT3-DH52402Ant11.309Pass NVNT3-DH52441Ant11.294Pass NVNT3-DH52480Ant11.308Pass 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-DH5Ant12401.9982403.0661.0680.667Pass NVNT1-DH5Ant12440.9822442.011.0280.665Pass NVNT1-DH5Ant12479.0022479.9080.9060.636Pass NVNT2-DH5Ant1240224031.0000.87Pass NVNT2-DH5Ant12440.8522442.0061.1540.873Pass NVNT2-DH5Ant12478.8382479.851.0120.857Pass NVNT3-DH5Ant12401.9862403.0021.0160.873Pass NVNT3-DH5Ant12440.832441.8461.0160.863Pass NVNT3-DH5Ant12478.992480.0161.0260.872Pass 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-DH52402Ant12.886291.48610131600400Pass NVNT1-DH52441Ant12.886331.8911531600400Pass NVNT1-DH52480Ant12.887297.36110331600400Pass NVNT2-DH52402Ant12.892271.8489431600400Pass NVNT2-DH52441Ant12.891315.11910931600400Pass NVNT2-DH52480Ant12.891309.33710731600400Pass NVNT3-DH52402Ant12.894335.70411631600400Pass NVNT3-DH52441Ant12.893289.310031600400Pass NVNT3-DH52480Ant12.894318.3411031600400Pass 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-46.82-20Pass NVNT1-DH52480Ant1No-Hopping-55.67-20Pass NVNT2-DH52402Ant1No-Hopping-49.23-20Pass NVNT2-DH52480Ant1No-Hopping-55.93-20Pass NVNT3-DH52402Ant1No-Hopping-48.73-20Pass NVNT3-DH52480Ant1No-Hopping-53.69-20Pass 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-46.74-20Pass NVNT1-DH52480Ant1Hopping-47.60-20Pass NVNT2-DH52402Ant1Hopping-46.35-20Pass NVNT2-DH52480Ant1Hopping-48.53-20Pass NVNT3-DH52402Ant1Hopping-47.42-20Pass NVNT3-DH52480Ant1Hopping-48.07-20Pass 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-DH52402Ant1-45.54-20Pass NVNT1-DH52441Ant1-43.12-20Pass NVNT1-DH52480Ant1-44.01-20Pass NVNT2-DH52402Ant1-45.38-20Pass NVNT2-DH52441Ant1-43.51-20Pass NVNT2-DH52480Ant1-43.23-20Pass NVNT3-DH52402Ant1-45.52-20Pass NVNT3-DH52441Ant1-43.02-20Pass NVNT3-DH52480Ant1-42.9…

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ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26041865DE-1 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage1of30 TESTREPORT Applicant:ShenzhenSemetorElectronicsCo.,LTD Address: B3,3thfloor,guanglongbuilding,No.162,pingxinnorthroad,hehua community,pinghustreet,longgangdistrict,shenzhencity, GuangdongProvince,China Manufacturer:ShenzhenSemetorElectronicsCo.,LTD. Address: 8th/9thFloor,HongweiTechnologyBuilding,BuildingB,No.2Weiling Road,EgonglingCommunity,PinghuStreet,LonggangDistrict, ShenzhenCity,GuangdongProvince ProductName:5-IN-1MAGNETICWIRELESSCHARGINGSPEAKER ModelNumber:S37,S_37 Trademark:N/A FCCID:2AYRH-S37 TestDate: Apr.17,2026-Jun.04,2026 DateofReport:Jun.09,2026 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.:BKC26041865DE-1 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage2of30 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................................................................................…

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ANTENNASPECIFICATION Summary ITEMANTSPEC. ModelName 2.4GANT1 Center Frequency HorizontalVertical 2400MHz2450MHz2500MHz2400MHz2450MHz2500MHz -1.66dBi MAX.Gai -0.84dBi-0.61dBi-6.16dBi-3.65dBi -2.21dBi n Polarizatio -0.61dBi n HorizontalandVertical AzimuthBeam Pattern Omni-directional Impedance 50Ohm AntennaLength 33mm Manufacture BoomtechIndustryCo.,Ltd AntennaPhoto&Length(mm) Horizontal:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-40Scale:5/div Frequency (MHz) Gain(dBi) Max. Min. Avg. 2400 -1.66179-30.2813-8.78713 2450 -0.847811-38.7595-7.87812 2500 -0.615596-23.6329-6.99139 Vertical:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-30Scale:5/div Frequency (MHz) Gain(dBi) Max.Min. Avg. 2400 -6.1623-23.1425-12.5295 2450 -3.6534-26.2866-10.6699 2500 -2.21101-29.4381-9.58526

ReportNo.:BKC26041865DE-5 EUTTESTPHOTO Model:S37 ReportNo.:BKC26041865DE-5