2A43V-MUSICSHIELDG2Instant Dimming Sunglasses

ZhuhaiWicueTechnologyCo.,Ltd. Room113,Building19B,No.1889EastHuandaoRoad,HengqinDistrict,Zhuhai,Guangdong,China AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Dec.5,25 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2A43V-MUSICSHIELDG2 ZhuhaiWicueTechnologyCo.,Ltd.(“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredList,establishedpursuantto§1.50002of referencechapter,asanentityproducing“covered”communicationequipment.Theequipmentfor whichauthorizationissoughtisnot“covered”telecommunicationsequipmentandvideosurveillance equipmentproducedbyentitiesidentifiedontheCommission’sCoveredListthatprohibitedfrom receivinganequipmentauthorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, ApplicantSignature PrintedName:qingguoyu Title:Manager Address:Room113,Building19B,No.1889EastHuandaoRoad,HengqinDistrict,Zhuhai,Guangdong,China Tel.:18948359873 Email:[email protected]

ZhuhaiWicueTechnologyCo.,Ltd. Room113,Building19B,No.1889EastHuandaoRoad,HengqinDistrict,Zhuhai,Guangdong,China 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Dec.5,25 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:[2A43V-MUSICSHIELDG2] ProductName:[InstantDimmingSunglasses] Thisletterservesasanattestationthattheequipmentidentifiedabove☐is/☒isnot(selectone)"covered" softwareasdefinedundertheFederalCommunicationsCommission(FCC)CoveredListrequirements,as outlinedinFCC22-84andKDB986446. Specifically,theundersignedcertifiesthattheequipmentforwhichauthorizationissought: 1.Doesnotcontaincybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessors,assignees,parents,subsidiaries,affiliates,oranyentitythathasrebranded orrelabeledsoftwareproducedbytheaforementionedentities. 2.Doesnothavethecapabilitytostore,run,ordeliveranysoftwareidentifiedontheFCCCoveredList, includingbutnotlimitedtocybersecurityandanti-virussoftware. Tosupportthisattestation,theappendixevaluationdocumentationhasbeenpreparedandisincludedinthe certificationfiling. Thisattestationisbasedonathoroughevaluationofthedevice'sdesign,functionality,andsoftware environment.Theundersignedaffirmsthattheinformationprovidedisaccurateandcompletetothebestof theirknowledge. Sincerelyyours, ApplicantSignature PrintedName:qingguoyu Title:Manager Address:Room113,Building19B,No.1889EastHuandaoRoad,HengqinDistrict,Zhuhai,Guangdong,China Tel.:18948359873 Email:[email protected] ZhuhaiWicueTechnologyCo.,Ltd. Room113,Building19B,No.1889EastHuandaoRoad,HengqinDistrict,Zhuhai,Guangdong,China 2|Page EvaluationregardingtotheCoveredListSoftware: Compliance Methodology EvaluationProcessResults Deviceis Inherent compliance ☒ TheChipset(s)usedislimitedtorun theCybersecurityoranti-virus software. Compliance ☒ TheMemoryusedislimitedtorunthe Cybersecurityoranti-virussoftware. Compliance ☒ Thereisstoragecapacitylimitationfor storeorinstalltheCybersecurityor anti-virussoftware. Compliance ☒ Operatingsystemusedislimitedto run,installordelivertheCybersecurity oranti-virussoftware. Compliance Deviceisnot Inherent compliance ☐ EvaluationBasedonSoftware BillofMaterials(SBoM) ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck

ZhuhaiWicueTechnologyCo.,Ltd. Room113,Building19B,No.1889EastHuandaoRoad,Hengqin District,Zhuhai,Guangdong,China 12/5/2025 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2A43V-MUSICSHIELDG2 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow: BlockDiagram  Schematics OperationalDescription  PartsList Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. PursuanttoDA04-1705,theapplicantalsorequeststemporaryconfidentialtreatmentoftheexhibits outlinedbelowforaperiodof(upto180)daysfromthedateofequipmentauthorizationandpriorto marketingintheUnitedStatestopreventtheprematurereleaseofanysensitiveinformation.Applicantis awareoftheirresponsibilitytonotifyDERYCOMintheeventinformationregardingtheproductorthe productismadeavailabletothepublicbeforetherequestedperiodhasexpired. UserManual InternalPhotos ExternalPhotos TestSetupPhotos Sincerely, (Signature) PrintedName:qingguoyu Title:Manager Address:Room113,Building19B,No.1889EastHuandaoRoad,Hengqin District,Zhuhai,Guangdong,China Tel.:18948359873 Email:[email protected]

ZhuhaiWicueTechnologyCo.,Ltd. Room113,Building19B,No.1889EastHuandaoRoad,Hengqin District,Zhuhai,Guangdong,China Date:Dec.5,25 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2A43V-MUSICSHIELDG2 I,theundersigned,herebyauthorize(FluxComplianceServiceLaboratory)toactonourbehalfinall mattersrelatingtothisapplicationforequipmentcertification. Anyactcarriedoutby(FluxComplianceServiceLaboratory)shallhavethesameeffectasourownandI acknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsofcertification,as specifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswith(ZhuhaiWicueTechnology Co.,Ltd.). WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, ApplicantSignature: PrintedName:qingguoyu Title:Manager Address:Room113,Building19B,No.1889EastHuandaoRoad,Hengqin District,Zhuhai,Guangdong,China Tel.:18948359873 Email:[email protected]

LabelandLabelLocation FCCID:2A43V-MUSICSHIELDG2 L*W:10mm*5mm labelandWhitefont

FCS202511367 FCCRFExposure EUTDescription:InstantDimmingSunglasses ModelNo.:MusicshieldG2 FCCID:2A43V-MUSICSHIELDG2 Equipmenttype:Portabledevices AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093 ， Unless specificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbody and10-gextremitySARevaluationforgeneralpopulationexposureconditions,bymeasurementor numericasimulation,isnotrequiredwhenthecorrespondingSARTestExclusion Thresholocondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances<50mm,the1-gand10-gSARtestexclusion thresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distancemm)]·[vfGHz)]<3.0for1-gSAR,ands7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison EIRP=EMeas+20log(dmeas)-104.7 EIRPistheequivalentisotropicallyradiatedpower, EMeasindBmisthefieldstrengthoftheemissionatthemeasurementdistance,indBuV/m dMeasisthemeasurementdistance,inm BR Output power(dBm) Maxtune- up(mW) Frequency(MHz)Min. distance(mm) Calc. thresholds limit 2.15 1.6406 24025 0.5085 3.0 2.62 1.8281 24415 0.5712 3.0 2.77 1.8923 24805 0.5960 3.0 Conclusion:NoSARisrequired

AntennaSpecification Summary ITEM ANTSPEC ModelName 2.4GANT Center Frequency HorizontalVertical 2400MHz2450MHz2500MHz2400MHz2450MHz2500MHz -4.5 -3.25-3.77 -5.25 -2.46-1.86 MAX.Gain -1.86dB PolarizationHorizontalandVertical AzimuthBeam Pattern Omni-directional Impedance 50Ohm AntennaLength 28.1mm Manufacture ZhuhaiWicueTechnologyCo.Ltd Horizontal:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-40Scale:5/div Frequency (MHz) Gain(dB) Max Min Avg 2400 -4.5 -30.0801-11.18716 2450-3.25-36.5604-10.48023 2500 -3.77-22.0315-10.59127 Vertical:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-30Scale:5/div Frequency (MHz) Gain(dB) Max Min Avg 2400-5.2537 -22.1424-12.4294 2450 -2.4652-24.5837 -10.4702 2500 -1.86120 -29.5214-9.20432 ANTTestLabs ：

FCCTestReport ReportNo:FCS202511367W01 Issuedfor Applicant:ZhuhaiWicueTechnologyCo.,Ltd. Address: Room113,Building19B,No.1889EastHuandao Road,HengqinDistrict,Zhuhai,Guangdong,China ProductName:InstantDimmingSunglasses BrandName:CHAMELO ModelName:MusicshieldG2 SeriesModel:N/A FCCID:2A43V-MUSICSHIELDG2 IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-Tech Industrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com Page 2 of41ReportNo.:FCS202511367W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TESTRESULTCERTIFICATION Applicant’sName.........................: ZhuhaiWicueTechnologyCo.,Ltd. Address.........................................: Room113,Building19B,No.1889EastHuandaoRoad,Hengqin District,Zhuhai,Guangdong,China Manufacture'sName...................: ZhuhaiWicueTechnologyCo.,Ltd. Address.........................................: Room113,Building19B,No.1889EastHuandaoRoad,Hengqin District,Zhuhai,Guangdong,China ProductDescription ProductName..............................: InstantDimmingSunglasses BrandName..................................: CHAMELO ModelName.................................: MusicshieldG2 SeriesModel.................................:Seethefirstpageofthereport TestStandards.............................:FCCRulesandRegulationsPart15SubpartC,Section247 TestProcedure.............................:ANSIC63.10:2020 ThisdevicedescribedabovehasbeentestedbyFluxComplianceServiceLaboratory,thetestresults showthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditis applicableonlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFluxCompliance ServiceLaboratory,thisdocumentmaybealteredorrevisedbyFluxComplianceServiceLaboratory, personalonly,andshallbenotedintherevisionofthedocument.. DateofTest..................................: Date(s)ofperformanceoftests . :November21,2025~November29,2025 DateofIssue ................................. :November29,2025 TestResult.....................................:Pass Testedby: (MikeTan) Reviewedby : (NelsWang) Approvedby: ( JackWang ) Page 3 of41ReportNo.:FCS202511367W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TableofContentsPage 1.SUMMARYOFTESTRESULTS..............................................................................................6 1.1TESTFACTORY................................................................................................................7 1.2MEASUREMENTUNCERTAINTY.....................................................................................7 2.GENERALINFORMATION.......................................................................................................8 2.1GENERALDESCRIPTIONOFTHEEUT..........................................................................8 2.2BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED.............10 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS.................11 2.4EQUIPMENTSLIST.........................................................................................................12 3CONDUCTEDEMISSIONMEASUREMENT..........................................................................13 4.20DBBANDWIDTH...............................................................................................................17 4.1Limit..................................................................................................................................17 4.2TestProcedure.................................................................................................................17 4.3Testsetup.........................................................................................................................17 4.4Testresults.......................................................................................................................17 4.5OriginalTestData.............................................................................................................18 5.CONDUCTEDOUTPUTPOWER...........................................................................................19 5.1LIMIT................................................................................................................................19 5.3TESTSETUP...................................................................................................................19 5.5TESTRESULTS...............................................................................................................19 6NUMBEROFHOPPINGCHANNEL.......................................................................................20 6.1LIMIT................................................................................................................................20 6.2TESTPROCEDURE........................................................................................................20 5.3TESTSETUP...................................................................................................................20 6.4EUTOPERATIONCONDITIONS....................................................................................20 6.5TESTRESULTS...............................................................................................................21 7.BANDEDGEANDSPURIOUS(CONDUCTED)....................................................................22 7.1LIMIT................................................................................................................................22 7.2TESTPROCEDURE........................................................................................................22 7.3TESTSETUP........................................................…

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