2BUXD-SW122Wireless Boombox Speaker

INWINC CoveredEquipmentCertificationAttestationLetter 03/26/2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2BUXD-SW122 INWINC(“theapplicant”)certifiesthattheequipmentforwhichauthorizationissoughtis not“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuant tosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. INWINC(“theapplicant”)certifiesthat,asofthedateofthefilingoftheapplication,the applicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofits subsidiariesoraffiliates)asanentityproducing“covered”equipment. INWINC(“theapplicant”)certifiesthattheequipmentforwhichauthorizationissought doesnotincludecybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwith integratedKasperskyLab,Inc.(oranyofitssuccessorsandassignees)cybersecurityor anti-virussoftwarepursuanttoDA-24-886andKDB986446D01CoveredEquipment GuidancesectionB(2a). Signed: Printedname:KhalidAldajani Title:President CompanyName:INWINC Date:03/26/2026

INWINC * theapplicantmustdesignateacontactlocatedintheUnitedStatesforpurposesofactingasthe applicant’sagentforserviceofprocess,regardlessofwhethertheapplicantisadomesticorforeign entity.AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforserviceofprocess. U.S.AgentDesignationforServiceofProcess- CertificationAttestationLetter 03/26/2026 TO:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 ATTN.:ReviewingEngineer FCCID:2BUXD-SW122 FRNofapplicant:0037859881 Persection2.911(d)(7)oftheFCCrules,[INWINC](“theapplicant”)certifiesthattheequipment forwhichauthorizationissoughtisdesignatedtothefollowingU.S.agent*forserviceof process: CompanyName:INWINC FCCRegistrationNumber(FRN):0037859881 PhysicalU.S.CompanyAddress:5700StoneridgeMallRoad,Suite160,Pleasanton,California, UnitedStates94588 ContactPerson:KhalidAldajani AgentEmailAddress:[email protected] Theabovecontactpersonacceptstheobligationforserviceofprocess. Theapplicantacceptstomaintainanagentfornolessthanoneyearafterthegranteehas terminatedallmarketingandimportationortheconclusionofanyCommission-related proceedinginvolvingtheequipment. ApplicantSigned:AgentSigned(ifdifferentfromApplicant): Signed: Printedname:KhalidAldajani Title:President CompanyName:INWINC Date:03/26/2026 Signed: Printedname:KhalidAldajani Title:President CompanyName:INWINC Date:03/26/2026

DATE:03/26/2026 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:2BUXD-SW122 ProductName:WirelessBoomboxSpeaker RequestforShort-TermConfidentiality PursuanttoSections0.457and0.459ofthecommissionrules,andinaccordancewiththeFCCPublicnotice datedJune15,2004(DA04-1705),weherebyrequestshort-termconfidentialityforthefollowingitemspriorto marketingthedevice.: TestSetupPhotos ExternalPhotos InternalPhotos UserManual Theapplicantrequeststheexhibitsselectedaboveasshorttermconfidentialbewithheldfrompublicview foraperiodof180daysfromthedateoftheGrantofEquipmentAuthorizationandpriortomarketing.This istoavoidprematurereleaseofsensitiveinformationpriortomarketingorreleaseoftheproducttothe public. Signed: Printedname:KhalidAldajani Title:President CompanyName:INWINC Date:03/26/2026

DATE:03/26/2026 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 AuthoritytoActasAgent Onourbehalf,IappointShenzhenEUTestingLaboratoryLimited (101,BuildingB1,FuqiaoFourthArea,QiaotouCommunityFuhaiSubdistrictBaoan District,Shenzhen,China)(NameofAgentcompanynameandaddress)toactasour agentinthepreparationofthisapplicationforequipmentcertification.Icertifythat submitteddocumentsproperlydescribethedeviceorsystemforwhichequipment certificationissought.Ialsocertifythateachunitmanufactured,importedormarketed,as definedintheFederalCommunicationsCommission’sregulationswillhaveaffixedtoita labelidenticaltothatsubmittedforapprovalwiththisapplication. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonour behalf,Iacknowledgethatallresponsibilityforcomplyingwiththetermsandconditions forcertification,stillresideswithINWINC(5700StoneridgeMallRoad,Suite160, Pleasanton,California,UnitedStates94588)(ApplicantNameandaddress) Signed: Printedname:KhalidAldajani Title:President CompanyName:INWINC Date:03/26/2026

Date03/26/2026 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeComplianceTesting,LLCtoactonourbehalfinallmatters relatingtoapplicationforequipmentauthorization,includingthesigningofalldocumentsrelatingto thesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothedenialof benefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21 U.S.C.853(a). Sincerely, Signed: Printedname:KhalidAldajani Title:President CompanyName:INWINC Date:03/26/2026

DATE03/26/2026 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:___2BUXD-SW122______ ProductName:___WirelessBoomboxSpeaker___ RequestforConfidentiality PursuanttoSections0.457and0.459ofthecommission’srules,weherebyrequestthat thefollowingdocumentsbeheldconfidential: (Listherethedocumentsforwhichyouareseekingconfidentiality–forexample...)  Schematics Blockdiagram Operationdescription Thesematerialscontaintradesecretsandproprietaryinformationandarenot customarilyreleasedtothepublic.Thepublicdisclosureofthisinformationmightbe harmfultothecompanyandprovideunjustifiedbenefitstoourcompetitors. Signed: Printedname:KhalidAldajani Title:President CompanyName:INWINC Date:03/26/2026

LabelLocation Label Size:30*35mm ProductName:WirelessBoomboxSpeaker ModelNo.:SW122 FCCID:2BUXD-SW122

RFEXPOSUREEVALUATION FCCID:2BUXD-SW122 AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) RadiationasspecifiedinKDB447498D01: RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. BT: Channel (MHz) Maximum outputpower (dBm) Tuneup tolerance (dBm) MaxTune UpPower (dBm) Distance (mm) Calculation results Limit Operating Mode 2402-2.28 -2.28±1 -1.2850.2313 BT 2441-2.59-2.59±1-1.5950.2173 2480-1.92-1.92±1-0.9250.2553 24020.33 0.33±1 1.3350.4213 24410.030.03±11.0350.3963 24800.660.66±11.6650.4623 24020.75 0.75±1 1.7550.4643 24410.360.36±11.3650.4273 24801.001.00±12.0050.4993 TestResults:PASS.

TESTREPORT ReportNo.:8427EU120906W Applicant:INW INC Address:5700StoneridgeMall Road,Suite160, Pleasanton, California,UnitedStates94588 ProductName:WirelessBoomboxSpeaker ModelNo.:SW122 Trademark:N/A FCC ID:2BUXD-SW122 Test Standard(s):47 CFRPart 15.247 Test Result:Pass Dateof Receipt:Jan. 09, 2026 Test Date:Jan. 12, 2026- Jan. 26, 2026 Dateof Issue:Mar. 25, 2026 ISSUEDBY: SHENZHENEU TESTINGLABORATORYLIMITED Preparedby:Reviewedand Approvedby: LandonQiu/ EngineerSallyZhang/Manager Page2 of 116ReportNo.: 8427EU120906W TRF Version:A01 RevisionRecord ReportVersionIssuedDateDescriptionStatus V0Mar. 25, 2026OriginalValid Page3 of 116ReportNo.: 8427EU120906W TRF Version:A01 Tableof Contents 1COVERPAGE...................................................................................................................................................1 2GENERALINFORMATION........................................................................................................................5 2.1APPLICANTINFORMATION...................................................................................................................5 2.2MANUFACTURERINFORMATION...........................................................................................................5 2.3FACTORYINFORMATION......................................................................................................................5 2.4GENERALDESCRIPTIONOFE.U.T......................................................................................................5 2.5TECHNICALINFORMATIONOFE.U.T....................................................................................................6 3TESTSUMMARY.......................................................................................................................................7 3.1TESTSTANDARD................................................................................................................................7 3.2TESTVERDICT...................................................................................................................................7 3.3TESTLABORATORY............................................................................................................................8 4TESTCONFIGURATION...........................................................................................................................9 4.1TESTENVIRONMENT...........................................................................................................................9 4.2TESTEQUIPMENT...............................................................................................................................9 4.3DESCRIPTIONOFSUPPORTUNIT......................................................................................................11 4.4TESTMODE.....................................................................................................................................11 4.5DESCRIPTIONOFCALCULATION........................................................................................................11 4.5.1FieldStrengthCalculation..................................................................................................11 4.5.2DisturbanceCalculation.....................................................................................................11 4.6MEASUREMENTUNCERTAINTY..........................................................................................................11 4.7DEVIATIONFROMSTANDARDS..........................................................................................................12 4.8ABNORMALITIESFROMSTANDARDCONDITION..................................................................................12 5EVALUATIONRESULTS(EVALUATION)..............................................................................................13 5.1ANTENNAREQUIREMENT..................................................................................................................13 5.1.1Test Specification...............................................................................................................13 5.1.2Test Data ............................................................................................................................13 6RADIOSPECTRUMMATTERTESTRESULTS(RF) ............................................................................14 6.1CONDUCTEDEMISSIONATACPOWERLINE......................................................................................14 6.1.1Test Specification...............................................................................................................14 6.1.2E.U.T.Operation.................................................................................................................14 6.1.3Test SetupDiagram...........................................................................................................14 6.1.4Test Data ............................................................................................................................14 6.220DB BANDWIDTH...........................................................................................................................17 6.2.1Test Specification...............................................................................................................17 6.2.2E.U.T.Operation.................................................................................................................17 6.2.3Test SetupDiagram...........................................................................................................18 6.2.4Test Data ............................................................................................................................18 6.3MAXIMUMCONDUCTEDOUTPUTPOWER...........................................................................................19 6.3.1Test Specification...................................................................................…

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Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT HorizontalVertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.73-0.84-0.68-6.15-3.70-2.32 MAX. Gain -0.68dB PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 3 8.88mm Manufacture Sh enzhen Yuhao Senda Technology Co., LTD Antenna Photo & Leng th (mm) Adress: Company address:3rd Floor, Building 4,Xiyuantong Industrial Park, Zikeng Village,Shiyan Street, Bao'an District, Shenzhen City, Guangdong Province,China. Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(d B) Frequency (MHz) MaxMinAvg 2400 -1.73178-30.0815-8.48713 2450 -0.845801-38.5605-7.88012 2500 -0.685586-24.0318-6.79139 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain (dB) Frequency (MHz) MaxMinAvg 2400 -6.1530-24.1420-13.0295 2450 -3.7054 -2 6.5836 -10.6700 2500 -2.32122-30.4301-9 .70536 ANT Test Labs：Attestation of Global Compliance Co., Ltd.