2BGO5-LY7Ear mounted sports earphones

ShenzhenBlueLeafTechnologyCo.,LTD 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:ShenzhenBlueLeafTechnologyCo.,LTD Address:301,BuildingC,YuxingChuanggu,XixiangStreet,Bao'anDistrict,Shenzhen,China ProductName:Earmountedsportsearphones FCCID:2BGO5-LY7 Model(s):LY7,LY10,LY11,LY12,LY13,LY15,LY16,LY17,LY18,LY19,LY20,LY21,LY22,LY23, LY25,LY26,LY27,LY28,LY29,LY30,LY31,LY32,LY33,LY35,LY36,LY37,LY38,LY39,LY60, LY61,LY62 2.911(d)(5)(i)EquipmentType We,[ShenzhenBlueLeafTechnologyCo.,LTD](“theapplicant”)certifythattheequipmentforwhich authorizationissoughtthroughcertificationisnot:  Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules.  Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:QilianLinDate:2024-06-06 TitleandCompanyname:manager/ShenzhenBlueLeafTechnologyCo.,LTD NOTE1 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

ShenzhenBlueLeafTechnologyCo.,LTD 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:ShenzhenBlueLeafTechnologyCo.,LTD Address:301,BuildingC,YuxingChuanggu,XixiangStreet,Bao'anDistrict,Shenzhen,China ProductName:Earmountedsportsearphones FCCID:2BGO5-LY7 Model(s):LY7,LY10,LY11,LY12,LY13,LY15,LY16,LY17,LY18,LY19,LY20,LY21,LY22,LY23, LY25,LY26,LY27,LY28,LY29,LY30,LY31,LY32,LY33,LY35,LY36,LY37,LY38,LY39,LY60, LY61,LY62 2.911(d)(5)(ii)Applicantfiling We,[ShenzhenBlueLeafTechnologyCo.,LTD](“theapplicant”)certifythat,asofthedateofthe filingoftheapplication,theapplicantisnotidentified NOTE1 onthe“CoveredList” NOTE2 , establishedpursuantto§1.50002ofthischapter,asanentityproducingcoveredcommunications equipment. Yourssincerely, Name:QilianLinDate:2024-06-06 TitleandCompanyname:manager/ShenzhenBlueLeafTechnologyCo.,LTD NOTE1 Deleteoptionnotapplicabletothisapplication. NOTE2 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

ShenzhenBlueLeafTechnologyCo.,LTD U.S.AgentLetterof Attestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:2024-06-06 Ref: AttestationStatement– Part 2.911(d)(7)filing FCCID:2BGO5-LY7 ShenzhenBlue Leaf TechnologyCo.,LTD(“the applicant”) certifiesthat, as of the date of the filing of the application,THREESTONESMEDIALLC (“the agent ”) is our designatedU.S. agent for service of processfor the abovereferenceFCC ID . The applicantacceptsto maintainan agent for service of processin the UnitedStatesfor no less than one year after either the granteehas permanently terminatedall marketingand importationof the applicableequipmentwithin the U.S., or the conclusionof any Commission-relatedadministrativeor judicialproceedinginvolvingthe equipment, whicheveris later. The applicantfurtheracknowledgesit is our responsibilityto informthe FCC wheneverthe agent informationchanges. THREESTONESMEDIALLC ("the agent)understandit is the agent'sobligationto acceptservice of processin the UnitedStatesfor mattersrelatedto the applicableequipment,and at the physical U.S. addressand email address. DesignatedU.S.Agent CompanyName: THREESTONESMEDIALLC FRN: 0033401761 GC: 2A99E Address: 1200 BroadwaySt. APT 329, Los Angeles,CA90015 Signature: ContactPerson:Sijie Zhang Tel: +1 267 909 3692Email:[email protected] Applicant CompanyName:ShenzhenBlue Leaf TechnologyCo.,LTD FRN: 0035484252 GC : 2BGO5 Addr ess: 301, BuildingC, YuxingChuanggu,Xixiang Street,Bao'anDistrict,Shenzhen,China Signature: ContactPerson:Qilian Lin Tel: +86 19926843993Email: [email protected]

ShenzhenBlueLeafTechnologyCo.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024-06-06 Subject;RequestforConfidentiality FCCID:2BGO5-LY7 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure 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:QilianLin Title:manager

ShenzhenBlueLeafTechnologyCo.,LTD LetterofAuthorization Company:ShenzhenBlueLeafTechnologyCo.,LTD Address:301,BuildingC,YuxingChuanggu,XixiangStreet,Bao'anDistrict, Shenzhen,China ProductName:Earmountedsportsearphones ModelNumber(s):LY7,LY10,LY11,LY12,LY13,LY15,LY16,LY17,LY18,LY19, LY20,LY21,LY22,LY23,LY25,LY26,LY27,LY28,LY29,LY30,LY31,LY32,LY33, LY35,LY36,LY37,LY38,LY39,LY60,LY61,LY62 ProductDescription:Earmountedsportsearphones WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024-06-06 Name:QilianLin Title:manager Company:ShenzhenBlueLeafTechnologyCo.,LTD

version01 ShenzhenBlueLeafTechnologyCo.,LTD Modeldifferencestatement Itisherebydeclaredthattheproduct ProductName:Earmountedsportsearphones Model:LY7 ListedModel(s):LY10,LY11,LY12,LY13,LY15,LY16,LY17,LY18,LY19,LY20,LY21,LY22,LY23, LY25,LY26,LY27,LY28,LY29,LY30,LY31,LY32,LY33,LY35,LY36,LY37,LY38,LY39,LY60, LY61,LY62 Mark: AllmodelshavethesamecircuitandRFmodule,themodelnamesandcolourdifferent. EUTphotograph Sincerely, Signature [QilianLin] [Manager] [ShenzhenBlueLeafTechnologyCo.,LTD]

FCCID:2BGO5-LY7 FCCID:2BGO5-LY7 FCCID:2BGO5-LY7 FCCID:2BGO5-LY7

FCCID:2BGO5-LY7 Label Size:10mm*8mm FCCID:2BGO5-LY7 LabelLocation

FCCID:2BGO5-LY7 FCCID:2BGO5-LY7 FCCID:2BGO5-LY7 FCCID:2BGO5-LY7 FCCID:2BGO5-LY7

RFExposureevaluation FCCID2BGO5-LY7 ProductNameEarmountedsportsearphones Model/TypereferenceLY7 ExposurecategoryGeneralpopulation/uncontrolledenvironment EUTTypeProductionUnit DeviceTypePortableDevice 1.Reference ANSIC95.1–1999:IEEEStandardforSafetyLevelswithRespecttoHumanExposureto RadioFrequencyElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortable DevicesRFExposureProceduresandEquipmentAuthorizationPolicies. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1093:Radiofrequencyradiationexposureevaluation:portabledevices 2.Requirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1Standalone SARtestexclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposure KDBprocedures,standalone1-gheadorbodyand10-gextremitySARevaluationforgeneral populationexposureconditions,bymeasurementornumericalsimulation,isnotrequired whenthecorrespondingSARTestExclusionThresholdcondition,listedbelow,issatisfied. Thesetestexclusionconditionsarebasedonsource-basedtime-averagedmaximum conductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-uptolerance, andtheminimumtestseparationdistancerequiredfortheexposureconditions.22The minimumtestseparationdistanceisdeterminedbythesmallestdistancefromtheantenna andradiatingstructuresoroutersurfaceofthedevice,accordingtothehostformfactor, exposureconditionsandplatformrequirements,toanypartofthebodyorextremityofauser orbystander(see5)ofsection4.1).ToqualifyforSARtestexclusion,thetestseparation distancesappliedmustbefullyexplainedandjustifiedbytheoperatingconfigurationsand exposureconditionsofthetransmitterandapplicablehostplatformrequirements,typicallyin theSARmeasurementorSARanalysisreport,accordingtotherequiredpublishedRF exposureKDBprocedures.WhennootherRFexposuretestingorreportingisrequired,a statementofjustificationandcompliancemustbeincludedintheequipmentapproval,inlieuof theSARreport,toqualifyfortheSARtestexclusion.Whenrequired,thedevicespecific conditionsdescribedintheotherpublishedRFexposureKDBproceduresmustbesatisfied beforeapplyingtheseSARtestexclusionprovisions;forexample,handheldPTTtwo-way radios,handsets,laptops&tabletsetc.23” [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where: •f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison •3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50 mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto5)insection4.1isappliedto determineSARtestexclusion. Whenoneofthefollowingtestexclusionconditionsissatisfiedforallcombinationsof simultaneoustransmissionconfigurations,furtherequipmentapprovalisnotrequiredto incorporatetransmittermodulesinhostdevicesthatoperateinthemixedmobileandportable hostplatformexposureconditions.Thegranteeisresponsiblefordocumentingthisaccording toClassIpermissivechangerequirements.AntennasthatqualifyforstandaloneSARtest exclusionmustapplytheestimatedstandaloneSARtodeterminesimultaneoustransmission testexclusion. a)The[∑of(thehighestmeasuredorestimatedSARforeachstandaloneantenna configuration,adjustedformaximumtune-uptolerance)/1.6W/kg]+[∑ofMPEratios]is≤ 1.0. b)TheSARtopeaklocationseparationratiosofallsimultaneouslytransmittingantennapairs operatinginportabledeviceexposureconditionsareall≤0.04,andthe[∑ofMPEratios]is ≤1.0. 3.MaximumPeakOutputPower Left ModulationPacketTypeChannel PeakOutputPower (dBm) PeakOutputPower (mW) GFSKDH5 0 1.411.38 39 0.711.18 78 0.681.17 π/4DQPSK2-DH5 0 1.801.51 39 1.281.34 781.251.33 8DPSK3-DH5 0 1.851.53 39 1.431.39 78 1.421.39 Right ModulationPacketTypeChannel PeakOutputPower (dBm) PeakOutputPower (mW) GFSKDH5 0 1.191.32 39 0.591.15 78 0.561.14 π/4DQPSK2-DH5 0 1.641.46 39 1.031.27 781.081.28 8DPSK3-DH5 0 1.641.46 39 1.201.32 78 1.301.35 4.ManufacturingTolerance Left BR/EDR DH5 ChannelChannel0Channel39Channel78 Target(dBm)2.01.01.0 Tolerance±(dB)1.01.01.0 2DH5 ChannelChannel0Channel39Channel78 Target(dBm)2.02.02.0 Tolerance±(dB)1.01.01.0 3DH5 ChannelChannel0Channel39Channel78 Target(dBm)2.02.02.0 Tolerance±(dB)1.01.01.0 Right BR/EDR DH5 ChannelChannel0Channel39Channel78 Target(dBm)1.01.01.0 Tolerance±(dB)1.01.01.0 2DH5 ChannelChannel0Channel39Channel78 Target(dBm)2.01.01.0 Tolerance±(dB)1.01.01.0 3DH5 ChannelChannel0Channel39Channel78 Target(dBm)2.02.02.0 Tolerance±(dB)1.01.01.0 5.EvaluationResult Band/Modef(GHz) Antenna Distance (mm) RFoutputpower SARTest Exclusion Threshold SARTest Exclusion dBmmW BR/EDR2.48053 2 0.6284<3.0Yes Remark: 1.Outputpowerincludingtuneuptolerance; 2.Whentheminimumtestseparationdistanceis<5mm,adistanceof5mmaccordingtof)in section4.1isappliedtodetermineSARtestexclusion. 6.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093fortheuncontrolled RFExposureandSARExclusionThresholdperKDB447498v06. ------Endofthereport------

Dimension(mm) L2.05+-0.15 W1.20+-0.15 T0.45+-0.10 No.TerminalName 1Feeding/GNG 2GND WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT2012F245C02 (A)(B)(C)(D)(E)(F) (A)ProductTypeChipAntenna (B)SizeCode2.0x1.2mm(+-0.2mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=02 ElectricalSpecification WorkingFrequencyRange2400~2484MHz Bandwidth84(Min.) PeakGain2dBi (Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280°C) TerminationNi/Au(Leadless) ThespecificationisdefinedonEVB. DimensionandTerminalConfiguration Applicant:Shenzhen Blue Leaf Technology Co.,LTD Address:301, Building C, Yuxing Chuanggu, Xixiang Street, Bao'an District, Shenzhen Model:LY7 Application: EvaluationBoardReference PCBDimensionAntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss ReturnLoss&Radiation 1 Frequency(MHz) S11(dB) 2400-10.77 2450-24.81 2484-10.243 Radiation Z Y X 2400MHz2450MHz2500MHz Efficiency70.56%75.25%71.01% TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 20127”5K/Reel 9.0±0.5 60±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTDP PaperType2012 1.50±0.202.30±0.208.0±0.201.75±0.103.5±0.054.0±0.102.0±0.050.75±0.101.57±0.104.0±0.1 ReliabilityTable TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr,thenkeepfor24±1hrsatroomtemp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Cto+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingtime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onelong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"fromanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage.MIL-STD-202 Method204 Mechanical Shock Threeshocksineachdirectionshallbeappliedalongthethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4ft/s Waveform:Half-sine NoVisibleDamage.MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106 2.4GHz2012ChipAntenna:RANT2012F245X5 Board Flex (SMD) 1.Mountingmethod: IR-Reflow.PCBSize(L:100×W:40×T:1.6mm) 2.Applytheloadindirectionofthearrowuntilbendingreaches 2mm. NoVisibleDamage.AEC-Q200 005 AdhesionForceof1.8Kgfor60seconds.NoVisibleDamage Magnificationof20Xor greatermaybeemployed forinspectionofthe mechanicalintegrityofthe devicebodyterminalsand body/terminaljunction. AEC-Q200 006 Physical Dimension Anyapplicablemethodusingx10magnification,micrometers, calipers,gauges,contourprojectors,orothermeasuring equipment,capableofdeterminingtheactualspecimen dimensions. Inaccordancewith specification. JESD22 JB100 RevisionHistory RevisionDateContent 1 2020/10/15NewDatasheet

ReportNo.:CISRR240525152 —1— AppendixA ReportNo.:CISRR240525152 FCCID:2BGO5-LY7 ProductName:Earmountedsportsearphones ModelNo.:LY7 TestEngineer:LucasHuang Supervisedby:RoryHuang ReportNo.:CISRR240525152 —2— ConductedPeakOutputPower TestResult Left ModulationPacketTypeChannel PeakOutput Power (dBm) PeakOutput Power (mW) Limit (dBm) Result GFSKDH5 01.411.38 30 PASS 390.711.18PASS 780.681.17PASS π/4DQPSK2-DH5 01.801.51 20.97 PASS 391.281.34PASS 781.251.33PASS 8DPSK3-DH5 01.851.53 20.97 PASS 391.431.39PASS 781.421.39PASS PeakOutputPower GFSK_Channel0 PeakOutputPower GFSK_Channel39 PeakOutputPowerPeakOutputPower ReportNo.:CISRR240525152 —3— GFSK_Channel78π/4DQPSK_Channel0 PeakOutputPower π/4DQPSK_Channel39 PeakOutputPower π/4DQPSK_Channel78 PeakOutputPower 8DPSK_Channel0 PeakOutputPower 8DPSK_Channel39 ReportNo.:CISRR240525152 —4— PeakOutputPower 8DPSK_Channel78 Right ModulationPacketTypeChannel PeakOutput Power (dBm) PeakOutput Power (mW) Limit (dBm) Result GFSKDH5 01.191.32 30 PASS 390.591.15PASS 780.561.14PASS π/4DQPSK2-DH5 01.641.46 20.97 PASS 391.031.27PASS 781.081.28PASS 8DPSK3-DH5 01.641.46 20.97 PASS 391.201.32PASS 781.301.35PASS PeakOutputPower GFSK_Channel0 PeakOutputPower GFSK_Channel39 PeakOutputPower GFSK_Channel78 PeakOutputPower π/4DQPSK_Channel0 ReportNo.:CISRR240525152 —5— PeakOutputPower π/4DQPSK_Channel39 PeakOutputPower π/4DQPSK_Channel78 PeakOutputPower 8DPSK_Channel0 PeakOutputPower 8DPSK_Channel39 PeakOutputPower 8DPSK_Channel78 ReportNo.:CISRR240525152 —6— 99%Bandwidth TestResult Left ModulationChannel99%BW(MHz) GFSK 00.9052 390.9056 780.8952 π/4DQPSK 01.2158 391.2138 781.2038 8DPSK 01.2240 391.2142 781.2108 TestGraphs GFSK_DH5_Channel0π/4DQPSK_2-DH5_Channel0 GFSK_DH5_Channel39π/4DQPSK_2-DH5_Channel39 ReportNo.:CISRR240525152 —7— GFSK_DH5_Channel78π/4DQPSK_2-DH5_Channel78 8DPSK_3-DH5_Channel08DPSK_3-DH5_Channel39 8DPSK_3-DH5_Channel78 ReportNo.:CISRR240525152 —8— Right TestResult ModulationChannel99%BW(MHz) GFSK 00.9014 390.9098 780.8914 π/4DQPSK 01.2132 391.2022 781.1954 8DPSK 01.2268 391.2148 781.2090 TestGraphs GFSK_DH5_Channel0π/4DQPSK_2-DH5_Channel0 GFSK_DH5_Channel39π/4DQPSK_2-DH5_Channel39 ReportNo.:CISRR240525152 —9— GFSK_DH5_Channel78π/4DQPSK_2-DH5_Channel78 8DPSK_3-DH5_Channel08DPSK_3-DH5_Channel39 8DPSK_3-DH5_Channel78 ReportNo.:CISRR240525152 —10— 20dBBandwidth TestResult Left ModulationChannelCenterFrequency(MHz)20dBBandwidth(MHz) GFSK 02402MHz1.020 392441MHz1.010 782480MHz1.030 π/4DQPSK 02402MHz1.320 392441MHz1.320 782480MHz1.320 8DPSK 02402MHz1.300 392441MHz1.300 782480MHz1.290 TestGraphs GFSK_DH5_Channel0GFSK_DH5_Channel39 GFSK_DH5_Channel78π/4DQPSK_2-DH5_Channel0 ReportNo.:CISRR240525152 —11— π/4DQPSK_2-DH5_Channel39π/4DQPSK_2-DH5_Channel78 8DPSK_3-DH5_Channel08DPSK_3-DH5_Channel39 8DPSK_3-DH5_Channel78 ReportNo.:CISRR240525152 —12— Right TestResult ModulationChannelCenterFrequency(MHz)20dBBandwidth(MHz) GFSK 02402MHz1.030 392441MHz1.030 782480MHz1.030 π/4DQPSK 02402MHz1.320 392441MHz1.320 782480MHz1.310 8DPSK 02402MHz1.310 392441MHz1.290 782480MHz1.290 TestGraphs GFSK_DH5_Channel0GFSK_DH5_Channel39 GFSK_DH5_Channel78π/4DQPSK_2-DH5_Channel0 ReportNo.:CISRR240525152 —13— π/4DQPSK_2-DH5_Channel39π/4DQPSK_2-DH5_Channel78 8DPSK_3-DH5_Channel08DPSK_3-DH5_Channel39 8DPSK_3-DH5_Channel78 ReportNo.:CISRR240525152 —14— CarrierFrequenciesSeparation TestResult Left ModulationPacket LeftCenter frequency (MHz) RightCenter frequency (MHz) Hopping Frequency Separation (MHz) Limit(MHz)Result GFSKDH52439.92352440.9210.99750.68PASS π/4DQPSK2-DH52439.84192440.98891.14690.88PASS 8DPSK3-DH52440.0032441.20811.20510.867PASS TestGraphs GFSKπ/4DQPSK 8DPSK ReportNo.:CISRR240525152 —15— Right TestResult ModulationPacket LeftCenter frequency (MHz) RightCenter frequency (MHz) Hopping Frequency Separation (MHz) Limit(MHz)Result GFSKDH52440.01472441.18181.16700.687PASS π/4DQPSK2-DH52439.97312440.85870.88560.88PASS 8DPSK3-DH52439.83172441.0061.17420.873PASS TestGraphs GFSKπ/4DQPSK 8DPSK ReportNo.:CISRR240525152 —16— ConductedOutOfBandEmission TestResult Left Non-Hopping ModulationPacketChannel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) OverLimit (dB) Result GFSKDH5 0 2400.00-49.571-18.76-30.811PASS 7205.96-42.071-18.76-23.311PASS 399763.72-43.084-19.56-23.524PASS 78 2483.50-52.346-19.5-32.846PASS 9920.20-40.630-19.5-21.130PASS π/4DQPSK2-DH5 0 2400.00-48.470-18.93-29.540PASS 7205.96-42.062-18.93-23.132PASS 399763.72-41.638-19.51-22.128PASS 78 2483.50-51.962-19.56-32.402PASS 9920.20-40.817-19.56-21.257PASS 8DPSK3-DH5 0 2400.00-48.520-19.19-29.330PASS 1958.93-43.530-19.19-24.340PASS 399763.72-41.735-19.63-22.105PASS 78 2483.50-52.664-19.65-33.014PASS 9920.20-40.176-19.65-20.526PASS Hopping ModulationPacketChannel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) OverLimit (dB) Result GFSKDH5 Hopping 2396.56-49.384-18.65-30.734PASS 2400.00-51.067-18.65-32.417PASS 2483.50-49.941-19.56-30.381PASS 2398.44-49.562-18.64-30.922PASS 2400.00-51.122-18.64-32.482PASS 2483.50-51.589-19.55-32.039PASS π/4DQPSK2-DH5 2395.48-50.126-19.16-30.966PASS 2400.00-50.933-19.16-31.773PASS 2483.50-50.332-20.5-29.832PASS 2396.77-49.299-19.28-30.019PASS 2400.00-51.290-19.28-32.010PASS 2483.50-51.725-19.56-32.165PASS 8DPSK3-DH5 2397.38-50.345-19.51-30.835PASS 2400.00-50.979-19.51-31.469PASS 2483.50-51.365-19.67-31.695PASS 2397.96-49.442-18.83-30.612PASS 2400.00-49.713-18.83-30.883PASS 2483.50-50.687-20.01-30.677PASS TestGraphs ReportNo.:CISRR240525152 —17— OutOfBandEmission GFSK_DH5_Channel0 OutOfBandEmission π/4DQPSK_2-DH5_Channel0 SpuriousEmission GFSK_DH5_Channel0 SpuriousEmission π/4DQPSK_2-DH5_Channel0 OutOfBandEmission GFSK_DH5_Channel39 OutOfBandEmission π/4DQPSK_2-DH5_Channel39 ReportNo.:CISRR240525152 —18— SpuriousEmissions GFSK_DH5_Channel39 SpuriousEmissions π/4DQPSK_2-DH5_Channel39 OutOfBandEmission GFSK_DH5_Channel78 OutOfBandEmission π/4DQPSK_2-DH5_Channel78 SpuriousEmission GFSK_DH5_Channel78 SpuriousEmission π/4DQPSK_2-DH5_Channel78 ReportNo.:CISRR240525152 —19…

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ReportNo.:CISRR240525152 Page:1of33 TESTREPORT ReportNo.:CISRR240525152 ProjectNo.CISR240525152 FCCID2BGO5-LY7 Applicant:ShenzhenBlueLeafTechnologyCo.,LTD Address:301,BuildingC,YuxingChuanggu,XixiangStreet,Bao'anDistrict, Shenzhen,China ManufacturerShenzhenBlueLeafTechnologyCo.,LTD Address301,BuildingC,YuxingChuanggu,XixiangStreet,Bao'anDistrict, Shenzhen,China ProductName:Earmountedsportsearphones TradeMark:-- Model/Typereference:LY7 ListedModel(s):LY10,LY11,LY12,LY13,LY15,LY16,LY17,LY18,LY19,LY20,LY21, LY22,LY23,LY25,LY26,LY27,LY28,LY29,LY30,LY31,LY32,LY33, LY35,LY36,LY37,LY38,LY39,LY60,LY61,LY62 Standard:Part15SubpartCSection15.247 Testdate:May25,2024~June3,2024 IssuedateJune3,2024 Testresult:Complied Preparedby:RoryHuangApprovedby:GenryLong Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. ReportNo.:CISRR240525152 Page:2of33 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 3.5.FieldStrengthCalculation..........................................................................................................................6 3.6.DISTURBANCECalculation........................................................................................................................6 4.TESTCONFIGURATION.............................................................................................................................7 4.1.Testfrequencylist.......................................................................................................................................7 4.2.Testmode.....................................................................................................................................................7 4.3.Supportunitusedintestconfigurationandsystem...............................................................................8 4.4.Testsampleinformation.............................................................................................................................8 4.5.Testingenvironmentalcondition...............................................................................................................8 4.6.Statementofthemeasurementuncertainty.............................................................................................8 4.7.EquipmentUsedduringtheTest...............................................................................................................9 5.TESTCONDITIONSANDRESULTS.....................................................................................................10 5.1.AntennaRequirement...............................................................................................................................10 5.2.ACConductedEmission...........................................................................................................................11 5.3.PeakOutputPower....................................................................................................................................14 5.4.20dBBandwidth........................................................................................................................................15 5.5.99%OccupiedBandwidth.........................................................................................................................16 5.6.CarrierFrequenciesSeparation...............................................................................................................17 5.7.HoppingChannelNumber........................................................................................................................18 5.8.DwellTime..................................................................................................................................................19 5.9.DutyCycleCorrectionFactor(DCCF).....................................................................................................20 5.10.PseudorandomFrequencyHoppingSequence...................................................................................21 5.11.ConductedBandedgeandSpuriousEmission...................................................................................22 5.12.RadiatedBandedgeEmission...............................................................................................................23 5.13.RadiatedSpuriousEmission..................................................................................................................25 6.TESTSETUPPHOTOS............................................................................................................................33 7.EXTERNALANDINTERNALPHOTOS.................................................................................................33 7.1.ExternalPhotos.........................................................................................................................................33 7.2.Internalphotos...................…

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FCCID:2BGO5-LY7 RadiatedEmission Below1GHz: Above1GHz: FCCID:2BGO5-LY7 ACConductedEmission