2BF96-YXBMusical boxing pro

YiXinIntelligentTechnology(Wuyi)Co.,Ltd FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:May17,2024 FCCID: Ref.#1:AttestationStatementsPart2.911(d)(5)(i)Filing (“YiXinIntelligentTechnology(Wuyi)Co.,Ltd”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. Ref.#2:AttestationStatementsPart2.911(d)(5)(ii)Filing (“YiXinIntelligentTechnology(Wuyi)Co.,Ltd”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredList(asaspecifically namedentityoranyofitssubsidiariesoraffiliates)asanentityproducing“covered” equipment. Applicant:YiXinIntelligentTechnology(Wuyi)Co.,Ltd Address:No.38,DevelopmentRoad,WuyicountyJinhuaCity,ZhejiangProvinceChina Tel:13486955222 E-mail:[email protected] Sincerely, Signature: 2BF96-YXB

YiXin Intelligent Technology (Wuyi) Co., Ltd 201, building 5, No. 32, Jianlong street, Baoan community, Yuanshan street, Longgang District, Shenzhen Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 5/16/2024 U.S. Agent Designation YiXin Intelligent Technology (Wuyi) Co., Ltd acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID:2BF96-YXB): Name and company of U.S. agent:STEYR INC Physical U.S. address of agent:1312 17th Street #692, Denver, CO 80202, United States FRN of U.S. agent:0033737586 Email address of U.S. agent:[email protected] STEYR INC acknowledges their obligation to accept service of process on behalf of YiXin Intelligent Technology (Wuyi) Co., Ltd YiXin Intelligent Technology (Wuyi) Co., Ltd with the FRN 0035396571 accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as kDB986446 D01. An expiration date for this letter does not exist. in case the U s. agent changes the arantee is oblicated to notifthe FCC within 30 days via the granting TCB. Sincerely, Signature Name:Joe Yin Title:Manager Company:YiXin Intelligent Technology (Wuyi) Co., Ltd Signature Name of U.S. agent:Fairy Lee Title of U.S. agent:Manager Company of U.S. agent:STEYR INC 48_[model] US_Agent_2.911(d)(7) - U, V0 5

Antenna spec 1.Antenna Description: Antenna typePCB antenna Model2.4ANT Frequency range2400MHz~2480MHz ManufacturerZHUHAI JIELI TECHNOLOGY CO..LTD AddressRoom 701-3, seventh floor, Chengfeng Daxia, 833 Renmin Road, Xiangzhou District, Zhuhai 2. Antenna Photo: 3. Antenna Efficiency and Gain: Frequency(MHz)240024402480 Efficiency (%)57.2458.0558.46 PEAK Gain(dBi)-1.26-0.76-0.58 Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div

EffectiveDate:April2,2020QSF7.6.4-8–AgentAuthorizationLetterTemplatePage1of1 RevisionDate:Revision:0 YiXinIntelligentTechnology(Wuyi)Co.,Ltd Date ： 05/17/2024 ProductModelNumber:YXB008,YXB003,YXB005,YXB006,YXB007,YXB009,YXB010,YXB011,YXB012 FCCID：2BF96-YXB Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C.CanadaV5J5K5to actonourbehalfonallmattersconcerningtheabovenamedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatORGANIZATION.isallowedtoforwardallinformationrelatedtotheapproval projecttotheappliedcertificationbodyandtothenotificationentitiesandtodiscussanyissues concerningtheapprovalapplication.AnyandallactscarriedoutbyORGANIZATION.onour behalfshallhavethesameeffectasactsofourown. By:JoeYin ContactListedonFCCWesbite Title:MANAGER Email:13486955222 Onbehalfof:YiXinIntelligentTechnology(Wuyi)Co.,Ltd

YiXinIntelligentTechnology(Wuyi)Co.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:May17,2024 Subject;RequestforConfidentiality FCCID:2BF96-YXB ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:JoeYin Title:MANAGER

YiXinIntelligentTechnology(Wuyi)Co.,Ltd No.38,DevelopmentRoad,Wuyicounty,JinhuaCity,ZhejiangProvince,China Productdifferencesstatement DATE:May.16,2024 We,YiXinIntelligentTechnology(Wuyi)Co.,Ltd,Musicalboxingprohasthesekinds model YXB003,YXB005,YXB006,YXB007,YXB008,YXB009,YXB010,YXB011,YXB012 . Theproductsareidenticalininteriorstructure,electricalcircuitsandcomponents,justmodel namesandcoloraredifferent. Company:YiXinIntelligentTechnology(Wuyi)Co.,Ltd Address:No.38,DevelopmentRoad,Wuyicounty,JinhuaCity,ZhejiangProvince,China ContactPerson:JoeYin/Manager Tel:13486955222 E-mail:[email protected]

FCCID:2BF96-YXB ExternalPhotosoftheEUT Fig.1 Fig.2 FCCID:2BF96-YXB Fig.3 Fig.4 FCCID:2BF96-YXB Fig.5 Fig.6 FCCID:2BF96-YXB Fig.7

FCCID:2BF96-YXB labelandlocation Fig.1 FCCID:2BF96-YXB Musicalboxingpro Model:YXB008 Input:DC5V/1A YiXinIntelligentTechnology(Wuyi)Co.,Ltd

FCCID:2BF96-YXB InternalPhotosoftheEUT Fig.1 Fig.2 BT Antenna FCCID:2BF96-YXB Fig.3 Fig.4 FCCID:2BF96-YXB Fig.5 Fig.6 FCCID:2BF96-YXB Fig.7 Fig.8

Page 1 of 2 RFExposureevaluation FCCID:2BF96-YXB 1.1.ApplicableStandard Accordingto§1.1307(b)(1),systemsoperatingundertheprovisionsofthissectionshallbeoperatedina mannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. Accordingto§1.1310and§2.1093RFexposurerequirement KDB447498v06:MobileandPortableDevicesRFExposureProceduresandEquipmentAuthorization Policies 1.2.Requirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1StandaloneSARtest exclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures, standalone1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions, bymeasurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTestExclusion Thresholdcondition,listedbelow,issatisfied.Thesetestexclusionconditionsarebasedonsource-based time-averagedmaximumconductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-up tolerance,andtheminimumtestseparationdistancerequiredfortheexposureconditions.22Theminimum testseparationdistanceisdeterminedbythesmallestdistancefromtheantennaandradiatingstructuresor outersurfaceofthedevice,accordingtothehostformfactor,exposureconditionsandplatformrequirements, toanypartofthebodyorextremityofauserorbystander(see5)ofsection4.1).ToqualifyforSARtest exclusion,thetestseparationdistancesappliedmustbefullyexplainedandjustifiedbytheoperating configurationsandexposureconditionsofthetransmitterandapplicablehostplatformrequirements,typically intheSARmeasurementorSARanalysisreport,accordingtotherequiredpublishedRFexposureKDB procedures.WhennootherRFexposuretestingorreportingisrequired,astatementofjustificationand compliancemustbeincludedintheequipmentapproval,inlieuoftheSARreport,toqualifyfortheSARtest exclusion.Whenrequired,thedevicespecificconditionsdescribedintheotherpublishedRFexposureKDB proceduresmustbesatisfiedbeforeapplyingtheseSARtestexclusionprovisions;forexample,handheldPTT two-wayradios,handsets,laptops&tabletsetc.23“ [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)] · [√f(GHz)] ≤3.0for1-gSARand≤7.5for10-gextremitySAR,where: •f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison • 3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis ≤ 50mmandfor transmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtestseparationdistanceis<5 mm,adistanceof5mmaccordingto5)insection4.1isappliedtodetermineSARtestexclusion. 1.3.Manufacturingtolerance BLE(Peak) GFSK ChannelChannel00Channel19Channel39 Target(dBm)0.00.00.0 Tolerance±(dB)1.01.01.0 2.EvaluationResult EvaluationResults Band/Modef(GHz) Antenna Distance (mm) RFoutputpower (includingtune-up tolerance) SARTest Exclusion Threshold SARTest Exclusion dBmmW BLE2.48051.01.25890.397<3.0Yes Page 2 of 2 3.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093fortheuncontrolledRFExposure andSARExclusionThresholdperKDB447498v06. .....................EndofReport.........................

ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. 101#,BuildingK&BuildingT,TheSecondIndustrialZone,JiazitangCommunity, FenghuangStreet,GuangmingDistrict,Shenzhen,China FCCPART15SUBPARTCTESTREPORT FCCPART15.247 ReportReferenceNo........................: FCCID.................................................: GRCTR240502001-01 2BF96-YXB Compiledby (position+printedname+signature) .. : TestingEngineerJimmyWang Supervisedby (position+printedname+signature)..: ProjectEngineerKelleyZhang Approvedby (position+printedname+signature)..: ManagerSamWang Dateofissue.........................................:May.14,2024 TestingLaboratoryName................: ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. Address ................................................. : 101#,BuildingK&BuildingT,TheSecondIndustrialZone,Jiazitang Community,FenghuangStreet,GuangmingDistrict,Shenzhen,China Applicant’sname...............................: YiXinIntelligentTechnology(Wuyi)Co.,Ltd Address.................................................: No.38,DevelopmentRoad,Wuyicounty,JinhuaCity,Zhejiang Province,China Testspecification..............................: Standard ................................................ :FCCPart15.247 ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongastheShenzhen GUORENCertificationTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.takesnoresponsibilityforandwill notassumeliabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. Testitemdescription........................: Musicalboxingpro TradeMark............................................: / Manufacturer ......................................... : YiXinIntelligentTechnology(Wuyi)Co.,Ltd Model/Typereference.........................: YXB008 ListedModels......................................: YXB003,YXB005,YXB006,YXB007,YXB009,YXB010,YXB011,YXB012 FirmwareVersion ................................. : V1.0 HardwareVersion................................: V1.0 Modulation ........................................... : GFSK Frequency.............................................. From2402MHzto2480MHz Ratings ................................................... :5.0V1.0A(chargedbyDC5VPowerAdapter)or 3.7V2000mAh(ByLi-ionrechargeablebattery) Result.....................................................: PASS ReportNo.:GRCTR240502001-01Page 2 of 34 TESTREPORT EquipmentunderTest:Musicalboxingpro Model/Type:YXB008 ListedModels:YXB003,YXB005,YXB006,YXB007,YXB009,YXB010,YXB011, YXB012 Applicant : YiXinIntelligentTechnology(Wuyi)Co.,Ltd Address: No.38,DevelopmentRoad,Wuyicounty,JinhuaCity,Zhejiang Province,China Manufacturer : YiXinIntelligentTechnology(Wuyi)Co.,Ltd Address: No.38,DevelopmentRoad,Wuyicounty,JinhuaCity,Zhejiang Province,China TestResult:PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:GRCTR240502001-01Page 3 of 34 Contents 1TESTSTANDARDS..............................................................................................................................4 2SUMMARY.................................................................................................................................................5 2.1GeneralRemarks..........................................................................................................................................5 2.2ProductDescription.....................................................................................................................................5 2.3EquipmentUnderTest.................................................................................................................................5 2.4ShortdescriptionoftheEquipmentunderTest(EUT).............................................................................5 2.5EUTconfiguration.........................................................................................................................................6 2.6EUToperationmode.....................................................................................................................................6 2.7BlockDiagramofTestSetup.......................................................................................................................6 2.8RelatedSubmittal(s)/Grant(s)...................................................................................................................6 2.9Modifications.................................................................................................................................................6 3TESTENVIRONMENT........................................................................................................................7 3.1Addressofthetestlaboratory....................................................................................................................7 3.2TestFacility...................................................................................................................................................7 3.3Environmentalconditions............................................................................................................................7 3.4Summaryofmeasurementresults..............................................................................................................8 3.5Statementofthemeasurementuncertainty..............................................................................................8 3.6EquipmentsUsedduringtheTest..............................................................................................................9 4TESTCONDITIONSANDRESULTS.......................................................................................10 4.1ACPowerConductedEmission..................…

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FCCID:2BF96-YXB TestSetupPhotosoftheEUT TestSetupPhoto(s)ofRadiatedEmissionsMeasurement Fig.1 Fig.2 FCCID:2BF96-YXB TestSetupPhoto(s)ofConductedEmissionsMeasurement Fig.3