2A5TA-X50Speaker

FCC Caution: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

LocalRepresentativeLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(7),oftheCommission’sRules(47C.F.R.)weattestasfollowsfor theproductlistedbelow: FCCIDModelname 2A5TA-X50X50,X51,X52,X53,X60,X61,X62,X63,X70, X80,X90,F50,F51,F60,F61,F70,F80,F90 Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementwithoutexpirationdate US-AmericanPointofContactApplicant/ApprovalHolder SignatureSignature Company Name: LOBOSIOWAINCShenzhenZhengyunTechnology Co.,Ltd FRN:00364139610032132292 ContactName:HarleyLiWeiZeng Address:4623BittercreekDrColorado SpringsCO80922US Building6,17thFloor,BlockB, BCDEFG,BaonengTechnologyPark, QinghuVillage,QinghuCommunity, LonghuaStreet,LonghuaDistrict, Shenzhen,China Phone:+18188180538N/A Email:[email protected]@zykjyxgs321.wecom.work

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2A5TA-X50X50,X51,X52,X53,X60,X61,X62,X63,X70, X80,X90,F50,F51,F60,F61,F70,F80,F90 We, Applicant CompanyName:ShenzhenZhengyunTechnologyCo.,Ltd Address:Building6,17thFloor,BlockB,BCDEFG, BaonengTechnologyPark,QinghuVillage, QinghuCommunity,LonghuaStreet, LonghuaDistrict,Shenzhen,China Phone:N/A certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-06-16 SignatureDate PrintedNameofSignee:WeiZeng Company:ShenzhenZhengyunTechnology Co.,Ltd Phone:N/A Email:[email protected] Address:Building6,17thFloor,BlockB, BCDEFG,BaonengTechnologyPark,Qinghu Village,QinghuCommunity,LonghuaStreet, LonghuaDistrict,Shenzhen,China Fax:N/A

ShenzhenZhengyunTechnologyCo.,Ltd Building6,17thFloor,BlockB,BCDEFG,BaonengTechnologyPark,QinghuVillage,Qinghu Community,LonghuaStreet,LonghuaDistrict,Shenzhen,China Date:2026-06-16 FCCID:2A5TA-X50 ModelNumber:X50,X51,X52,X53,X60,X61,X62,X63,X70,X80,X90,F50,F51,F6 0,F61,F70,F80,F90 To:FederalCommunicationCommission AuthorizationandEvaluationDivision7435OaklandMillsRoad Columbia,MD21048 ToWhomItMayConcern, We,ShenzhenZhengyunTechnologyCo.,Ltdherebydeclarethatourproduct(Speaker ) ModelNumber:X50,X51,X52,X53,X60,X61,X62,X63,X70,X80,X90,F50,F51,F60,F61, F70,F80,F90electricalidentical,theSchematic,PCBlayout,structureandsoftwareare same,thedifferencebetweendifferentmodelsisthatinthisapplication,duetodifferent saleschannelsanddifferentmodelnames. Shouldyouhaveanyquestionsorcommentsregardingthismatter,pleasehave mybestattention. Sincerely, (Signed) Name/Title:WeiZeng/Generalmanager Company:ShenzhenZhengyunTechnologyCo.,Ltd Address:Building6,17thFloor,BlockB,BCDEFG,BaonengTechnologyPark,Qinghu Village,QinghuCommunity,LonghuaStreet,LonghuaDistrict,Shenzhen,China Phone:N/A FaxNumber:N/A E-Mail:[email protected]

ConfidentialityRequestLetter ForCertificationServiceintheUSA FederalCommunicationCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoParagraphs§0.457and0.459oftheCommission’sRules(47C.F.R.)andSection §552(b)(4)oftheFreedomofInformationAct,werequestconfidentialityforthe documentationofthefollowingproducts: FCCIDModelname 2A5TA-X50X50,X51,X52,X53,X60,X61,X62,X63,X70, X80,X90,F50,F51,F60,F61,F70,F80,F90 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-06-16 SignatureDate PrintedNameofSignee/Title:WeiZeng/Generalmanager Company:ShenzhenZhengyunTechnologyCo.,Ltd Address:Building6,17thFloor,BlockB,BCDEFG,Baoneng TechnologyPark,QinghuVillage,QinghuCommunity, LonghuaStreet,LonghuaDistrict,Shenzhen,China Phone:-- Fax:-- Email:[email protected]

ReportNo.:CISRR26042848601 Page 61 of 64 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR26042848601 Page 62 of 64

Label Size:30mm*20mm Speaker Model No.:X50 FCC ID: 2A5TA-X50 Label Location

ReportNo.:CISRR26042848601 Page 63 of 64 9.2.InternalPhotos ANT ReportNo.:CISRR26042848601 Page 64 of 64 ------Endofthereport-----

ReportNo.: CISRR26042848602 Reporttemplateversion:CISE-TR-001-A0Page:1of6 TESTREPORT RFExposureEvaluation ReportNo.: CISRR26042848602 ProjectNo.: CISR260428486 FCCID:2A5TA-X50 Applicant:ShenzhenZhengyunTechnologyCo.,Ltd Address: Building6,17thFloor,BlockB,BCDEFG,BaonengTechnology Park,QinghuVillage,QinghuCommunity,Longhua Street,LonghuaDistrict,Shenzhen,China Manufacturer: DongguanQuandingchenIntelligentTechnologyCo.,Ltd Address:No.221,SouthDongxingAvenue,TangxiaTown,DongguanCity,China ProductName:Speaker TradeMark:Kinglucky Model/Typereference: X50 ListedModel(s): X51,X52,X53,X60,X61,X62,X63,X70,X80,X90,F50,F51,F60,F61,F70,F80,F90 Standard:47CFRPart2.1093 Issuedate:June4,2026 Testresult:Complied Reviewedby:MorganTan Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.: CISRR26042848602 Reporttemplateversion:CISE-TR-001-A0Page:2of6 Contents 1.APPLICABLESTANDARD..............................................................................................................................3 2.REPORTVERSION..........................................................................................................................................3 3.RADIOSPECIFICATIONDESCRIPTION........................................................................................................4 4.SIMULTANEOUSTRANSMISSIONANALYSIS.............................................................................................4 5.TESTRESULT.................................................................................................................................................5 5.1.STANDALONETRANSMISSION.................................................................................................................5 5.2.SIMULTANEOUSTRANSMISSION.............................................................................................................6 ReportNo.: CISRR26042848602 Reporttemplateversion:CISE-TR-001-A0Page:3of6 1.APPLICABLESTANDARD 47CFRPart2.1093:Radiofrequencyradiationexposureevaluation:portabledevices ANSIC95.1–2019:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. 47CFRPart1.1307:Actionsthatmayhaveasignificantenvironmentaleffect,forwhichEnvironmental Assessments(EAs)mustbeprepared. 2.REPORTVERSION VersionNo.IssuedateDescription 00June4,2026Original ReportNo.: CISRR26042848602 Reporttemplateversion:CISE-TR-001-A0Page:4of6 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThesedevicesuseasingletransmittermoduleandantennaforbothBT,BTcannottransmitsimultaneously. ReportNo.: CISRR26042848602 Reporttemplateversion:CISE-TR-001-A0Page:5of6 5.TESTRESULT 5.1.Standalonetransmission Limit: KDB447498D01v06,Clause4.3.1a) For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-g SARtestexclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation31The resultisroundedtoonedecimalplaceforcomparison Thevalues3.0and7.5arereferredtoasnumericthresholdsinstepb)below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm, andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto4.1f)isappliedtodetermine SARtestexclusion. Result: Passed TestData Radiotype Frequency (GHz) Maximum output power #1 (dBm) Antenna gain #2 (dBi) Maximum EIRP #3 (dBm) Maximum tune-up EIRP #4 (dBm) Minimum distance (mm) Evaluated value LimitResult Bluetooth2.4410.032.4992.533.005.000.62353.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.: CISRR26042848602 Reporttemplateversion:CISE-TR-001-A0Page:6of6 5.2.Simultaneoustransmission Limit: KDB447498D01v06,Clause4.3.2,47CFRPart1.1307 InthecaseofxedRFsourcesoperatinginthesametime-averagingperiod,orof multiplemobileorportableRFsourceswithinadeviceoperatinginthesametime averagingperiod,ifthesumofthefractionalcontributionstotheapplicablethresholds islessthanorequalto1asindicatedinthefollowingequation. Where a=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(B)ofthissectionforP,includingexistingexempttransmittersandthosebeing added. b=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(C)ofthissectionforThresholdERP,includingexistingexempttransmittersand thosebeingadded. c=numberofexistingfixed,mobile,orportableRFsourceswithknownevaluationforthespeci edminimumdistanceincludingexistingevaluatedtransmitters. P j =theavailablemaximumtime-averagedpowerortheERP,whicheverisgreater,forxed, mobile,orportableRFsourceiatadistancebetween0.5cmand40cm(inclusive). P th,j =theexemptionthresholdpower(P)accordingtoparagraph(b)(3)(i)(B)ofthissectionfor xed,mobile,orportableRFsourcei. ERP j =theERPoffixed,mobile,orportableRFsourcej. ERP th,j =exemptionthresholdERPforfixed,mobile,orportableRFsourcej,atadistanceofat leastλ/2πaccordingtotheapplicableformulaofparagraph(b)(3)(i)(C)ofthissection. Evaluated k =themaximumreportedSARorMPEoffixed,mobile,orportableRFsourcekeither inthedeviceoratthetransmittersitefromanexistingevaluationatthelocationofexposure. ExposureLimit k =eitherthegeneralpopulation/uncontrolledmaximumpermissibleexposure (MPE)orspecicabsorptionrate(SAR)limitforeachxed,mobile,orportableRFsourcek, asapplicablefrom§1.1310ofthischapter. Result:NotApplicable --------EndofR…

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AntennaDataSheet SPECIFICATIONS Frequency(MHz) 2400-2480 PeakGain(dBi) 2.499 AverageGain(dBi) >-4 VSWR <3.2 Impedance(Ω) 50Ω AntennaTypePlannarInvertedFAntennaonboard Polarization Linear Manufacturer ShenzhenHuafuFastCircuitCoLtd Address Room103,No.1XingyeEastRoad,DawangshanCommunity,Shajing Subdistrict,Bao'anDistrict,ShenzhenCity,China 测试环境：中科国技暗室测试系统 Testingenvironment:ZhongkeGuojidarkroomtestingsystem 天线实物及物理尺寸 Physicalantennaanddimensions 天线无源 S 参数： 驻波比(VSWR)、回波损耗(ReturnLoss)及史密斯圆图 E5071CNetworkAnalyzer 1ActiveCh/Trace2Response3Stimulus4Mkr/Analysis5InstrState Stop3GHzPExtcorl 2023-02-0815:59 1Start2GHz Failedtowritefile IFBW70kHz 天线效率及增益 Frequency(MHz) Gain(dBi) Effciency(%) AverageGain(dBi) Efficiency(dB) 24001.43359.329%-2.717-2.267 24100.92751.861%-3.416-2.852 24200.82952.112%-3.166-2.831 24300.88149.299%-3.258-3.072 24401.19250.672%-3.144-2.952 24501.68853.067%-2.735-2.752 24602.19459.423%-2.276-2.260 24702.11856.680%-2.438-2.466 24802.49961.727%-2.112-2.095 Average1.52954.908%-2.806-2.616 Peak2.49961.727%-2.112-2.095 一30HonZontal 天线2440MHz2D-ThetaPattern 2D-ThetaDataLineHeatMap 3D 90270 天线2440MHz2D-PhiPattern 2D 2DPhiPhiDataLineHeatMap 3D —0HorZental —0Vetical 一0Tetsal 二0Verical 一30Total 60HariZental 一60Vertical 一60Total 一0HonZenta —90Vertica --90Total 120mncots -=120Total --150HaniZontal =150Wertical 30DTon 270 0 90 天线2440 MHz3D-HorizontalPattern 天线2440 MHz3D-VerticalPattern Vertical -10 -20 X 2440MHz3D-TotalPattern Total -10 -20 X Z

ReportNo.:CISRR26042848601 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of57 TESTREPORT ReportNo.CISRR26042848601 ProjectNo.CISR260428486 FCCID2A5TA-X50 ApplicantShenzhenZhengyunTechnologyCo.,Ltd Address Building6,17thFloor,BlockB,BCDEFG,BaonengTechnology Park,QinghuVillage,QinghuCommunity,Longhua Street,LonghuaDistrict,Shenzhen,China ManufacturerDongguanQuandingchenIntelligentTechnologyCo.,Ltd AddressNo.221,SouthDongxingAvenue,TangxiaTown,DongguanCity,China ProductNameSpeaker TrademarkKinglucky Model/TypereferenceX50 ListedModel(s)X51,X52,X53,X60,X61,X62,X63,X70,X80,X90,F50,F51,F60,F61,F70,F80,F90 Standard 47CFRPart15.247 DateofsamplereceiptApril30,2026 TestdateApril30,2026toJune4,2026 IssuedateJune4,2026 TestresultComplied Reviewedby:MorganTan Approvedby:HansHu ReportNo.:CISRR26042848601 Page 2 of 57 Contents 1.STANDARDANDAPPLICABLETESTMETHODS........................................................................................3 2.REPORTVERSION..........................................................................................................................................3 3.TESTDESCRIPTION.......................................................................................................................................4 4.SUMMARY........................................................................................................................................................5 4.1.ProductDescription*..................................................................................................................................5 4.2.RadioSpecificationDescription*..............................................................................................................5 4.3.ModificationofEUT.....................................................................................................................................6 4.4.Deviationfromstandards...........................................................................................................................6 4.5.TestingSite...................................................................................................................................................6 5.TESTCONFIGURATION.................................................................................................................................7 5.1.Testfrequencylist.......................................................................................................................................7 5.2.Descriptionsoftestmode...........................................................................................................................7 5.3.Supportunitusedintestconfiguration....................................................................................................7 5.4.Testsampleinformation.............................................................................................................................7 5.5.Environmentalconditions...........................................................................................................................7 5.6.Statementofthemeasurementuncertainty.............................................................................................8 5.7.EquipmentUsedduringtheTest................................................................................................................9 6.TESTRESULTS.............................................................................................................................................11 6.1.EvaluationResults(Evaluation)...............................................................................................................11 6.1.1.AntennaRequirement.............................................................................................................................11 6.2.RadioSpectrumMatterTestResults(RF)...............................................................................................12 6.2.1.ConductedEmissionatACpowerline.................................................................................................12 6.2.2.20dBBandwidth......................................................................................................................................16 6.2.3.MaximumConductedOutputPower.....................................................................................................18 6.2.4.ChannelSeparation................................................................................................................................19 6.2.5.NumberofHoppingFrequencies..........................................................................................................20 6.2.6.DwellTime...............................................................................................................................................21 6.2.7.Conductedbandedgeandspuriousemission...................................................................................23 6.2.8.Radiatedbandedgeemission...............................................................................................................25 6.2.9.RadiatedSpuriousEmission(below1GHz).........................................................................................31 6.2.10.RadiatedSpuriousEmission(Above1GHz)......................................................................................35 7.APPENDIXREPORT......................................................................................................................................43 7.1.ConductedOutputPower.........................................................................................................................43 7.2.20dBBandwidth.........................................................................................................................................45 7.3.CarrierFrequenciesSeparation......…

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ReportNo.:CISRR26042848601 Page 59 of 64 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) ReportNo.:CISRR26042848601 Page 60 of 64 RadiatedSpuriousEmission(below1GHz)