2BU8X-E300PROMultifunctional Bluetooth Speaker

FCC Caution: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception,which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. To maintain compliance with FCCs RF Exposure guidelines, This equipment should be installed and operated with minimum distance between 20cm the radiator your body: Use only the supplied antenna.

LocalRepresentativeLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(7),oftheCommission’sRules(47C.F.R.)weattestasfollowsfor theproductlistedbelow: FCCIDModelname 2BU8X-E300PROE300Pro Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementwithoutexpirationdate US-AmericanPointofContactApplicant/ApprovalHolder SignatureSignature CompanyName:LOBOSIOWAINCShenzhenBopaiImpression IndustrialDesignCo.,Ltd. FRN:00364139610038166641 ContactName:HarleyLiWeiGao Address:4623BittercreekDrColorado SpringsCO80922US 3rdFloor,BuildingA,Baiwangda IntelligentPark,No.11Shibei Road,YangmeiCommunity, BantianStreet,LonggangDistrict, ShenzhenCity,China Phone:+18188180538-- Email:[email protected]@qq.com

CoveredEquipmentCertificationAttestationLetter 2026-5-18 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2BU8X-E300PRO ShenzhenBopaiImpressionIndustrialDesignCo.,Ltd.(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibitedfrom receivinganequipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. ShenzhenBopaiImpressionIndustrialDesignCo.,Ltd.(“theapplicant”)certifiesthat,as ofthedateofthefilingoftheapplication,theapplicantisnotidentifiedontheCovered Listasanentityproducing“covered”equipment. ShenzhenBopaiImpressionIndustrialDesignCo.,Ltd.(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtdoesnotincludecybersecurityoranti-virus softwareproducedorprovidedbyKasperskyLab,Inc.oranyofitssuccessorsand assignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofits successorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886 andKDB986446D01 CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:WeiGao Title:CEO CompanyName:ShenzhenBopaiImpressionIndustrialDesignCo.,Ltd. Date:2026-5-18

2026-5-18 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeShenzhenBangceTestingTechnologyCo.,Ltd.toacton ourbehalfinallmattersrelatingtoapplicationforequipmentauthorization,includingthesigningofall documentsrelatingtothesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothedenialof benefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21 U.S.C.853(a). Sincerely, Name:WeiGao Title:CEO Company:ShenzhenBopaiImpressionIndustrialDesignCo.,Ltd.

2026-5-18 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:2BU8X-E300PRO ProductName:MultifunctionalBluetoothSpeaker RequestforConfidentiality PursuanttoSections0.457and0.459ofthecommission’srules,weherebyrequestthat thefollowingdocumentsbeheldconfidential: (Listherethedocumentsforwhichyouareseekingconfidentiality–forexample...) Schematics Blockdiagram  Operationdescription Thesematerialscontaintradesecretsandproprietaryinformationandarenot customarilyreleasedtothepublic.Thepublicdisclosureofthisinformationmightbe harmfultothecompanyandprovideunjustifiedbenefitstoourcompetitors. Name:WeiGao Title:CEO Company:ShenzhenBopaiImpressionIndustrialDesignCo.,Ltd.

ReportNo.:CISRR26031310101 Page 60 of 64 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR26031310101 Page 61 of 64

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ReportNo.:CISRR26031310101 Page 62 of 64 9.2.InternalPhotos CoilANT ReportNo.:CISRR26031310101 Page 63 of 64 BTANT ReportNo.:CISRR26031310101 Page 64 of 64 ------Endofthereport-----

ReportNo.:CISRR26031310105 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of14 TESTREPORT ReportNo.CISRR26031310105 ProjectNo.CISR260313101 FCCID2BU8X-E300PRO ApplicantShenzhenBopaiImpressionIndustrialDesignCo.,Ltd. Address 3rdFloor,BuildingA,BaiwangdaIntelligentPark,No.11ShibeiRoad, YangmeiCommunity,BantianStreet,LonggangDistrict,ShenzhenCity ManufacturerShenzhenYiqizaoTechnologyCo.,Ltd. Address Room310-311,3rdFloor,BuildingA,BaiwangdaIntelligentPark,No.11 ShibeiRoad,YangmeiCommunity,BantianStreet,LonggangDistrict, ShenzhenCity ProductNameMultifunctionalBluetoothSpeaker Trademark- Model/TypereferenceE300Pro ListedModel(s)- Standard FCCKDBpublication680106D01WirelessPowerTransferv04 FCCCFR47part11.1310 FCCCFR47part22.1091 TestdateMarch16,2026toMay14,2026 IssuedateMay14,2026 TestresultComplied Reviewedby:MorganTan Approvedby:HansHu ReportNo.:CISRR26031310105 Page 2 of 14 Contents 1.REPORTVERSION..........................................................................................................................................3 2.TESTDESCRIPTION.......................................................................................................................................4 3.SUMMARY........................................................................................................................................................5 3.1.ProductDescription*..................................................................................................................................5 3.2.RadioSpecificationDescription*..............................................................................................................5 3.3.ModificationofEUT.....................................................................................................................................5 3.4.Deviationfromstandards...........................................................................................................................5 3.5.TestingSite...................................................................................................................................................5 4.TESTCONFIGURATION.................................................................................................................................6 4.1.Descriptionsoftestmode...........................................................................................................................6 4.2.Supportunitusedintestconfiguration....................................................................................................6 4.3.Testsampleinformation.............................................................................................................................6 4.4.Environmentalconditions...........................................................................................................................6 4.5.Statementofthemeasurementuncertainty.............................................................................................7 4.6.EquipmentUsedduringtheTest................................................................................................................7 5.TESTRESULTS...............................................................................................................................................8 5.1.Reference......................................................................................................................................................8 5.2.Limit...............................................................................................................................................................8 5.3.RFExposureevaluationforWPT...............................................................................................................9 5.3.1.TestSetupDiagram..................................................................................................................................9 5.3.2.MeasurementProcedure..........................................................................................................................9 5.3.3.EquipmentApprovalConsiderations...................................................................................................10 5.3.4.TestResult...............................................................................................................................................11 5.3.5.TestSetupPhotos..................................................................................................................................12 5.4.RFExposureevaluationforsimultaneoustransmission......................................................................14 ReportNo.:CISRR26031310105 Page 3 of 14 1.REPORTVERSION VersionNo.IssuedateDescription 00May14,2026Original ReportNo.:CISRR26031310105 Page 4 of 14 2.TESTDESCRIPTION No.TestItemStandardRequirementResult 1FieldStrength FCCKDBpublication680106 D01WirelessPowerTransfer v04 FCCCFR47part11.1310 FCCCFR47part22.1091 Pass Note: ‒Themeasurementuncertaintyisnotincludedinthetestresult. ReportNo.:CISRR26031310105 Page 5 of 14 3.SUMMARY 3.1.ProductDescription* Mainunitinformation: ProductName:MultifunctionalBluetoothSpeaker Trademark:- ModelNo.:E300Pro ListedModel(s):- Modeldifference:- Powersupply: Input:DC9VforUSB-C WirelessOutput:5W/7.5W/10W/15W(MAX) Hardwareversion:- Softwareversion:- Accessoryunit(AU)information: AU-1DC7.4VforBattery 3.2.RadioSpecificationDescription* Technology:WirelessCharging Modulation:ASK Operationfrequency:110.5kHz~205kHz Antennatype: Coilantenna Antennagain: 0dBi 3.3.ModificationofEUT NomodificationsaremadetotheEUTduringalltestitems. 3.4.Deviationfromstandards None 3.5.TestingSite LaboratoryNameShenzhenBangceTestingTechnologyCo.,Ltd. LaboratoryLocation 101,building10,YunliIntelligentPark,Shutianpucommunity,Matian Street,GuangmingDistrict,Shenzhen，Guangdong,China Contacti…

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ReportNo.:CISRR26031310103 Page:1of21 TESTREPORT ReportNo.CISRR26031310103 ProjectNo.CISR260313101 FCCID2BU8X-E300PRO ApplicantShenzhenBopaiImpressionIndustrialDesignCo.,Ltd. Address 3rdFloor,BuildingA,BaiwangdaIntelligentPark,No.11ShibeiRoad, YangmeiCommunity,BantianStreet,LonggangDistrict,ShenzhenCity ManufacturerShenzhenYiqizaoTechnologyCo.,Ltd. Address Room310-311,3rdFloor,BuildingA,BaiwangdaIntelligentPark,No.11 ShibeiRoad,YangmeiCommunity,BantianStreet,LonggangDistrict, ShenzhenCity ProductNameMultifunctionalBluetoothSpeaker Trademark- Model/TypereferenceE300Pro ListedModel(s)- Standard 47CFRPart15.225 DateofsamplereceiptMarch16,2026 TestdateMarch16,2026toMay14,2026 IssuedateMay14,2026 TestresultComplied Reviewedby:MorganTan Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. ReportNo.:CISRR26031310103 Page:2of21 Contents 1.REPORTVERSION.........................................................................................................................................3 2.SUMMARYOFTESTRESULT.......................................................................................................................4 3.SUMMARY.....................................................................................................................................................5 3.1.ProductDescription....................................................................................................................................5 3.2.RadioSpecificationDescription................................................................................................................5 3.3.ModificationofEUT.....................................................................................................................................6 3.4.TestingSite...................................................................................................................................................6 4.TESTCONFIGURATION.............................................................................................................................7 4.1.Testmode.....................................................................................................................................................7 4.2.Supportunitusedintestconfigurationandsystem...............................................................................7 4.3.Testsampleinformation.............................................................................................................................7 4.4.Testingenvironmentalcondition...............................................................................................................8 4.5.Statementofthemeasurementuncertainty.............................................................................................8 4.6.EquipmentUsedduringtheTest...............................................................................................................9 5.TESTCONDITIONSANDRESULTS....................................................................................................11 5.1.ACConductedEmission...........................................................................................................................11 5.2.20dBBandwidth........................................................................................................................................14 5.3.RadiatedSpuriousEmission....................................................................................................................16 ReportNo.:CISRR26031310103 Page:3of21 1.REPORTVERSION VersionNo.IssuedateDescription 00May14,2026Original ReportNo.:CISRR26031310103 Page:4of21 2.SUMMARYOFTESTRESULT Report clause TestItemStandardRequirementResult 5.2ACConductedEmission15.207PASS 5.420dBBandwidth15.215PASS 5.13RadiatedSpuriousEmission15.209PASS Note: ‒Themeasurementuncertaintyisnotincludedinthetestresult. ReportNo.:CISRR26031310103 Page:5of21 3.SUMMARY 3.1.ProductDescription Mainunitinformation: ProductName:MultifunctionalBluetoothSpeaker Trademark:- ModelNo.:E300Pro ListedModel(s):- Modeldifference:- Powersupply: Input:DC9VforUSB-C WirelessOutput:5W/7.5W/10W/15W(MAX) Hardwareversion:- Softwareversion:- Accessoryunit(AU)information: AU-1DC7.4VforLithiumbattery 3.2.RadioSpecificationDescription Technology:WirelessCharging Modulation:ASK Operationfrequency:110.5kHz~205kHz Antennatype: Coilantenna Antennagain: 0dBi ReportNo.:CISRR26031310103 Page:6of21 3.3.ModificationofEUT NomodificationsaremadetotheEUTduringalltestitems. 3.4.TestingSite LaboratoryName ShenzhenBangceTestingTechnologyCo.,Ltd. LaboratoryLocation 101,building10,YunliIntelligentPark,Shutianpucommunity,MatianStreet, GuangmingDistrict,Shenzhen，Guangdong,China FCCregistrationnumber736346 ReportNo.:CISRR26031310103 Page:7of21 4.TESTCONFIGURATION 4.1.Testmode TestMode: Mode1 AC/DCAdapter+EUT(5W)+phone(BatteryStatus:<1%) Mode2 AC/DCAdapter+EUT(5W)+phone(BatteryStatus:<50%) Mode3 AC/DCAdapter+EUT(5W)+phone(BatteryStatus:<99%) Mode4 AC/DCAdapter+EUT(7.5W)+phone(BatteryStatus:<1%) Mode5 AC/DCAdapter+EUT(7.5W)+phone(BatteryStatus:<50%) Mode6 AC/DCAdapter+EUT(7.5W)+phone(BatteryStatus:<99%) Mode7 AC/DCAdapter+EUT(10W)+phone(BatteryStatus:<1%) Mode8 AC/DCAdapter+EUT(10W)+phone(BatteryStatus:<50%) Mode9 AC/DCAdapter+EUT(10W)+phone(BatteryStatus:<99%) Mode10 AC/DCAdapter+EUT(15W)+phone(BatteryStatus:<1%) Mode11 AC/DCAdapter+EUT(15W)+phone(BatteryStatus:<50%) Mode12 AC/DCAdapter+EUT(15W)+phone(BatteryStatus:<99%) Remark: ‒Alltestmodeswerepre-tested,butweonlyrecordedtheworstcaseinthisreport. 4.2.Supportunitusedintestconfigurationandsystem TheEUThasbeenassociatedwithperipheralsandconfigurationoperatedinamannertendedtomaximizeits emissioncharacteristicsinatypicalapplication. Thefollowingperipheraldevicesandinterfacecableswereconnectedduringthemeasurement: ItemEquipmentnameTradeNameModelNo. 1Adapter GuangdongSang…

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Product Specifications sheet Specification No.202605018001 Effective date2026/5/18 Customer Name:yi qi zao Product ModelE300 coil/outline length: 130 mm DZ Part No. TX-DZ43.505.300.8-K6.3--L130（double-slotting） Customer item No B.10.21060076-00 【 □ New issue , □ version revision】 【 This specification includes contents and 4 pages in total 】 【 RoHS Compliant Parts 】 organizeCheckApproval Li ping hui / Ma xiangping Guang Dong Top Wiser Electronic Technology Co., Ltd Factory address:Address; 1F, 1231 Yingbin Avenue, Longmen County , Huizhou City, Guangdong Province Tel: 13147097490 【Within 30 days after the customer receives this acknowledgement, please return it with your signature and seal. If it is overdue, it will be deemed that the production will be carried out according to the standards of this acknowledgement】. 【customer approval】 Date: Recognition status: □ full recognition □ conditional recognition □ refusal Approval Review Recheck Check remark: √ √ Product Specifications sheet Customer Name:yi qi zao item B.10.21060076-00 DZ Part No. TX-DZ43.505.300.8-K6.3--L130 （ double-slotting ）Specification No. 20250905001 Issue/Revision History VersionEffective dateChange content / reasonApproval 012026/5/18 New specification releaseMa XiangPing organizecheckapproval Li ping hui / Ma XiangPing Product Specifications sheet Customer Name: yi qi zao Customer item No B.10.21060076-00 DZ Part No TX-DZ43.505.300.8-K6.3--L130 （ double-slotting ） Specification No 202608018001 Version 01 ♦、Overall dimensions (unit: mm) A5.3 ±0.5 B20.5 ±1.5 C41.5 ±1.5 D43.5 ±1.0 E43.5 ±.1.0 F130.0 ±2.0 G3.0 ±2.0 H2.3 ±0.3 I0.80 ±0.2(Magnetic sheet thickness) (1)Wire diameter: 0.08*105P enameled wire (2)Number of windings: 10TS (3)Whether the starting and ending lines cross: Yes (4) Coil package 4mm high-temperature adhesive tape (5) Move the lead wire to the left (6) Magnetic disc back round white adhesive ♦、Electrical characteristics:: parameterspecificationTest conditionsTest instrument L06.3±10%μH100KHz/1V■TH1816B Q>60 min100KHz/1V■TH1816B DCR<40mΩ@ 25°C■CH-502BC ♦、Temperature class: Operating temperatur -40 °C ~ 125 °C ♦、list of materials: Item Product NameMaterial specificationSupplierRemark 1 Magnetic sheet 43.5*5.3*0.8T开双槽（double- slotting） PC40 2 Copper wire0.08*105Penameled wire 3 tin107HROHS 4 High- temperature 4mmROHS 5 GelRound White GlueROHS organizecheckapproval Lipinghui/Ma Xiangping

ReportNo.:CISRR26031310103 Page:22of24 6.TESTSETUPPHOTOS ConductedEmissionatACpowerline Emissionsinfrequencybands(below30MHz) ReportNo.:CISRR26031310103 Page:23of24 Emissionsinfrequencybands(30M-1GHz)