FSUGMZN8Wireless Mouse

KYESYSTEMSCORP. No.492,Sec.5,ChongxinRd.,SanchongDist.,NewTaipeiCity24160,Taiwan 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Mar.20,26 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:FSUGMZN8 ProductName:WirelessMouse Thisletterservesasanattestationthattheequipmentidentifiedabove☐is/☒isnot(selectone)"covered" softwareasdefinedundertheFederalCommunicationsCommission(FCC)CoveredListrequirements,as outlinedinFCC22-84andKDB986446. Specifically,theundersignedcertifiesthattheequipmentforwhichauthorizationissought: 1.Doesnotcontaincybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessors,assignees,parents,subsidiaries,affiliates,oranyentitythathasrebranded orrelabeledsoftwareproducedbytheaforementionedentities. 2.Doesnothavethecapabilitytostore,run,ordeliveranysoftwareidentifiedontheFCCCoveredList, includingbutnotlimitedtocybersecurityandanti-virussoftware. Tosupportthisattestation,theappendixevaluationdocumentationhasbeenpreparedandisincludedinthe certificationfiling. Thisattestationisbasedonathoroughevaluationofthedevice'sdesign,functionality,andsoftware environment.Theundersignedaffirmsthattheinformationprovidedisaccurateandcompletetothebestof theirknowledge. Sincerelyyours, ApplicantSignature PrintedName:RickyChen Title:ProjectManager Address:No.492,Sec.5,ChongxinRd.,SanchongDist.,NewTaipeiCity24160,Taiwan Tel.:+886-2-2995-6645 Email:[email protected] KYESYSTEMSCORP. No.492,Sec.5,ChongxinRd.,SanchongDist.,NewTaipeiCity24160,Taiwan 2|Page EvaluationregardingtotheCoveredListSoftware: Compliance Methodology EvaluationProcessResults Deviceis Inherent compliance ☒ TheChipset(s)usedislimitedtorun theCybersecurityoranti-virus software. Compliance ☒ TheMemoryusedislimitedtorunthe Cybersecurityoranti-virussoftware. Compliance ☒ Thereisstoragecapacitylimitationfor storeorinstalltheCybersecurityor anti-virussoftware. Compliance ☒ Operatingsystemusedislimitedto run,installordelivertheCybersecurity oranti-virussoftware. Compliance Deviceisnot Inherent compliance ☐ EvaluationBasedonSoftware BillofMaterials(SBoM) Seeattached“SBoM“ Note:TheSBoMcontentislimited tothescopeofcoveredlist software(e.g.antivirusand cybersecuritysoftware). ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck

KYESYSTEMSCORP. No.492,Sec.5,ChongxinRd.,SanchongDist.,NewTaipeiCity24160,Taiwan AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Mar.20,26 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID: FSUGMZN8 KYESYSTEMSCORP.(“theapplicant”)certifiesthat,asofthedateofthefilingoftheapplication,the applicantisnotidentifiedontheCoveredList,establishedpursuantto§1.50002ofreferencechapter, asanentityproducing“covered”communicationequipment.Theequipmentforwhichauthorizationis soughtisnot“covered”telecommunicationsequipmentandvideosurveillanceequipmentproducedby entitiesidentifiedontheCommission’sCoveredListthatprohibitedfromreceivinganequipment authorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, ApplicantSignature PrintedName:RickyChen Title:ProjectManager Address:No.492,Sec.5,ChongxinRd.,SanchongDist.,NewTaipeiCity24160,Taiwan Tel.:+886-2-2995-6645 Email:[email protected]

KYESYSTEMSCORP. No.492,Sec.5,ChongxinRd.,SanchongDist.,NewTaipeiCity24160,Taiwan U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:2026.3.20 Ref:AttestationStatement–Part2.911(d)(7)filing FCCID:FSUGMZN8 KYESYSTEMSCORP.(“theapplicant”)certifiesthat,asofthedateofthefilingoftheapplication, GOLDENVICTORYINTERNATIONALTRADINGCOLTD(“theagent”)isourdesignatedU.S. agentforserviceofprocessfortheabovereferenceFCCID.Theapplicantacceptstomaintainan agentforserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegrantee haspermanentlyterminatedallmarketingandimportationoftheapplicableequipmentwithinthe U.S.,ortheconclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingthe equipment,whicheverislater.Theapplicantfurtheracknowledgesitisourresponsibilitytoinform theFCCwhenevertheagentinformationchanges. GOLDENVICTORYINTERNATIONALTRADINGCOLTD("theagent)understanditistheagent's obligationtoacceptserviceofprocessintheUnitedStatesformattersrelatedtotheapplicable equipment,andatthephysicalU.S.addressandemailaddress. DesignatedU.S.Agent CompanyName:GOLDENVICTORYINTERNATIONALTRADINGCOLTD FRN:0036377570 Address:11016THSTREETSUITE1400 DENVER,CO80202UnitedStates Signature: ContactPerson:LeonHowar Tel:(337)255-0461Email: [email protected] Applicant CompanyName:KYESYSTEMSCORP. FRN:0005897442 Address: No.492,Sec.5,ChongxinRd.,SanchongDist., NewTaipeiCity24160,Taiwan Signature: ContactPerson: RickyChen Tel: +886-2-2995-6645 Email: [email protected]

KYESYSTEMSCORP. No.492,Sec.5,ChongxinRd.,SanchongDist.,NewTaipeiCity24160,Taiwan 2026.3.20 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID: FSUGMZN8 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow:  BlockDiagram Schematics OperationalDescription Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. PursuanttoDA04-1705,theapplicantalsorequeststemporaryconfidentialtreatmentoftheexhibits outlinedbelowforaperiodof(upto180)daysfromthedateofequipmentauthorizationandpriorto marketingintheUnitedStatestopreventtheprematurereleaseofanysensitiveinformation.Applicantis awareoftheirresponsibilitytonotifyDERYCOMintheeventinformationregardingtheproductorthe productismadeavailabletothepublicbeforetherequestedperiodhasexpired.  UserManual  InternalPhotos  ExternalPhotos TestSetupPhotos Sincerely, ApplicantSignature Title:ProjectManager Address:No.492,Sec.5,ChongxinRd.,SanchongDist.,NewTaipeiCity24160,Taiwan Tel.:+886-2-2995-6645 Email:[email protected]

KYESYSTEMSCORP. No.492,Sec.5,ChongxinRd.,SanchongDist.,NewTaipeiCity24160,Taiwan 2026.3.20 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID: FSUGMZN8 I,theundersigned,herebyauthorizeShenzhenZKTTechnologyCo.,Ltd.toactonourbehalfinall mattersrelatingtothisapplicationforequipmentcertification. AnyactcarriedoutbyShenzhenZKTTechnologyCo.,Ltd.shallhavethesameeffectasourownandI acknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsofcertification,as specifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswithKYESYSTEMSCORP. WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, (Signature) (FullnameofcontactpersonlistedonFCC’swebsite)RickyChen (Title)ProjectManager Tel.:+886-2-2995-6645 Fax:N/A Email:[email protected]

KYESYSTEMSCORP. ProductSimilarityDeclaration Productname:WirelessMouse Modelname:NX-8280SBT, NX-XXXXXXX,XX-XXXXXXX, XXXXXXXXXXXXXXXXXXXXXXXXXXXX(Xcanbe0-9&A-Z&a-z& Blank&"-"&"/") FCCID:FSUGMZN8 We(KYESYSTEMSCORP.)herebystatethatallthemodelsare electricalidenticalincludingthesamesoftwareparameterand hardwaredesign(i.e.,circuitdesign,PCBLayout,RF module/circuit,antennatype(s)andantennalocation,components onPCB,etc.,),samemechanicalstructureanddesign(including productenclosure,materials,etc.,),theonlydifferenceisthe modelname Signature: Name:RickyChen Title:ProjectManager Place,date:No.492,Sec.5,ChongxinRd.,SanchongDist.,NewTaipeiCity,24160,Taiwan.

Labelandlabellocation 3cm 1.5cm Note:TheLabelphotohasbeenflaggedfordisclosurerisk.Theclientcanacceptit. WirelessMouse FCCID:FSUGMZN8

FCCID:FSUGMZN8 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, 2.4G Mode E meas (dBμV/m) Max Power(dBm) Max Power(mW) Frequency(MHz) Min. distance(mm) Calc. thresholds limit GFSK94.26-0.897580.813282451.7350.254693.0 BLE ModeMax Power(dBm) Max Power(mW) Frequency(MHz)Min. distance(mm) Calc. thresholds limit GFSK2.8591.93240250.598713.0 SoaSARtestisnotrequired

Antenna Specification Shenzhen Huaxing Shuangchen Technology Co., Ltd Specifications Summary AntennaPhoto & Length ( mm ) ITEMSPEC. Model NamePCB Antenna CenterFrequency2402MHz 2451MHz 2480MHz 1.6dBi 1.48dBi 1.35dBi MAX.GAIN1.6dBi PolarizationHorizontal Azimuth Beam Pattern Omni-directional Impedance50Ω address：2nd Floor, East of Building E, Huichao Industrial Zone, Hengnan Road, Xixiang Street, Bao'an District, Shenzhen City 1.Mainantenna:2402MHz 1.1 Horizontal Frequency ( MHZ ):2402 AntennaPolarity :Horizontal MaximumValue ( dBi ):1.6 AverageGain ( dBi ):-1.4 MinimumGain ( dBi ):-61.26 1.2Vertical Frequency ( MHZ ):2402 AntennaPolarity :Vertical MaximumValue ( dBi ):-2.85 AverageGain ( dBi ):-12 MinimumGain ( dBi ):-64 2. Main antenna: 2451MHz 2.1 Horizontal Frequency ( MHZ ): 2451 Antenna Polarity : Horizontal Maximum Value ( dBi ): 1.34 Average Gain ( dBi ) : -1.2 Minimum Gain ( dBi ): -60 2.2Vertical Frequency ( MHZ ): 2451 Antenna Polarity : Vertical Maximum Value ( dBi ): -3.0 Average Gain ( dBi ) : -12 Minimum Gain ( dBi ): -54 3. Main antenna: 2480MHz 2.1 Horizontal Frequency ( MHZ ): 2480 Antenna Polarity : Horizontal Maximum Value ( dBi ): 1.4 Average Gain ( dBi ) : -2.5 Minimum Gain ( dBi ): -52 2.2Vertical Frequency ( MHZ ): 2480 Antenna Polarity : Vertical Maximum Value ( dBi ): -4.5 Average Gain ( dBi ) : -11 Minimum Gain ( dBi ): -50

ProjectNo.:ZKT-2601292137E Page1of40 FCCPart15CTestReport FCCID:FSUGMZN8 ReportNumber. .................................. : ZKT-25110726841E-2 DateofTest.......................................................: Feb.01,2026-Feb.09,2026 Dateofissue.........................................: Feb.09,2026 Totalnumberofpages .......................... 41 TestResult..........................................: PASS TestingLaboratory............................: ShenzhenZKTTechnologyCo.,Ltd. Address...............................................: 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................: KYESYSTEMSCORP. Address...............................................: No.492,Sec.5,ChongxinRd.,SanchongDist.,NewTaipeiCity, 24160,Taiwan. Manufacturer'sname......................: DongguanKunyingComputerProductsCo.,Ltd. Address...............................................: Building5,No.2DongyeRoad,HoujieTown,DongguanCity, GuangdongProvinceofChina.523950. Testspecification: Standard ................................................ : FCCCFRTitle47Part15SubpartCSection15.249 ANSIC63.10-2020+Cor1-2023 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.....................................:WirelessMouse Trademark...........................................:Genius Model/Typereference.........................: NX-8280SBT, NX-XXXXXXX,XX-XXXXXXX, XXXXXXXXXXXXXXXXXXXXXXXXXXXX(Xcanbe0-9&A-Z&a-z &Blank&"-"&"/") Ratings..................................................: Input:5V,1A Battery:3.7V,500mAh,1.85Wh ProjectNo.:ZKT-2601292137E Page2of40 Testingprocedureandtestinglocation: TestingLaboratory..........................................:ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China JimLiu Testedby(name+signature).......................: JacksonFang Reviewer(name+signature).......................: LakeXie Approved(name+signature).......................: ProjectNo.:ZKT-2601292137E Page3of40 TableofContentsPage 1.VERSION....................................................................................................................5 2.SUMMARYOFTESTRESULTS...............................................................................6 2.1TESTFACILITY.................................................................................................................7 2.2MEASUREMENTUNCERTAINTY....................................................................................7 3.GENERALINFORMATION........................................................................................8 3.1GENERALDESCRIPTIONOFEUT.................................................................................8 3.2DESCRIPTIONOFTESTMODES....................................................................................9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED..............9 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)......................................10 3.5EQUIPMENTSLISTFORALLTESTITEMS.................................................................11 4.EMCEMISSIONTEST.............................................................................................13 4.1CONDUCTEDEMISSIONMEASUREMENT..................................................................13 4.1.1POWERLINECONDUCTEDEMISSIONLimits...................................................13 4.1.2TESTPROCEDURE...............................................................................................13 4.1.3DEVIATIONFROMTESTSTANDARD..................................................................13 4.1.4TESTSETUP...........................................................................................................14 4.1.5EUTOPERATINGCONDITIONS...........................................................................14 4.2RADIATEDEMISSIONMEASUREMENT......................................................................14 4.2.1RADIATEDEMISSIONLIMITS...............................................................................15 4.2.2TESTPROCEDURE...............................................................................................16 4.2.3DEVIATIONFROMTESTSTANDARD..................................................................16 4.2.4TESTSETUP...........................................................................................................16 4.2.5EUTOPERATINGCONDITIONS...........................................................................17 5.Fieldstrengthoffundamental...............................................................................22 6.BANDWIDTHOFFREQUENCYBANDEDGE.......................................................30 6.1TESTREQUIREMENT:..............................................................................................30 6.2TESTPROCEDURE..................................................................................................30 6.3DEVIATIONFROMTESTSTANDARD.....................................................................30 6.4TESTSETUP..............................................................................................................31 6.5EUTOPERATINGCONDITIONS..............................................................................31 6.6TESTRESULT...........…

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