2A4OE-B-18SFoldable 4-in-1 wireless charger

EnglishUserManual en/英语 Dearuser,thankyouforpurchasingourproduct ·Thisproductcanchargephones,headphones,andwatchesthatcomply withtheQistandard. ·PleaseuseitwithaQC3.0orPD20Worhigherpoweradapter. ·Donotstoreoruseinenvironmentswithhightemperature,humidity, strongstaticelectricity,andstrongmagneticfields,anddonotplacemetal objectsinwirelesschargingareas. 1 Wirelesschargingfor mobilephones 2Watchwirelesscharging 3Wirelesschargingof earphones 4Light 5 Switchforthelight USBcable ·Input:DC9V⎓2A,12V⎓1.5 Product Specifications · Model: B-18S A ·MobilePhoneOutput:15W(Max) ·HeadphoneOutput:5W ·WatchOutput:3W TranslationExplanation · Thecontenttextofthismanualisautomaticallytranslatedbythemachine.Ifthere areanyinaccuracies,pleaseunderstand.Thankyouverymuch. FCCWARNING Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjectto thefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)thisdevicemustacceptanyinterferencereceived,including interferencethatmaycauseundesiredoperation. Note:Thisequipmenthasbeentestedandfoundtocomplywiththelimits foraClassBdigitaldevice,pursuanttopart15oftheFCCRules.Theselimits aredesignedtoprovidereasonableprotectionagainstharmfulinterference inaresidentialinstallation.Thisequipmentgenerates,usesandcanradiate radiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththe instructions,maycauseharmfulinterferencetoradiocommunications. However,thereisnoguaranteethatinterferencewillnotoccurina particularinstallation.Ifthisequipmentdoescauseharmfulinterferenceto radioortelevisionreception,whichcanbedeterminedbyturningthe equipmentoffandon,theuserisencouragedtotrytocorrectthe interferencebyoneormoreofthefollowingmeasures: —Reorientorrelocatethereceivingantenna. —Increasetheseparationbetweentheequipmentandreceiver. —Connecttheequipmentintoanoutletonacircuitdifferentfromthatto whichthereceiverisconnected. —Consultthedealeroranexperiencedradio/TVtechnicianforhelp. Note:TheGranteeisnotresponsibleforanychangesormodificationsnot expresslyapprovedbythepartyresponsibleforcompliance.Such modificationscouldvoidtheuser'sauthoritytooperatetheequipment. ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement. TomaintaincompliancewithFCC'sRFexposureguidelines,thedistance mustbeatleast20cmbetweentheradiatorandyourbody,andfully supportedbytheoperatingandinstallationconfigurationsofthe transmitteranditsantenna(s).

DongguanBoxindaElectronicTechnologyCo.,Ltd. Address：Room1001,Building4,160LuyuanRoad,TangxiaTown,DongguanCity, GuangdongProvince,China. Date:2026-01-29 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2A4OE-B-18S FRN:0031992282 (“DongguanBoxindaElectronicTechnologyCo.,Ltd.”)certifiesthat,asofthedateofthefiling oftheapplication,GOLDENVICTORYINTERNATIONALTRADINGCOLTDisour designatedU.S.agentforserviceofprocessfortheabovereferencedFCCID.(“Dongguan BoxindaElectronicTechnologyCo.,Ltd.”)acceptstomaintainanagentfornolessthanone yearafterthegranteehasterminatedallmarketingandimportationortheconclusionofany Commission-relatedproceedinginvolvingtheequipment. GOLDENVICTORYINTERNATIONALTRADINGCOLTDaccepts,asofthedateofthefiling oftheapplication,theobligationofthedesignatedU.S.agentforserviceofprocessforthe abovereferencedFCCID. DesignatedU.S.AgentInformation: Name:GOLDENVICTORYINTERNATIONALTRADINGCOLTD Address:11016THSTREETSUITE1400DENVER,CO80202UnitedStates FRN：0036377570 ContactPerson:LeonHowar Tel.:(337)255-0461 Email:[email protected] Sincerely, Signedonbehalfof（DongguanBoxinda ElectronicTechnologyCo.,Ltd.） SignedonbehalfofGOLDENVICTORY INTERNATIONALTRADINGCOLTD Name:SongzhenliName:LeonHowar Title:projectmanagerTitle:Manager Date:2026-01-29Date:2026-01-29

Rev1/26/2023 (DongguanBoxindaElectronicTechnologyCo.,Ltd.) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:1-29-2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2A4OE-B-18S (“DongguanBoxindaElectronicTechnologyCo.,Ltd.”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. (“DongguanBoxindaElectronicTechnologyCo.,Ltd.”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24- 886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature): (Applicantprintedname):Songzhenli Rev1/26/2023 (DongguanBoxindaElectronicTechnologyCo.,Ltd.) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:1-29-2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2A4OE-B-18S (“DongguanBoxindaElectronicTechnologyCo.,Ltd.”)certifiesthat,asofthedateofthefilingofthe application,DongguanBoxindaElectronicTechnologyCo.,Ltd.isnotidentifiedontheCoveredList(asa specificallynamedentityoranyofitssubsidiariesoraffiliates)asanentityproducing“covered” equipment. Sincerely, (Applicantsignature): (Applicantprintedname):Songzhenli

DongguanBoxindaElectronicTechnologyCo.,Ltd. Date:January29,2026 ProductModelNumber:B-18S Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:projectmanager Email:[email protected] Telephone:13423908225 Onbehalfof:DongguanBoxindaElectronicTechnologyCo.,Ltd.

DongguanBoxindaElectronicTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:January29,2026 Subject;RequestforConfidentiality FCCID:2A4OE-B-18S ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure SoftwareSecurityRequirementsforUNIIdevices 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:Songzhenli Title:projectmanager

产品规格承认书 SpecificatonApproval 客户名称（Customer）： 客户料号（CustomerP/N）： 产品类型（Model）： A11单层发射带槽模组 A11 single-layer slot-type emitter module 发行日期（IssueDate）： 文件版本（DocumentRev.）： 客户签署 （ CustomerSignatures ） 我司签署 （InnerSignatures） 制作商（Mfrs.）： 东莞市聚源线圈科技有限公司 Dongguan Juyuan Coil Technology Co., Ltd 初审 （ PrecheckBy ） 邮箱（E-mail）： 地址（Add.）：广东省东莞市石碣镇东风南路75号村委中心工业区A栋4楼 No. 75 Dongfeng South Road, Shijie Town, Dongguan City, Guangdong Province. The village committee's central industrial zone, Building A, 4th floor. [email protected] : 复审 （ CheckedBy ） : 承认 （ ApprovedBy ） : 部门 （Department）: 工程部 （ED） 品质部 （QC） 业务部 （SD） 核实 （ApprovdeBy）： Please sign back. If you do not sign back, placing an order will be regarded as an acknowledgment of the sign-off! 电话（Tel）：+86（0769）82297538 传真（Fax）：+86（0769）82297548 ChangeChangeTheDetail Version1.0.0part1of5 更改目录 Change the table of contents Change items Before revision After modification Date changed Reviser SpecificationsReferenceDesigns Version1.0.0part2of5 产品型号： ModelNumber 客户料号： CustomerP/N 供应商料号： SupplierP/N 一，外观与尺寸（AppearanceSize）：（单位/mm） A5.3±0.5 B20.5±0.5 C43.5±1 D50±1 E4MAX F31±2 G1.0±0.2 H2.9MAX I J K L M N O P Q R S T U V W X Y Z SpecificationsReferenceDesigns Version1.0.0part3of5 二，原理图（SchematicDiagram）： 三，绕线参数（WindingParameters）： 绕组 Winding 开始 Start 结束 Finish 圈数 Turns 线径 LineDiameter 绕线方式 WindingWay 绕线方向 WindingDirection 层数&圈数 Layer&Circle SF10TS 0.08*105P 单层密绕 Single-layer tightly wound 逆时针 anticlockwise 1层/10TS 1Layer/10TS 四，电气特性（ElectricalCharacteristics）： 项目 Item 端子 Terminal 测试条件 TestConditions 测试仪器 TestInstrument 参数 Parameter 单位 Unit 数值 NumericalValue 电感 S-F100KHz/1.00V/100Ω Inductance @100KHz/1 1062电桥Bridge V μH6.4μH±10% Q值 S-F100KHz/1.00V/100ΩQ@100KHz/1 1062电桥Bridge V75MIN 电阻S-F100KHz/1.00V/100ΩRS@100KHz/11062电桥BridgeVmΩ60MAX EncascmentThepackingway Version1.0.0part4of5 产品 Product 单层数量 Singlelayerquantity 总数/箱 Total/Bo 层数/箱 Layer/Boxx 重量 Weigh A11270pcs810pc 3 层 Layers 1、每层珍珠棉可装270pcs产品； 2、每箱可装3层珍珠棉，即可装810产品 MaterielBillOfMaterials Version1.0.0part5of5 材料清单 MaterialList 客户料号: CustomerP/N 制造商料号: SupplierP/N 序号 No. 材料名称 MaterialName 材料规格 MaterialSpecification 材料代号 MaterialCode 制作商 Manufacturer 1 0.08*105 自粘丝包线 Self-adhesive wire wrapping tape P XCSBX-00080105-0001 2 无铅锡条 Lead-free tin rod WQXT*-33002420-001 高温 high temperature 3 3 胶水 glue WNJS*-00000015-002 树脂胶 resin adhesive 1 48m 高温胶带 high-temperature tape mGWJD*-18000008-0010 5 G50*5.3*1m G50磁片 magnetic sheet mCP**Y-50005310-0018 6459*5.5*0.08m 双面胶 double sides adhesive tape mSMJ**-49005508-0003 7 380*280*55m珍珠棉 EPE foam mBZH**-38028055-0020 8400*305*190m纸箱 carton mZH***-40030519-0015 9 10 11 12 13

产品规格承认书 SpecificatonApproval 客户名称（Customer）： 客户料号（CustomerP/N）： 产品类型（Model）： A11单层发射带槽模组 A11 single-layer slot-type emitter module 发行日期（IssueDate）： 文件版本（DocumentRev.）： 客户签署 （ CustomerSignatures ） 我司签署 （InnerSignatures） 制作商（Mfrs.）： 东莞市聚源线圈科技有限公司 Dongguan Juyuan Coil Technology Co., Ltd 初审 （ PrecheckBy ） 邮箱（E-mail）： 地址（Add.）：广东省东莞市石碣镇东风南路75号村委中心工业区A栋4楼 No. 75 Dongfeng South Road, Shijie Town, Dongguan City, Guangdong Province. The village committee's central industrial zone, Building A, 4th floor. [email protected] : 复审 （ CheckedBy ） : 承认 （ ApprovedBy ） : 部门 （Department）: 工程部 （ED） 品质部 （QC） 业务部 （SD） 核实 （ApprovdeBy）： Please sign back. If you do not sign back, placing an order will be regarded as an acknowledgment of the sign-off! 电话（Tel）：+86（0769）82297538 传真（Fax）：+86（0769）82297548 ChangeChangeTheDetail Version1.0.0part1of5 更改目录 Change the table of contents Change items Before revision After modification Date changed Reviser SpecificationsReferenceDesigns Version1.0.0part2of5 产品型号： ModelNumber 客户料号： CustomerP/N 供应商料号： SupplierP/N 一，外观与尺寸（AppearanceSize）：（单位/mm） A5.3±0.5 B20.5±0.5 C43.5±1 D50±1 E4MAX F31±2 G1.0±0.2 H2.9MAX I J K L M N O P Q R S T U V W X Y Z SpecificationsReferenceDesigns Version1.0.0part3of5 二，原理图（SchematicDiagram）： 三，绕线参数（WindingParameters）： 绕组 Winding 开始 Start 结束 Finish 圈数 Turns 线径 LineDiameter 绕线方式 WindingWay 绕线方向 WindingDirection 层数&圈数 Layer&Circle SF10TS 0.08*105P 单层密绕 Single-layer tightly wound 逆时针 anticlockwise 1层/10TS 1Layer/10TS 四，电气特性（ElectricalCharacteristics）： 项目 Item 端子 Terminal 测试条件 TestConditions 测试仪器 TestInstrument 参数 Parameter 单位 Unit 数值 NumericalValue 电感 S-F100KHz/1.00V/100Ω Inductance @100KHz/1 1062电桥Bridge V μH6.4μH±10% Q值 S-F100KHz/1.00V/100ΩQ@100KHz/1 1062电桥Bridge V75MIN 电阻S-F100KHz/1.00V/100ΩRS@100KHz/11062电桥BridgeVmΩ60MAX EncascmentThepackingway Version1.0.0part4of5 产品 Product 单层数量 Singlelayerquantity 总数/箱 Total/Bo 层数/箱 Layer/Boxx 重量 Weigh A11270pcs810pc 3 层 Layers 1、每层珍珠棉可装270pcs产品； 2、每箱可装3层珍珠棉，即可装810产品 MaterielBillOfMaterials Version1.0.0part5of5 材料清单 MaterialList 客户料号: CustomerP/N 制造商料号: SupplierP/N 序号 No. 材料名称 MaterialName 材料规格 MaterialSpecification 材料代号 MaterialCode 制作商 Manufacturer 1 0.08*105 自粘丝包线 Self-adhesive wire wrapping tape P XCSBX-00080105-0001 2 无铅锡条 Lead-free tin rod WQXT*-33002420-001 高温 high temperature 3 3 胶水 glue WNJS*-00000015-002 树脂胶 resin adhesive 1 48m 高温胶带 high-temperature tape mGWJD*-18000008-0010 5 G50*5.3*1m G50磁片 magnetic sheet mCP**Y-50005310-0018 6459*5.5*0.08m 双面胶 double sides adhesive tape mSMJ**-49005508-0003 7 380*280*55m珍珠棉 EPE foam mBZH**-38028055-0020 8400*305*190m纸箱 carton mZH***-40030519-0015 9 10 11 12 13

深圳市瑞通千业科技有限公司 ShenzhenRuitongQianyiTechnologyCo.,Ltd. Address:No.301,XinshengRoad,XinjiangCommunity,MiantianSubdistrict,GuangmingDistrict,ShenzhenCity 客户/Ciient 名称/TYPEA28-6.8UHWirelessChargingTransmittingCoil 产品型号 ModelNOA28double-coil,85*46*0.75thickself-adhesive,90/75MMinlength 产品编号Partnunberingsystey 客户料号 Cientp/NO 工程编号 EnginrerNO 日期 /Date2023.5.8 本公司工程部 /ForEnginerDepartnerOnly 修改内容 /RrvisedCintent 认可日期 /APProvedDate 编制/Prepared审核/Checked认可/Approved 万纪美万纪美刘成昭 客户认可回签/AuthorixedSignaturureCompanyChop 工程/Enginrer认可/QCAPProved认可日期/APProved 一、线圈工艺/WindingProcese: JimeiWanJimeiWan ChengzhaoLiu 深圳市瑞通千业科技有限公司 ShenzhenRuitongQianyiTechnologyCo.,Ltd. Address:No.301,XinshengRoad,XinjiangCommunity,MiantianSubdistrict,GuangmingDistrict,ShenzhenCity NOWindingGuage Number ofturns Directionof winding Remark 1N12UEW-B-0.08*105P9TSCCW 2 二．电气性能/FEATURES: 1.测试条件（Testconditions）：25°C,65%RH@100KHz/1V 1.1电感量（Inductance） 1.11L0A（单独线圈）=4.3uH±10% 1.12L0A(线圈+磁片)=6.8uH±10% 1.2Q值=80MIN 1.3直流电阻（DCR）：60mΩMAX 1.4工作温度(OperatingTemperature)：-25°C~85°C 2.测试仪器(Testinstrument)： L:Chuagda1068+1310;DCR:502BC;SIZE:Callipers 3.材料清单billofmaterials 单位unit：MM N O 项目材料 1WIRE￠ 0.08*105P2UEW- 2FERRITE 85*46*0.75hickmagneticsheet 3GLUEWater-basedwhiteglue 4SOLDERHQ-996/JS-996 5TinKanjiroPureTin 6 High temperature adhesive 8MMhigh-temperaturetape 7 8 深圳市瑞通千业科技有限公司 ShenzhenRuitongQianyiTechnologyCo.,Ltd. Address:No.301,XinshengRoad,XinjiangCommunity,MiantianSubdistrict,GuangmingDistrict,ShenzhenCity 四．外形图 /OUTSIDEDIAGRA Note:Attheoutletpositionofthecoil,8MM(ref)heat-resistantadhesivetapeiswoundaround,and double-sidedadhesiveisattachedtothebackofthemagneticplate. crite rion ABCDEFGH STD 85±0.546±0.525.5±0.517±0.547±0.539±0.590/75±23±1 crite rion I J STD 0.75± 0.05 3.4± 0.05 单位 unit ： MM 深圳市瑞通千业科技有限公司 ShenzhenRuitongQianyiTechnologyCo.,Ltd. Address:No.301,XinshengRoad,XinjiangCommunity,MiantianSubdistrict,GuangmingDistrict,ShenzhenCity 五．包装/PACKAGE 5.3包装以现有包装盘为参照标准，以实际出货包装为准，如有特殊要求可定制。 Thepackagingshallbebasedontheexustingpackingplateandtheactualdeliverypackage shallprevail.Ifthereisanyrequirement,wecancustomizeit. 深圳市瑞通千业科技有限公司 ShenzhenRuitongQianyiTechnologyCo.,Ltd. Address:No.301,XinshengRoad,XinjiangCommunity,MiantianSubdistrict,GuangmingDistrict,ShenzhenCity 六、贮存和使用条件StorageandUsecondition 6.1贮存条件Storagecondition 6.1.1建议贮存条件：温度-25°C~85°C，湿度70%(Max.) Recommendedkeepingconditions:-25°C ~ 85°C,70%RH(Max.) 6.1.2贮存期限：自生产之日起六个月内 Storagelife:Withinthelimitsofsixmonthsfrombeing produced. 6.2使用条件Usecondition 使用条件限制：温度=-25°C~85°C,湿度≤90% Useconditionlimit:T=-25°C ~ 85°C,RH≤90%.

深圳市瑞通千业科技有限公司 ShenzhenRuitongQianyiTechnologyCo.,Ltd. Address:No.301,XinshengRoad,XinjiangCommunity,MiantianSubdistrict,GuangmingDistrict,ShenzhenCity 客户/Ciient 名称/TYPE苹果线圈Applecoil 产品型号 ModelNO G24.5*7.8*2.4,totallength15MM,double-sidedadhesivetapemagnet3400GS 产品编号Partnunberingsystey 客户料号 Cientp/NO 工程编号 EnginrerNO 日期/Date2024.1.22 本公司工程部/ForEnginerDepartnerOnly 修改内容/RrvisedCintent认可日期/APProvedDate 编制 /Prepared 审核 /Checked 认可 /Approved 万纪美万纪美刘成昭 客户认可回签/AuthorixedSignaturureCompanyChop 工程 /Enginrer 认可 /QCAPProved 认可日期 /APProved JimeiWan JimeiWan ChengzhaoLiu 深圳市瑞通千业科技有限公司 ShenzhenRuitongQianyiTechnologyCo.,Ltd. Address:No.301,XinshengRoad,XinjiangCommunity,MiantianSubdistrict,GuangmingDistrict,ShenzhenCity 一、线圈工艺/WindingProcese: NOWindingGuage Number ofturns Directionof winding Remark 1N12UEW-B-0.08*24P14TSCCW 2 二．电气性能/FEATURES: 1.测试条件（Testconditions）：25°C,65%RH@100KHz/1V 1.1电感量（Inductance） 1.12L0A(线圈+磁片)=8.0uH±5% 1.2Q值=48MIN 1.3直流电阻（DCR）：20mΩMAX 1.4工作温度(OperatingTemperature)：-25°C~85°C 2.测试仪器(Testinstrument)： L:Chuagda1068+1310;DCR:502BC;SIZE:Callipers 3.材料清单billofmaterials N O ProjectMaterials 1WIRE￠ 0.08*24p2UEW- 2FERRITE 24.5*7.6*2.5Cantype:perforatedrubbermagneticsoftmagnetic 3GLUEWater-basedwhiteglue 4SOLDERHQ-996/JS-996 5TinKanjiroPureTin 6 High temperature adhesive 7 8 深圳市瑞通千业科技有限公司 ShenzhenRuitongQianyiTechnologyCo.,Ltd. Address:No.301,XinshengRoad,XinjiangCommunity,MiantianSubdistrict,GuangmingDistrict,ShenzhenCity 单位unit：MM 三．外形图 /OUTSIDEDIAGRA Note:Thebackofthemagneticdisciscoatedwithdouble-sidedadhesive. stan dard ABCDEF STD 13.5.± 0.2 23.3± 0.2 24.5±0.215±13±12.5±0.2 单位 unit ： MM 深圳市瑞通千业科技有限公司 ShenzhenRuitongQianyiTechnologyCo.,Ltd. Address:No.301,XinshengRoad,XinjiangCommunity,MiantianSubdistrict,GuangmingDistrict,ShenzhenCity 四、包装 /PACKAGE 5.3包装以现有包装盘为参照标准，以实际出货包装为准，如有特殊要求可定制。 Thepackagingshallbebasedontheexustingpackingplateandtheactualdeliverypackage shallprevail.Ifthereisanyrequirement,wecancustomizeit. 深圳市瑞通千业科技有限公司 ShenzhenRuitongQianyiTechnologyCo.,Ltd. Address:No.301,XinshengRoad,XinjiangCommunity,MiantianSubdistrict,GuangmingDistrict,ShenzhenCity 五、贮存和使用条件StorageandUsecondition 5.1贮存条件Storagecondition 5.1.1建议贮存条件：温度-25°C~85°C，湿度70%(Max.) Recommendedkeepingconditions:-25°C~85°C,70%RH(Max.) 5.1.2贮存期限：自生产之日起六个月内 Storagelife:Withinthelimitsofsixmonthsfrombeing produced. 5.2使用条件Usecondition 使用条件限制：温度=-25°C ~ 85°C,湿度≤90% Useconditionlimit:T=-25°C~85°C,RH≤90%.

FCCID:2A4OE-B-18S EUTPHOTOSExternalPhotos FCCID:2A4OE-B-18S FCCID:2A4OE-B-18S FCCID:2A4OE-B-18S ※※※※※ENDOFREPORT※※※※※

Size:20mmX30mm FCCID：2A4OE-B-18S Thisdevicecomplieswithpart15oftheFCCRules. Operationissubjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)thisdevicemustacceptanyinterferencereceived, includinginterferencethatmaycauseundesired

FCCID:2A4OE-B-18S EUTPHOTOSInternalPhotos FCCID:2A4OE-B-18S PhoneCoil FCCID:2A4OE-B-18S WatchCoil FCCID:2A4OE-B-18S HeadphoneCoil FCCID:2A4OE-B-18S FCCID:2A4OE-B-18S ※※※※※ENDOFREPORT※※※※※

ProjectNo.:ZHT-251229127W01-2 Page 1 of 11 RFExposureEvaluation FCCID:2A4OE-B-18S ApplicantName...............:DongguanBoxindaElectronicTechnologyCo.,Ltd. Address............................:Room1001,Building4,160LuyuanRoad,TangxiaTown,DongguanCity, GuangdongProvince,China. ManufacturerName.........:DongguanBoxindaElectronicTechnologyCo.,Ltd. Address............................:Room1001,Building4,160LuyuanRoad,TangxiaTown,DongguanCity, GuangdongProvince,China. Product............................:Foldable4-in-1wirelesscharger Model(s)...........................:B-18S AdditionalModel(s)..........:/ Trademark.......................:/ ModelDifference..............:/ Preparedby.....................:GuangdongZhonghanTestingTechnologyCo.,Ltd. Address............................:Room104/201,Building1,YibaolaiIndustrialPark,Qiaotou,Fuhai Subdistrict,Bao'anDistrict,Shenzhen,Guangdong,China DateofReceipt................:Dec.29,2025 DateofTest(s).................:Dec.29,2025-Jan.22,2026 DateofIssue....................:Jan.22,2026 TestRequested...............:Selecttest(s)asrequestedbytheclient. TestStandard(s)..............:KDB680106D01WirelessPowerTransferv04 Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. Preparedby:Reviewedby:Approvedby: KimiLu/EngineerBaretWu/DirectorLeviLee/Manager Note:Theresultsshowninthistestreportreferonlytothesample(s)testedunlessotherwisestated.Thistest reportshallnotbereproducedexceptinfull,withoutpriorwrittenapprovalofZHT.Thisdocumentmaybe alteredorrevisedbyZHT,personnelonly,andshallbenotedintherevisionofthedocument. ProjectNo.:ZHT-251229127W01-2 Page 2 of 11 TableofContentsPage 1.GENERALINFORMATION................................................................................................................................3 1.1.GENERALDESCRIPTIONOFEUT.......................................................................................................3 1.2.TESTMODES.........................................................................................................................................4 1.3.AUXILIARYEQUIPMENT.......................................................................................................................5 2.RFEXPOSURETEST........................................................................................................................................6 2.1.MEASURINGSTANDARD.....................................................................................................................6 2.2.REQUIREMENTS...................................................................................................................................6 2.3.LIMITS....................................................................................................................................................6 2.4.TESTSETUP..........................................................................................................................................7 2.5.TESTPROCEDURE...............................................................................................................................7 2.6.MEASUREMENTUNCERTAINTY.........................................................................................................7 2.7.TESTINSTRUMENTSLIST...................................................................................................................8 2.8.TESTRESULT........................................................................................................................................8 2.9.TESTPHOTOS.......................................................................................................................................9 ProjectNo.:ZHT-251229127W01-2 Page 3 of 11 1.GENERALINFORMATION 1.1.GENERALDESCRIPTIONOFEUT ProductName:Foldable4-in-1wirelesscharger TestModelNo.: B-18S Hardwareversion:V1.0 Softwareversion:V1.0 OperationFrequency:MobilePhone:110.1-205kHz Headphone:110.1-205kHz Watch:110.1-205kHz Modulationtype:ASK AntennaType:InductiveloopcoilAntenna Antennagain:0dBi Ratings:Input:9V⎓2A,12V⎓1.5A MobilePhoneoutput:15WMax Headphoneoutput:5W Watchoutput:3W SampleNumber:251229127YP001 Remark:Theantennagainisprovidedbythecustomer,ifthedataprovidedbythecustomerisnotaccurate, GuangdongZhonghanTestingTechnologyCo.,Ltd.doesnotassumeanyresponsibility. ProjectNo.:ZHT-251229127W01-2 Page 4 of 11 1.2.TESTMODES TestModes: Mode1 ACMains+Phonechargingport+Earphonechargingport+Watchchargingport(Battery Status:≤1%) Mode2 ACMains+Phonechargingport+Earphonechargingport+Watchchargingport(Battery Status:50%) Mode3 ACMains+Phonechargingport+Earphonechargingport+Watchchargingport(Battery Status:≥98%) Mode4ACMains+Phonechargingport(BatteryStatus:≤1%) Mode5ACMains+Phonechargingport(BatteryStatus:50%) Mode6ACMains+Phonechargingport(BatteryStatus:≥98%) Mode7ACMains+Headphonechargingport(BatteryStatus:≤1%) Mode8ACMains+Headphonechargingport(BatteryStatus:50%) Mode9ACMains+Headphonechargingport(BatteryStatus:≥98%) Mode10ACMains+Watchchargingport(BatteryStatus:≤1%) Mode11ACMains+Watchchargingport(BatteryStatus:50%) Mode12ACMains+Watchchargingport(BatteryStatus:≥98%) Mode13Standby Note:Allmodesweretested,onlytheworst-casewasrecordedinthereport.Mode1istheworstmode. ProjectNo.:ZHT-251229127W01-2 Page 5 of 11 1.3.AUXILIARYEQUIPMENT Item EquipmentMfr/BrandModel/TypeNo.SeriesNo.Note E-1ACAdapter HuizhouJinhuIndustrial DevelopmentCo.,Ltd. VCBAJACH/AE E-2MobilephoneXiaomiXiaomi13/AE E-3EarphoneAppleInc.A2031/AE E-4ApplewatchAppleInc.ultra2/AE ProjectNo.:ZHT-251229127W01-2 Page 6 of 11 2.RFEXPOSURETEST 2.1.MEASURINGSTANDARD KDB680106D01WirelessPowerTransferv04 2.2.REQUIREMENTS Accordingtotheitem5ofKDB680106D01v04: Inductivewirelesspowertransferapplicationsthatmeetallofthefollowingrequirementsareexcludedfrom submittinganRFexposureevaluation. Requirementsofsection3ofKDB680106D01Yes/NoDescription MobileDeviceandPortableDeviceConfigurationsYesMobileDevice EquipmentAuthorizationProceduresforDevicesOperatingat Frequen…

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ProjectNo.:ZHT-251229127W01-1 Page 1 of24 FCCTESTREPORT FCCID:2A4OE-B-18S ApplicantName...............:DongguanBoxindaElectronicTechnologyCo.,Ltd. Address............................:Room1001,Building4,160LuyuanRoad,TangxiaTown,DongguanCity, GuangdongProvince,China. ManufacturerName.........:DongguanBoxindaElectronicTechnologyCo.,Ltd. Address............................:Room1001,Building4,160LuyuanRoad,TangxiaTown,DongguanCity, GuangdongProvince,China. Product............................:Foldable4-in-1wirelesscharger Model(s)...........................:B-18S AdditionalModel(s)..........:/ Trademark........................:/ ModelDifference..............:/ Preparedby......................:GuangdongZhonghanTestingTechnologyCo.,Ltd. Address............................:Room104/201,Building1,YibaolaiIndustrialPark,Qiaotou,Fuhai Subdistrict,Bao'anDistrict,Shenzhen,Guangdong,China DateofReceipt................:Dec.29,2025 DateofTest(s)..................:Dec.29,2025-Jan.22,2026 DateofIssue....................:Jan.22,2026 TestRequested................:Selecttest(s)asrequestedbytheclient. TestStandard(s)................:FCCCFRTitle47Part15SubpartC Testprocedure..................:ANSIC63.10-2020 Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. Preparedby:Reviewedby:Approvedby: KimiLu/EngineerBaretWu/DirectorLeviLee/Manager Note:Theresultsshowninthistestreportreferonlytothesample(s)testedunlessotherwisestated.Thistest reportshallnotbereproducedexceptinfull,withoutpriorwrittenapprovalofZHT.Thisdocumentmaybe alteredorrevisedbyZHT,personnelonly,andshallbenotedintherevisionofthedocument. ProjectNo.:ZHT-251229127W01-1 Page 2 of 23 TABLEOFCONTENTS 1.TESTSUMMARY......................................................................................................................................3 2.GENERALINFORMATION......................................................................................................................4 3.1GENERALDESCRIPTIONOFEUT...................................................................................................4 3.2Testmode...........................................................................................................................................5 3.3BlockDiagramofEUTConfiguration..................................................................................................6 3.4TestConditions...................................................................................................................................6 3.TESTFACILITYANDTESTINSTRUMENTUSED.................................................................................7 4.1TestFacility.........................................................................................................................................7 4.2InstrumentListForAllTestItems.......................................................................................................7 4.3Testingsoftware..................................................................................................................................8 4.4MeasurementUncertainty...................................................................................................................8 4.CONDUCTEDEMISSIONTEST..............................................................................................................9 5.1CONDUCTEDEMISSIONMEASUREMENT.....................................................................................9 5.1.1POWERLINECONDUCTEDEMISSIONLimits.............................................................................9 5.1.2TESTPROCEDURE........................................................................................................................9 5.1.3DEVIATIONFROMTESTSTANDARD...........................................................................................9 5.1.4TESTSETUP.................................................................................................................................10 5.1.5EUTOPERATINGCONDITIONS..................................................................................................10 5.1.6TestResult.....................................................................................................................................11 5.RADIATEDEMISSIONMEASUREMENT..............................................................................................13 6.1RadiatedEmissionLimits..................................................................................................................13 6.2AnechoicChamberTestSetupDiagram..........................................................................................14 6.3TestProcedure.................................................................................................................................14 6.4DEVIATIONFROMTESTSTANDARD............................................................................................14 6.5TestResult........................................................................................................................................15 6.BANDWIDTHTEST................................................................................................................................18 7.…

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