2BKI2-QJB-7Boxing Music Machine

FCCWarningStatement:Changesormodificationstothisunitnotexpressly approvedbythepartyresponsibleforcompliancecouldvoidtheuser’s authoritytooperatetheequipment.Thisequipmenthasbeentestedandfound tocomplywiththelimitsforaClassBdigitaldevice,pursuanttoPart15ofthe FCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainst harmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates, usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedin accordancewiththeinstructions,maycauseharmfulinterferencetoradio communications. However,thereisnoguaranteethatinterferencewillnotoccurinaparticular installation.Ifthisequipmentdoescauseharmfulinterferencetoradioor televisionreception,whichcanbedeterminedbyturningtheequipmentoffand on,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreof thefollowingmeasures: -Reorientorrelocatethereceivingantenna. -Increasetheseparationbetweentheequipmentandreceiver. - Connecttheequipmentintoanoutletonacircuitdifferentfromthatto whichthereceiverisconnected. - Consultthedealeroranexperiencedradio/TVtechnicianforhelp. ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothe followingtwoconditions:(1)thisdevicemaynotcauseharmfulinterference, and(2)thisdevicemustacceptanyinterferencereceived,including interferencethatmaycauseundesiredoperation. FCCRadiationExposureStatement ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.The devicecanbeusedinportableexposureconditionwithoutrestriction.

YongkangXiaowangIndustryandTradeCo.,Ltd. 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:YongkangXiaowangIndustryandTradeCo.,Ltd. Address:No.28-29Buildings,DayuantongIndustryArea,YongkangCity,ZhejiangProvince,China, 321300 ProductName:BoxingMusicMachine FCCID:2BKI2-QJB-7 Model(s):QJB-7 2.911(d)(5)(ii)Applicantfiling We,[YongkangXiaowangIndustryandTradeCo.,Ltd.](“theapplicant”)certifythat,asofthedateof thefilingoftheapplication,theapplicantisnotidentified NOTE1 onthe“CoveredList” NOTE2 , establishedpursuantto§1.50002ofthischapter,asanentityproducingcoveredcommunications equipment. Yourssincerely, Name:ZhanZhangjunDate:2024.8.28 TitleandCompanyname:Manager/YongkangXiaowangIndustryandTradeCo.,Ltd. NOTE1 Deleteoptionnotapplicabletothisapplication. NOTE2 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

YongkangXiaowangIndustryandTradeCo.,Ltd. 2.911(d)(7)USAAgentv1.5 Section2.911(d)(7)USAAgentforServiceofProcess Companyname:YongkangXiaowangIndustryandTradeCo.,Ltd. Address:No.28-29Buildings,DayuantongIndustryArea,YongkangCity,Zhejiang Province,China,321300 ProductName:BoxingMusicMachine FCCID:2BKI2-QJB-7 Model(s):QJB-7 2.911(d)(7)USADesignatedAgentforServiceofProcess We,[YongkangXiaowangIndustryandTradeCo.,Ltd.](“theapplicant”)designate [GSSSERVICEINC] NOTE1 forthepurposeofacceptingserviceofprocessonbehalf oftheapplicant. Applicantconsent:Weacknowledgeourconsenttoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddressofthedesignatedagentandacknowledgeour acceptanceofourobligationtomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherwethegranteehavepermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S., orattheconclusionofanyCommission-relatedadministrativeorjudicialproceeding involvingtheequipment,whicheverislater. Agentobligation:Weacknowledgeourobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipmentatourphysicalU.S. addressandemailaddressfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,orattheconclusionofanyCommission-relatedadministrativeor judicialproceedinginvolvingtheequipment,whicheverislater. USAAgent Companyname:GSSSERVICEINC USAAddress:6547NAcademyBlvd#2266 ColoradoSpringsCo80918USA FRNNumber:0033402082 ContactName:MichouxLogan TelephoneNo:001-949-2990192 Email:[email protected] Applicant Companyname:YongkangXiaowang IndustryandTradeCo.,Ltd. Address:No.28-29Buildings,Dayuantong IndustryArea,YongkangCity,Zhejiang Province,China,321300 GranteeFRNNumber ： 0035852631 FCCGranteeCode:2BKI2 ContactName:ZhanZhangjun TelephoneNo:19179655376 Email:[email protected] YongkangXiaowangIndustryandTradeCo.,Ltd. 2.911(d)(7)USAAgentv1.5 Signature: Title: Signature: Title:Manager Date:2024.8.28Date:2024.8.28 NOTE1:AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforservice ofprocess. Reference;FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

YongkangXiaowangIndustryandTradeCo.,Ltd. AgentAuthorization Company:YongkangXiaowangIndustryandTradeCo.,Ltd. Address:No.28-29Buildings,DayuantongIndustryArea,YongkangCity,Zhejiang Province,China,321300 ProductName:BoxingMusicMachine ModelNumber(s):QJB-7 ProductDescription:BoxingMusicMachine WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024.8.28 Name:ZhanZhangjun Title:Manager Company:YongkangXiaowangIndustryandTradeCo.,Ltd.

YongkangXiaowangIndustryandTradeCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024.8.28 Subject;RequestforConfidentiality FCCID:2BKI2-QJB-7 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. 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:ZhanZhangjun Title:Manager

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Labelandlabellocation 5cm 3cm BoxingMusicMachine FCCID:2BKI2-QJB-7

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FCCID:2BKI2-QJB-7 RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, EDR ModeMax Power(dBm) Max Power(mW) Frequency(MHz)Min. distance(mm) Calc. thresholds limit GFSK-4.9180.322240250.1003.0 π/4-DQPSK-5.0670.311248050.0983.0 8-DPSK-6.2800.236248050.0743.0 SoaSARtestisnotrequired.

Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dB Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

ProjectNo.:ZKT-2408019172E Page 1 of 77 FCCTESTREPORT FCCID:2BKI2-QJB-7 ReportNumber. .................................... :ZKT-2408019172E DateofTest ...................................................... :Aug.01,2024toAug.27,2024 Dateofissue.........................................:Aug.27,2024 Totalnumberofpages.........................77 TestResult .......................................... : PASS TestingLaboratory...........................: ShenzhenZKTTechnologyCo.,Ltd. Address ............................................... : 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................: YongkangXiaowangIndustryandTradeCo.,Ltd. Address...............................................: No.28-29Buildings,DayuantongIndustryArea,YongkangCity, ZhejiangProvince,China,321300 Manufacturer'sname......................: YongkangXiaowangIndustryandTradeCo.,Ltd. Address...............................................: No.28-29Buildings,DayuantongIndustryArea,YongkangCity, ZhejiangProvince,China,321300 Testspecification: Standard................................................: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 Testprocedure.....................................: / Non-standardtestmethod ................ :N/A TestReportFormNo. ....................... : TRF-EL-112_V0 TestReportForm(s)Originator.....: ZKTTesting MasterTRF........................................: Dated:2021-04-22 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname ..................................... :BoxingMusicMachine Trademark ........................................... :N/A Model/Typereference ......................... : QJB-7 Ratings..................................................: Input:5V1A Battery:3.7V,1200mAh,4.44Wh ProjectNo.:ZKT-2408019172E Page 2 of 77 Testingprocedureandtestinglocation: TestingLaboratory ....................................... :ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China Jim.Liu Testedby(name+signature).......................: Jackson.Fang Reviewer(name+signature).......................: LakeXie Approved(name+signature) ....................... : ProjectNo.:ZKT-2408019172E Page 3 of 77 TableofContents Page 1.VERSION..................................................................................................................................5 2.TESTSUMMARY...................................................................................................................6 2.1TESTFACILITY.........................................................................................................................7 2.2MEASUREMENTUNCERTAINTY......................................................................................7 3.GENERALINFORMATION..................................................................................................8 3.1GENERALDESCRIPTIONOFEUT...................................................................................8 3.2TestSetupConfiguration......................................................................................................10 3.3SupportEquipment.................................................................................................................10 3.4TestMode.................................................................................................................................11 3.5EQUIPMENTSLISTFORALLTESTITEMS................................................................12 4.EMCEMISSIONTEST........................................................................................................14 4.1Conductedemissions............................................................................................................14 4.1.1POWERLINECONDUCTEDEMISSIONLimits.......................................................14 4.1.2TESTPROCEDURE..........................................................................................................14 4.1.3DEVIATIONFROMTESTSTANDARD.......................................................................14 4.1.4TESTSETUP.......................................................................................................................15 4.1.5EUTOPERATINGCONDITIONS..................................................................................15 4.1.6TestResult............................................................................................................................16 4.2Radiatedemissions................................................................................................................18 4.2.1RadiatedEmissionLimits.................................................................................................18 4.2.2TESTPROCEDURE..........................................................................................................18 4.2.3DEVIATIONFROMTESTSTANDARD.......................................................................19 4.2.4TESTSETUP.......................................................................................................................19 4.2.5EUTOPERATINGCONDITIONS..................................................................................20 4.2.6TESTRESULTS..................................................................................................................21 5.RADIATEDBANDEMISSIONMEASUREMENT........................................................29 5.1TestRequirement:...................................................................…

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