2BSW8-FITBUDSH2FitBuds H2

LocalRepresentativeLetter Fo rCertificationServi ceinthe USA Fede ralCommuni cations Commission Equi pm ent Aut ho rizationDivi sion, Appl icationProcessing Branc h 7435Oakland MillsRoad Colum bi a,MD21048 Towho mitmayconc ern Pur sua nt toSection2.911(d) (7),ofthe Commission’sRul es(47C.F. R.)weattestasfollowsfor the pr oduc tlistedbe low: FC CIDMode lna me 2BSW8-FITBUDSH2FitBuds H2 Wehe reby ackno wledg easfollows: i. bo thsigne esconf irmtha tthe po int ofcont actaccept srespo ns ibi litytoactasaUS- AmericanRepr esent ative onbe ha lfofthe appl icant ii. the po int ofcont actpr ovi de sthe phy sicalU.S.addr essand emailaslistedbe low iii. bo thpa rtiesmaint ainthe requi rement softhi sagreement forno lesstha none year afterthe grant eeha stermina tedallmarketing and impo rtationorthe conc lus ionof any Commission- relatedpr oceedi ng invo lvi n gthe equi pm ent . iv. Anexpi rationda teforthi sletterdo esno texist.Incasethe U.S.agent cha ng es,the grant eeisobl igatedtono tifythe FC Cwithi n30da ysvi athe grant ing TCB. US-AmericanPoint ofCont actAppl icant /Appr ova lHolde r Si gna tur e Date:2026- 08- 10Si gna tur e Date:2026- 08- 10 Compa ny Name:MarsBus ine ssCons ul ting ,LLCHONGKONGLELEGAO TECHNOLOGYCO.,LIMITED FR N:00337906840037627072 Cont actName:MsJESSIEPENGXiuy ing Zou Addr ess:8932MISSIONDR207 Rosemead, CA91770-1452Uni ted States 19H Maxgrand Plaza, No.3 Tai Yau Street, San Po Kong,Kowloon,HongKong, China Pho ne : （8 58）9 05-0218 75532909320 Email:jessie@mars-us .ne tzxy@bl ackvi ew.hk

Page1of5FCCID: 2BSW8-FITBUDSH2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. ExternalPhotos Photo1 Photo2 Page2of5FCCID: 2BSW8-FITBUDSH2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 Page3of5FCCID: 2BSW8-FITBUDSH2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo5 Photo6 Page4of5FCCID: 2BSW8-FITBUDSH2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo7 Photo8 Page5of5FCCID: 2BSW8-FITBUDSH2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo9 ------End------

FCCLabel FCCID:2BSW8-FITBUDSH2

Page1of5FCCID: 2BSW8-FITBUDSH2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. InternalPhotos Photo1 Photo2 Page2of5FCCID: 2BSW8-FITBUDSH2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 Page3of5FCCID: 2BSW8-FITBUDSH2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo5 Photo6 Page4of5FCCID: 2BSW8-FITBUDSH2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo7 Photo8 BTAntenna Page5of5FCCID: 2BSW8-FITBUDSH2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo9 ------End------

Page1of8ReportNo.:AiTDG-260707004W3 Note:Thisdevicehasbeentestedandfoundtocomplywiththestandard(s)listed,thistestreportmerelycorrespondstothe testsample.Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetestlaboratory.This reportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofDongguanYaxu(AiT)TechnologyLimited.Ifthere isaneedtoalterorrevisethisdocument,therightbelongstoDongguanYaxu(AiT)TechnologyLimited,anditshouldgivea priorwrittennoticeoftherevisiondocument.Thistestreportmustnotbeusedbytheclienttoclaimproductendorsement. DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan,Guangdong,China. RFExposureevaluation ProductName: FitBudsH2 BrandName: Blackview Model: FitBudsH2 SeriesModel: N/A FCCID: 2BSW8-FITBUDSH2 Applicant: HONGKONGLELEGAOTECHNOLOGYCO.,LIMITED Address: 19HMaxgrandPlaza,No.3TaiYauStreet,SanPo Kong,Kowloon,HongKong,China Manufacturer: ShenzhenDokeElectronicCo.,LTD Address: 801,Building3,7thIndustrialZone,YulvCommunity,YutangRoad, GuangmingDistrict,Shenzhen,China. Standard(s): 47CFR§1.1310,47CFR§2.1093 KDB447498D01GeneralRFExposureGuidancev06 DateofReceipt: Jul.07,2026 DateofTest: Jul.07,2026~Jul.21,2026 IssuedDate: Jul.22,2026 IssuedBy: DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan,Guangdong,China Tel.:+86-769-82020499Fax.:+86-769-82020495 Reviewedby:Approvedby: EmiyaLinSimbaHuang Page 2 of 8 ReportNo.:AiTDG-260707004W3 ReportReviseRecord ReportVersionIssuedDateNotes V1.0Jul.22,2026InitialRelease Page 3 of 8 ReportNo.:AiTDG-260707004W3 Contents 1GENERALINFORMATION.............................................................................................................................................4 1.1ENVIRONMENTALCONDITIONS........................................................................................................................................4 1.2GENERALDESCRIPTIONOFEUT......................................................................................................................................4 1.3TESTFACILITY...............................................................................................................................................................5 1.4MEASUREMENTUNCERTAINTY........................................................................................................................................6 2METHODOFMEASUREMENT......................................................................................................................................7 2.1APPLICABLESTANDARD.................................................................................................................................................7 2.2EVALUATIONMETHODANDLIMIT...................................................................................................................................7 2.3MANUFACTURINGTOLERANCE........................................................................................................................................8 2.4EVALUATIONRESULT......................................................................................................................................................8 2.5CONCLUSION................................................................................................................................................................8 Page 4 of 8 ReportNo.:AiTDG-260707004W3 1GENERALINFORMATION 1.1Environmentalconditions Duringthemeasurementtheenvironmentalconditionswerewithinthelistedranges: NormalTemperature:25°C RelativeHumidity:55% AirPressure:101kPa 1.2GeneralDescriptionofEUT ProductName:FitBudsH2 Model/Type reference: FitBudsH2 SerialModel:N/A PowerSupply: DC3.7Vby800mAhRechargeableLi-ionbatteryorDC5.0Vfromexternal circuit Battery:DC3.7V,800mAh,2.96Wh Hardwareversion.:N/A Softwareversion.:N/A Testsample(s)ID:AiTDG-260707004-1 BT: Operationfrequency:2402MHz-2480MHz ChannelNumber: BR/EDR:79Channels BLE:40Channels Channelseparation: BR/EDR:1MHz BLE:2MHz Modulation Technology: GFSK, π /4-DQPSK AntennaType:PCBAntenna Antennagain:-0.58dBi Remark:TheaboveDUT'sinformationwasdeclaredbymanufacturer.Formoredetailedfeatures description,pleaserefertothemanufacturer’sspecificationsortheUser'sManual. Page 5 of 8 ReportNo.:AiTDG-260707004W3 1.3TestFacility TestLaboratory: DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan,Guangdong,China Thetestfacilityisrecognized,certifiedoraccreditedbythefollowingorganizations: CNAS-RegistrationNo:L6177 DongguanYaxu(AiT)technologyLimitedisaccreditedtoISO/IEC17025:2017generalRequirements forthecompetenceoftestingandcalibrationlaboratories(CNAS-CL01AccreditationCriteriaforthe competenceoftestingandcalibrationlaboratories)onApril18,2022 FCC-RegistrationNo.:362653DesignationNumber:CN1457 DongguanYaxu(AiT)TechnologyLimitedhasbeenregisteredandfullydescribedinareportfiledwith the(FCC)FederalCommunicationsCommission.TheacceptanceletterfromtheFCCismaintainedin ourfiles. IC-RegistrationNo.:6819ACABidentifier:CN0122 The3mSemi-anechoicchamberofDongguanYaxu(AiT)TechnologyLimitedhasbeenregisteredby CertificationandEngineeringBureauofIndustryCanadaforradioequipmenttestingwithRegistration No.:6819A A2LA-LabCert.No.:6317.01 DongguanYaxu(AiT)TechnologyLimitedhasbeenaccreditedbyA2LAfortechnicalcompetencein thefieldofelectricaltesting,andprovedtobeincompliancewithISO/IEC17025:2017General RequirementsfortheCompetenceofTestingandCalibrationLaboratoriesandanyadditionalprogram requirementsintheidentifiedfieldoftesting. Page 6 of 8 ReportNo.:AiTDG-260707004W3 1.4Measurementuncertainty Thedataandresultsreferencedinthisdocumentaretrueandaccurate.Thereaderiscautionedthat theremaybeerrorswithinthecalibrationlimitsoftheequipmentandfacilities.Themeasurement uncertaintywascalculatedforallmeasurementslistedinthistestreportaccordingtoCISPR16- 4“Specificationforradiodisturbanceandimmunitymeasuringapparatusandmethods–Part4: Uncer…

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Page1of38ReportNo.:AiTDG-260707004W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TESTREPORT ClientInformation: Applicant:HONGKONGLELEGAOTECHNOLOGYCO.,LIMITED Applicantadd.: 19HMaxgrandPlaza,No.3TaiYauStreet,SanPoKong,Kowloon,HongKong, China Manufacturer:ShenzhenDokeElectronicCo.,LTD Manufactureradd.: 801,Building3,7thIndustrialZone,YulvCommunity,YutangRoad,Guangming District,Shenzhen,China. ProductInformation: ProductName:FitBudsH2 ModelNo.:FitBudsH2 BrandName:Blackview FCCID: 2BSW8-FITBUDSH2 Applicablestandards: FCCCFRTitle47Part15SubpartCSection15.247 PreparedBy: DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan, Guangdong,China Tel.:+86-769-82020499Fax.:+86-769-82020495 DateofReceipt:Jul.07,2026DateofTest:Jul.07,2026~Jul.21,2026 DateofIssue:Jul.22,2026TestResult:Pass ThisdevicedescribedabovehasbeentestedbyDongguanYaxu(AiT)TechnologyLimitedandthetest resultsshowthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditis applicableonlytothetestedsampleidentifiedinthereport. Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofDongguan Yaxu(AiT)TechnologyLimited,thisdocumentmaybealteredorrevisedbyDongguanYaxu(AiT) TechnologyLimited,personalonly,andshallbenotedintherevisionofthedocument.Thistest reportmustnotbeusedbytheclienttoclaimproductendorsement. Reviewedby:Approvedby: EmiyaLinSimbaHuang Page2of38ReportNo.:AiTDG-260707004W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 1Contents Page COVERPAGE 1CONTENTS2 2TESTSUMMARY4 2.1StatementoftheMeasurementUncertainty4 2.2MeasurementUncertainty4 3TESTFACILITY5 3.1Deviationfromstandard5 3.2Abnormalitiesfromstandardconditions5 3.3TestLocation5 4GENERALINFORMATION6 4.1Testfrequencies7 4.2EUTPeripheralList8 4.3TestPeripheralList8 4.4TESTMETHODOLOGY9 4.5DescriptionofTestModes10 5EQUIPMENTUSEDDURINGTEST11 6TESTRESULTSANDMEASUREMENTDATA13 6.1Antennarequirement13 6.2PeakPowerMeasurement14 6.3FrequencySeparationand20dBBandwidth15 6.4NumberofHoppingFrequency17 6.5TimeofOccupancy(DwellTime)18 6.6ConductedSpuriousEmissionsandBandEdgesTest20 6.7Restrict-bandBand-edgeMeasurements22 6.8RadiatedEmissionsMeasurement24 6.9ConductedEmissions34 6.10Pseudorandomfrequencyhoppingsequence37 7TESTSETUPPHOTOGRAPHSOFEUT38 8EXTERNALPHOTOGRAPHSOFEUT38 9INTERNALPHOTOGRAPHSOFEUT38 Page3of38ReportNo.:AiTDG-260707004W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. REPORTREVISERECORD Report Version ReviseTimeIssuedDateValidVersionNotes V1.0/Jul.22,2026ValidInitialrelease Page4of38ReportNo.:AiTDG-260707004W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 2TestSummary TestItemSectioninCFR47Result MaximumConductedOutputPower§15.247(b)Pass 20dBBandwidth§15.247(a)Pass FrequencySeparation§15.247(a)Pass NumberOfHoppingFrequency§15.247(a)Pass TimeOfOccupancy (DwellTime) §15.247(a)Pass ConductedSpuriousEmissionsand BandEdgesEmissions §15.205,§15.247(d)Pass RadiatedSpuriousEmissions§15.209,§15.247(d)Pass EmissionsatRestrictedBand§15.205Pass ACMainsConductedEmissions§15.207(a)Pass AntennaRequirements§15.203Pass Note 1.TestaccordingtoANSIC63.10:2020. 2.Themeasurementuncertaintyisnotincludedinthetestresult. 3.Testresultsinothertestreport(RFExposureEvaluationReport) 2.1StatementoftheMeasurementUncertainty Thedataandresultsreferencedinthisdocumentaretrueandaccurate.Thereaderiscautionedthat theremaybeerrorswithinthecalibrationlimitsoftheequipmentandfacilities.Themeasurement uncertaintywascalculatedforallmeasurementslistedinthistestreportacc.ToCISPR16–4 “Specificationforradiodisturbanceandimmunitymeasuringapparatusandmethods–Part4: UncertaintyinEMCMeasurements”andisdocumentedintheAiTqualitysystemacc.ToDINEN ISO/IEC17025.Furthermore,componentandprocessvariabilityofdevicessimilartothattestedmay resultinadditionaldeviation.Themanufacturerhasthesoleresponsibilityofcontinuedcomplianceof thedevice. 2.2MeasurementUncertainty TestItemFrequencyRangeMeasurementUncertaintyNotes RadiatedEmission0.009MHz-30MHz3.10dB(1) RadiatedEmission30MHz-1GHz3.75dB(1) RadiatedEmission1GHz-18GHz3.88dB(1) RadiatedEmission18GHz-40GHz3.88dB(1) ACPowerLineConducted Emission 0.15MHz~30MHz1.20dB(1) Note(1):Themeasurementuncertaintyisforcoveragefactorofk=2andalevelofconfidenceof95%. Page5of38ReportNo.:AiTDG-260707004W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 3TestFacility Thetestfacilityisrecognized,certifiedoraccreditedbythefollowingorganizations: CNAS-RegistrationNo:L6177 DongguanYaxu(AiT)technologyLimitedisaccreditedtoISO/IEC17025:2017generalRequirements forthecompetenceoftestingandcalibrationlaboratories(CNAS-CL01AccreditationCriteriaforthe competenceoftestingandcalibrationlaboratories)onApril18,2022 FCC-RegistrationNo.:362653DesignationNumber:CN1457 DongguanYaxu(AiT)technologyLimitedhasbeenregisteredandfullydescribedinareportfiledwith the(FCC)FederalCommunicationsCommission.TheacceptanceletterfromtheFCCismaintained inourfiles. IC-RegistrationNo.:6819ACABidentifier:CN0122 The3mSemi-anechoicchamberofDongguanYaxu(AiT)technologyLimitedhasbeenregisteredby CertificationandEngineeringBureauofIndustryCanadaforradioequipmenttestingwithRegistration No.:6819A A2LA-LabCert.No.:6317.01 DongguanYaxu(AiT)technologyLimitedhasbeenaccreditedbyA2LAfortechnicalcompetencein thefieldofelectricaltesting,andprovedtobeincompliancewithISO/IEC17025:2017General RequirementsfortheCompetenceofTestingandCalibrationLaboratoriesandanyadditional programrequirementsintheidentifiedfieldoftesting. 3.1Deviationfromstandard None 3.2Abnormalitiesfromstandardconditions None 3.3TestLocation DongguanYaxu(AiT)TechnologyLimited Address:No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan,Guangdong,China Tel.:+86-769-82020499 Fax.:+86-769-82020495 Page6of38ReportNo.:AiTDG-2…

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Inverted F Antenna Specification ITEMANT SPEC Model NamePASSIVE2.4G Center Frequency HorizontalVertical 2400MHz2400MHz2500MHz2400MHz2400MHz2500MHz -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length38.20mm Manufacture LANXUN TECHNOLOGY CO.,LTD Manufacture Room 803, Hengtemei Digital Printing Building, No.3 Ganli Road, Gankeng Community, Jihua Subdistrict, Longgang District, Shenzhen City, Guangdong Province, P.R.China Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div

DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-260707004W1 FCCID:2BSW8-FITBUDSH2 Page1of42 AppendixA RFTestDataforBT(BDR/EDR)(ConductedMeasurement) ProductName:FitBudsH2 TradeMark:Blackview TestModel:FitBudsH2 EnvironmentalConditions Temperature: 25.6C RelativeHumidity:52.1% ATMPressure:100.0kPa TestEngineer:EmiyaLin Supervisedby:SimbaHuang DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-260707004W1 FCCID:2BSW8-FITBUDSH2 Page2of42 Contents Page COVERPAGE 1DutyCycle........................................................................................................................................................................................3 1.1TestResult............................................................................................................................................................................3 1.2TestGraphs...........................................................................................................................................................................4 2MaximumConductedPeakOutputPower........................................................................................................................................7 2.1TestResult............................................................................................................................................................................7 2.2TestGraphs...........................................................................................................................................................................8 320dBBandwidth..............................................................................................................................................................................11 3.1TestResult..........................................................................................................................................................................11 3.2TestGraphs.........................................................................................................................................................................12 4CarrierFrequencySeparation.........................................................................................................................................................15 4.1TestResult..........................................................................................................................................................................15 4.2TestGraphs.........................................................................................................................................................................16 5HoppingChannelNumber...............................................................................................................................................................17 5.1TestResult..........................................................................................................................................................................17 5.2TestGraphs.........................................................................................................................................................................18 6DwellTime......................................................................................................................................................................................19 6.1TestResult..........................................................................................................................................................................19 6.2TestGraphs.........................................................................................................................................................................20 7RFConductedSpuriousEmissions.................................................................................................................................................22 7.1TestResult..........................................................................................................................................................................22 7.2TestGraphs.........................................................................................................................................................................23 8Band-edgeforRFConductedEmissions........................................................................................................................................29 8.1TestResult..........................................................................................................................................................................29 8.2TestGraphs.........................................................................................................................................................................30 9Restrict-bandband-edgemeasurements........................................................................................................................................38 9.1TestResult..........................................................................................................................................................................38 9.2TestGraphs.........................................................................................................................................................................39 DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-260707004W1 FCCID:2BSW8-FITBUDSH2 Page3of42 1DutyCycle 1.1TestResult ModeFrequency(MHz)DutyCycle(%)Correction Factor 1/T(kHz) 1-DH1240233.64.742.44 1-DH1244132.814.842.5 1-DH1248033.614.742.44 2-DH1240234.44.632.38 2-DH1244133.694.732.44 2-DH1248034.44.632.38 DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-260707004W1 FCCID:2BSW8-FITBUDSH2 Page4of42 1.2TestGraphs TestGraphs 1-DH12402MHz 1-DH12441MHz DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-260707004W1 FCCID:2BSW8-FITBUDSH2 Page5of…

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Page1of2 FCCID:2BSW8-FITBUDSH2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TestSetupPhoto RadiatedEmission Page2of2 FCCID:2BSW8-FITBUDSH2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. ConductedEmission RFConduction ------End------