2BE8M-A5Wireless charger Bluetooth speaker

Bluetooth Bluetooth A5 ON OFF Battery-powered only, no wireless charging FCCWarningStatement:Changesormodificationstothisunitnotexpressly approvedbythepartyresponsibleforcompliancecouldvoidtheuser’s authoritytooperatetheequipment.Thisequipmenthasbeentestedandfound tocomplywiththelimitsforaClassBdigitaldevice,pursuanttoPart15ofthe FCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainst harmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates, usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedin accordancewiththeinstructions,maycauseharmfulinterferencetoradio communications.However,thereisnoguaranteethatinterferencewillnot occurinaparticularinstallation.Ifthisequipmentdoescauseharmful interferencetoradioortelevisionreception,whichcanbedeterminedby turningtheequipmentoffandon,theuserisencouragedtotrytocorrectthe interferencebyoneormoreofthefollowingmeasures: -Reorientorrelocatethereceivingantenna. -Increasetheseparationbetweentheequipmentandreceiver. - Connecttheequipmentintoanoutletonacircuitdifferentfromthatto whichthereceiverisconnected. -Consultthedealeroranexperiencedradio/TVtechnicianforhelp. ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothe followingtwoconditions:(1)thisdevicemaynotcauseharmfulinterference, and(2)thisdevicemustacceptanyinterferencereceived,including interferencethatmaycauseundesiredoperation. FCCRadiationExposureStatement Theantennasusedforthistransmittermustbeinstalledtoprovideaseparation distanceofatleast20cmfromallpersonsandmustnotbeco ‐ locatedfor operatinginconjunctionwithanyotherantennaortransmitter. FCCWarningStatement:Changesormodificationstothisunitnotexpressly approvedbythepartyresponsibleforcompliancecouldvoidtheuser’s authoritytooperatetheequipment.Thisequipmenthasbeentestedandfound tocomplywiththelimitsforaClassBdigitaldevice,pursuanttoPart15ofthe FCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainst harmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates, usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedin accordancewiththeinstructions,maycauseharmfulinterferencetoradio communications. However,thereisnoguaranteethatinterferencewillnotoccurinaparticular installation.Ifthisequipmentdoescauseharmfulinterferencetoradioor televisionreception,whichcanbedeterminedbyturningtheequipmentoffand on,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreof thefollowingmeasures: -Reorientorrelocatethereceivingantenna. -Increasetheseparationbetweentheequipmentandreceiver. - Connecttheequipmentintoanoutletonacircuitdifferentfromthatto whichthereceiverisconnected. - Consultthedealeroranexperiencedradio/TVtechnicianforhelp. ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothe followingtwoconditions:(1)thisdevicemaynotcauseharmfulinterference, and(2)thisdevicemustacceptanyinterferencereceived,including interferencethatmaycauseundesiredoperation. FCCRadiationExposureStatement ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.The devicecanbeusedinportableexposureconditionwithoutrestriction. WPT BT

DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED Address:ROOM605,6/F,FAYUENCOMMERCIALBUILDING,75-77FAYUENSTREET, MONGKOK,KOWLOON,HONGKONGChina ProductName:WirelesschargerBluetoothspeaker FCCID:2BE8M-A5 Model(s):A5 2.911(d)(5)(i)EquipmentType We,[DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED](“theapplicant”)certifythatthe equipmentforwhichauthorizationissoughtthroughcertificationisnot:  Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules.  Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:CHUANHUAGUODate:2024.3.5 TitleandCompanyname:N/A/DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED NOTE1 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED Address:ROOM605,6/F,FAYUENCOMMERCIALBUILDING,75-77FAYUENSTREET, MONGKOK,KOWLOON,HONGKONGChina ProductName:WirelesschargerBluetoothspeaker FCCID:2BE8M-A5 Model(s):A5 2.911(d)(5)(ii)Applicantfiling We,[DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED](“theapplicant”)certifythat,asof thedateofthefilingoftheapplication,theapplicantisnotidentified NOTE1 onthe“CoveredList” NOTE 2 ,establishedpursuantto§1.50002ofthischapter,asanentityproducingcoveredcommunications equipment. Yourssincerely, Name:CHUANHUAGUODate:2024.3.5 TitleandCompanyname:N/A/DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED NOTE1 Deleteoptionnotapplicabletothisapplication. NOTE2 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED 2.911(d)(7)USAAgentv1.5 Section2.911(d)(7)USAAgentforServiceofProcess Companyname:DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED Address:ROOM605,6/F,FAYUENCOMMERCIALBUILDING,75-77FAYUEN STREET,MONGKOK,KOWLOON,HONGKONGChina ProductName:WirelesschargerBluetoothspeaker FCCID:2BE8M-A5 Model(s):A5 2.911(d)(7)USADesignatedAgentforServiceofProcess We,[DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED](“theapplicant”) designate[StoneTradingLimited] NOTE1 forthepurposeofacceptingserviceofprocess onbehalfoftheapplicant. Applicantconsent:Weacknowledgeourconsenttoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddressofthedesignatedagentandacknowledgeour acceptanceofourobligationtomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherwethegranteehavepermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S., orattheconclusionofanyCommission-relatedadministrativeorjudicialproceeding involvingtheequipment,whicheverislater. Agentobligation:Weacknowledgeourobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipmentatourphysicalU.S. addressandemailaddressfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,orattheconclusionofanyCommission-relatedadministrativeor judicialproceedinginvolvingtheequipment,whicheverislater. USAAgent Companyname:StoneTradingLimited USAAddress:6547NAcademyBlvd #2266,ColoradoSprings,CO80918,United States FRNNumber ： 0033401936 ContactName:DongmeiFang TelephoneNo:+12134573118 Email:[email protected] Applicant Companyname:DINGSOUND ELECTRONICTECHNOLOGY CO.,LIMITED Address:ROOM605,6/F,FAYUEN COMMERCIALBUILDING,75-77FA YUENSTREET,MONGKOK,KOWLOON, HONGKONGChina GranteeFRNNumber ： 0035049105 FCCGranteeCode:2BE8M ContactName:CHUANHUAGUO TelephoneNo:13332687867 Email:[email protected] DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED 2.911(d)(7)USAAgentv1.5 Signature: Title:manager Signature: Title:N/A Date:2024.3.5Date:2024.3.5 NOTE1:AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforservice ofprocess. Reference;FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED AgentAuthorization Company:DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED Address:ROOM605,6/F,FAYUENCOMMERCIALBUILDING,75-77FAYUEN STREET,MONGKOK,KOWLOON,HONGKONGChina ProductName:WirelesschargerBluetoothspeaker ModelNumber(s):A5 ProductDescription:WirelesschargerBluetoothspeaker WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024.3.5 Name:CHUANHUAGUO Title:N/A Company:DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED

DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024.3.5 Subject;RequestforConfidentiality FCCID:2BE8M-A5 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:CHUANHUAGUO Title:N/A

EUTPHOTO(ExternalPhotos) TestMode:A5 ※※※※※ENDOFREPORT※※※※※

Labelandlabellocation FCCIDLABEL: High:2cm Wide:3cm LabelLocation: WirelesschargerBluetoothspeaker FCCID:2BE8M-A5

EUT PHOTO(Internal Photos) Test Mode: A5 BT ANT WPT ANT 3 WPT ANT 4 ※※※※※END OF REPORT※※※※※ WPT ANT 2 WPT ANT 1

RFExposureEvaluation FCCID:2BE8M-A5 ProductName:WirelesschargerBluetoothspeaker ProductModelNo.:A5 TestAuxiliary:AC/DCAdapter,Phone,Watch,Earbuds TestAuxiliaryModelNo.:HW-050450C00,iPhone13,iWatchS2,AirPods2 OperationFrequency: ANT1&2&3:115kHz-205kHz ANT4:320kHz Modulationtype:ASK AntennaType:ANT1&2&3&4:LoopCoilAntenna Antennagain:ANT1&2&3&4:0dBi Powersupply: Input:12V2A,9V2A,5V2A PhoneOutput:5W/15W(Max) EarbudsOutput:5W(Max) WatchOutput:3W(Max) TransmittingmodeKeeptheEUTincontinuouslywirelesschargingmode a.EUTmodeofoperationbeforefolding: TestModes:TestCoilDescription: Mode1 ANT1 AC/DCAdapter+EUT+Phone(BatteryStatus:<1%) Mode2AC/DCAdapter+EUT+Phone(BatteryStatus:50%) Mode3AC/DCAdapter+EUT+Phone(BatteryStatus:>98%) Mode4 ANT2 AC/DCAdapter+EUT+Phone(BatteryStatus:<1%) Mode5AC/DCAdapter+EUT+Phone(BatteryStatus:50%) Mode6AC/DCAdapter+EUT+Phone(BatteryStatus:>98%) Mode7 ANT3 AC/DCAdapter+EUT+Earbuds(BatteryStatus:<1%) Mode8AC/DCAdapter+EUT+Earbuds(BatteryStatus:50%) Mode9AC/DCAdapter+EUT+Earbuds(BatteryStatus:>98%) Mode10 ANT4 AC/DCAdapter+EUT+Watch(BatteryStatus:<1%) Mode11AC/DCAdapter+EUT+Watch(BatteryStatus:50%) Mode12AC/DCAdapter+EUT+Watch(BatteryStatus:>98%) Mode13 ANT1+ANT3+ ANT4 AC/DCAdapter+EUT+Phone+Earbuds+Watch(BatteryStatus:<1%) Mode14AC/DCAdapter+EUT+Phone+Earbuds+Watch(BatteryStatus:50%) Mode15AC/DCAdapter+EUT+Phone+Earbuds+Watch(BatteryStatus:>98%) Mode16 ANT2+ANT3+ ANT4 AC/DCAdapter+EUT+Phone+Earbuds+Watch(BatteryStatus:<1%) Mode17AC/DCAdapter+EUT+Phone+Earbuds+Watch(BatteryStatus:50%) Mode18AC/DCAdapter+EUT+Phone+Earbuds+Watch(BatteryStatus:>98%) b.EUTworksinfoldedmode: TestModes:TestCoilDescription: Mode1a ANT1 AC/DCAdapter+EUT+Phone(BatteryStatus:<1%) Mode2aAC/DCAdapter+EUT+Phone(BatteryStatus:50%) Mode3aAC/DCAdapter+EUT+Phone(BatteryStatus:>98%) Mode4a ANT2 AC/DCAdapter+EUT+Phone(BatteryStatus:<1%) Mode5aAC/DCAdapter+EUT+Phone(BatteryStatus:50%) Mode6aAC/DCAdapter+EUT+Phone(BatteryStatus:>98%) Note:SincetheEUToperatesinthesamemodebeforeandafterfolding,thereportonlyreflectsthetestdata beforefolding. 1MeasuringStandard 1.1Accordingto§1.1307(b)(1),systemsoperatingundertheprovisionsofthissectionshallbeoperatedina mannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines.Accordingto§1.1310and§2.1091RFexposureiscalculated.According KDB680106D01WirelessPowerTransferv04. 1.2MEASUREMENTUNCERTAINTY Thereporteduncertaintyofmeasurementy±U,whereexpendeduncertaintyUisbasedona standarduncertaintymultipliedbyacoveragefactorofk=2,providingalevelofconfidenceof approximately95%. No.ItemUncertainly 1 H-filed ±0.93dB 2 E-filed ±0.51dB 2.1Requirements TheEUTdoescomplywithitem5.2ofKDB680106D01V04: 1)Thepowertransferfrequencyisbelow1MHz. Yes,thedeviceoperateinthefrequencyrangefrom115kHzto205kHzand320kHz. 2)Theoutputpowerfromeachtransmittingelement(e.g.,coil)islessthanorequalto15watts. Yes,themaximumoutputpoweroftheprimarycoilis15W. 3)Aclientdeviceprovidingthemaximumpermittedloadisplacedinphysicalcontactwiththetransmitter(i.e., thesurfacesofthetransmitterandclientdeviceenclosuresneedtobeinphysicalcontact). Yes,thesurfacesofthetransmitterandclientdeviceenclosuresareinphysicalcontact. 4)Only§2.1091-Mobileexposureconditionsapply(i.e.,thisprovisiondoesnotcover§2.1093-Portable exposureconditions).. Yes,theEUTisaMobileWirelessCharger. 5)TheE-fieldandH-fieldstrengths,atandbeyond20cmsurroundingthedevicesurface,aredemonstrated tobelessthan50%oftheapplicableMPElimit,perKDB447498,Table1. Yes,theEUTfieldstrengthlevelsareless50%*MPElimit. 6)Forsystemswithmorethanoneradiatingstructure,theconditionsspecifiedin(5)mustbemetwhenthe systemisfullyloaded(i.e.,clientsabsorbingmaximumpoweravailable),andwithalltheradiatingstructures operatingatmaximumpoweratthesametime,asperdesignconditions. Yes,theEUThasfourcoil,alltestmodesmettheconditionsspecifiedin(5). 2.2Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhumanexposure toradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE): 2.3TestSetup 3TestProcedure 1)TheRFexposuretestwasperformedon360degreeturntableinanechoicchamber. 2)Themeasurementprobewasplacedattestdistance(20cmandabovefromallsidesandTop)whichis betweentheedgeofthechargerandthegeometriccentreofprobe. 3)Theturntablewasrotated360ddegreetosearchofhigheststrength. 4)Thehighestemissionlevelwasrecordedandcomparedwithlimitassoonasmeasurementofeachpoints werecompleted. 5)TheEUTweremeasuredaccordingtothedictatesofKDB680106D01V04. 4TestInstrumentslist TestEquipmentManufacturerModelNo.SN. Cal.Date (mm-dd-yy) Cal.Duedate (mm-dd-yy) ExposureLevelTesterNardaELT-400180ZX10220Nov.16,2023Nov.15,2024 Magneticfieldprobe 100cm 2 NardaELTprobe100cm 2 M0675Nov.16,2023Nov.15,2024 5TestResult TestMode1~3: H-FiledStrengthat20cmfromtheedgessurroundingtheEUT(A/m): Battery Level: Frequency Range (MHz) Test PositionLeft (uT) Test PositionRight (uT) Test PositionRear (uT) Test PositionFront (uT) Test PositionTop (uT) <1% Battery 0.115-0.2050.270.280.320.270.33 50% Battery 0.115-0.2050.240.270.260.240.25 >98% Battery 0.115-0.2050.220.260.240.230.24 Battery Level: Frequency Range (MHz) Test Position Left(A/m) Test Position Right(A/m) Test Position Rear(A/m) Test Position Front(A/m) Test Position Top(A/m) Limits 50% (A/m) Limits (A/m) <1% Battery 0.115-0.2050.220.220.260.220.260.8151.63 50% Battery 0.115-0.2050.190.220.210.190.200.8151.63 >98% Battery 0.115-0.2050.180.210.190.180.190.8151.63 TestMode4~6: H-FiledStrengthat20cmfromtheedgessurroundingtheEUT(A/m): Battery Level: Frequency Range (MHz) Test PositionLeft (uT) Test PositionRight (uT) Test PositionRear (uT) Test PositionFront (uT) Test PositionTop (uT) <1% Battery 0.115-0.2050.250.260.280.290.30 50% Battery 0.115-0.2050.240.250.250.260.29 >98% Battery 0.115-0.2050.230.260.240.250.26 Battery Level: Frequency Range (MHz) Test Position Left(A/m) Test Position Right(A/m) Test Position Rear(A/m) Test Position Front(A/m) Test Position Top(A/m) Limits 50% (A/m) Limits (A/…

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深圳市深联宇电子有限公司 产品规格承 认书 客户名称： CUSTOMER 客户品名： Product Name ofCustomer 我方产品名（材质）： Product Mame ofOurs(Matenial) A11双槽40*53.5MM出线180MM背胶 线圈正 面贴白胶 承 认： APPROVED 核准： 制表： 日期： APPROVED 邓湘 DRAWN 赖伟 DATE 2024.2.28 地址：深圳市宝安区松岗溪头社区工业1路3号 电话：15112322462 传真：0755-29909524 正高 变更记录 REVISED RECORD PEVISON NO 版次 DATE 日期 REVISE DESCRIPTION 变更内容描述 Change person 变更人 REV :012024.2.28赖伟 REV:02 ESCRINED 拟制 CHECKED 审核 APPROVED 批准 PACE 页 码 赖伟 邓湘 陈展良 Specifcation 规 格 内 容 CUSTOMERP/N: 客户名称 PARTNUMBER： 制造商料号 5.WINDING DETAILS(绕线详细说明）： 6.ELECTRICAL CHARACTERISTICS(电气特性）： P ARAMETERS UNIN LIMTI Inductance ls@100KHz/1v uh ±5% Q @100KHz/1v 60MIN DCR @100KHz/1v mΩ 65MAX Wdy.NO. 绕 组 Start 开始 Finish 结束 Turns 圈数 Wire Dia 线径 Wdg.TyepeSprad/lose 绕线方法疏/密绕 Wdg.Direction 绕线方向 Turns/Layer 层数/每层圈数 S F 10TS 0.08*105P 丝包线 单层密绕 逆时针 1层/10TS APPROVED BY 承 认 CHECKED BY 审 查 PREPARED BY 制 作 DATE 日期 PAGE 页码 赖伟 2024.2.28 6.2 Coil gain: 0dBi MATERIAL LIST 材 料 清 单 CUSTOMER P/N: 客 户 品 名 PARTNUMBER： 制造商料号 NO. Material name 材料名称 Description 品名描述 Manufacturer 制造商 Material 材质 1 丝包线 Silk wrapping thread 0.08*108P 2 无铅锡条 Lead-free tin bars 高温 high temperature 3 磁片 Magnetic sheets 40.53.5 4 高温胶带 High temperature tape 8mm APPROVED BY 承 认 CHECKED BY 审 查 PREPARED BY 制作 DATE 日期 PAGE 页码 赖伟 2024.2.28

深圳市深联宇电子有限公司 产品规格承 认书 客户名称： CUSTOMER 客户品名： Product Name ofCustomer 我方产品名（材质）： Product Mame ofOurs(Matenial) A11 DOUBLE GROOVE 50*1MM OUTLET: 1160MM ADHESIVE COIL FRONT PLASTERED WITH WHITE GLUE 承 认： APPROVED 核准： 制表： 日期： APPRO VED邓湘DRAWN赖伟DATE 2024.2.28 地址：深圳市宝安区松岗溪头社区工业1路3号 电话：15112322462 传真：0755-29909524 正高 变更记录 REVISED RECORD PEVISON NO 版次 DATE 日期 REVISE DESCRIPTION 变更内容描述 Change person 变更人 REV :012024.2.28赖伟 REV:02 ESCRINED 拟制 CHECKED 审核 APPROVED 批准 PACE 页 码 赖伟邓湘陈展良 Specifcation 规 格 内 容 CUSTOMERP/N: 客户名称 PARTNUMBER： 制造商料号 5.WINDING DETAILS(绕线详细说明）： 6.ELECTRICAL CHARACTERISTICS(电气特性）： PARAMETERS UNIN LIMTI Inductance ls@100KHz/1v uh ±5% Q @100KHz/1v 60 MIN DCR @100KHz/1v mΩ 65MAX Wdy.NO. 绕 组 Start 开始 Finish 结束 Turns 圈数 Wire Dia 线径 Wdg.TyepeSprad/lose 绕线方法疏/密绕 Wdg.Direction 绕线方向 Turns/Layer 层数/每层圈数 S F 10TS 0.07*105P 丝包线 单层密绕 逆时针 1层/10TS APPROVED BY 承 认 CHECKED BY 审 查 PREPARED BY 制 作 DATE 日期 PAGE 页码 赖伟 2024.2.28 6.8 Coil gain: 0dBi MATERIAL LIST 材 料 清 单 CUST OMER P/N: 客 户 品 名 PARTNUMBER： 制造商料号 NO. Material name 材料名称 Description 品名描述 Manufacturer 制造商 Material 材质 1 丝包线 Silk wrapping thread 0.07*108P 2 无铅锡条 Lead-free tin bars 高温 high temperature 3 磁片 Magnetic sheets 50*1 4 高温胶带 High temperature tape 8mm APPROVED BY 承 认 CHECKED BY 审 查 PREPARED BY 制作 DATE 日期 PAGE 页码 赖伟 2024.2.28

产品规格承认书 SPECIFICATONAPPROVAL 客户名称： CUSTOMER乔威 客户品名： ProductNameofCustomer 我方产品名（材质）： ProductMameofOurs(Matenial)iwatchtransmittercoil 承认： APPROVED 核准：制表：日期： APPROVEDDRAWN赖伟DATE2023/3/22 页码 1of4 Specification 规格内容 CISTOMEP/N: 客户品名 Iwatchtransmittercoil PARTNUMBER： 供应商料号 1.DIMENSIONS(外形尺寸）：mm A 13.8±0.3 B 20.8 ± 0.5 C 50 ± 1 D 2 ± 1 E 3±1 F 7.8±0.5 G 24.6±0.5 H1 10.5±0.5 H2 6.5 ± 0.5 I1MAX J 2.5.2 ± 0.5 Remarks: Bluecolorindicatesthe coilsize； Coilgain:0dBi. APPROVEDBY 承认 CHECKEDBY 审查 PREPAREDBY 制作 DATE 日期 PACE 页码 赖伟 2023.3.22 2of4 Specifcation 规格内容 CUSTOMERP/N: 客户名称 iwatchtransmittercoil PARTNUMBER： 制造商料号 5.WINDINGDETAILS(绕线详细说明）： 6.ELECTRICALCHARACTERISTICS(电气特性）： PARAMETERSUNIN Inductancels@100KHz/1vuh 6.5±10% Q@100KHz/1v20-35 DCR@100KHz/1v Ω 100-130 Wdy.NO . 绕组 Start 开始 Finish 结束 Turns 圈数 WireDia 线径 Wdg.TyepeSprad/lose 绕线方法疏/密绕 Wdg.Direction 绕线方向 Turns/Layer 层数/每层圈数 SF12TS0.08*24P 密绕 反正绕 2层/12TS APPROVEDBY 承认 CHECKEDBY 审查 PREPAREDBY 制作 DATE 日期 PAGE 页码 赖伟 2023.3.22 3of4 MATERIALLIST 材料清单 CUSTOMERP/N: 客户品名 Watchcoil PARTNUMBER： 制造商料号 NO.Materialname 材料名称 Description 品名描述 Manufacturer 制造商 Material 材质 1 自粘热风线 Self-adhesivehot windline 0.08*24P 纯铜 finecopper 2 无铅锡条 Noleadtinstrip 高温 hightemperature 3 罐形磁片 Tankmagnetic sheet 24.6*8*2.5mm 铁氧体.锰锌 4 珍珠棉 pearlwool 5 纸箱 carton 6 7 8 9 10 APPROVEDBY 承认 CHECKEDBY 审查 PREPAREDBY 制作 DATE 日期 PAGE 页码 赖伟 2023.3.22 4of4

ProjectNo.:ZKT-2401291416E Page 1 of 30 FCCTESTREPORT FCCID:2BE8M-A5 ReportNumber. .................................. :ZKT-2401291416E DateofTest ....................................................... : Feb.16,2024toFeb.23,2024 Dateofissue.........................................: Feb.23,2024 Totalnumberofpages..........................30 TestResult .......................................... : PASS TestingLaboratory............................: ShenzhenZKTTechnologyCo.,Ltd. Address ............................................... : 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................: DINGSOUNDELECTRONICTECHNOLOGYCO.,LIMITED Address...............................................: ROOM605,6/F,FAYUENCOMMERCIALBUILDING,75-77FA YUENSTREET,MONGKOK,KOWLOON,HONGKONG Manufacturer'sname......................: DONGGUANZHENGGAOELECTRONICSCO.,LTD Address ............................................... : Room301,no.4,no.2zhenglongroad,chang’antown,Dongguan City Testspecification: Standard................................................:FCCCFRTitle47Part15SubpartC Testprocedure.....................................: / Non-standardtestmethod ................ :N/A TestReportFormNo. ....................... : TRF-EL-107_V0 TestReportForm(s)Originator.....: ZKTTesting MasterTRF........................................: Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname.....................................: WirelesschargerBluetoothspeaker Trademark...........................................: N/A Model/Typereference ......................... : A5 Ratings .................................................. : Input:12V2A,9V2A,5V2A PhoneOutput:5W/15W(Max) EarbudsOutput:5W(Max) WatchOutput:3W(Max) ProjectNo.:ZKT-2401291416E Page 2 of 30 Testingprocedureandtestinglocation: TestingLaboratory.......................................:ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China JimLiu Testedby(name+signature) ....................... : JacksonFang Reviewer(name+signature) ....................... : LakeXie Approved(name+signature).......................: ProjectNo.:ZKT-2401291416E Page 3 of 30 TABLEOFCONTENTS 1.VERSION..................................................................................................................................................4 2.TESTSUMMARY......................................................................................................................................5 2.1TESTFACILITY..................................................................................................................................6 2.2MEASUREMENTUNCERTAINTY.....................................................................................................6 3.GENERALINFORMATION......................................................................................................................7 3.1GENERALDESCRIPTIONOFEUT...................................................................................................7 3.2Testmode...........................................................................................................................................8 3.3BlockDiagramofEUTConfiguration..................................................................................................9 3.4TestConditions...................................................................................................................................9 3.5DescriptionOfSupportUnits(ConductedMode)...............................................................................9 3.6EQUIPMENTSLISTFORALLTESTITEMS...................................................................................10 4.CONDUCTEDEMISSIONTEST............................................................................................................12 4.1CONDUCTEDEMISSIONMEASUREMENT...................................................................................12 4.1.1POWERLINECONDUCTEDEMISSIONLimits...........................................................................12 4.1.2TESTPROCEDURE......................................................................................................................12 4.1.3DEVIATIONFROMTESTSTANDARD.........................................................................................12 4.1.4TESTSETUP.................................................................................................................................13 4.1.5EUTOPERATINGCONDITIONS..................................................................................................13 4.1.6TestResult.....................................................................................................................................14 5.RADIATEDEMISSIONMEASUREMENT..............................................................................................16 5.1RadiatedEmissionLimits..................................................................................................................16 5.2AnechoicChamberTestSetupDiagram..........................................................................................17 5.3TestProcedure.................................................................................................................................17 5.4DEVIATIONFROMTESTSTANDARD............................................................................................17 5.5TestResult.........................................…

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EUTTESTPHOTO TestMode:A5 WPTMode BTMode