2A4OE-B-23Foldable 3-in-1 wireless charger

FCCWarning Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterference received,includinginterferencethatmaycauseundesiredoperation. AnyChangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecould voidtheuser'sauthoritytooperatetheequipment. Note:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice, pursuanttopart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotection againstharmfulinterferenceinaresidentialinstallation.Thisequipmentgeneratesusesandcanradiate radiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycause harmfulinterferencetoradiocommunications.However,thereisnoguaranteethatinterferencewillnot occurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevision reception,whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotryto correcttheinterferencebyoneormoreofthefollowingmeasures: -Reorientorrelocatethereceivingantenna. -Increasetheseparationbetweentheequipmentandreceiver. -Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected. -Consultthedealeroranexperiencedradio/TVtechnicianforhelp. TheequipmentcomplieswithFCCradiationexposurelimitssetforthforanuncontrolledenvironment. Duringtheoperationofdeviceadistanceof15cmsurroundingthedeviceand20cmabovethetop surfaceofthedevicemustberespected.

DongguanBoxindaElectronicTechnologyCo., LTD FederalCommunicationsCommission Authorizationand EvaluationDivision EquipmentAuthorizationBranch 7435 OaklandMills Road Columbia,MD 21046 9/15/23 U.S. AgentDesignation DongguanBoxindaElectronicTechnologyCo., LTDacknowledgestheir consentfor the followingcontact locatedin the UnitedStatesto act as their agent for serviceof processfor the equipmentfor whichauthorization is sought(FCC ID:2A4OE-B-23): Nameand companyof U.S. agent: Tim Payne,FCC US Agent,LLC PhysicalU.S. addressof agent:3722 IllinoisAvenue,Saint Charles,IL, 60174,USA FRN of U.S. agent: 0033402884 Email addressof U.S. agent: [email protected] FCC US Agent,LLCacknowledgestheir obligationto acceptserviceof processon behalfofDongguan BoxindaElectronicTechnologyCo., LTD. DongguanBoxindaElectronicTechnologyCo., LTDwith the FRN0031992282acceptsits obligationto maintainan agent for serviceof processin the UnitedStatesfor no less than one year after either the granteehas permanentlyterminatedall marketingand importationof the applicableequipmentwithinthe U.S., or the conclusionof any Commission-relatedadministrativeor judicialproceedinginvolvingthe equipment,whicheveris later. By signingthis form, we confirmthe aboveand that we are awareof the applicationrequirementslisted under§ 2.911(d)(7). The informationprovidedin this letter is basedon the referencedrule parts of Title 47 of the CFR as well as KDB 986446D01. An expirationdate for this letter does not exist. In case the U.S. agent changes,the granteeis obligatedto notify the FCC within 30 days via the grantingTCB. Sincerely, Signature [songzhenli ] [projectmanager] [DongguanBoxindaElectronicTechnologyCo., LTD ] Signature Tim Payne Manager FCC US Agent,LLC 48_[model] US_Agent_2.911(d)(7)-U, V05

Sincerely, Name/Title： songzhen li/project manager Company: Dongguan Boxinda Electronic Technology Co., LTD Address: Room 302, Building 1, 160 Luyuan Road Tangxia Town, Dongguan City dongguan, Guangdong Province China Phone: 13423908225 Fax: 0755-29744122 E-Mail: [email protected]

Page1of5FCCID: 2A4OE-B-23 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. EUTConstructionalDetails ExternalEUTPhoto Photo1 Photo2 Page2of5FCCID: 2A4OE-B-23 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 Page3of5FCCID: 2A4OE-B-23 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo5 Photo6 Page4of5FCCID: 2A4OE-B-23 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo7 Photo8 Page5of5FCCID: 2A4OE-B-23 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo9 ---TheEnd---

FCCLabel W:15mm L:30mm Foldable3-in-1wirelesscharger ModelName:B-23 FCCID:2A4OE-B-23

Page1of7FCCID: 2A4OE-B-23 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. EUTConstructionalDetails InternalEUTPhoto Photo1 Photo2 Page2of7FCCID: 2A4OE-B-23 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 Page3of7FCCID: 2A4OE-B-23 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo5 Photo6 Page4of7FCCID: 2A4OE-B-23 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo7 Photo8 Earphone Antenna Page5of7FCCID: 2A4OE-B-23 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo9 Photo10 Phone Antenna

Page6of7FCCID: 2A4OE-B-23 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo11 Photo12 Page7of7FCCID: 2A4OE-B-23 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo13 Photo14 ------End------ Watch Antenna

Page 1 of 7 FCCID:2A4OE-B-23 RFExposureEvaluation 1MeasuringStandard KDB680106RFExposureWirelessChargingAppsv03r01 2Requirements Accordingtotheitem5ofKDB680106v03r01: Inductivewirelesspowertransferapplicationsthatmeetallofthefollowingrequirementsareexcludedfrom submittinganRFexposureevaluation. (1)Powertransferfrequencyislessthan1MHz. (2)Outputpowerfromeachprimarycoilislessthanorequalto15watts. (3)Thesystemmayconsistofmorethanonesourceprimarycoils,chargingoneormoreclients.Ifmorethan oneprimarycoilispresent,thecoilpairsmaybepoweredonatthesametime. (4)Clientdeviceisplaceddirectlyincontactwiththetransmitter. (5)Mobileexposureconditionsonly(portableexposureconditionsarenotcoveredbythisexclusion). (6)TheaggregateH-fieldstrengthsanywhereatorbeyond15cmsurroundingthedevice,and20cm awayfromthesurfacefromallcoilsthatbydesigncansimultaneouslytransmit,andwhilethose coilsaresimultaneouslyenergized,aredemonstratedtobelessthan50%oftheapplicableMPE limit. Remark:Meetalltheaboverequirements. Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhumanexposure toradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) Page 2 of 7 FCCID:2A4OE-B-23 3TestSetup 4TestProcedure 1)TheRFexposuretestwasperformedinanechoicchamber. 2)Themeasurementprobewasplacedattestdistance(15cmfromallsidesand20cmfromthetop)whichis betweentheedgeofthechargerandthegeometriccenterofprobe. 3)Thehighestemissionlevelwasrecordedandcomparedwithlimitassoonasmeasurementofeachpoints (A,B,C,D,E)werecompleted. 4)TheEUTwasmeasuredaccordingtothedictatesofKDB680106D01v03. Remark：TheEUT’stestpositionA,B,C,DandEisvalidfortheEandHfieldmeasurements. 5Descriptionofthetestmode Equipmentundertestwasoperatedduringthemeasurementunderthefollowing conditions: Test Mode Description Mode1 ACAdapter+EUT+Mobilephone+Earphone+Watch Record Mode2 ACAdapter+EUT+Mobilephone+Earphone Pre-tested Mode3 ACAdapter+EUT+Mobilephone+Watch Pre-tested Mode4 ACAdapter+EUT+Earphone+Watch Pre-tested Mode5 ACAdapter+EUT+Mobilephone Pre-tested Mode6 ACAdapter+EUT+Earphone Pre-tested Mode7 ACAdapter+EUT+Watch Pre-tested Mode8 TesttheEUTinidlemode. Pre-tested Note:1.Alltestmodeswerepre-tested,butweonlyrecordedtheworstcaseinthisreport. 2.Unfoldedandfoldedmodeweretested,butweonlyrecordedtheworstcase. Page 3 of 7 FCCID:2A4OE-B-23 6PeripheralList 7TestInstrumentslist TestEquipmentManufacturerModelNo.SN. Cal.Date (mm-dd-yy) Cal.Duedate (mm-dd-yy) ElectricandMagnetic FieldAnalyzer NardaEHP-200A180ZX1050521.06.202220.06.2024 8TestResult E-FiledStrengthat15cmfromtheedgessurroundingtheEUT(V/m) UnitTestmodeTest Position A Test Position B Test Position C Test Position D Test Position E 50% Limits (V/m) Limits (V/m) Unfoldedmode Folded Mode V/mTM194.87104.0295.1190.7789.74307614 H-FiledStrengthat15cmfromtheedgessurroundingtheEUT(A/m) UnitTestmodeTest Position A Test Position B Test Position C Test Position D Test Position E 50% Limits (A/m) Limits (A/m) Unfoldedmode Folded Mode A/mTM10.2530.2000.2130.1710.2060.8151.63 N o. EquipmentManufacturerModelNo. Serial No. Powercordsignalcable 1AdapterHNTHNT-QC530N/AN/AN/A 2 Mobile lphone XIAOMIMI11N/AN/AN/A 3EarphonePocBudsK6N/AN/AN/A 4WatchAppleS6N/AN/AN/A Page 4 of 7 FCCID:2A4OE-B-23 H-FiledStrengthat20cmfromthetopoftheEUT(A/m) UnitTestmodeTest PositionE 50%Limits (A/m) Limits (A/m) FoldedMode A/mTM10.1970.8151.63 Note:Alltestmodeswerepre-tested,butweonlyrecordedtheworstcaseinthisreport. Page 5 of 7 FCCID:2A4OE-B-23 9TestSetupphoto TestPositionA-15cmfromtheedgeofEUTtothegeometriccenteroftheprobe TestPositionB-15cmfromtheedgeofEUTtothegeometriccenteroftheprobe Page 6 of 7 FCCID:2A4OE-B-23 TestPositionC-15cmfromtheedgeofEUTtothegeometriccenteroftheprobe TestPositionD-15cmfromtheedgeofEUTtothegeometriccenteroftheprobe Page 7 of 7 FCCID:2A4OE-B-23 TestPositionE-15cmfromtheedgeofEUTtothegeometriccenteroftheprobe TestPositionE-20cmfromtheedgeofEUTtothegeometriccenteroftheprobe ***Endofreport***

Page 1 of 26 Report No.: AIT23091107FW1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling Third Street, Jitigang, Huangjiang,Dongguan, Guangdong, China. FCC TEST REPORT Client Information: Applicant: Dongguan Boxinda Electronic Technology Co., LTD Applicant add.: Room 302, Building 1, 160 Luyuan Road, Tangxia Town, Dongguan City, Guangdong Province China Manufacturer: Dongguan Boxinda Electronic Technology Co., LTD Manufacturer add.: Room 302, Building 1, 160 Luyuan Road, Tangxia Town, Dongguan City, Guangdong Province China Product Information: Product Name: Foldable 3-in-1 wireless charger Model No.: B-23 Brand Name: N/A FCC ID: 2A4OE-B-23 Applicable standards: FCC CFR Title 47 Part 15 Subpart C Prepared By: Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang,Dongguan, Guangdong, China Tel.: +86-769-8202 0499 Fax.: +86-769-8202 0495 Date of Receipt: Sep. 11, 2023 Date of Test: Sep. 11, 2023~ Sep. 13, 2023 Date of Issue: Sep. 14, 2023 Test Result: Pass This device described above has been tested by Dongguan Yaxu (AiT) Technology Limited and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. Note: This report shall not be reproduced except in full, without the written approval of Dongguan Yaxu (AiT) Technology Limited, this document may be altered or revised by Dongguan Yaxu (AiT) Technology Limited, personal only, and shall be noted in the revision of the document. This test report must not be used by the client to claim product endorsement. Reviewed by: Approved by: Simba Huang Seal.chen Page 2 of 26 Report No.: AIT23091107FW1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling Third Street, Jitigang, Huangjiang,Dongguan, Guangdong, China. 1 Contents Page COVER PAGE 1 CONTENTS ........................................................................................................................................................... 2 2 TEST SUMMARY .................................................................................................................................................. 5 2.1 STATEMENT OF THE MEASUREMENT UNCERTAINTY ............................................................................................. 5 2.2 MEASUREMENT UNCERTAINTY ............................................................................................................................ 5 3 TEST FACILITY ..................................................................................................................................................... 6 3.1 DEVIATION FROM STANDARD ............................................................................................................................... 6 3.2 ABNORMALITIES FROM STANDARD CONDITIONS .................................................................................................... 6 3.3 TEST LOCATION ................................................................................................................................................. 6 4 GENERAL INFORMATION ................................................................................................................................... 7 4.1 EUT TEST MODE ............................................................................................................................................... 8 4.2 DESCRIPTION OF TEST SETUP............................................................................................................................. 8 4.3 PERIPHERAL LIST ............................................................................................................................................... 9 4.4 EUT PERIPHERAL LIST ....................................................................................................................................... 9 5 EQUIPMENTS LIST FOR ALL TEST ITEMS ..................................................................................................... 10 6 CONDUCTED EMISSION TEST ......................................................................................................................... 11 6.1 CONDUCTED EMISSION MEASUREMENT ................................................................................................ 11 6.2 POWER LINE CONDUCTED EMISSION LIMITS ........................................................................................... 11 6.3 TEST PROCEDURE ...................................................................................................................................... 11 6.4 DEVIATION FROM TEST STANDARD ......................................................................................................... 11 6.5 TEST SETUP ................................................................................................................................................. 12 6.6 EUT OPERATING CONDITIONS .................................................................................................................. 12 6.7 TEST RESULT .................................................................................................................................................. 13 7 RADIATED EMISSION MEASUREMENT .......................................................................................................... 15 7.1 RADIATED EMISSION LIMITS .............................................................................................................................. 15 7.2 ANECHOIC CHAMBER TEST SETUP DIAGRAM ..................................................................................................... 16 7.3 TEST PROCEDURE ........................................................................................................................................... 16 7.4 DEVIATION FROM TEST STANDARD .........................................................................…

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深圳市瑞通千业科技有限公司 客户/Ciient 名称/TYPEA11-6.3UH超薄无线充发射线圈 产品型号 ModelNO单线圈G43.5*0.8双槽有孔30长背胶 产品编号 Partnunberingsystey 客户料号 Cientp/NO 工程编号 EnginrerNO 日期 /Date2022 年 12 月 22 日 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 深圳市瑞通千业科技有限公司 一、线圈工艺/WindingProcese: NO 绕组线规匝数绕线方向备注 1N12UEW-B-0.08*10512TSCCW 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）=3.8uH±20% 1.12L0A(线圈+磁片)=6.5uH±10% 1.2Q值=50MIN 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:创达1068+1310;DCR:502BC;SIZE:Callipers 3.材料清单 N O 项目材料 1WIRE￠ 0.08*24*2p2UEW- 2FERRITE 43.5*5.3*0.8L型双槽有孔铁氧体硬磁背面双面胶 3GLUE水性白胶 4SOLDERHQ-996/JS-996 5Tin千岛纯锡 6 High temperature adhesive 8MM 高温胶带 7 8 深圳市瑞通千业科技有限公司 三．电路图/CIRCUITDIAGRAM 单位：MM 四．外形图 /OUTSIDEDIAGRA 注：线圈出线位置缠绕 8MM （ ref ）高温胶纸，磁片背面贴双面背胶。 标准ABCDEFG STD 43.5 ±0.539.5± 0.5 13.9± 0.35.3 ± 0.530 ±2 3 ±1 2.2 ±0.3 单位：MM 深圳市瑞通千业科技有限公司 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 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 客户/Ciient 名称/TYPEA11-6.3UH超薄无线充发射线圈 产品型号 ModelNO单线圈G43.5*0.8双槽有孔200长背胶 产品编号 Partnunberingsystey 客户料号 Cientp/NO 工程编号 EnginrerNO 日期 /Date2022 年 12 月 22 日 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 深圳市瑞通千业科技有限公司 一、线圈工艺/WindingProcese: NO 绕组线规匝数绕线方向备注 1N12UEW-B-0.08*10512TSCCW 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）=3.8uH±20% 1.12L0A(线圈+磁片)=6.5uH±10% 1.2Q值=50MIN 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:创达1068+1310;DCR:502BC;SIZE:Callipers 3.材料清单 N O 项目材料 1WIRE￠ 0.08*24*2p2UEW- 2FERRITE 43.5*5.3*0.8L型双槽有孔铁氧体硬磁背面双面胶 3GLUE水性白胶 4SOLDERHQ-996/JS-996 5Tin千岛纯锡 6 High temperature adhesive 8MM 高温胶带 7 8 深圳市瑞通千业科技有限公司 三．电路图/CIRCUITDIAGRAM 单位：MM 四．外形图 /OUTSIDEDIAGRA 注：线圈出线位置缠绕 8MM （ ref ）高温胶纸，磁片背面贴双面背胶。 标准ABCDEFG STD 43.5 ±0.539.5± 0.5 13.9± 0.35.3 ± 0.5200 ±2 3 ±1 2.2 ±0.3 单位：MM 深圳市瑞通千业科技有限公司 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 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%.

MomaxTechnology(HK)Ltd UnitA,4/F,CheungLungIndustrialBuilding,10CheungYeeStreet,LaiChi Kok,Kowloon,HongKong 1.AntennaDescription: 2.AntennaPhoto Antenna type: loop coil Antenna Manufacturer: iMX Electronic (Shenzhen) Co.,LTD Model:B-22 antenna Antenna Gain(Peak): 0 dBi Frequency range:300kHz-350kHz : 45mm

Page 1 of 2 FCC ID: 2A4OE-B-23 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Test Setup Photo Radiated Emission Page 2 of 2 FCC ID: 2A4OE-B-23 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Conducted Emission ------End------