2AL9B-MZX009NBluetooth Headphone

TYPE-C Charging cable FCC Radiation Exposure Statement: The device has been evaluated to meet general RF exposure requirement. The device can be used in the portable exposure condition without restriction.

Rev1/26/2023 (ShenzhenShenglaiTechnologyCo.,Limited) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:09-12-2023 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID：2AL9B-MZX009N [ShenzhenShenglaiTechnologyCo.,Limited](“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. Sincerely, (Applicantsignature) (LeoGuo) Rev1/26/2023 (ShenzhenShenglaiTechnologyCo.,Limited) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:09-12-2023 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID：2AL9B-MZX009N [ShenzhenShenglaiTechnologyCo.,Limited](“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityorany ofitssubsidiariesoraffiliates)asanentityproducing“covered” equipment. Sincerely, (Applicantsignature) (LeoGuo)

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Declarationonmodeldifference Wetheundersignedherebyconfirmthatthesemodelsareidentical,andallmodelshavethesame RFmodule,PCBlayout,Antenna,schematicsandcomponent.Onlydifferentonmodelname. ProductionnameTrademarkFCCModelno. BluetoothHeadphoneN/A2AL9B-MZX009NMZX009N,MZX009, MZX009-BLK, MZX009N-BLK Confirmedby: LeoGuo SHENZHENSHENGLAITECHNOLOGYCO.,LIMITED 2023-09-13

Pleaseproducealetteronyourcompanyletterheadwiththefollowinginformation.The lettermustbesubmittedinPDFform. 2023.09.13 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:CONFIDENTIALITYREQUESTFOR( ProductName：BluetoothHeadphone ModelNumber ： MZX009N,MZX009,MZX009-BLK,MZX009N- BLK FCCID：2AL9B-MZX009N ) ToWhomItMayConcern: Thisletterservesasanofficialrequestforconfidentialityundersections0.457and0.459 ofCFR47.Wehaverequestedthatthe(BlockDiagram,Schematics,Operational Description)requiredtobesubmittedwiththisapplicationbepermanentlywithheld frompublicreview. SPECIFYREASONFORREQUEST(Theabovematerialscontaintradesecrets andproprietaryinformationnotcustomarilyreleasedtothepublic.Thepublic disclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors.) Pleasecontactmeifthereisanyinformationyoumayneed. Sincerely, LeoGuo SHENZHENSHENGLAITECHNOLOGYCO.,LIMITED Mustbesignedbytheapplicantcontactcitedastechnicalornon-technicalcontactonthe 731formprovidedtoEurofinsMETLabs,orbytheauthorizedagentifanappropriate authorizedagentletterhasbeenprovided.Letterssignedbytheapplicantshouldbe placedonapplicantletterhead.

SHENZHENSHENGLAITECHNOLOGYCO.,LIMITED 2023.09.13 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, LeoGuo SHENZHENSHENGLAITECHNOLOGYCO.,LIMITED Mustbesignedbytheapplicantcontactcitedastechnicalornon-technicalcontactonthe 731formprovidedtoEurofinsMETLabs,orbytheauthorizedagentifanappropriate authorizedagentletterhasbeenprovided.Letterssignedbytheapplicantshouldbe placedonapplicantletterhead.

ReportNo.EDG2308240208E001Page1of4Ver.1.0 FCCID:2AL9B-MZX009N ReportNo.EDG2308240208E001Page2of4Ver.1.0 ReportNo.EDG2308240208E001Page3of4Ver.1.0 ReportNo.EDG2308240208E001Page4of4Ver.1.0

ITEM# MZX009-BLK FCC ID:2AL9B-MZX009N DC Input:5V 80mA MID#3890723 Made in China ITEM# MZX009-BLK FCC ID:2AL9B-MZX009N DC Input:5V 80mA MID#3890723 Made in China ITEM# MZX009-BLK FCC ID:2AL9B-MZX009N DC Input:5V 80mA MID#3890723 Made in China

ReportNo.EDG2308240208E001Page1of3Ver.1.0 FCCID:2AL9B-MZX009N BTANT ReportNo.EDG2308240208E001Page2of3Ver.1.0 ReportNo.EDG2308240208E001Page3of3Ver.1.0

ReportNo.EDG2308240208E00102RPage1of7Ver.1.0 TESTREPORT ProductName：Bluetoothheadphone ModelNumber： MZX009N,MZX009,MZX009-BLK, MZX009N-BLK FCCID：2AL9B-MZX009N Preparedfor:ShenzhenShenglaiTechnologyCo.,Limited Address:Room3110,BlockC,XintianCenturyBusinessCentre, FumingRoad,Futian,Shenzhen,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:EDG2308240208E00102R Date(s)ofTests:August24,2023toSeptember07,2023 Dateofissue:September07,2023 $二维码$ ReportNo.EDG2308240208E00102RPage2of7Ver.1.0 TableofContents 1.TESTRESULTCERTIFICATION...............................................................................................................................................3 2.EUTSPECIFICATION.................................................................................................................................................................5 3.TESTREQUIREMENT................................................................................................................................................................6 4.MEASUREMENTRESULT.........................................................................................................................................................6 ReportNo.EDG2308240208E00102RPage3of7Ver.1.0 1.TESTRESULTCERTIFICATION Applicant:ShenzhenShenglaiTechnologyCo.,Limited Address: Room3110,BlockC,XintianCenturyBusinessCentre,FumingRoad,Futian, Shenzhen,China Manufacturer:ShenzhenShenglaiTechnologyCo.,Limited Address: Room3110,BlockC,XintianCenturyBusinessCentre,FumingRoad,Futian, Shenzhen,China EUT:Bluetoothheadphone ModelName:MZX009N,MZX009,MZX009-BLK,MZX009N-BLK 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:August24,2023toSeptember07,2023 Preparedby: WarrenDeng/Editor Reviewer: TimDong/Supervisor Approve&AuthorizedSigner: SamLv/Manager ReportNo.EDG2308240208E00102RPage4of7Ver.1.0 ModifiedHistory VersionReportNo.RevisionDateSummary EDG2308240208E00102R/OriginalReport ReportNo.EDG2308240208E00102RPage5of7Ver.1.0 2. EUTSpecification CharacteristicsDescription Product:Bluetoothheadphone ModelNumber: MZX009N,MZX009,MZX009-BLK,MZX009N-BLK Note:Allmodelsarethesame,exceptthecolor. HereselectMZX009Nfortest. Sample:1# DataRate: 1MbpsforGFSKmodulation 2Mbpsforπ/4-DQPSKmodulation 3Mbpsfor8DPSKmodulation Modulation: GFSK,π/4-DQPSK,8DPSK OperatingFrequency Range(s): 2402-2480MHz NumberofChannels: 79channels TransmitPowerMax: -6.05dBm(0.000248W) AntennaGain:3.08dBi Powersupply: DC5VfromUSB DC3.7Vfrombattery Evaluationapplied:MPEEvaluation SAREvaluation ReportNo.EDG2308240208E00102RPage6of7Ver.1.0 3. TestRequirement SAREvaluation Accordingto447498D01V06,systemsoperatingundertheprovisionsofthissectionshallbeoperatedina mannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,usingmeasurementsorcomputer simulation.WhenroutineSARevaluationisnotrequired,portabletransmitterswithoutputpowergreaterthan theapplicablelowthresholdrequireSARevaluationtoqualityforTCBapproval. OneantennaisavailablefortheEUT.Theminimumseparationdistanceis5mm. ReportNo.EDG2308240208E00102RPage7of7Ver.1.0 4. MeasurementResult Antennagain:3.08dBi Transmit Frequency( MHz) Mode Measured Power (dBm) E.I.R.P (dBm) Tune upPower (dBm) Maxtuneup power(dBm) Calculation Result 1-g SAR 2402GFSK -9.56-6.48-7±1-6 0.07786043 2441GFSK-8.87-5.79-6±1-50.09881303 2480GFSK-8.17-5.09-6±1-50.09959923 2402Π/4-DQPSK-8.29-5.21-6±1-50.09802043 2441Π/4-DQPSK-7.16-4.08-5±1-40.12439813 2480Π/4-DQPSK-6.56-3.48-4±1-30.15785413 24028DPSK-7.55-4.47-5±1-40.12340043 24418DPSK-6.74-3.66-4±1-30.15660803 24808DPSK-6.05-2.97-3±1-20.19872653 AccordingtoKDB447498D01V06,nostand-alonerequiredforBTantenna,andnosimultaneousSAR measurementisrequired. ***EndofReport***

Antenna Describe 1： Antenna Describe Antenna PCB Antenna Gain 3.08dBi Frequency Range 2.4Ghz‐2.483Ghz Connector Type Direct Location of mearement(company name) SHENZHENSHIXINZHONGXIN TECHNOLOGY.CO.,LTD Picture of antenna 2：External View Drawing TOP AddressRoom 3110, Block C, Xintian Century Business Centre, Fuming Road, Futian, Shenzhen, China grou nd floo r 3：Measurement Result 3.1 Return Loss (S11 ) 3.2 Smith Chart 3.3 Gain

ReportNo.EDG2308240208E00101RPage1of72Ver.1.0 TESTREPORT ProductName：Bluetoothheadphone ModelNumber ： MZX009N,MZX009,MZX009-BLK, MZX009N-BLK FCCID：2AL9B-MZX009N Preparedfor:ShenzhenShenglaiTechnologyCo.,Limited Address:Room3110,BlockC,XintianCenturyBusinessCentre, FumingRoad,Futian,Shenzhen,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:EDG2308240208E00101R Date(s)ofTests:August24,2023toSeptember07,2023 Dateofissue:September07,2023 $二维码$ ReportNo.EDG2308240208E00101RPage2of72Ver.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..............................................................................................................................29 9.3NUMBEROFHOPPINGFREQUENCIES............................................................................................................................32 9.4AVERAGETIMEOFOCCUPANCY(DWELLTIME)........................................................................................................35 9.5MAXIMUMPEAKCONDUCTEDOUTPUTPOWER.........................................................................................................41 9.6CONDUCTEDSUPRIOUSEMISSION.................................................................................................................................48 9.7RADIATEDSPURIOUSEMISSION.....................................................................................................................................58 9.8CONDUCTEDEMISSIONTEST...........................................................................................................................................67 9.9ANTENNAAPPLICA…

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ReportNo.EDG2308240208E001Page1of2Ver.1.0 FCCID:2AL9B-MZX009N ReportNo.EDG2308240208E001Page2of2Ver.1.0