2A4MT-N2007Power Bank

ShenzhenZhenghaixinTechnologyCo.,Ltd. Building1,Room201,101,No.28,LangfengRoad,TangxiaYongCommunity,Yanluo Street,Bao'anDistrict,ShenzhenCity,China AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Feb.3,26 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2A4MT-N2007 ShenzhenZhenghaixinTechnologyCo.,Ltd.(“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredList,establishedpursuantto§1.50002of referencechapter,asanentityproducing“covered”communicationequipment.Theequipmentfor whichauthorizationissoughtisnot“covered”telecommunicationsequipmentandvideosurveillance equipmentproducedbyentitiesidentifiedontheCommission’sCoveredListthatprohibitedfrom receivinganequipmentauthorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, ApplicantSignature PrintedName:ShaolinPeng Title:Manager Address:Building1,Room201,101,No.28,LangfengRoad,TangxiaYongCommunity,YanluoStreet, Bao'anDistrict,ShenzhenCity,China Tel.:0755-27953337 Email:[email protected]

ShenzhenZhenghaixinTechnologyCo.,Ltd. Address:Building1,Room201,101,No.28,LangfengRoad,TangxiaYong Community,YanluoStreet,Bao'anDistrict,ShenzhenCity,China 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Feb.3,26 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:[2A4MT-N2007] ProductName:[PowerBank] 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:ShaolinPeng Title:Manager Address:Building1,Room201,101,No.28,LangfengRoad,TangxiaYongCommunity,YanluoStreet,Bao'an District,ShenzhenCity,China Tel.:0755-27953337 Email:[email protected] ShenzhenZhenghaixinTechnologyCo.,Ltd. Address:Building1,Room201,101,No.28,LangfengRoad,TangxiaYong Community,YanluoStreet,Bao'anDistrict,ShenzhenCity,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) Seeattached“SBoM“ Note:TheSBoMcontentislimited tothescopeofcoveredlist software(e.g.antivirusand cybersecuritysoftware). ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck

ShenzhenZhenghaixinTechnologyCo.,Ltd. Address:Building1,Room201,101,No.28,LangfengRoad,TangxiaYongCommunity,Yanluo Street,Bao'anDistrict,ShenzhenCity,China (Feb.3,2026) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2A4MT-N2007 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow: BlockDiagram Schematics OperationalDescription Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. PursuanttoDA04-1705,theapplicantalsorequeststemporaryconfidentialtreatmentoftheexhibits outlinedbelowforaperiodof(upto180)daysfromthedateofequipmentauthorizationandpriorto marketingintheUnitedStatestopreventtheprematurereleaseofanysensitiveinformation.Applicantis awareoftheirresponsibilitytonotifyDERYCOMintheeventinformationregardingtheproductorthe productismadeavailabletothepublicbeforetherequestedperiodhasexpired.  UserManual Sincerely, (Signature) Title:Manager Address:Building1,Room201,101,No.28,LangfengRoad,TangxiaYongCommunity,YanluoStreet, Bao'anDistrict,ShenzhenCity,China Tel.:0755-27953337 Email:[email protected]

ShenzhenZhenghaixinTechnologyCo.,Ltd. Address:Building1,Room201,101,No.28,LangfengRoad,TangxiaYongCommunity,Yanluo Street,Bao'anDistrict,ShenzhenCity,China (Feb.3,2026) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2A4MT-N2007 I,theundersigned,herebyauthorize(ShenzhenNCTTestingTechnologyCo.,Ltd.)toactonourbehalfin allmattersrelatingtothisapplicationforequipmentcertification. Anyactcarriedoutby(ShenzhenNCTTestingTechnologyCo.,Ltd.)shallhavethesameeffectasour ownandIacknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsofcertification, asspecifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswith(ShenzhenZhenghaixin TechnologyCo.,Ltd.). WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, (Signature) (FullnameofcontactpersonlistedonFCC’swebsite)ShaolinPeng (Title):Manager Tel:0755-27953337 Fax:0755-27953337 Email:[email protected]

FCCID:2A4MT-N2007ExternalPhotos

FCCID:2A4MT-N2007InternalPhotos Coil

MPEREPORT PowerBank MODELNo.:N2012 FCCID:2A4MT-N2007 REPORTNO.:NCT260041903XE1-2 ISSUEDATE:Feb.02,2026 Preparedfor ShenzhenZhenghaixinTechnologyCo.,Ltd. Building1,Room201,101,No.28,LangfengRoad,TangxiaYongCommunity, YanluoStreet,Bao'anDistrict,ShenzhenCity,China Preparedby ShenzhenNCTTestingTechnologyCo.,Ltd. A101&2FB2,Fuqiao6thArea,XintianCommunity,FuhaiStreet,BaoanDistrict, Shenzhen,People’sRepublicofChina TEL:400-8868-419 ReportNo.:NCT260041903XE1-2 Page 2 of 19 Hotline:400-8868-419http://www.ncttesting.cn TABLEOFCONTENT 1.SUMMARYOFTESTRESULT..................................................................................................4 2.GENERALINFORMATION.......................................................................................................5 2.1.DESCRIPTIONOFDEVICE(EUT)...............................................................................................................................5 2.2.TESTSETUP...............................................................................................................................................................6 2.3.DESCRIPTIONOFTESTFACILITY...............................................................................................................................7 2.4.MEASUREMENTUNCERTAINTY.................................................................................................................................7 3.MEASURINGDEVICEANDTESTEQUIPMENT..................................................................8 3.1.FORMPEMEASUREMENT.........................................................................................................................................8 4.RFEXPOSURE..............................................................................................................................9 4.1.MEASURINGSTANDARD............................................................................................................................................9 4.2.REQUIMENTS.............................................................................................................................................................9 4.3.TESTCONFIGURATION.............................................................................................................................................10 4.4.LIMITS.....................................................................................................................................................................11 4.5.TESTMODES:..........................................................................................................................................................12 4.6.DESCRIPTIONOFSUPPORTUNIT.............................................................................................................................13 4.7.MEASURINGRESULTS.............................................................................................................................................13 5.PHOTOGRAPHSOFTESTSETUP.........................................................................................19 ReportNo.:NCT260041903XE1-2 Page 3 of 19 Hotline:400-8868-419http://www.ncttesting.cn TESTREPORTDESCRIPTION Applicant:ShenzhenZhenghaixinTechnologyCo.,Ltd. Address: Building1,Room201,101,No.28,LangfengRoad,TangxiaYongCommunity, YanluoStreet,Bao'anDistrict,ShenzhenCity,China Manufacturer:ShenzhenZhenghaixinTechnologyCo.,Ltd. Address: Building1,Room201,101,No.28,LangfengRoad,TangxiaYongCommunity, YanluoStreet,Bao'anDistrict,ShenzhenCity,China EUT:PowerBank ModelName:N2012 Trademark:N/A MeasurementProcedureUsed: FCCPart1(1.1310)andPart2(2.1093) KDB680106D01WirelessPowerTransferv04 ThedevicedescribedaboveistestedbyShenzhenNCTTestingTechnologyCo.,Ltd.to determinethemaximumemissionlevelsemanatingfromthedeviceandtheseverelevelsofthe devicecanendureanditsperformancecriterion.Themeasurementresultsarecontainedinthis testreportandShenzhenNCTTestingTechnologyCo.,Ltd.isassumedfullofresponsibilityfor theaccuracyandcompletenessofthesemeasurements.Also,thisreportshowsthattheEUT (EquipmentUnderTest)istechnicallycompliantwiththeFCCrequirements. Thisreportappliestoabovetestedsampleonlyandshallnotbereproducedinpartwithout writtenapprovalofShenzhenNCTTestingTechnologyCo.,Ltd. TestEngineer: KevenWu/Engineer TechnicalManager: HenryWang/Manager ReportNo.:NCT260041903XE1-2 Page 4 of 19 Hotline:400-8868-419http://www.ncttesting.cn 1.SUMMARYOFTESTRESULT EMISSION DescriptionofTestItemStandard&LimitsResults MPE FCCPart1(1.1310)andPart2(2.1093) KDB680106D01WirelessPowerTransferv04 Pass Note:N/AisanabbreviationforNotApplicable. ReportNo.:NCT260041903XE1-2 Page 5 of 19 Hotline:400-8868-419http://www.ncttesting.cn 2.GENERALINFORMATION 2.1.DescriptionofDevice(EUT) EUT:PowerBank ModelNumber:N2012 Difference:N/A PowerRating:Type-Cinput:DC5V/3A,9V/2A,12V/1.5A Type-CCableinput:DC5V/3A,9V/2A,12V/1.5A Type-Coutput:DC5V/3A,9V/2.22A,12V/1.67A Type-CCableoutput:DC5V/3A,9V/2.22A,12V/1.67A WatchWirelessOutput:3WMax TotalOutput:DC5V/3A Operation FrequencyforWPT :111-365KHz Modulation:MSK AntennaType:: CoilAntenna DateofReceived:Jan.23,2025 DateofTest:Jan.23,2025toFeb.02,2026 ReportNo.:NCT260041903XE1-2 Page 6 of 19 Hotline:400-8868-419http://www.ncttesting.cn 2.2.TestSetup Formobileexposureconditions: Forportableexposureconditions: Notes:TheEHP200AProbehasadiameterof10.9cmandaradiusof5.45cm ReportNo.:NCT260041903XE1-2 Page 7 of 19 Hotline:400-8868-419http://www.ncttesting.cn 2.3.DescriptionofTestFacility 2.4.MeasurementUncertainty ParameterUncertainty RFoutputpower,conducted±1.0dB PowerSpectralDensity,conducted±2.2dB RadioFrequency±1x10 -6 Bandwidth±1.5x10 -6 Time±2% DutyCycle±2% Temperature±1°C Humidity±5% DCandlowfrequencyvoltages±3% ConductedEmissions(9KHz~30MHz)  3.24dB RadiatedEmission(9KHz~30MHz)  4.51dB RadiatedEmission(30MHz~1GHz)  5.03dB RadiatedEmission(1GHz~25GHz)  4.74dB RadiatedEmission(25GHz~40GHz)  3.38dB Remark:ThecoverageFactor(k=2),andmeasurementUncertaintyforal…

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深圳市深联宇电子有限公司 承认书 客户名称： 正海欣 客户料号： 501LX04U80000 产品名称： 手表充电线圈 产品料号： SLY 25P-4R8-L26 客户承认 承认后请签回 , 如下订单后未签回，视作默认,谢谢您的合作 发行日期 文件编号 编制 审核 批准 2024-11-19 SLY24046 庞芳芳 陈展良 赖 伟 深圳市深联宇电子有限公司 文件编号 SLY24046 发行日期 2024-11-19 版次 A 生效日期 2024-10-06 HD-系列 样品承认书 修订次数 0 页 码 1 /2 版本 更 改 履 历 更改人 更改时间 A B C 深圳市深联宇电子有限公司 文件编号 SLY24046 发行日期 2024-11-19 版次 A 生效日期 2024-10-06 HD-系列 样品承认书 修订次数 0 页 码 2 /2 1.外形尺寸: (单位：mm) 2.电气特性: 电感量L 4.8uH±10% 测试条件 100KHz/1V 测试仪器: 数字电桥TH2817C+ 直流电阻 (DCR) 105mΩ Max 测试条件 100KHz/1V Q值 ≥26 测试条件 100KHz/1V 3.材料: 4.电性图: (1)磁片: 橡胶磁罐D25 (2)铜线: 0.08*24 (3)绕线方式: 逆时针10圈

FCCPART15SUBPARTC PowerBank MODELNo.:N2012 FCCID:2A4MT-N2007 REPORTNO.:NCT260041903XE1-1 ISSUEDATE:Feb.02,2026 Preparedfor ShenzhenZhenghaixinTechnologyCo.,Ltd. Building1,Room201,101,No.28,LangfengRoad,TangxiaYongCommunity, YanluoStreet,Bao'anDistrict,ShenzhenCity,China Preparedby ShenzhenNCTTestingTechnologyCo.,Ltd. A101&2FB2,Fuqiao6thArea,XintianCommunity,FuhaiStreet,BaoanDistrict, Shenzhen,People’sRepublicofChina TEL:400-8868-419 ReportNo.:NCT260041903XE1-1 Page 2 of 25 Hotline:400-8868-419http://www.ncttesting.cn TABLEOFCONTENT TestReportDescriptionPage 1.SUMMARYOFTESTRESULTS.............................................................................................................................5 2.GENERALINFORMATION......................................................................................................................................6 2.1.DescriptionofDevice(EUT)...............................................................................................................................6 2.2.DescriptionofSupportUnits..............................................................................................................................6 2.3.IndependentOperationModes...........................................................................................................................7 2.4.TestMode..........................................................................................................................................................8 2.5.DescriptionofTestFacility.................................................................................................................................9 2.6.MeasurementUncertainty................................................................................................................................10 3.MEASURINGDEVICEANDTESTEQUIPMENT..................................................................................................11 4.20DBBANDWIDTH................................................................................................................................................13 4.1.TestProcedure.................................................................................................................................................13 4.2.TestResults.....................................................................................................................................................13 5.POWERLINECONDUCTEDEMISSIONMEASUREMENT.................................................................................14 5.1.BlockDiagramofTestSetup...........................................................................................................................14 5.2.Limits................................................................................................................................................................14 5.3.TestProcedure.................................................................................................................................................14 5.4.MeasuringResults............................................................................................................................................15 6.RADIATEDEMISSIONTEST.................................................................................................................................18 6.1.MeasurementProcedure..................................................................................................................................18 6.2.TestSET-UP(BlockDiagramofConfiguration)..............................................................................................18 6.3.RadiatedEmissionLimit...................................................................................................................................19 6.4.MeasurementResult........................................................................................................................................21 7.TESTPHOTOGRAPHSANDEUTPHOTOGRAPHS...........................................................................................25 ReportNo.:NCT260041903XE1-1 Page 3 of 25 Hotline:400-8868-419http://www.ncttesting.cn TESTREPORTDESCRIPTION Applicant:ShenzhenZhenghaixinTechnologyCo.,Ltd. Address: Building1,Room201,101,No.28,LangfengRoad,TangxiaYongCommunity, YanluoStreet,Bao'anDistrict,ShenzhenCity,China Manufacturer:ShenzhenZhenghaixinTechnologyCo.,Ltd. Address: Building1,Room201,101,No.28,LangfengRoad,TangxiaYongCommunity, YanluoStreet,Bao'anDistrict,ShenzhenCity,China EUT:PowerBank ModelName:N2012 Trademark:N/A MeasurementProcedureUsed: APPLICABLESTANDARDS STANDARDTESTRESULT FCC47CFRPart15,SubpartC PASS TheaboveequipmentwastestedbyShenzhenNCTTestingTechnologyCo.,Ltd.Thetestdata,data evaluation,testprocedures,andequipmentconfigurationsshowninthisreportweremadeinaccordance withtheproceduresgiveninANSIC63.10(2013)andtheenergyemittedbythesampleEUTtestedas describedinthisreportisincompliancewithconductedandradiatedemissionlimitsofFCCRulesPart 15C Thetestresultsofthisreportrelateonlytothetestedsampleidentifiedinthisreport. TestEngineer: KevenWu/Engineer TechnicalManager: HenryWang/Manager ReportNo.:NCT260041903XE1-1 Page 4 of 25 Hotline:400-8868-419http://www.ncttesting.cn ModifiedInformation VersionReportNo.RevisionDataSummary Ver.1.0NCT260041903XE1-1Feb.02,2026OriginalVersion ReportNo.:NCT260041903XE1-1 Page 5 of 25 Hotline:400-8868-419http://www.ncttesting.cn 1.SUMMARYOFTESTRESULTS TestItemSectioninCFR47Result Antennarequirement15.203Pass ACPowerLineConducted Emission 15.207Pass FieldStrengthofFundamental§ 15.209(a)(f) Pass SpuriousEmission15.209(a)(f)Pass 20dBBandwidth15.215Pass ReportNo.:NCT260041903XE1-1 Page 6 of 25 Hotline:400-8868-419http://www.ncttesting.cn 2.GENERALINFORMATION 2.1.DescriptionofDevice(EUT) EUT:PowerBank ModelNumber: N2012 Modeldifferent:N/A PowerRating:Type-Cinput:DC5V/3A,9V/2A,12V/1.5A Type-CCableinput:DC5V/3A,9V/2A,12V/1.5A Type-Coutput:DC5V/3A,9V/…

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FCCID:2A4MT-N2007TestPhotos