2BAX7-B0BWF4VZB1Wireless in Ear Monitor System

C5266091_X24_Ed.1 1/1 “AttestationStatements” TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 TheCommissionadoptedrulesthatprohibitequipmentauthorizationfor“covered” telecommunicationsequipmentandvideosurveillanceequipmentproducedbyentitiesidentified ontheCommission’sCoveredList 1 ,whichisperiodicallyupdated.SeetheCoveredListformore details.ThisAttestationStatementistoconfirmthatwefollowtheSection2.911(d)(5)(i)-(ii) Applicant Companyname:EnpingshiYaoshengdianzishangwuyouxiangongsi Granteecode:2BAX7 FCCID:2BAX7-B0BWF4VZB1 ContactName:JianmingCen Address:529400guangdongenpingshiRoomB370,BuildingB,UnitA1,2DistrictofEnPing IndustrialPark. TelephoneNo:13360439827 Email:[email protected] i.EnpingshiYaoshengdianzishangwuyouxiangongsi(“theapplicant”)certifies thattheequipmentforwhichauthorizationissoughtisnot“covered” equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules.Theapplicantmustsignthiscertification. ii.EnpingshiYaoshengdianzishangwuyouxiangongsi(“theapplicant”)certifies that,asofthedateofthefilingoftheapplication,theapplicantisnot identifiedontheCoveredListasanentityproducing“covered”equipment. Theapplicantmustsignthiscertification. Date:2023/04/23 Applicant’sName:JianmingCen Title:manager Signature 1 TheCommission’sCoveredListispublishedbythePublicSafetyandHomelandSecurityBureauandpostedonthe Commission’swebsite.ThisCoveredList,whichisperiodicallyupdated,identifiesparticularequipment,producedby particularentities,thatconstitutes“covered”equipment.https://www.fcc.gov/supplychain/coveredlist

EnpingshiYaoshengdianzishangwuyouxiangongsi ProductSimilarityDeclaration Productname:WirelessinEarMonitorSystem Modelname:B0BWF4VZB1,B0BWF4WW9F,B0BWF99695 FCCID:2BAX7-B0BWF4VZB1 We(EnpingshiYaoshengdianzishangwuyouxiangongsi)hereby statethatallthemodelsareelectricalidenticalincludingthesame softwareparameterandhardwaredesign(i.e.,circuitdesign,PCB Layout,RFmodule/circuit,antennatype(s)andantennalocation, componentsonPCB,etc.,),samemechanicalstructureand design(includingproductenclosure,materials,etc.,),theonly differenceisthemodelname. Signature: Name:JianmingCen Title:Manager Place,date:May.102023

C5266091_X8_Ed.1 1/1 LetterofAuthorization EnpingshiYaoshengdianzishangwuyouxiangongsi Company:EnpingshiYaoshengdianzishangwuyouxiangongsi Address:529400guangdongenpingshiRoomB370,BuildingB,UnitA1,2 DistrictofEnPingIndustrialPark. ProductName:WirelessinEarMonitorSystem ModelNumber:B0BWF4VZB1,B0BWF4WW9F,B0BWF99695 FCCIdentifier:2BAX7-B0BWF4VZB1 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:JianmingCenDate:Apr.232023 Title:manager Signatureofapplicant:

C5266091_X10_Ed.2 1/1 EnpingshiYaoshengdianzishangwuyouxiangongsi OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:Apr.232023 Subject:RequestforConfidentiality FCCID:2BAX7-B0BWF4VZB1 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______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:JianmingCen Title:manager

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LabelandLabelLocation FCCID:2BAX7-B0BWF4VZB1

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FCCRFExposure EUTDescription:WirelessinEarMonitorSystem ModelNo.:B0BWF4VZB1,B0BWF4WW9F,B0BWF99695 FCCID:2BAX7-B0BWF4VZB1 Equipmenttype:PortableDevice 1.TestProcedure AccordingtoKDB447498D01GeneralRFExposureGuidancev06 The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/ (min.testseparationdistance,mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremity SAR, where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparation distanceis≤50mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whenthe minimumtestseparationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtest exclusion. 2.TestResultofRFExposureEvaluation ANT1 CH/Frequency Outputpower（dBm/mW） Channel21 550.0MHz 1.87/1.54 [550.0MHz,1.54mW)outputpower] (1.54mW/5mm)*[√0.550(GHz)]=0.23<3.0for1-gSAR Conclusion:NoSARisrequired ANT2 CH/Frequency Outputpower（dBm/mW） Channel21 550.0MHz 1.31/1.35 [550.0MHz,1.54mW)outputpower] (1.35mW/5mm)*[√0.550(GHz)]=0.20<3.0for1-gSAR Conclusion:NoSARisrequired Simultaneousfiring：0.23+0.20=0.43<3.0for1-gSAR Conclusion:NoSARisrequired

专业天线服务商 深圳市飞敏科技有限公司 SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. 项目型号 P96 天线型号 测 试 魏月娥 审 核 夏兴喜 日 期 2022-08-29 天线测试报告 Antenna test report SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn 测试设备和测试环境 Test equipment and test environment SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn 测试设备 Test equipment 无源指标 增益 效率 3D方向图 有源指标 TRP总辐射功率 TIS总接收灵敏度 探头微波暗室 频率：0.4GHz至6GHz 主要测试指标 SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn 测试设备 Test equipment Agilent E5071C矢量网络分析仪 频率：300 kHz至8.5GHz R&S CMW500 宽带无线通信测试仪 GSM/3G/4G WIFI/ Bluetooth NB-IoT SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn 25cm 天线增益与效率 Antenna gain and efficiency SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn 天线 Freq(MHz) Efficiency (％) Gian(dBi) 500 MHz 15.67 -3.19 505 MHz 14.83 -3.17 510 MHz 14.14 -3.24 515 MHz 16.41 -2.53 520 MHz 18.13 -2.09 525 MHz 15.75 -2.71 530 MHz 13.69 -3.4 535 MHz 11.57 -4.23 540 MHz 10.37 -4.89 545 MHz 9.25 -5.34 550 MHz 8.74 -5.63 插入图片1 插入图片2 插入图片3 插入图片4 天线辐射方向图 Antenna Radiation Pattern SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn 深圳市宝安区西乡固戍恒南一路C栋303 TEL:(86)755-23035723. FAX:0755-23036702 E-mail:[email protected] ADD: 303，building C,GUSHU Hengnan Road,Xixiang,Baoan district Shenzhen Thanks for your support！ 感谢您的支持！

FCCTestReport ReportNo:FCS202303069W01 Issuedfor Applicant: EnpingshiYaoshengdianzishangwuyouxiangongsi Address: 529400guangdongenpingshiRoomB370,BuildingB,UnitA1,2 DistrictofEnPingIndustrialPark. ProductName: WirelessinEarMonitorSystem BrandName: OPQRST ModelName: B0BWF4VZB1 SeriesModel: B0BWF4WW9F,B0BWF99695 FCCID: 2BAX7-B0BWF4VZB1 IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial, SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com Page2of54ReportNo.:FCS202303069W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com TESTRESULTCERTIFICATION Applicant’sName ...................... :EnpingshiYaoshengdianzishangwuyouxiangongsi Address ...................................... : 529400guangdongenpingshiRoomB370,BuildingB,UnitA1,2 DistrictofEnPingIndustrialPark. Manufacture'sName................:EnpingshiYaoshengdianzishangwuyouxiangongsi Address ...................................... : 529400guangdongenpingshiRoomB370,BuildingB,UnitA1,2 DistrictofEnPingIndustrialPark. ProductDescription ProductName ........................... :WirelessinEarMonitorSystem BrandName.............................:OPQRST ModelName..............................:B0BWF4VZB1 SeriesModel..............................:B0BWF4WW9F,B0BWF99695 TestStandards..........................:FCCRulesandRegulationsPart15SubpartCsection15.236 TestProcedure..........................:ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedFCS,thetestresultsshowthattheequipmentundertest (EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFCS,thisdocument maybealteredorrevisedbyFCS,personalonly,andshallbenotedintherevisionofthedocument.. DateofTest..................................: Date(s)ofperformanceoftests.:Mar07,2023~Mar15,2023 DateofIssue ................................. :Mar15,2023 TestResult ..................................... :Pass Testedby: (ScottShen) Reviewedby : (DukeQian) Approvedby: (JackWang) Page3of54ReportNo.:FCS202303069W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com TableofContents Page 1.SUMMARYOFTESTRESULTS..............................................................................................6 1.1TESTFACTORY................................................................................................................7 1.2MEASUREMENTUNCERTAINTY.....................................................................................7 2.GENERALINFORMATION.......................................................................................................8 2.1GENERALDESCRIPTIONOFTHEEUT..........................................................................8 2.2DESCRIPTIONOFTHETESTMODES..........................................................................10 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS.................11 2.4EQUIPMENTSLIST.........................................................................................................12 3MAXIMUMRADIATEDPOWER..............................................................................................13 3.1LIMIT................................................................................................................................13 3.3TESTSETUP...................................................................................................................13 4.OCCUPIEDBANDWIDTH......................................................................................................14 4.1LIMIT................................................................................................................................14 4.2TESTPROCEDURE........................................................................................................14 4.3TESTSETUP...................................................................................................................14 4.4TESTRESULTS...............................................................................................................15 5.NECESSARYBANDWITH......................................................................................................22 5.1LIMIT................................................................................................................................22 5.2TESTPROCEDURE........................................................................................................22 5.3TESTSETUP...................................................................................................................22 6.TRANSMITTERUNWANTEDEMISSIONS...........................................................................29 6.1LIMIT................................................................................................................................29 5.2TESTPROCEDURE........................................................................................................29 5.3TESTSETUP...................................................................................................................29 6.4TESTRESULTS...............................................................................................................30 7.CONDUCTEDEMISSIONMEASUREMENT..........................................................................44 7.1LIMIT................................................................................................................................44 7.2TESTPROCEDURE........................................................................................................44 7.3TESTSETUP...................................................................................…

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