2BVF3-X01Smart Color-Changing Electrochromic Audio AI Glasses

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. restriction. 触摸区域 充电区域 按键

LocalRepresentativeLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(7),oftheCommission’sRules(47C.F.R.)weattestasfollowsfor theproductlistedbelow: FCCIDModelname 2BVF3-X01AudioshadeX01 Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementwithoutexpirationdate US-AmericanPointofContactApplicant/ApprovalHolder SignatureSignature CompanyName:LOBOSIOWAINCFujianZihonghuTechnologyCo., Ltd. FRN:00364139610038221347 ContactName:HarleyLiXiuhuaWang Address:4623BittercreekDrColorado SpringsCO80922US ProcurementDepartmentOffice, 4thFloor,Building1,No.121, FujuRoad,YinxiStreet,Fuqing City,FujianProvince,China. Phone:+18188180538N/A Email:[email protected]@163.com

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BVF3-X01AudioshadeX01 We, Applicant CompanyName:FujianZihonghuTechnologyCo.,Ltd. Address:ProcurementDepartmentOffice,4thFloor, Building1,No.121,FujuRoad,YinxiStreet, FuqingCity,FujianProvince,China. Phone:N/A certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-04-15 SignatureDate PrintedNameofSignee:XiuhuaWang Company:FujianZihonghuTechnologyCo., Ltd. Phone:+8618825818627 Email:[email protected] Address:ProcurementDepartmentOffice, 4thFloor,Building1,No.121,FujuRoad, YinxiStreet,FuqingCity,FujianProvince, China. Fax:N/A

ConfidentialityRequestLetter ForCertificationServiceintheUSA FederalCommunicationCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoParagraphs§0.457and0.459oftheCommission’sRules(47C.F.R.)andSection §552(b)(4)oftheFreedomofInformationAct,werequestconfidentialityforthe documentationofthefollowingproducts: FCCIDModelname 2BVF3-X01AudioshadeX01 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-04-15 SignatureDate PrintedNameofSignee/Title:XiuhuaWang/Manager Company:FujianZihonghuTechnologyCo.,Ltd. Address:ProcurementDepartmentOffice,4thFloor,Building1, No.121,FujuRoad,YinxiStreet,FuqingCity,Fujian Province,China. Phone:+8618825818627 Fax:-- Email:[email protected]

ReportNo.:CISRR26032726401 Page 61 of 66 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR26032726401 Page 62 of 66 ReportNo.:CISRR26032726401 Page 63 of 66

Label Size:20mm*10mm FCC ID:2BVF3-X01 Label Location

ReportNo.:CISRR26032726401 Page 64 of 66 9.2.InternalPhotos ReportNo.:CISRR26032726401 Page 65 of 66 ANT ReportNo.:CISRR26032726401 Page 66 of 66 ------Endofthereport-----

ReportNo.: CISRR26032726402 Reporttemplateversion:CISE-TR-001-A0Page:1of6 TESTREPORT RFExposureEvaluation ReportNo.: CISRR26032726402 ProjectNo.: CISR260327264 FCCID:2BVF3-X01 Applicant:FujianZihonghuTechnologyCo.,Ltd. Address: ProcurementDepartmentOffice,4thFloor,Building1,No.121,FujuRoad, YinxiStreet,FuqingCity,FujianProvince,China. Manufacturer: FujianZihonghuTechnologyCo.,Ltd. Address: ProcurementDepartmentOffice,4thFloor,Building1,No.121,FujuRoad, YinxiStreet,FuqingCity,FujianProvince,China. ProductName: SmartColor-ChangingElectrochromicAudioAIGlasses TradeMark:Audioshade Model/Typereference:AudioshadeX01 ListedModel(s):- Standard:47CFRPart2.1093 Issuedate:April2,2026 Testresult:Complied Reviewedby:MorganTan Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.: CISRR26032726402 Reporttemplateversion:CISE-TR-001-A0Page:2of6 Contents 1.APPLICABLESTANDARD..............................................................................................................................3 2.REPORTVERSION..........................................................................................................................................3 3.RADIOSPECIFICATIONDESCRIPTION........................................................................................................4 4.SIMULTANEOUSTRANSMISSIONANALYSIS.............................................................................................4 5.TESTRESULT.................................................................................................................................................5 5.1.STANDALONETRANSMISSION.................................................................................................................5 5.2.SIMULTANEOUSTRANSMISSION.............................................................................................................6 ReportNo.: CISRR26032726402 Reporttemplateversion:CISE-TR-001-A0Page:3of6 1.APPLICABLESTANDARD 47CFRPart2.1093:Radiofrequencyradiationexposureevaluation:portabledevices ANSIC95.1–2019:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. 47CFRPart1.1307:Actionsthatmayhaveasignificantenvironmentaleffect,forwhichEnvironmental Assessments(EAs)mustbeprepared. 2.REPORTVERSION VersionNo.IssuedateDescription 00April2,2026Original ReportNo.: CISRR26032726402 Reporttemplateversion:CISE-TR-001-A0Page:4of6 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps \Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThesedevicesuseasingletransmittermoduleandantennaforbothBT,BTcannottransmitsimultaneously. ReportNo.: CISRR26032726402 Reporttemplateversion:CISE-TR-001-A0Page:5of6 5.TESTRESULT 5.1.Standalonetransmission Limit: KDB447498D01v06,Clause4.3.1a) For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-g SARtestexclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation31The resultisroundedtoonedecimalplaceforcomparison Thevalues3.0and7.5arereferredtoasnumericthresholdsinstepb)below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm, andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto4.1f)isappliedtodetermine SARtestexclusion. Result: Passed TestData Radiotype Frequency (GHz) Maximum output power #1 (dBm) Antenna gain #2 (dBi) Maximum EIRP #3 (dBm) Maximum tune-up EIRP #4 (dBm) Mini mum distance (mm) Evaluated value LimitResult Bluetooth2.4021.39-0.580.811.005.000.39023.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.: CISRR26032726402 Reporttemplateversion:CISE-TR-001-A0Page:6of6 5.2.Simultaneoustransmission Limit: KDB447498D01v06,Clause4.3.2,47CFRPart1.1307 InthecaseofxedRFsourcesoperatinginthesametime-averagingperiod,orof multiplemobileorportableRFsourceswithinadeviceoperatinginthesametime averagingperiod,ifthesumofthefractionalcontributionstotheapplicablethresholds islessthanorequalto1asindicatedinthefollowingequation. Where a=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(B)ofthissectionforP,includingexistingexempttransmittersandthosebeing added. b=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(C)ofthissectionforThresholdERP,includingexistingexempttransmittersand thosebeingadded. c=numberofexistingfixed,mobile,orportableRFsourceswithknownevaluationforthespeci edminimumdistanceincludingexistingevaluatedtransmitters. P j =theavailablemaximumtime-averagedpowerortheERP,whicheverisgreater,forxed, mobile,orportableRFsourceiatadistancebetween0.5cmand40cm(inclusive). P th,j =theexemptionthresholdpower(P)accordingtoparagraph(b)(3)(i)(B)ofthissectionfor xed,mobile,orportableRFsourcei. ERP j =theERPoffixed,mobile,orportableRFsourcej. ERP th,j =exemptionthresholdERPforfixed,mobile,orportableRFsourcej,atadistanceofat leastλ/2πaccordingtotheapplicableformulaofparagraph(b)(3)(i)(C)ofthissection. Evaluated k =themaximumreportedSARorMPEoffixed,mobile,orportableRFsourcekeither inthedeviceoratthetransmittersitefromanexistingevaluationatthelocationofexposure. ExposureLimit k =eitherthegeneralpopulation/uncontrolledmaximumpermissibleexposure (MPE)orspecicabsorptionrate(SAR)limitforeachxed,mobile,orportableRFsourcek, asapplicablefrom§1.1310ofthischapter. Result:NotApplicable --------EndofRe…

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AntennaSpecification Summary ITEM ANTSPEC ModelName 2.4GANT Center Frequency HorizontalVertical 2400MHz2400MHz2500MHz2400MHz2400MHz2500MHz -1.26 -0.76-0.58 -5.25 -2.46-1.86 MAX.Gain -0.58dBi PolarizationHorizontalandVertical AzimuthBeam Pattern Omni-directional Impedance 50Ohm AntennaLength 26.3mm Manufacture HuizhouJinhuiXingwangElectronicTechnologyCo.,Ltd. Address No.1FactoryBuilding,LiChengIndustrialZone,ShuKouOfficeArea, HuichengDistrict,HuizhouCity,China.1stfloor,Room105 Horizontal:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-40Scale:5/div Frequency (MHz) Gain(dBi) 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:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-30Scale:5/div Frequency (MHz) Gain(dBi) Max Min Avg 2400-5.2537 -22.1424-12.4294 2450 -2.4652-24.5837 -10.4702 2500 -1.86120 -29.5214-9.20432

ReportNo.:CISRR26032726401 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of57 TESTREPORT ReportNo.CISRR26032726401 ProjectNo.CISR260327264 FCCID2BVF3-X01 ApplicantFujianZihonghuTechnologyCo.,Ltd. Address ProcurementDepartmentOffice,4thFloor,Building1,No.121,Fuju Road,YinxiStreet,FuqingCity,FujianProvince,China. ManufacturerFujianZihonghuTechnologyCo.,Ltd. Address ProcurementDepartmentOffice,4thFloor,Building1,No.121,Fuju Road,YinxiStreet,FuqingCity,FujianProvince,China. ProductNameSmartColor-ChangingElectrochromicAudioAIGlasses TrademarkAudioshade Model/TypereferenceAudioshadeX01 ListedModel(s)- Standard 47CFRPart15.247 DateofsamplereceiptMarch28,2026 TestdateMarch28,2026toApril2,2026 IssuedateApril2,2026 TestresultComplied Reviewedby:MorganTan Approvedby:HansHu ReportNo.:CISRR26032726401 Page 2 of 57 Contents 1.STANDARDANDAPPLICABLETESTMETHODS........................................................................................3 2.REPORTVERSION..........................................................................................................................................3 3.TESTDESCRIPTION.......................................................................................................................................4 4.SUMMARY........................................................................................................................................................5 4.1.ProductDescription*..................................................................................................................................5 4.2.RadioSpecificationDescription*..............................................................................................................5 4.3.ModificationofEUT.....................................................................................................................................5 4.4.Deviationfromstandards...........................................................................................................................5 4.5.TestingSite...................................................................................................................................................5 5.TESTCONFIGURATION.................................................................................................................................7 5.1.Testfrequencylist.......................................................................................................................................7 5.2.Descriptionsoftestmode...........................................................................................................................7 5.3.Supportunitusedintestconfiguration....................................................................................................7 5.4.Testsampleinformation.............................................................................................................................7 5.5.Environmentalconditions...........................................................................................................................7 5.6.Statementofthemeasurementuncertainty.............................................................................................8 5.7.EquipmentUsedduringtheTest................................................................................................................9 6.TESTRESULTS.............................................................................................................................................11 6.1.EvaluationResults(Evaluation)...............................................................................................................11 6.1.1.AntennaRequirement.............................................................................................................................11 6.2.RadioSpectrumMatterTestResults(RF)...............................................................................................12 6.2.1.ConductedEmissionatACpowerline.................................................................................................12 6.2.2.20dBBandwidth......................................................................................................................................15 6.2.3.MaximumConductedOutputPower.....................................................................................................17 6.2.4.ChannelSeparation................................................................................................................................18 6.2.5.NumberofHoppingFrequencies..........................................................................................................19 6.2.6.DwellTime...............................................................................................................................................20 6.2.7.Conductedbandedgeandspuriousemission...................................................................................22 6.2.8.Radiatedbandedgeemission...............................................................................................................24 6.2.9.RadiatedSpuriousEmission(below1GHz).........................................................................................30 6.2.10.RadiatedSpuriousEmission(Above1GHz)......................................................................................34 7.APPENDIXREPORT......................................................................................................................................42 7.1.ConductedOutputPower.........................................................................................................................42 7.2.20dBBandwidth.........................................................................................................................................44 7.3.NumberOfHoppingChannel..............…

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ReportNo.:CISRR26032726401 Page 59 of 66 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) ReportNo.:CISRR26032726401 Page 60 of 66 RadiatedSpuriousEmission(below1GHz)