2BUSB-V1Helmet Bluetooth Headset

Rev1/26/2023 (NingboMoHaoIntelligentTechnologyCo.,Ltd.) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2/24/2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BUSB-V1 [NingboMoHaoIntelligentTechnologyCo.,Ltd.]certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. [NingboMoHaoIntelligentTechnologyCo.,Ltd.]certifiesthattheequipmentforwhichauthorizationis soughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc. oranyofitssuccessorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyof itssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB 986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, ZhongliQiu/Manager Rev1/26/2023 (NingboMoHaoIntelligentTechnologyCo.,Ltd.) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2/24/2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BUSB-V1 [NingboMoHaoIntelligentTechnologyCo.,Ltd.]certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofits subsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname)ZhongliQiu/Manager

Antenna Specification Summary Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.27 -0.76 -0.59 -5.26 -2.47 -1.86 MAX. Gain -0.59dB Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Phase 1, Zone 3, Xinhe Community, Xinxing Industrial Zone, Fuhai Street, Bao'an District, Shenzhen Antenna Type PCB Antenna Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.27074 -30.1901 -7.18705 2450 -0.765792 -36.5604 -7.48022 2500 -0.590582 -22.0315 -6.68927 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2541 -22.1505 -12.4189 2450 -2.4652 -24.5537 -10.4801 2500 -1.86120 -29.5214 -9.20322

NingboMoHaoIntelligentTechnologyCo.,Ltd. ‘Date：2026-2-24 ProductModelNumber:V1 FCCID:2BUSB-V1 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:ZhongliQiu/Manager Email:[email protected] Telephone:86-19129436944 Onbehalfof:NingboMoHaoIntelligentTechnologyCo.,Ltd.

NingboMoHaoIntelligentTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:February24,2026 Subject;RequestforConfidentiality FCCID:2BUSB-V1 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:ZhongliQiu Title:Manager

AnnexA ExternalPhotos TestModelNo.:V1 Page 1 of3 AnnexA ExternalPhotos TestModelNo.:V1 Page 2 of3 AnnexA ExternalPhotos TestModelNo.:V1 Page 3 of3

Size:20*10mm HelmetBluetoothHeadset ModelNo.:V1 FCCID:2BUSB-V1

AnnexB InternalPhotos TestModelNo.:V1 Page 1 of7 AnnexB InternalPhotos TestModelNo.:V1 Page 2 of7 PCBantenna AnnexB InternalPhotos TestModelNo.:V1 Page 3 of7

MAXTestingCo.,Ltd.ReportNo.:MAX26010185P01-R01RF RFTESTREPORT ReportReferenceNo. ....................... :MAX26010185P01-R01RF FCCID.................................................:2BUSB-V1 Compiledby (position+printedname+signature)..: Engineer/CindyZheng Supervisedby (position+printedname+signature)..: Manager/HaleyWen Approvedby (position+printedname+signature)..: RFManager/VivianJiang Dateofissue ......................................... :February28,2026 TestingLaboratoryName................: MAXLABTestingCo.,Ltd. Address ................................................. : 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict, Shenzhen,Guangdong,518052,People’sRepublicofChina Applicant’sname...............................: NingboMoHaoIntelligentTechnologyCo.,Ltd. Address.................................................: Room1-2346,1/F,Building041,BlockB,No.188JinghuaRoad, High-techZone,NingboCity,ZhejiangProvince Testspecification..............................: Standard................................................:KDB447498D01GeneralRFExposureGuidancev06 MAXLABTestingCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe MAXLABTestingCo.,Ltd.isacknowledgedascopyrightownerandsourceofthematerial.MAXLABTesting Co.,Ltd.takesnoresponsibilityforandwillnotassumeliabilityfordamagesresultingfromthereader's interpretationofthereproducedmaterialduetoitsplacementandcontext. Testitemdescription ........................ : HelmetBluetoothHeadset TradeMark ............................................ : N/A Manufacturer.........................................: NingboMoHaoIntelligentTechnologyCo.,Ltd. Model/Typereference ......................... : V1 ListedModels......................................: N/A Modulation...........................................:GFSK,π/4DQPSK,8-DPSK Frequency..............................................From2402MHzto2480MHz Rating ..................................................... :DC3.7VFromBatteryorDC5VbyUSBport Result ..................................................... :PASS MAXTestingCo.,Ltd.ReportNo.:MAX26010185P01-R01RF RFEXPOSUREEVALUATIONMETHOD AccordingtoKDB447498D01GeneralRFExposureGuidancev06,Unlessspecificallyrequiredbythe publishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-gextremitySARevaluation forgeneralpopulationexposureconditions,bymeasurementornumericalsimulation,isnotrequiredwhen thecorrespondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtestexclusion thresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]·[√f (GHz) ] ≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeusedto evaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF)Radiation asspecifiedin§1.1307(b) EUTSpecification Frequencyband(Operating)WLAN:2.412GHz~2.462GHz WLAN:5.150GHz~5.250GHz WLAN:5.725GHz~5.850GHz OthersBT:2402-2480MHz DevicecategoryPortable(<20cmseparation) Mobile(>20cmseparation) Others Exposureclassification 3.0for1-gSARand ≤ 7.5for10-gextremitySAR AntennadiversitySingleantenna Multipleantennas Txdiversity Rxdiversity Tx/Rxdiversity Max.outputpower6.867dBm(0.00486W) Antennagain(Max)-0.59dBi EvaluationappliedMPEEvaluation SAREvaluation MAXTestingCo.,Ltd.ReportNo.:MAX26010185P01-R01RF RFEXPOSUREEVALUATIONMETHOD SARTestExclusionThresholdsfor100MHz–6GHzand≤50mm ApproximateSARTestExclusionPowerThresholdsatSelectedFrequenciesandTestSeparation DistancesareillustratedinthefollowingTable. The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis ≤ 50 mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtest exclusion. MAXTestingCo.,Ltd.ReportNo.:MAX26010185P01-R01RF Maximummeasuredtransmitterpower. BR+EDR Operating Mode Freque ncy Measur ed Power max. power Antenna Gain min.test separation distance [√f(GHz)] ResultLimit (MHz)(dBm)(mW)(dBi)(mm) GFSK 24023.4912.23-0.5951.5500.69253 24415.3453.42-0.5951.5621.06963 24806.8674.86-0.5951.5751.53093 π/4DQPSK 24025.0643.21-0.5951.5500.99483 24414.1802.62-0.5951.5620.81813 24805.6313.66-0.5951.5751.15173 8-DPSK 24025.7853.79-0.5951.5501.17443 24414.6012.88-0.5951.5620.90143 24806.2484.22-0.5951.5751.32763 The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)] ThetestResultislessthan3.0for1-gSARand≤7.5for10-gextremitySAR. Conclusion:NoSARisrequired.

MAXLABTestingCo.,Ltd.ReportNo.:MAX26010185P01-R01 Page 1 of42 FCCPART15SUBPARTCTESTREPORT FCCPART15.247 ReportReferenceNo. ....................... :MAX26010185P01-R01 FCCID. ................................................ :2BUSB-V1 Compiledby (position+printedname+signature)..: Engineer/CindyZheng Supervisedby (position+printedname+signature) .. : Manager/HaleyWen Approvedby (position+printedname+signature)..: RFManager/VivianJiang Dateofissue ......................................... :February28,2026 TestingLaboratoryName................:MAXLABTestingCo.,Ltd. Address.................................................: 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict, Shenzhen,Guangdong,518052,People’sRepublicofChina Applicant’sname ............................... : NingboMoHaoIntelligentTechnologyCo.,Ltd. Address.................................................: Room1-2346,1/F,Building041,BlockB,No.188JinghuaRoad, High-techZone,NingboCity,ZhejiangProvince Testspecification..............................: Standard................................................: FCCPart15.247 ANSIC63.10-2020 MAXLABTestingCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe MAXLABTestingCo.,Ltd.isacknowledgedascopyrightownerandsourceofthematerial.MAXLAB TestingCo.,Ltd.takesnoresponsibilityforandwillnotassumeliabilityfordamagesresultingfromthe reader'sinterpretationofthereproducedmaterialduetoitsplacementandcontext. Testitemdescription ........................ : HelmetBluetoothHeadset TradeMark ............................................ : N/A Manufacturer ......................................... : NingboMoHaoIntelligentTechnologyCo.,Ltd. Model/Typereference.........................: V1 ListedModels......................................: N/A Modulation...........................................:GFSK,π/4DQPSK,8-DPSK Frequency .............................................. From2402MHzto2480MHz Rating ..................................................... :DC3.7VFromBatteryorDC5VbyUSBport Result ..................................................... :PASS MAXLABTestingCo.,Ltd.ReportNo.:MAX26010185P01-R01 Page 2 of42 TESTREPORT EquipmentunderTest:HelmetBluetoothHeadset Model/Type:V1 ListedModels:N/A ModelDeclaration:N/A Applicant : NingboMoHaoIntelligentTechnologyCo.,Ltd. Address: Room1-2346,1/F,Building041,BlockB,No.188JinghuaRoad, High-techZone,NingboCity,ZhejiangProvince Manufacturer : NingboMoHaoIntelligentTechnologyCo.,Ltd. Address: Room1-2346,1/F,Building041,BlockB,No.188JinghuaRoad, High-techZone,NingboCity,ZhejiangProvince TestResult:PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. MAXLABTestingCo.,Ltd.ReportNo.:MAX26010185P01-R01 Page 3 of42 Contents 1TESTSTANDARDS..............................................................................................................................4 2SUMMARY.................................................................................................................................................5 2.1GeneralRemarks..........................................................................................................................................5 2.2ProductDescription.....................................................................................................................................5 2.3EquipmentUnderTest.................................................................................................................................5 2.4ShortdescriptionoftheEquipmentunderTest(EUT).............................................................................5 2.5EUToperationmode.....................................................................................................................................6 2.6BlockDiagramofTestSetup.......................................................................................................................6 2.7RelatedSubmittal(s)/Grant(s)...................................................................................................................6 2.8Modifications.................................................................................................................................................6 3TESTENVIRONMENT........................................................................................................................7 3.1Addressofthetestlaboratory....................................................................................................................7 3.2TestFacility...................................................................................................................................................7 3.3Environmentalconditions............................................................................................................................7 3.4Summaryofmeasurementresults..............................................................................................................8 3.5Statementofthemeasurementuncertainty..............................................................................................8 3.6EquipmentsUsedduringtheTest..............................................................................................................9 4TESTCONDITIONSANDRESULTS.......................................................................................11 4.1ACPowerConductedEmission................................................................................................................11 4.2RadiatedEmission......................................................................................................................................14 4.3MaximumPeakOutputPower...................................................................................................................20 4.420dBBandwidth.............................................................…

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Testsetup TestModelNo.:V1 Testsetup TestModelNo.:V1