2AIXC-MUZ4007MUZE LONG LASTING HEADPHONES

<HONWA(HK)CORPORATIONLIMITED> OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:Jul.27,2020 Subject;RequestforLongTermConfidentiality FCCID:2AIXC-MUZ4007 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,weare requestingtheCommissiontowithholdthefollowingattachment(s)asconfidentialdocumentsfrom publicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredasproprietary informationinoperationoftheequipment.Thepublicdisclosureofthesedocumentsmightbeharmfulto ourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatandcorrespondenceduring thecertificationreviewprocesscannotbegrantedasconfidentialdocumentsandthisinformationwillbe availableforpublicreviewoncethegrantofequipmentauthorizationisissued. Sincerely, Signature: Name:TerryWong Title:Manager

HONWA(HK)CORPORATIONLIMITED LetterofAuthorization Company:HONWA(HK)CORPORATIONLIMITED Address:AOGUANGINDUSTRIALGURAOTOWNCHAOYANGDISTRICT SHANTOUGUANGDONGChina ProductName:MUZELONGLASTINGHEADPHONES ModelNumber:MUZ4007-BLK FCCIdentifier:2AIXC-MUZ4007 WeauthorizeMiCOMLabsInc,575BoulderCourt,Pleasanton,California94566, USA,toactonourbehalfonallmattersconcerningtheabovenamedequipment. AnyindividualwithinMiCOMLabsisauthorizedtoactonourbehalfandtake actionontheapplication. WedeclarethatMiCOMLabsInc,575BoulderCourt,Pleasanton,California 94566,USA,isallowedtoforwardallinformationrelatedtotheapprovalproject totheFederalCommunicationCommissionandtodiscussanyissues concerningtheapprovalapplication.AnyandallactscarriedoutbyMiCOMLabs onourbehalfshallhavethesameeffectasactsofourown. Name:TerryWongDate:Jul.27,2020 Title:Manager Signatureofapplicant:

Model:MUZ4007-BLK Model:MUZ4007-BLK Model:MUZ4007-BLK

FCCIDLABEL: LabelLocation: FCCID:2AIXC-MUZ4007 Productname:MUZELONGLASTINGHEADPHONES ModelNo.:MUZ4007-BLK ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothe followingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference (2)Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmay causeundesiredoperation. Long:3cm Width:2cm

Model:MUZ4007-BLK Model:MUZ4007-BLK Model:MUZ4007-BLK Model:MUZ4007-BLK Antenna

Page1of32ReportNo.:UNIA20070212ER-01 FCCRADIOTESTREPORT FCCID:2AIXC-MUZ4007 Product ： MUZELONGLASTINGHEADPHONES TradeName： MUZE ModelName ： MUZ4007-BLK SerialModel： N/A ReportNo. ： UNIA20070212ER-01 Preparedfor HONWA(HK)CORPORATIONLIMITED MAOGUANGINDUSTRIALGURAOTOWNCHAOYANGDISTRICT SHANTOUGUANGDONGChina Preparedby ShenzhenUnitedTestingTechnologyCo.,Ltd. 2F,AnnexBldg,JiahuangyuanTechPark,#365Baotian1Rd,Tiegang Community,XixiangStr,Bao'anDistrict,Shenzhen,China Page2of32ReportNo.:UNIA20070212ER-01 TESTRESULTCERTIFICATION Applicant’sname .................... : HONWA(HK)CORPORATIONLIMITED Address ...................................... : MAOGUANGINDUSTRIALGURAOTOWNCHAOYANG DISTRICTSHANTOUGUANGDONGChina Manufacture'sName..............: HONWA(HK)CORPORATIONLIMITED Address ...................................... : MAOGUANGINDUSTRIALGURAOTOWNCHAOYANG DISTRICTSHANTOUGUANGDONGChina Productdescription Productname...............................: MUZELONGLASTINGHEADPHONES TradeMark.................................: MUZE Modeland/ortypereference.: MUZ4007-BLK Standards .................................. : FCCRulesandRegulationsPart15SubpartCSection15.249, ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedbyShenzhenUnitedTestingTechnology Co.,Ltd.,andthetestresultsshowthattheequipmentundertest(EUT)isincompliance withtheFCCrequirements.Anditisapplicableonlytothetestedsampleidentifiedinthe report. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofUNI,this documentmaybealteredorrevisedbyShenzhenUnitedTestingTechnologyCo.,Ltd., personnelonly,andshallbenotedintherevisionofthedocument. DateofTest ............................................... : Date(s)ofperformanceoftests ............... : Jul.02,2020~Jul.16,2020 DateofIssue..............................................: Jul.16,2020 TestResult .................................................. :Pass Preparedby: Bobliao/Editor Reviewer: Kahnyang/Supervisor Approved&AuthorizedSigner: Liuze/Manager Page3of32ReportNo.:UNIA20070212ER-01 TableofContentsPage 1.TESTSUMMARY...................................................................................................................4 2.GENERALINFORMATION ................................................................................................... 5 2.1GENERALDESCRIPTIONOFEUT..........................................................................................5 2.2CarrierFrequencyofChannels.................................................................................................6 2.3OperationofEUTduringtesting................................................................................................7 2.4DESCRIPTIONOFTESTSETUP.............................................................................................7 2.5MEASUREMENTINSTRUMENTSLIST..................................................................................8 3.CONDUCTEDEMISSIONSTEST ....................................................................................... 9 3.1ConductedPowerLineEmissionLimit ..................................................................................... 9 3.2TestSetup ..................................................................................................................................... 9 3.3TestProcedure ............................................................................................................................. 9 3.4TestResult .................................................................................................................................... 9 4RADIATEDEMISSIONTEST..............................................................................................12 4.1RadiationLimit ........................................................................................................................... 12 4.2TestSetup ................................................................................................................................... 12 4.3TestProcedure ........................................................................................................................... 13 4.4TestResult .................................................................................................................................. 13 5BANDEDGE .......................................................................................................................... 22 5.1Limits...........................................................................................................................................22 5.2TestProcedure...........................................................................................................................22 5.3TestResult..................................................................................................................................22 6OCCUPIEDBANDWIDTHMEASUREMENT ................................................................... 26 6.1TestSetup ................................................................................................................................... 26 6.2TestProcedure ........................................................................................................................... 26 6.3MeasurementEquipmentUsed ............................................................................................... 26 6.4TestResult .................................................................................................................................. 26 7ANTENNAREQUIREMENT................................................................................................30 8PHOTOGRAPHOFTEST ................................................................................................... 31 8.1RadiatedEmission......................................................................................................................31 8.2ConductedEmission............................................................................…

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Model:MUZ4007-BLK Model:MUZ4007-BLK