2A8MIMZX6200Bluetooth earbuds

JiangsuYixinElectrinicTechnologyCo.,Ltd 2023.07.12 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(i)requestforFCCID：2A8MIMZX6200 JiangsuYixinElectrinicTechnologyCo.,Ltdcertifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Sincerely, XiangxuZhu JiangsuYixinElectrinicTechnologyCo.,Ltd 2023.07.12 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(ii)requestforFCCID：2A8MIMZX6200 JiangsuYixinElectrinicTechnologyCo.,Ltdcertifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredListasanentityproducing “covered”equipment. Sincerely, XiangxuZhu

2023.07.12 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:CONFIDENTIALITYREQUESTFOR ( ProductName:Bluetoothearbuds ModelNumber :MZX6200-BLK,MZX6200-WHT,MZX6200-TRD, MZX6200-PERI FCCID:2A8MIMZX6200 Preparedfor:JiangSuYisinTechCo.,Ltd Address:Rm.103,Bldg.1,No.10,WenzhouRd.,ETDZ, ShuyangCounty,Suqian,Jiangsu,CN ) ToWhomItMayConcern: Thisletterservesasanofficialrequestforconfidentialityundersections0.457and0.459 ofCFR47.Wehaverequestedthatthe(BlockDiagram,Schematics,Operational Description)requiredtobesubmittedwiththisapplicationbepermanentlywithheld frompublicreview. SPECIFYREASONFORREQUEST(Theabovematerialscontaintradesecrets andproprietaryinformationnotcustomarilyreleasedtothepublic.Thepublic disclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors.) Pleasecontactmeifthereisanyinformationyoumayneed. Sincerely, XiangxuZhu

ReportNo.EDG2303220128E013Page1of3Ver.1.0 FCCID:2A8MIMZX6200 ReportNo.EDG2303220128E013Page2of3Ver.1.0 ReportNo.EDG2303220128E013Page3of3Ver.1.0

Model: MZX6200 Input: 5V 100mA MID#: 682XX23 MADE IN CHINA 12mm 3mm 11mm 5.8mm PANTONE 877C Hydrabuds ANC 46.81±0.15 57.38±0.15 Hydrabuds ANC For all 4 colors - silk screen print to be in Silver 877c. Model: MZX6200 Input: 5V 100mA MID#: 682XX23 MADE IN CHINA The spare part of the headset is too small, FCC ID: 2A8MIMZX6200 is placed in the manual and the outer packaging

ReportNo.EDG2303220128E013Page1of6Ver.1.0 FCCID:2A8MIMZX6200 ReportNo.EDG2303220128E013Page2of6Ver.1.0 ReportNo.EDG2303220128E013Page3of6Ver.1.0 ReportNo.EDG2303220128E013Page4of6Ver.1.0 ReportNo.EDG2303220128E013Page5of6Ver.1.0 ReportNo.EDG2303220128E013Page6of6Ver.1.0 ANT

ReportNo.EDG2303220128E01302RPage1of7Ver.1.0 TESTREPORT ProductName：Bluetoothearbuds ModelNumber： MZX6200,MZX6200-XXX(X=A-Z), MZX6200-BLK,MZX6200-WHT,MZX6200-TRD, MZX6200-PERI FCCID：2A8MIMZX6200 Preparedfor:JiangSuYisinTechCo.,Ltd Address:Rm.103,Bldg.1,No.10,WenzhouRd.,ETDZ,Shuyang County,Suqian,Jiangsu,CN 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:EDG2303220128E01302R Date(s)ofTests:March22,2023toApril24,2023 Dateofissue:April24,2023 $二维码$ ReportNo.EDG2303220128E01302RPage2of7Ver.1.0 TableofContents 1.TESTRESULTCERTIFICATION...............................................................................................................................................3 2.EUTSPECIFICATION.................................................................................................................................................................5 3.TESTREQUIREMENT................................................................................................................................................................6 4.MEASUREMENTRESULT.........................................................................................................................................................6 ReportNo.EDG2303220128E01302RPage3of7Ver.1.0 1.TESTRESULTCERTIFICATION Applicant:JiangSuYisinTechCo.,Ltd Address: Rm.103,Bldg.1,No.10,WenzhouRd.,ETDZ,ShuyangCounty,Suqian, Jiangsu,CN Manufacturer:SakarInternationalInc. Address: 195CarterDriveEdison,NewJersey08817,USA Factory:ShenzhenAsiaUniversalTechnologyCo.,Ltd. Address: Room05,22ndFloor,YishangCenter,No.22,JiaanSouthRoad,Baoan District,Shenzhen,China EUT:Bluetoothearbuds ModelName: MZX6200,MZX6200-XXX(X=A-Z),MZX6200-BLK,MZX6200-WHT, MZX6200-TRD,MZX6200-PERI Trademark:AltecLansing 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:March22,2023toApril24,2023 Preparedby: XiaYang/Editor Reviewer: TimDong/Supervisor Approve&AuthorizedSigner:SamLv/Manager ReportNo.EDG2303220128E01302RPage4of7Ver.1.0 ModifiedHistory VersionReportNo.RevisionDateSummary EDG2303220128E01302R/OriginalReport ReportNo.EDG2303220128E01302RPage5of7Ver.1.0 2. EUTSpecification CharacteristicsDescription Product:Bluetoothearbuds ModelNumber: MZX6200,MZX6200-XXX(X=A-Z),MZX6200-BLK,MZX6200-WHT, MZX6200-TRD,MZX6200-PERI Allproductsarethesame,onlythemodelnumberandcolorofappearance aredifferent HereweselectedMZX6200forallthetest Theprinciplediagramoftheleftandrightheadphonesisthesame,onlythere aredifferencesinthewiringandcontrolsoftware,andbothheadphonesare testedincludeConductedEmission,RadiatedSpuriousEmissionsbelow 1GHzandMaximumPeakConductedOutputPower.Otherprojectschose theleftearphonefortestingbecauseMaximumPeakConductedOutput Powerisgreaterthantherightearphone Sample:1# DataRate: 1MbpsforGFSKmodulation 2Mbpsforπ/4-DQPSKmodulation 3Mbpsfor8DPSKmodulation Modulation: GFSK,π/4-DQPSK,8DPSK OperatingFrequency Range(s): 2402-2480MHz NumberofChannels: 79channels TransmitPowerMax: 1.97dBm(0.001574W) AntennaGain:1.59dBi Powersupply: DC3.7Vfrombattery Evaluationapplied:MPEEvaluation SAREvaluation ReportNo.EDG2303220128E01302RPage6of7Ver.1.0 3. TestRequirement SAREvaluation Accordingto447498D01V06,systemsoperatingundertheprovisionsofthissectionshallbeoperatedina mannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,usingmeasurementsorcomputer simulation.WhenroutineSARevaluationisnotrequired,portabletransmitterswithoutputpowergreaterthan theapplicablelowthresholdrequireSARevaluationtoqualityforTCBapproval. OneantennaisavailablefortheEUT.Theminimumseparationdistanceis5mm. ReportNo.EDG2303220128E01302RPage7of7Ver.1.0 4. MeasurementResult Antennagain:1.59dBi Testresultsfortheleftearphone: Mode Channel Frequency (MHz) Measured Power (dBm) E.I.R.P (dBm) Tune upPower (dBm) Maxtuneup power(dBm) Calculation Result 1-gSAR GFSK 2402-0.041.551±120.49126583 2441-0.401.191±120.49523793 24801.052.642±130.62842843 pi/4-DQPS K 24020.462.052±130.61846703 24410.311.901±120.49523793 24801.653.243±140.79114453 8-DPSK 24020.742.332±130.61846703 24410.632.222±130.62346763 24801.973.563±140.79114453 Testresultsfortherightearphone: Mode Channel Frequency (MHz) Measured Power (dBm) E.I.R.P (dBm) Tune upPower (dBm) Maxtuneup power(dBm) Calculation Result 1-gSAR GFSK 24020.442.032±130.61846703 24410.291.881±120.49523793 24800.422.012±130.62842843 pi/4-DQPS K 24021.142.732±130.61846703 24411.122.712±130.62346763 24801.172.762±130.62842843 8-DPSK 24021.623.213±140.77860383 24411.433.023±140.78489923 24801.583.173±140.79114453 AccordingtoKDB447498,nostand-alonerequiredforBTantenna,andnosimultaneousSARmeasurementis required. ***EndofReport***

ShenzhenHoogwellCommunicationTechnologyCo.,Ltd. AntennaSpecification SuppliernameShenzhenHoogwellCommunicationTechnologyCo.,Ltd. Supplieraddress Room230ZhihuiCreative,No2005,ShajingXihuanRoad,Baoan District,Shenzhen,Guangdong Productmodelah148-2.4GFPCANT ProductNameah148-BT-L-04 Applicationah148 Sampledeliverytime2023-03-13 Customermaterialcode SupplierProjectContact MingqiuLiu PhoneNumber 18576402166 Supplier confirmation RFMDQualityAudit Customer confirmation RFMDQualityAudit ShenzhenHoogwellCommunicationTechnologyCo.,Ltd. Directory 1.Cover 2.Specifications 3.Electricalperformance 4.Structuraldrawing 5.AppearanceandPerformanceTestReport 6.ProductSpecificationSizeTestReport 7.MaterialCompositionDeclarationForm 8.Processflowchart Description: 1.Thesamplesandtheacknowledgmentshallbemadeinquadruplicaterespectively.Eachsampleshallbenailedon thetopleftcorneroftheacknowledgmentcoverandsealedwithelectrostaticbag(electronicmaterial)orthickPP bag. ShenzhenHoogwellCommunicationTechnologyCo.,Ltd. 1.Thereportmainlyprovidestestdataofpassiveperformanceparametersof AH148LBTantenna, ThefrequencybandofAH148BTis2.4-2.483GHz. Theantennasampleisshowninpicture(1). picture(1) 2Electricalperformance 2-1Specification AH148LBTantennaoperatingfrequencyband2.4~2.483GHz. BelowtableisthereturnlossperformancetestindexofAH148LBTantenna. Frequencyband(MHz)Returnloss(dB) 2400~2483≤-6dB ShenzhenHoogwellCommunicationTechnologyCo.,Ltd. 2-2AH148LBTAntennaMatchingCircuit 3ReturnLossTest 3-1Testsetup ReturnLossTestSetup ShenzhenHoogwellCommunicationTechnologyCo.,Ltd. 3-2ReturnLossTestData Asshowninthefollowingtable,thereturnlosstestdataoftheedgefrequency pointsoftheBTantenna. Band回波损耗（dB)ReturnLoss （dB） 2400~2500MHz24002485 FreespaceRL-7.6-6.3 3-3ReturnLoss ShenzhenHoogwellCommunicationTechnologyCo.,Ltd. 3-4PassiveEfficiency(freedSpace) frequency (MHz) 2400241024302440245024602470248024902500 gain(dBi) 0.731.051.231.471.591.250.780.60.13-0.59 efficiency ( %) 18.0919.4521.6924.624.8823.422.4520.3817.2317.16 3-5OTA L Channel 03978 TRP(dBm) -1.64-1.13-0.4 TIS(dBm) -82.43-83.11-82.76 3-6PolarGraphs ShenzhenHoogwellCommunicationTechnologyCo.,Ltd. 4.AntennaDrawings ShenzhenHoogwellCommunicationTechnologyCo.,Ltd. 5.AppearanceandFunctionTestReport ItemRequirementResults Appearanc eDateCode√YYWWWWYYOtherAccRej Inspection ULIndicationNA VisualInspection 100%visualinspectionandtallywithcustomer specification. √ AccRej Testing FPCO/STesting 100%visualinspectionandnoopen/shortis found. √AccRej InsulationResistance 1*108orhigherwhenDC500V NA SolderabilityTest Node-wettingornon-wettingisvisible. AccRej AdhesionTest Nomaterialshallbeattachedonthepeeledtape. Acc  Rej AuCoatingThk.Au:0.5-3u”Ni:100-150u”√AccRej Cannedsubstances Confirm Non-inclusionbannedsubstancescontainedin products √AccRej Heat-durability Tintemperature:280±5°C,immersiontime: 10sec Thebasematerial/protectivefilmshallbefreeof expansion,lifting,foamingandotherphenomena √AccRej Pullingtest0.5kg,30sec,noelectricalperformancedefect AccRej Bendingtest R=0.5mm,180°,10cyc,noelectrical performancedefectNA ShenzhenHoogwellCommunicationTechnologyCo.,Ltd. 6.ProductSizeTesting 一DimensionMeasured(unit:mm) Num.ItemRequirementMeasuredDataJudge 1 FPCBoardThk. AccRej 2 FPCBoardThk.ofFinger 3 Min.ConductorWidth AccRej 4 Min.ConductorSpacing AccRej 二HoleDiameterMeasured Tolerance：±0.05 Num. PTH/NPTH Requirement MeasuredData Judge 1 AccRej 2 AccRej 3 AccRej 三ProfileDimensionMeasured Num. Profile tolerance Requirement MeasuredData Judge 113.24±0.2 √ AccRej 210.34±0.2 3 4 5 6 ShenzhenHoogwellCommunicationTechnologyCo.,Ltd. 7.MaterialHomogeneousDeclarationForm ShenzhenHoogwellCommunicationTechnologyCo.,Ltd. 8.Processflowchart

ReportNo. EDG2303220128E01301RPage1 of 76Ver.1.0 TESTREPORT ProductName ： Bluetoothearbuds ModelNumber ： MZX6200,MZX6200-XXX(X=A-Z), MZX6200-BLK,MZX6200-WHT,MZX6200-TRD, MZX6200-PERI FCC ID ： 2A8MIMZX6200 Preparedfor:JiangSu YisinTechCo., Ltd Address:Rm. 103, Bldg.1, No. 10, WenzhouRd., ETDZ,Shuyang County,Suqian,Jiangsu,CN Preparedby:EMTEK(DONGGUAN)CO.,LTD. Address:-1&2/F.,Building2, ZoneA, ZhongdaMarineBiotechnology Researchand DevelopmentBase,No.9,XinchengAvenue, SongshanhuHigh-technologyIndustrialDevelopmentZone, Dongguan,Guangdong,China TEL:+86-0769-22807078 FAX:+86-0769-22807079 ReportNumber:EDG2303220128E01301R Date (s) of Test s:March22, 2023to April 24, 2023 Dateof issue:April 24, 2023 $二维码$ ReportNo. EDG2303220128E01301RPage2 of 76Ver.1.0 Tableof Contents 1 TESTRESULTCERTIFICATION..........................................................................................................................3 2 EUT TECHNICALDESCRIPTION.........................................................................................................................5 3 SUMMARYOF TESTRESULT.............................................................................................................................6 4 TESTMETHODOLOGY........................................................................................................................................7 4.1 GENERALDESCRIPTIONOF APPLIEDSTANDARDS...............................................................................7 4.2 MEASUREMENTEQUIPMENTUSED...........................................................................................................7 4.3 DESCRIPTIONOF TESTMODES.................................................................................................................8 4.4 TABLEOF PARAMETERSOF TEXTSOFTWARESETTING......................................................................8 5 FACILITIESANDACCREDITATIONS..................................................................................................................9 5.1 FACILITIES.....................................................................................................................................................9 5.2 EQUIPMENT...................................................................................................................................................9 5.3 LABORATORYACCREDITATIONSANDLISTINGS....................................................................................9 6 TESTSYSTEMUNCERTAINTY.........................................................................................................................10 7 SETUPOF EQUIPMENTUNDERTEST............................................................................................................11 7.1 RADIOFREQUENCYTESTSETUP1.........................................................................................................11 7.2 RADIOFREQUENCYTESTSETUP2.........................................................................................................11 7.3 CONDUCTEDEMISSIONTESTSETUP.....................................................................................................13 7.4 BLOCKDIAGRAMCONFIGURATIONOF TESTSYSTEM........................................................................14 7.5 SUPPORTEQUIPMENT..............................................................................................................................14 8 FREQUENCYHOPPINGSYSTEMREQUIREMENTS.......................................................................................15 8.1 StandardApplicable......................................................................................................................................15 8.2 EUT PseudorandomFrequencyHoppingSequence...................................................................................15 8.3 EqualHoppingFrequencyUse .....................................................................................................................16 8.4 FrequencyHoppingSystem..........................................................................................................................16 9 TESTREQUIREMENTS......................................................................................................................................17 9.1 20D B&99%BANDWIDTH..............................................................................................................................17 9.2 CARRIERFREQUENCYSEPARATION......................................................................................................29 9.3 NUMBEROF HOPPINGFREQUENCIES....................................................................................................32 9.4 AVERAGETIMEOF OCCUPANCY(DWELLTIME)...................................................................................35 9.5 MAXIMUMPEAKCONDUCTEDOUTPUTPOWER...................................................................................41 9.6 CONDUCTEDSUPRIOUSEMISSION.........................................................................................................52 9.7 RADIATEDSPURIOUSEMISSION.............................................................................................................62 9.8 CONDUCTEDEMISSIONTEST..................................................................................................................71 9.9 ANTENNAAPPLICATION............................................................................................................................74 ReportNo. EDG2303220128E01301RPage3 of 76Ver.1.0 1 TESTRESULTCERTIFICATION Applicant:JiangSu YisinTechCo., Ltd Address: Rm.103,Bldg.1, No. 10, WenzhouRd.,ETDZ,ShuyangCounty,Suqian, Jiangsu,CN Manufacturer:SakarInternationalInc. Address: 195 CarterDriveEdison,New Jersey08817,USA Factory:ShenzhenAsia UniversalTechnologyCo., Ltd. Address: Room05, 22ndFloor,YishangCenter,No. 22, JiaanSouthRoad,Baoan District,Shenzhen, China EUT:Bluetoothearbuds Mo…

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ReportNo.EDG2303220128E013Page1of2Ver.1.0 FCCID:2A8MIMZX6200 ReportNo.EDG2303220128E013Page2of2Ver.1.0