2BVQE-JT98AKeyboard

FCC Statement: 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. 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 guarant ee 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. Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environm ent. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

ShenzhenJiutaoCross-BorderE-CommerceServicesCo.,Ltd. (2026.4.23) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(i)requestfor(FCCID:2BVQE-JT98A) [GuangzhouRuiyuMaoyiYouxiangongsi](“theapplicant”)certifiesthattheequipment forwhichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceiving anequipmentauthorizationpursuanttosection2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,theequipmentdoes notutilizecyber-securityoranti-virussoftwarefromKasperskyLab,Inc,oranyofits successorsandassignees,whichisalsoonthe“coveredlist”. Sincerely, (Applicantsignature) (Applicantprintedname)YinaWu ShenzhenJiutaoCross-BorderE-CommerceServicesCo.,Ltd. (2026.4.23) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(ii)requestfor(FCCID:2BVQE-JT98A) [GuangzhouRuiyuMaoyiYouxiangongsi](“theapplicant”)certifiesthat,asofthedate ofthefilingoftheapplication,theapplicantisnotidentifiedontheCoveredListasan entityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname) YinaWu

ShenzhenJiutaoCross-BorderE-CommerceServicesCo.,Ltd. AgentAuthorizationLetter 2026-4-23 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 USA RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeShenzhenMostTechnologyServiceCo.,Ltd.toact onourbehalfinallmattersrelatingtoapplicationforequipmentauthorization,includingthe signingofalldocumentsrelatingtothesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothe denialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuse Actof1988,21U.S.C.853(a). Thisagreementexpiresoneyearfromthecurrentdate. Sincerely, Name:YinaWu Position:MANAGER CompanyName:ShenzhenJiutaoCross-BorderE-CommerceServicesCo.,Ltd. Address:No.101,BuildingC,YidaIndustrialZone,2ShangxueRoad,Xinxue Community,BantianStreet,LonggangDistrict,Shenzhen Tel/Fax18813900820 E-Mail:[email protected]

ShenzhenJiutaoCross-BorderE-CommerceServicesCo.,Ltd. LongTermConfidentialityRequestLetter 2026-4-23 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 USA RE:CONFIDENTIALITYREQUESTFOR(FCCID:2BVQE-JT98A) ToWhomItMayConcern: Thisletterservesasanofficialrequestforconfidentialityundersections0.457and0.459of CFR47.Wehaverequestedthatthe -e.g.Blockdiagram -e.g.SCH -e.g.OperationalDescription requiredtobesubmittedwiththisapplicationbepermanentlywithheldfrompublicreview. Theabovedocumentsarecompanyproprietaryinformationthatcouldnevergetinto thepossessionofyourcompetition. Pleasecontactmeifthereisanyinformationyoumayneed. Sincerely, Name:YinaWu Position:MANAGER CompanyName:ShenzhenJiutaoCross-BorderE-CommerceServicesCo.,Ltd. Address:No.101,BuildingC,YidaIndustrialZone,2ShangxueRoad,Xinxue Community,BantianStreet,LonggangDistrict,Shenzhen Tel/Fax18813900820 E-Mail:[email protected]

Modeldifferenceletter 2026.4.23 DearMETReviewer, ThisisanewApplicationfromShenzhenJiutaoCross-BorderE-CommerceServices Co.,Ltd. ModelNo.:JT98A、JT98B、JT98C、JT98D、JT98E、JT98BF、JT98G、JT98H、 JT98I、JT98J、JT98K、JT98L、JT98M、JT98N、JT98O、 JT98P 、 JT98Q 、 JT98R 、 JT98S 、 JT98T Onlythemodel“JT98A”wastested,Theirelectricalcircuitdesign,layout,components usedandinternalwiringareidentical,OnlythemodelnameandAppearancecolouris different. Thankyouforyourcooperation! Yourssincerely, Signatory: Name:YinaWu Position: MANAGER CompanyName: ShenzhenJiutaoCross-BorderE-CommerceServicesCo.,Ltd. Address: No.101,BuildingC,YidaIndustrialZone,2ShangxueRoad,XinxueCommunity, BantianStreet,LonggangDistrict,Shenzhen Tel/Fax 18813900820 E-Mail: [email protected]

ModelNo.:JT98A FRONTVIEWOFSAMPLE BACKVIEWOFSAMPLE ModelNo.:JT98A LEFTVIEWOFSAMPLE RIGHTVIEWOFSAMPLE ModelNo.:JT98A TOPVIEWOFSAMPLE BOTTOMVIEWOFSAMPLE ModelNo.:JT98A PHOTOOFTHEENTIRESAMPLE PHOTOOFTHEENTIRESAMPLE ModelNo.:JT98A PHOTOOFTHEENTIRESAMPLE

Model:JT98A Keyboard FCCID:2BVQE-JT98A

ModelNo.:JT98A Page1of3 INTERNALPHOTOOFSAMPLE INTERNALPHOTOOFSAMPLEPCB ModelNo.:JT98A Page2of3 INTERNALPHOTOOFSAMPLEPCB AntennaLocation ModelNo.:JT98A Page3of3 BATTERYPHOTOOFSAMPLE

ShenzhenMostTechnologyServiceCo.,Ltd. EastA,1FloorofNewAolinFactoryBuilding,LangshanErluNorthDistrict, Hi-TechIndustryPark,Nanshan,Shenzhen,Guangdong,People’sRepublic ofChina TESTREPORT ReportReferenceNo........................: FCCID.................................................: MTEB26040119-H 2BVQE-JT98A Compiledby (position+printedname+signature) .. :FileadministratorsAlisaLuo Supervisedby (position+printedname+signature) .. :TestEngineerSunnyDeng Approvedby (position+printedname+signature)..: ManagerYvetteZhou Dateofissue.........................................:Apr.14,2026 RepresentativeLaboratoryName.:ShenzhenMostTechnologyServiceCo.,Ltd. Address ................................................. : EastA,1FloorofNewAolinFactoryBuilding,LangshanErluNorth District,Hi-TechIndustryPark,Nanshan,Shenzhen,Guangdong, People’sRepublicofChina Applicant’sname ............................... :ShenzhenJiutaoCross-BorderE-CommerceServicesCo.,Ltd. Address.................................................: No.101,BuildingC,YidaIndustrialZone,2ShangxueRoad, XinxueCommunity,BantianStreet,LonggangDistrict,Shenzhen Testspecification/Standard ............ : 47CFRPart1.1307 47CFRPart2.1093 TRFOriginator......................................:ShenzhenMostTechnologyServiceCo.,Ltd. ShenzhenMostTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenMostTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenMostTechnologyServiceCo.,Ltd.takesnoresponsibilityforandwillnotassume liabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. Testitemdescription........................:Keyboard TradeMark ............................................ : N/A Model/Typereference ......................... : JT98A ListedModels ...................................... : JT98B、JT98C、JT98D、JT98E、JT98BF、JT98G、JT98H、 JT98I、JT98J、JT98K、JT98L、JT98M、JT98N、JT98O、 JT98P、JT98Q、JT98R、JT98S、JT98T ModulationType .................................. :GFSK OperationFrequency .......................... :From2402MHzto2480MHz Hardwareversion: V1.0 Softwareversion: V1.0 Rating: 5VDC,1A battery:3.7V,2000mAh Result.....................................................:PASS ReportNo.:MTEB26040119-HPage 2 of 6 TESTREPORT EquipmentunderTest:Keyboard Model/Type:JT98A ListedModels: JT98B、JT98C、JT98D、JT98E、JT98BF、JT98G、JT98H、 JT98I、JT98J、JT98K、JT98L、JT98M、JT98N、JT98O、 JT98P、JT98Q、JT98R、JT98S、JT98T Remark Onlythemodel“ JT98A ”wastested,Theirelectricalcircuit design,layout,componentsusedandinternalwiringareidentical, OnlythemodelnameandAppearancecolourisdifferent. Applicant: ShenzhenJiutaoCross-BorderE-CommerceServicesCo.,Ltd. Address: No.101,BuildingC,YidaIndustrialZone,2ShangxueRoad,Xinxue Community,BantianStreet,LonggangDistrict,Shenzhen Manufacturer: DongguanHaojianElectronicsCo.,Ltd. Address: Room202,Building1,No.49,XianfengRoad,Pingshan,Tangxia Town,DongguanCity,GuangdongProvince TestResult:PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:MTEB26040119-HPage 3 of 6 Contents 1.RevisionHistory RevisionIssueDateRevisionsRevisedBy 002026.04.14InitialIssueAlisaLuo ReportNo.:MTEB26040119-HPage 4 of 6 2.1RFExposureComplianceRequirement 2.1.1StandardRequirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06 4.3.1.StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbodyand 10-gextremitySARevaluationforgeneralpopulationexposureconditions,bymeasurementornumerical simulation,isnotrequiredwhenthecorrespondingSARExclusionThresholdcondition,listedbelow,is satisfied. 2.1.2Limits The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparationdistances≤50mm aredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]·[√f(GHz)] ≤3.0for1-gSARand≤7.5for10-gextremitySAR,where Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mmand fortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtestseparation distanceis<5mm,adistanceof5mmisappliedtodetermineSARtestexclusion ReportNo.:MTEB26040119-HPage 5 of 6 2.1.3EUTRFExposure EIRP=PT*GT=(ExD)²/30 where: PT=transmitteroutputpowerinwatts, GT=numericgainofthetransmittingantenna(unitless), E=electricfieldstrengthinV/m,---10 (dBμV/m)/20) /10 6 , D=measurementdistanceinmeters(m)---3m, SoPT=(ExD)²/30/GT Theworstcase(refertoreportMTEB26040119-R)isbelow: Antennapolarization:Horizontal Frequency(MHz)Level(dBuV/m)Polarization 240283.3Peak 240262.34Average Antennapolarization:Vertical Frequency(MHz)Level(dBuV/m)Polarization 248082.54Peak 248062.23Average For2403MHz: Fieldstrength=83.3dBuV/m Antgain:-3.17dBi;soAntnumericgain=0.48 EIRP=PT*GT=(ExD)²/30=(10 (dBμV/m)/20 )/10 6 *3) 2 /30=0.000064W SoPT=EIRP/GT=0.000064W/0.48*1000=0.1333mW So(0.1333mW/5mm)*√2.402GHz=0.0411 exclusion=0.0411<3.0for1-gSAR SotheSARreportisnotrequired. ReportNo.:MTEB26040119-HPage 6 of 6 MeasurementData BLE GFSK Testchannel PeakOutputPower (dBm) Tuneuptolerance (dBm) Maximumtune-upPower (dBm) Lowest(2402MHz)-2.02-2.02±1-1.02 Middle(2440MHz)-2.27-2.27±1-1.27 Highest(2480MHz)-3.76-3.76±1-2.76 Worstcase: GFSK Channel MaximumPeak ConductedOutput Power (dBm) Maximumtune-up Power Calculated value Exclusion threshold SARTest Exclusion (dBm)(mW) Lowest(2402MHz)-2.02-1.020.790.243.0Yes

ShenzhenMostTechnologyServiceCo.,Ltd. No.5,2ndLangshanRoad,NorthDistrict,Hi-techIndustrialPark,Nanshan, Shenzhen,Guangdong,China. TESTREPORT FCCRulesPart15.247 ReportReferenceNo........................: FCCID................................................: MTEB26040119-R1 2BVQE-JT98A Compiledby (position+printedname+signature)..:FileadministratorsAlisaLuo Supervisedby (position+printedname+signature)..:TestEngineerSunnyDeng Approvedby (position+printedname+signature)..: ManagerYvetteZhou Dateofissue.........................................:Apr.14,2026 RepresentativeLaboratoryName.:ShenzhenMostTechnologyServiceCo.,Ltd. Address ................................................. : EastA,1/F.,NewAolinFactoryBuiding,LangshanErlu,North Area,Hi-TechIndustrialPark,NanshanDistrict,Shenzhen, Guangdong,China Applicant’sname...............................:ShenzhenJiutaoCross-BorderE-CommerceServicesCo.,Ltd. Address.................................................: No.101,BuildingC,YidaIndustrialZone,2ShangxueRoad, XinxueCommunity,BantianStreet,LonggangDistrict,Shenzhen Testspecification/Standard ............ : FCCRulesPart15.247 TRFOriginator......................................:ShenzhenMostTechnologyServiceCo.,Ltd. ShenzhenMostTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenMostTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenMostTechnologyServiceCo.,Ltd.takesnoresponsibilityforandwillnotassume liabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. Testitemdescription........................:Keyboard TradeMark...........................: N/A Model/Typereference ......................... : JT98A ListedModels ..................................... : JT98B、JT98C、JT98D、JT98E、JT98BF、JT98G、JT98H、 JT98I、JT98J、JT98K、JT98L、JT98M、JT98N、JT98O、 JT98P、JT98Q、JT98R、JT98S、JT98T ModulationType .................................. :GFSK OperationFrequency .......................... :From2402MHzto2480MHz HardwareVersion.................................V1.0 SoftwareVersion...................................V1.0 Rating ..................................................... : 5VDC,1A battery:3.7V,2000mAh Result ..................................................... :PASS ReportNo.:MTEB26040119-R1Page 2 of 37 TESTREPORT EquipmentunderTest:Keyboard Model/Type:JT98A ListedModels: JT98B、JT98C、JT98D、JT98E、JT98BF、JT98G、JT98H、 JT98I、JT98J、JT98K、JT98L、JT98M、JT98N、JT98O、 JT98P、JT98Q、JT98R、JT98S、JT98T Remark Onlythemodel“JT98A”wastested,Theirelectricalcircuit design,layout,componentsusedandinternalwiringareidentical, OnlythemodelnameandAppearancecolourisdifferent. Applicant: ShenzhenJiutaoCross-BorderE-CommerceServicesCo.,Ltd. Address: No.101,BuildingC,YidaIndustrialZone,2ShangxueRoad,Xinxue Community,BantianStreet,LonggangDistrict,Shenzhen Manufacturer: DongguanHaojianElectronicsCo.,Ltd. Address: Room202,Building1,No.49,XianfengRoad,Pingshan,Tangxia Town,DongguanCity,GuangdongProvince TestResult:PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:MTEB26040119-R1Page 3 of 37 Contents 1.REVISIONHISTORY.........................................................................................................................4 2.TESTSTANDARDS............................................................................................................................5 3.SUMMARY...............................................................................................................................................6 3.1.GeneralRemarks.........................................................................................................................................6 3.2.ProductDescription....................................................................................................................................6 3.3.EquipmentUnderTest................................................................................................................................6 3.4.ShortdescriptionoftheEquipmentunderTest(EUT)............................................................................6 3.5.EUToperationmode....................................................................................................................................7 3.6.BlockDiagramofTestSetup......................................................................................................................7 3.7.TestItem(EquipmentUnderTest)Description*.......................................................................................7 3.8.AuxiliaryEquipment(AE)Description.......................................................................................................7 3.9.AntennaInformation*..................................................................................................................................8 3.10.EUTconfiguration......................................................................................................................................8 3.11.Modifications..............................................................................................................................................8 4.TESTENVIRONMENT.......................................................................................................................9 4.1.Addressofthetestlaboratory...................................................................................................................9 4.2.Environmentalconditions...........................................................................................................................9 4.3.TestDescription.........................................................................................................................................10 4.4.Statementofthemeasurementuncertainty...........…

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1.Antenna: Onboardantenna: 2.Technicalparameters Frequency2.4GHz SizeL=12.3mm, H=4.76mm GainValue-3.17dBi Bandwidth280MHz OperatingTemperature-30°C~85°C 3.Antennadata: Frequency(MHz)Gain(dBi)Efficiency(dB)Efficiency(%) 2380-3.53-8.5713.90 2390-3.65-8.6813.54 2400-4.65-9.6310.88 2410-5.44-10.259.45 2420-4.97-9.9710.07 2430-4.03-9.0312.50 2440-3.51-8.5413.99 2450-3.86-8.9112.85 2460-3.84-8.9712.69 2470-3.41-8.4414.32 2480-3.17-8.3714.57 2490-3.63-8.9912.62 2500-4.08-9.4811.28

ModelNo.:JT98A CETESTSETUP RETESTSETUP ModelNo.:JT98A RETESTSETUP