2ADM5-HP-0740BT 2 IN 1 HEADPHONE

ZeevaInternationalLimited Suite 1007B,10th Floor, ExchangeTower,33 Wang Chiu Road,KowloonBay, Hong Kong, China Date: [2024.05.27 ] FederalCommunicationsCommission Authorizationand EvaluationDivision 7435 OaklandMills Road Columbia, MD 21046 FCC ID :2ADM5-HP-0740 FRN: 0024102113 US Agent –AttestationStatement/ Part 2.911(d)(7) [ZeevaInternationalLimited]certifies,that as of [202 4.0 5.27 ], we have designatedFCC US Agent,LLC to acceptserviceof processon our behalffor FCC ID :2ADM5-HP-0740 [ZeevaInternationalLimited], acceptsto maintainan agent of serviceof processin the United Statesfor no less than one year after her the granteehas permanentlyterminatedall marketing and importationof the applicableequipmentwithin the U.S., or the conclusionof any Commissionrelatedadministrativeor judicialproeitceedinginvolvingthe equipment,whichever is later. FCC US Agent,LLC, acceptsas of the date of the filing of this application,the obligationof being the designatedagent for the purposeof acceptingserviceof processon behalfof [Zeeva InternationalLimited]for FCC ID :2ADM5-HP-0740 DesignatedAgentInformation: CompanyName:FCC US Agent,LLC FRN: 0033402884 Address:3722 IllinoisAvenue,Saint Charles,IL, 60174,USA ContactPerson:Tim Payne Phone:708-571-3148 Email:[email protected] Sincerely, Company:[ZeevaInternationalLimited]DesignatedAgent:FCC US Agent,LLC CompanyRepresentative:[KevinTso]DesignatedAgentRepresentative:Tim Payne Signature:[Signature]Signature:

Rev1/26/2023 (ZeevaInternationalLimited) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 USA Date:2024.07.04 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID：2ADM5-HP-0740 [ZeevaInternationalLimited](“theapplicant”)certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. Sincerely, (Applicantsignature) (KEVINTSO) Rev1/26/2023 (ZeevaInternationalLimited) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 USA Date:2024.07.04 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID：2ADM5-HP-0740 [ZeevaInternationalLimited](“theapplicant”)certifiesthat,asofthedateofthefilingoftheapplication, theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiaries oraffiliates)asanentityproducing“covered” equipment. Sincerely, (Applicantsignature) (KEVINTSO)

ZeevaInternationalLimited 2024.07.04 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:CONFIDENTIALITYREQUESTFOR( ProductName：BT2IN1HEADPHONE ModelNumber：HP-0740 FCCID：2ADM5-HP-0740 Applicant:ZeevaInternationalLimited Address: Suite1007B,10thFloor,ExchangeTower,33 WangChiuRoad,KowloonBay,HongKong, China ) ToWhomItMayConcern: Thisletterservesasanofficialrequestforconfidentialityundersections0.457and0.459 ofCFR47.Wehaverequestedthatthe(BlockDiagram,Schematics,Operational Description)requiredtobesubmittedwiththisapplicationbepermanentlywithheld frompublicreview. SPECIFYREASONFORREQUEST(Theabovematerialscontaintradesecrets andproprietaryinformationnotcustomarilyreleasedtothepublic.Thepublic disclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors.) Pleasecontactmeifthereisanyinformationyoumayneed. Sincerely, KEVINTSO Mustbesignedbytheapplicantcontactcitedastechnicalornon-technicalcontactonthe 731formprovidedtoEurofinsMETLabs,orbytheauthorizedagentifanappropriate authorizedagentletterhasbeenprovided.Letterssignedbytheapplicantshouldbe placedonapplicantletterhead.

ZeevaInternationalLimited 2024.07.04 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeSamLvatEMTEK(DONGGUAN)CO.,LTD.toacton ourbehalfinallmattersrelatingtoapplicationforequipmentauthorization,includingthesigning ofalldocumentsrelatingtothesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothe denialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseAct of1988,21U.S.C.853(a). Thisagreementexpiresoneyearfromthecurrentdate. Sincerely, KEVINTSO Mustbesignedbytheapplicantcontactcitedastechnicalornon-technicalcontactonthe 731formprovidedtoEurofinsMETLabs,orbytheauthorizedagentifanappropriate authorizedagentletterhasbeenprovided.Letterssignedbytheapplicantshouldbe placedonapplicantletterhead.

ReportNo.EDG2405300170E001Page1of4Ver.1.0 FCCID:2ADM5-HP-0740 ReportNo.EDG2405300170E001Page2of4Ver.1.0 ReportNo.EDG2405300170E001Page3of4Ver.1.0 ReportNo.EDG2405300170E001Page4of4Ver.1.0

ReportNo.EDG2405300170E001Page1of2Ver.1.0 FCCID:2ADM5-HP-0740 BTANT ReportNo.EDG2405300170E001Page2of2Ver.1.0

ReportNo.EDG2405300170E00102RPage1of7Ver.1.0 TESTREPORT ProductName：BT2IN1HEADPHONE ModelNumber：HP-0740 FCCID：2ADM5-HP-0740 Preparedfor:ZeevaInternationalLimited Address:Suite1007B,10thFloor,ExchangeTower,33WangChiu Road,KowloonBay,HongKong,China Preparedby:EMTEK(DONGGUAN)CO.,LTD. Address:-1&2/F.,Building2,ZoneA,ZhongdaMarineBiotechnology ResearchandDevelopmentBase,No.9,XinchengAvenue, SongshanhuHigh-technologyIndustrialDevelopmentZone, Dongguan,Guangdong,China TEL:+86-0769-22807078 FAX:+86-0769-22807079 ReportNumber:EDG2405300170E00102R Date(s)ofTests:May30,2024toJun20,2024 Dateofissue:Jun20,2024 $二维码$ ReportNo.EDG2405300170E00102RPage2of7Ver.1.0 TableofContents 1.TESTRESULTCERTIFICATION...............................................................................................................................................3 2.EUTSPECIFICATION.................................................................................................................................................................5 3.TESTREQUIREMENT................................................................................................................................................................6 4.MEASUREMENTRESULT.........................................................................................................................................................6 ReportNo.EDG2405300170E00102RPage3of7Ver.1.0 1.TESTRESULTCERTIFICATION Applicant:ZeevaInternationalLimited Address: Suite1007B,10thFloor,ExchangeTower,33WangChiuRoad,KowloonBay, HongKong,China Manufacturer:ZeevaInternationalLimited Address: Suite1007B,10thFloor,ExchangeTower,33WangChiuRoad,KowloonBay, HongKong,China EUT:BT2IN1HEADPHONE ModelName:HP-0740 Trademark:N/A MeasurementProcedureUsed: APPLICABLESTANDARDS STANDARDTESTRESULT §15.247(i),§2.1093 PASS TheaboveequipmentwastestedbyEMTEK(DONGGUAN)CO.,LTD.Thetestdata,dataevaluation,test procedures,andequipmentconfigurationsshowninthisreportweremadeinaccordancewiththeprocedures giveninANSIC63.10(2013)andtheenergyemittedbythesampleEUTtestedasdescribedinthisreportisin compliancewiththerequirementsofFCCRulesFCC§15.247(i),§2.1093. Thetestresultsofthisreportrelateonlytothetestedsampleidentifiedinthisreport DateofTest:May30,2024toJun20,2024 Preparedby: WarrenDeng/Editor Reviewer: TimDong/Supervisor Approve&AuthorizedSigner: SamLv/Manager ReportNo.EDG2405300170E00102RPage4of7Ver.1.0 ModifiedHistory VersionReportNo.RevisionDateSummary EDG2405300170E00102R/OriginalReport ReportNo.EDG2405300170E00102RPage5of7Ver.1.0 2. EUTSpecification CharacteristicsDescription Product:BT2IN1HEADPHONE ModelNumber:HP-0740 SKU:9074038,9158805,9158806 UPC:1922344919949,1922340378191,1922340378207 COLOR:BLUE,RED,BLACKMULTI Sample:1# DataRate: 1MbpsforGFSKmodulation 2Mbpsforπ/4-DQPSKmodulation 3Mbpsfor8DPSKmodulation Modulation: GFSK,π/4-DQPSK,8DPSK OperatingFrequency Range(s): 2402-2480MHz NumberofChannels: 79channels TransmitPowerMax: -6.84dBm(0.000207W) AntennaGain:-5.24dBi Powersupply: DC5VfromUSB DC3.7Vfrombattery Evaluationapplied:MPEEvaluation SAREvaluation ReportNo.EDG2405300170E00102RPage6of7Ver.1.0 3. TestRequirement SAREvaluation Accordingto447498D01V06,systemsoperatingundertheprovisionsofthissectionshallbeoperatedina mannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,usingmeasurementsorcomputer simulation.WhenroutineSARevaluationisnotrequired,portabletransmitterswithoutputpowergreaterthan theapplicablelowthresholdrequireSARevaluationtoqualityforTCBapproval. OneantennaisavailablefortheEUT.Theminimumseparationdistanceis5mm. ReportNo.EDG2405300170E00102RPage7of7Ver.1.0 4. MeasurementResult Antennagain:-5.24dBi Transmit Frequency( MHz) Mode Measured Power (dBm) Tune upPower (dBm) Maxtuneup power(dBm) Calculatio nResult Calculation threshold(1 -gSAR) 2402GFSK -7.07 -7±1-6 0.07793 2441GFSK -8.16-8±1-70.06233 2480GFSK -9.00-9±1-80.04993 2402Π/4-DQPSK -7.03-7±1-60.07793 2441Π/4-DQPSK -8.18-8±1-70.06233 2480Π/4-DQPSK -8.15-8±1-70.06283 24028DPSK -6.84-6±1-50.09803 24418DPSK -7.73-7±1-60.07853 24808DPSK -8.16-8±1-70.06283 AccordingtoKDB447498D01V06,nostand-alonerequiredforBTantenna,andnosimultaneousSAR measurementisrequired. ***EndofReport***

Frequenc Antenna Specification yPercenGain 24009.77345%-5.24423 24508.7317%-5.66663 25008.57414%-5.9616 Manufacture Shenzhen Bluetrum Technology Co.. Ltd No. 4068, Qiaoxiang Road, Gaofa Community, Shahe Street, Nanshan District, Shenzhen 13th floor, Unit 1, Building A, Plaza Antenna Photo & Length (mm)

ReportNo.EDG2405300170E00101RPage1of74Ver.1.0 TESTREPORT ProductName：BT2IN1HEADPHONE ModelNumber：HP-0740 FCCID：2ADM5-HP-0740 Preparedfor:ZeevaInternationalLimited Address:Suite1007B,10thFloor,ExchangeTower,33WangChiu Road,KowloonBay,HongKong,China Preparedby:EMTEK(DONGGUAN)CO.,LTD. Address:-1&2/F.,Building2,ZoneA,ZhongdaMarineBiotechnology ResearchandDevelopmentBase,No.9,XinchengAvenue, SongshanhuHigh-technologyIndustrialDevelopmentZone, Dongguan,Guangdong,China TEL:+86-0769-22807078 FAX:+86-0769-22807079 ReportNumber:EDG2405300170E00101R Date(s)ofTests:May30,2024toJun20,2024 Dateofissue:Jun20,2024 $二维码$ ReportNo.EDG2405300170E00101RPage2of74Ver.1.0 TableofContents 1TESTRESULTCERTIFICATION..................................................................................................................................................3 2EUTTECHNICALDESCRIPTION.................................................................................................................................................5 3SUMMARYOFTESTRESULT.....................................................................................................................................................6 4TESTMETHODOLOGY.................................................................................................................................................................7 4.1GENERALDESCRIPTIONOFAPPLIEDSTANDARDS......................................................................................................7 4.2MEASUREMENTEQUIPMENTUSED..................................................................................................................................7 4.3DESCRIPTIONOFTESTMODES..........................................................................................................................................8 5FACILITIESANDACCREDITATIONS........................................................................................................................................9 5.1FACILITIES..............................................................................................................................................................................9 5.2EQUIPMENT............................................................................................................................................................................9 5.3LABORATORYACCREDITATIONSANDLISTINGS.........................................................................................................9 6TESTSYSTEMUNCERTAINTY.................................................................................................................................................10 7SETUPOFEQUIPMENTUNDERTEST.....................................................................................................................................11 7.1RADIOFREQUENCYTESTSETUP1.................................................................................................................................11 7.2RADIOFREQUENCYTESTSETUP2.................................................................................................................................11 7.3CONDUCTEDEMISSIONTESTSETUP.............................................................................................................................13 7.4BLOCKDIAGRAMCONFIGURATIONOFTESTSYSTEM.............................................................................................14 7.5SUPPORTEQUIPMENT........................................................................................................................................................14 8FREQUENCYHOPPINGSYSTEMREQUIREMENTS...............................................................................................................15 8.1StandardApplicable.................................................................................................................................................................15 8.2EUTPseudorandomFrequencyHoppingSequence................................................................................................................15 8.3EqualHoppingFrequencyUse................................................................................................................................................16 8.4FrequencyHoppingSystem.....................................................................................................................................................16 9TESTREQUIREMENTS...............................................................................................................................................................17 9.120DB&99%BANDWIDTH.....................................................................................................................................................17 9.2CARRIERFREQUENCYSEPARATION..............................................................................................................................28 9.3NUMBEROFHOPPINGFREQUENCIES............................................................................................................................31 9.4AVERAGETIMEOFOCCUPANCY(DWELLTIME)........................................................................................................34 9.5MAXIMUMPEAKCONDUCTEDOUTPUTPOWER.........................................................................................................44 9.6CONDUCTEDSUPRIOUSEMISSION.................................................................................................................................50 9.7RADIATEDSPURIOUSEMISSION.....................................................................................................................................60 9.8CONDUCTEDEMISSIONTEST...........................................................................................................................................69 9.9ANTENNAAPPLICATION.............................................................…

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ReportNo.EDG2405300170E00101RPage40of74Ver.1.0 2DH5-Ant1-Hop-PASS ReportNo.EDG2405300170E00101RPage41of74Ver.1.0 3DH1-Ant1-Hop-PASS ReportNo.EDG2405300170E00101RPage42of74Ver.1.0 3DH3-Ant1-Hop-PASS ReportNo.EDG2405300170E00101RPage43of74Ver.1.0 3DH5-Ant1-Hop-PASS ReportNo.EDG2405300170E00101RPage44of74Ver.1.0 9.5MAXIMUMPEAKCONDUCTEDOUTPUTPOWER 9.5.1ApplicableStandard AccordingtoFCCPart15.247(b)(1)andKDB558074D0115.247MEASGUIDANCEv05r02 AccordingtoICRSS-247.5.4andRSS-Gen6.12 9.5.2ConformanceLimit ThemaxForfrequencyhoppingsystemsoperatinginthe2400-2483.5MHzbandemployingatleast75 non-overlappinghoppingchannels:1watt.Forallotherfrequencyhoppingsystemsinthe2400-2483.5MHzband: 0.125watts. 9.5.3TestConfiguration Testaccordingtoclause7.1radiofrequencytestsetup1 9.5.4TestProcedure Asanalternativetoapeakpowermeasurement,compliancewiththelimitcanbebasedonameasurementofthe maximumconductedoutputpower. Usethefollowingspectrumanalyzersettings: SetSpan=approximately5timesthe20dBbandwidth,centeredonahoppingchannel(about8MHz) SetRBW>the20dBbandwidthoftheemissionbeingmeasured(about3MHz) SetVBW  RBW SetSweep=auto SetDetectorfunction=peak SetTrace=maxhold Allowthetracetostabilize.Usethemarker-to-peakfunctiontosetthemarkertothepeakoftheemissionto determinethepeakamplitudelevel. TestResults Temperature: 25 ̊ C RelativeHumidity:45% ATMPressure:1011mbar Note:N/A Test Mode AntennaFrequency[MHz] ConductedPeak Powert[dBm] Conducted Limit[dBm] Verdict DH5Ant12402-7.07≤20.97PASS DH5Ant12441-8.16≤20.97PASS DH5Ant12480-9.00≤20.97PASS 2DH5Ant12402-7.03≤20.97PASS 2DH5Ant12441-8.18≤20.97PASS 2DH5Ant12480-8.15≤20.97PASS 3DH5Ant12402-6.84≤20.97PASS 3DH5Ant12441-7.73≤20.97PASS 3DH5Ant12480-8.16≤20.97PASS ReportNo.EDG2405300170E00101RPage45of74Ver.1.0 DH5-Ant1-2402-PASS DH5-Ant1-2441-PASS ReportNo.EDG2405300170E00101RPage46of74Ver.1.0 DH5-Ant1-2480-PASS 2DH5-Ant1-2402-PASS ReportNo.EDG2405300170E00101RPage47of74Ver.1.0 2DH5-Ant1-2441-PASS 2DH5-Ant1-2480-PASS ReportNo.EDG2405300170E00101RPage48of74Ver.1.0 3DH5-Ant1-2402-PASS 3DH5-Ant1-2441-PASS ReportNo.EDG2405300170E00101RPage49of74Ver.1.0 3DH5-Ant1-2480-PASS ReportNo.EDG2405300170E00101RPage50of74Ver.1.0 9.6CONDUCTEDSUPRIOUSEMISSION 9.6.1ApplicableStandard AccordingtoFCCPart15.247(d)andKDB558074D0115.247MEASGUIDANCEv05r02 AccordingtoICRSS-2475.5 9.6.2ConformanceLimit Inany100kHzbandwidthoutsidethefrequencybandinwhichthespreadspectrumintentionalradiatoris operating,theradiofrequencypowerthatisproducedbytheintentionalradiatorshallbeatleast20dBbelowthat inthe100kHzbandwidthwithinthebandthatcontainsthehighestlevelofthedesiredpower,basedoneitheran RFconducted,providedthetransmitterdemonstratescompliancewiththepeakconductedpowerlimits. 9.6.3TestConfiguration Testaccordingtoclause7.1radiofrequencytestsetup1 9.6.4TestProcedure Thetransmitteroutput(antennaport)wasconnectedtothespectrumanalyzer Referencelevelmeasurement Establishareferencelevelbyusingthefollowingprocedure: SetinstrumentcenterfrequencytoDSSchannelcenterfrequency. SetSpan=approximately5timesthe20dBbandwidth,centeredonahoppingchannel. SettheRBW=100kHz.SettheVBW≥3xRBW. SetDetector=peak.SetSweeptime=autocouple. SetTracemode=maxhold.Allowtracetofullystabilize. UsethepeakmarkerfunctiontodeterminethemaximumMaximumconducetedlevel. Notethatthechannelfoundtocontainthemaximumconducetedlevelcanbeusedtoestablishthereference level. Band-edgemeasurement Usethefollowingspectrumanalyzersettings: Span=wideenoughtocapturethepeakleveloftheemissionoperatingonthechannelclosesttotheband-edge, aswellasanymodulationproductswhichfalloutsideoftheauthorizedbandofoperation SetRBW  1%ofthespan=100kHzSetVBW  3xRBW SetSweep=autoSetDetectorfunction=peakSetTrace=maxhold Allowthetracetostabilize.Setthemarkerontheemissionatthebandedge,oronthehighestmodulation productoutsideoftheband,ifthislevelisgreaterthanthatatthebandedge.Enablethemarker-deltafunction, thenusethemarker-to-peakfunctiontomovethemarkertothepeakofthein-bandemission.Themarker-delta valuenowdisplayedmustcomplywiththelimitspecifiedinthisSection. Now,usingthesameinstrumentsettings,enablethehoppingfunctionoftheEUT.Allowthetracetostabilize. Followthesameprocedurelistedabovetodetermineifanyspuriousemissionscausedbythehoppingfunction alsocomplywiththespecifiedlimit. Emissionlevelmeasurement Usethefollowingspectrumanalyzersettings: Span=wideenoughtocapturethepeaklevelofthein-bandemissionandallspuriousemissions(e.g.,harmonics) fromthelowestfrequencygeneratedintheEUTupthroughthe10thharmonic.(30MHzto25GHz).SetRBW= 100kHzSetVBW  RBW SetSweep=autoSetDetectorfunction=peakSetTrace=maxhold Allowthetracetostabilize.Setthemarkeronthepeakofanyspuriousemissionrecorded.Theleveldisplayed mustcomplywiththelimitspecifiedinthisSection. ReportNo.EDG2405300170E00101RPage51of74Ver.1.0 9.6.5TestResults Temperature: 25 ̊ C RelativeHumidity:45% ATMPressure:1011mbar Note:N/A Alltheantennaandmodesmodehavebeentested,andtheworstresultrecordedwasreportasbelow: Bandedgemeasurements TestModeAntennaChNameFrequency[MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1Low2402-8.43-48.58≤-28.43PASS DH5Ant1High2480-11.01-49.24≤-31.01PASS DH5Ant1LowHop_2402-9.05-46.32≤-29.05PASS DH5Ant1HighHop_2480-9.91-47.89≤-29.91PASS ReportNo.EDG2405300170E00101RPage52of74Ver.1.0 DH5-Ant1-2402-PASS DH5-Ant1-2480-PASS ReportNo.EDG2405300170E00101RPage53of74Ver.1.0 DH5-Ant1-Hop_2402-PASS DH5-Ant1-Hop_2480-PASS ReportNo.EDG2405300170E00101RPage54of74Ver.1.0 ConductedSpuriousEmission TestModeAntennaFrequency[MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant124020~Reference-9.43-9.43---PASS DH5Ant1240230~1000-9.43-60.73≤-29.43PASS DH5Ant124021000~26500-9.43-46.42≤-29.43PASS DH5Ant124410~Reference-9.98-9.98---PASS DH5Ant1244130~1000-9.98-60.95≤-29.98PASS DH5Ant124411000~26500-9.98-45.84≤-29.98PASS DH5Ant124800~Reference-11.35-11.35---PASS DH5Ant1248030~1000-11.35-61.76≤-31.35PASS DH5Ant124801000~26500-11.35-51.48≤-31.35PASS ReportNo.EDG2405300170E00101RPage55of74Ver.1.0 DH5-Ant1-2402-0~Reference-PASS DH5-Ant1-240…

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ReportNo.EDG2405300170E001Page1of2Ver.1.0 FCCID:2ADM5-HP-0740 ReportNo.EDG2405300170E001Page2of2Ver.1.0