2AZUB-DHLINEARWireless Bluetooth Earbuds

DHL in-ear Wireless Earbuds User Manual Remove the earbuds from the box. Light flashes in red/blue Power on Power off Skip songs Volume + / - Music pause/Music play/Answer the phone/Hang up Blue light blinks slowly Red lights bright constantly Blue light bright 30 seconds constantly then off. DHL in-ear DHL in-ear 30035

Modeldifferencedeclarationletter DifferencesDescription WeDongguanMoyinAcousticCo.,Ltd..state: Product：WirelessBluetoothEarbuds ModelName：DHLin-ear、MY-X77、MY-X78 Theaboveproductwithsamecircuit,PCBlayout,electricalparts,materialsandwiring structures,Appearanceshape,thematerialsofdecorativeaccessoriesissame,only differentcolor, Signatory Date:05-06-2021 Signature: Name:ArvinLee Title:GeneralManage Company:DongguanMoyinAcousticCo.,Ltd. Address:Rm202,Floor2,BuildingH,No.28QingtangRoad,QingtangmianIndustrialPark, YouganpuVillage,FenggangTown,DongguanCity,GuangdongProvince.

C5266091_X8_Ed.1 1/1 DongguanMoyinAcousticCo.,Ltd. Company:DongguanMoyinAcousticCo.,Ltd. Address:Rm202,Floor2,BuildingH,No.28QingtangRoad,Qingtangmian IndustrialPark,YouganpuVillage,FenggangTown,DongguanCity,Guangdong Province. ProductName:WirelessBluetoothEarbuds ModelNumber:DHLin-ear、MY-X77、MY-X78 FCCIdentifier:2AZUB-DHLINEAR WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:ArvinLeeDate:06May,2021 Title:GeneralManage Signatureofapplicant:

C5266091_X10_Ed.2 1/1 DongguanMoyinAcousticCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:06May,2021 Subject:RequestforConfidentiality FCCID:2AZUB-DHLINEAR ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ PartsList/TuneUp ☒☐ RFExposureInfoNoNo OperationalDescription ☐☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof___45___daysfromthedateof theGrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:ArvinLee Title:GeneralManage

Page1of3ReportNo.:FCS202104085 Externalphotos Photo1 Photo2 Page2of3ReportNo.:FCS202104085 Photo3 Photo4 Page3of3ReportNo.:FCS202104085 Photo5 Photo6

LabelandLabelLocation L*W:10mm*5mm Whitelabelandblackfont FCCID:2AZUB-DHLINEAR

Page1of3ReportNo.:FCS202104085 Internalphotos Photo1 Photo2 Page2of3ReportNo.:FCS202104085 Photo3 Photo4 Page 3 of 3ReportNo.:FCS202104085 Photo5 antenna AB5616E

FCCTestReport ReportNo:FCS202104085W01 Issuedfor Applicant: DongguanMoyinAcousticCo.,Ltd. Address: Rm202,Floor2,BuildingH,No.28Qingtang Road,QingtangmianIndustrialPark,YouganpuVillage, FenggangTown,DongguanCity,GuangdongProvince. ProductName: WirelessBluetoothEarbuds BrandName: N/A ModelName: DHLin-ear SeriesModel: MY-X77 、 MY-X78 FCCID: 2AZUB-DHLINEAR IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-Tech Industrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com Page2of35ReportNo.:FCS202104085W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com TESTRESULTCERTIFICATION Applicant’sName......................:DongguanMoyinAcousticCo.,Ltd. Address......................................: Rm202,Floor2,BuildingH,No.28QingtangRoad,Qingtangmian IndustrialPark,YouganpuVillage,FenggangTown,DongguanCity, GuangdongProvince. Manufacture'sName................:DongguanMoyinAcousticCo.,Ltd. Address......................................: Rm202,Floor2,BuildingH,No.28QingtangRoad,Qingtangmian IndustrialPark,YouganpuVillage,FenggangTown,DongguanCity, GuangdongProvince. ProductDescription ProductName...........................:WirelessBluetoothEarbuds BrandName ............................. :N/A ModelName..............................:DHLin-ear SeriesModel .............................. :MY-X77,MY-X78 TestStandards..........................:FCCRulesandRegulationsPart15SubpartC,Section249 TestProcedure .......................... :ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedFCS,thetestresultsshowthattheequipmentundertest (EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFCS,thisdocument maybealteredorrevisedbyFCS,personalonly,andshallbenotedintherevisionofthedocument.. DateofTest .................................. : Date(s)ofperformanceoftests.:27April,2021~30April,2021 DateofIssue.................................:30Apr,2021 TestResult.....................................:Pass Testedby: (ScottShen) Reviewedby : (DukeQian) Approvedby: (KaitChen) Page3of35ReportNo.:FCS202104085W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com TableofContentsPage 1.SUMMARYOFTESTRESULTS5 1.1TESTFACTORY6 1.2MEASUREMENTUNCERTAINTY6 2.GENERALINFORMATION7 2.1GENERALDESCRIPTIONOFTHEEUT7 2.2DESCRIPTIONOFTHETESTMODES9 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS10 2.4EQUIPMENTSLIST11 3CONDUCTEDEMISSIONMEASUREMENT12 3.1LIMIT12 3.2TESTPROCEDURE12 3.3TESTSETUP13 3.4TESTRESULTS14 4.RADIATEDEMISSIONMEASUREMENT16 4.1LIMIT16 4.2TESTPROCEDURE17 4.3TESTSETUP18 4.4TESTRESULTS19 5.BANDEDGETEST25 5.1LIMIT25 5.2TESTPROCEDURE25 5.3TESTSETUP26 5.4TESTRESULTS27 6.20DBBANDWIDTHTEST31 6.1LIMIT31 6.2TESTPROCEDURE31 6.3TESTSETUP31 6.4TESTRESULTS32 7.ANTENNAREQUIREMENT35 7.1STANDARDREQUIREMENT35 7.2EUTANTENNA35 Page4of35ReportNo.:FCS202104085W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com RevisionHistory Rev.IssueDateEffectPageContents 0030April,2021AllInitialIssue Page5of35ReportNo.:FCS202104085W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com 1.SUMMARYOFTESTRESULTS FCCPart15.249,SubpartC Standard Section TestItemJudgmentRemark 15.207ConductedEmissionPASS-- 15.205(a),15.209(a), 15.249(a),15.249(c) RadiatedSpuriousEmissionPASS-- 15.209FieldstrengthoffundamentalPASS 15.249(d)BandEdgeEmissionPASS-- 15.215(c)20dBBandwidthPASS-- 15.203AntennaRequirementPASS-- NOTE: (1)”N/A”denotestestisnotapplicableinthisTestReport (2)AlltestsareaccordingtoANSIC63.10-2013 Page6of35ReportNo.:FCS202104085W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com 1.1TESTFACTORY CompanyName:FluxComplianceServiceLaboratory Address: Room105FloorBaohaoTechnologyBuilding1NO.15Gongye WestRoadHi-TechIndustrial,SongshanlakeDongguan Telephone:+86-769-27280901 Fax:+86-769-27280901 FCCTestFirmRegistrationNumber:514908 Designationnumber:CN0127 A2LAaccreditationnumber：5545.01 1.2MEASUREMENTUNCERTAINTY Thereporteduncertaintyofmeasurementy±U,whereexpendeduncertaintyUisbasedona standarduncertaintymultipliedbyacoveragefactorofk=2,providingalevelofconfidenceof approximately95%. No.ItemUncertainty 1RFoutputpower,conducted±0.71dB 2UnwantedEmissions,conducted±2.98dB 3ConductedEmission(9KHz-150KHz) ±4.13dB 4ConductedEmission(150KHz-30MHz) ±4.74dB 5Allemissions,radiated(<1G)30MHz-1000MHz ±3.2dB 6Allemissions,radiated(1GHz-18GHz) ±3.66dB 7Allemissions,radiated(18GHz-40GHz) ±4.31dB Page7of35ReportNo.:FCS202104085W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com 2.GENERALINFORMATION 2.1GENERALDESCRIPTIONOFTHEEUT ProductNameWirelessBluetoothEarbuds TradeNameN/A ModelNameDHLin-ear SeriesModelMY-X77,MY-X78 ModelDifference Theaboveproductwithsamecircuit,PCBlayout, electricalparts,materialsandwiringstructures, Appearanceshape,thematerialsofdecorative accessoriesissame,onlydifferentcolor, ChannelList PleaserefertotheNote2. BT Frequency:2402-2480MHz Modulation:GFSK Datarate:1Mbps Channelnumber:79CH PowerSupplyDC3.7V HardwareversionnumberV1.0 SoftwareversionnumberV1.0 ConnectingI/OPort(s)PleaserefertotheUser'sManual Note: 1. Foramoredetailedfeaturesdescription,pleaserefertothemanufacturer’sspecifications ort…

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