2BUS2-FLYWireless mouse

Shenzhenkebairuitechnologyco.,ltd Building2,VankeXingchengOfficeBuilding,ShajingXinqiaoStreet,BaoanDistrict, ShenzhenCity,GuangdongProvince,China AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Mar.9,26 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2BUS2-FLY Shenzhenkebairuitechnologyco.,ltd(“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredList,establishedpursuantto§1.50002of referencechapter,asanentityproducing“covered”communicationequipment.Theequipmentfor whichauthorizationissoughtisnot“covered”telecommunicationsequipmentandvideosurveillance equipmentproducedbyentitiesidentifiedontheCommission’sCoveredListthatprohibitedfrom receivinganequipmentauthorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, ApplicantSignature PrintedName:ZengquanLong Title:Manager Address:Building2,VankeXingchengOfficeBuilding,ShajingXinqiaoStreet,BaoanDistrict,ShenzhenCity, GuangdongProvince,China Tel.:18301154418 Email:[email protected]

Shenzhenkebairuitechnologyco.,ltd Address:Building2,VankeXingchengOfficeBuilding,ShajingXinqiaoStreet,BaoanDistrict, ShenzhenCity,GuangdongProvince,China 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Mar.9,26 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:[2BUS2-FLY] 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:ZengquanLong Title:Manager Address:Building2,VankeXingchengOfficeBuilding,ShajingXinqiaoStreet,BaoanDistrict,ShenzhenCity, GuangdongProvince,China Tel.:18301154418 Email:[email protected] Shenzhenkebairuitechnologyco.,ltd Address:Building2,VankeXingchengOfficeBuilding,ShajingXinqiaoStreet,BaoanDistrict, ShenzhenCity,GuangdongProvince,China 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

Shenzhenkebairuitechnologyco.,ltd Address:Building2,VankeXingchengOfficeBuilding,ShajingXinqiaoStreet,BaoanDistrict,Shenzhen City,GuangdongProvince,China FileNo.:2026SNUSDA027 U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:Mar.4,26 Ref: AttestationStatement–Part 2.911(d)(7)filing FCCID:2BUS2-FLY [Shenzhenkebairuitechnologyco.,ltd](“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,[TTSMARKETINC.](“theagent”)isourdesignatedU.S.agentforserviceof processfortheabovereferenceFCCID.Theapplicantacceptstomaintainanagentforserviceof processintheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,orthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingtheequipment, whicheverislater.TheapplicantfurtheracknowledgesitisourresponsibilitytoinformtheFCC whenevertheagentinformationchanges. [TTSMARKETINC.]("theagent)understanditistheagent'sobligationtoacceptserviceofprocess intheUnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddress. DesignatedU.S.Agent CompanyName:TTSMARKETINC. FRN:0036806057 GC:N/A Address:1178BroadwaySte324,NewYork,NY 10001.USA Signature: ContactPerson:MaverickLim Tel:001-(646)305-2908 Applicant CompanyName:Shenzhenkebairuitechnologyco.,ltd FRN:0037977071 Address:Building2,VankeXingchengOffice Building,ShajingXinqiaoStreet,BaoanDistrict, ShenzhenCity,GuangdongProvince,China Signature Email:[email protected] : ContactPerson:ZengquanLong Tel:18301154418Email:[email protected]

Shenzhenkebairuitechnologyco.,ltd Address:Building2,VankeXingchengOfficeBuilding,ShajingXinqiaoStreet,BaoanDistrict, ShenzhenCity,GuangdongProvince,China (Mar.4,2026) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2BUS2-FLY 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 Sincerely, (Signature) Title:Manager Address:Building2,VankeXingchengOfficeBuilding,ShajingXinqiaoStreet,BaoanDistrict,Shenzhen City,GuangdongProvince,China Tel.:18301154418 Email:[email protected]

Shenzhenkebairuitechnologyco.,ltd Address:Building2,VankeXingchengOfficeBuilding,ShajingXinqiaoStreet,BaoanDistrict, ShenzhenCity,GuangdongProvince,China (Mar.9,2026) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2BUS2-FLY I,theundersigned,herebyauthorize(ShenzhenBKCTestingCo.,Ltd.)toactonourbehalfinallmatters relatingtothisapplicationforequipmentcertification. Anyactcarriedoutby(ShenzhenBKCTestingCo.,Ltd.)shallhavethesameeffectasourownandI acknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsofcertification,as specifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswith(Shenzhenkebairui technologyco.,ltd). WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, (Signature) (ZengquanLong) (Title):Manager Tel:18301154418 Fax: Email:[email protected]

FCCID:2BUS2-FLY ExternalPhotos

Label: Wirelessmouse Model:FLY FCCID:2BUS2-FLY

FCCID:2BUS2-FLY InternalPhotos PCBAntenna

FCCID:2BUS2-FLY RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤5.0mm,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, SoaSARtestisnotrequired ModeFreque ncy (MHz) Max Power (dBm) Target power W/ tolerance (dBm) Maxtune uppower tolerance (dBm) Max Power (mW) Min. Distanc e (mm) Calc. threshol ds limit BLEGFSK 2402-2.52 -2±1 -10.79435.000.24623.0 2441-2.25 -2±1 -10.79435.000.24823.0 2480-2.37 -2±1 -10.79435.000.25023.0 2.4GGFSK 2403-2.26 -2 ± 1 -10.79435.000.24633.0 2442-2.28 -2 ± 1 -10.79435.000.24833.0 2480-2.53 -2 ± 1 -10.79435.000.25023.0

Antenna Specification Specifications Summary ITEMSPEC. Model NameIBM 2.4 GHz Center Frequency 24 05MHz 24 41 MHz 24 75 MHz -3.04 dBi -2.39dBi -2.95 dBi MAX. GAIN-2.39 dBi PolarizationHorizontal Azimuth Beam PatternOmni-directional Impedance50Ω Antenna Length Antenna Photo & Length(mm) 2.16cm 1. Main antenna : 2405 MHz 1. 1 Horizontal 1.2 Vertical 1. Main antenna : 2441 MHz 2. 1 Horizontal 2.2 Vertica . 3. Ma in antenna : 2475 MHz 3.1 Horizontal 3.2 Vertical 4. Result Center Frequency Maximum Ant Gain 240 5MHz H -3.04 dBi V-6.44 dBi 244 1MHzH-2.39dBi V-6.27 dBi 2 475 MHzH-2.95 dBi V-3.79dBi

FCCIDBLE FCC_BLE(Part15.247)TestData FCCID:2BUS2-FLY ReportNo.:BKC26020617BE-1 TableofContents 1.-6dBBandwidth............................................................................................................................................................2 2.99%OccupiedBandwidth............................................................................................................................................5 3.DutyCycle.....................................................................................................................................................................8 4.PeakOutputPower.....................................................................................................................................................11 5.PowerSpectralDensity...............................................................................................................................................14 6.Bandedge....................................................................................................................................................................17 7.SpuriousEmission.......................................................................................................................................................21 Page2of26 1.-6dBBandwidth ConditionAntennaRateFrequency(MHz)-6dBBW(kHz)limit(kHz)Result NVNTANT11Mbps2402.00674.11500Pass NVNTANT11Mbps2440.00674.29500Pass NVNTANT11Mbps2480.00679.26500Pass NVNTANT12Mbps2402.001190.74500Pass NVNTANT12Mbps2440.001147.94500Pass NVNTANT12Mbps2480.001156.90500Pass -6dB_Bandwidth_NVNT_ANT1_1Mbps_2402 -6dB_Bandwidth_NVNT_ANT1_1Mbps_2440 -6dB_Bandwidth_NVNT_ANT1_1Mbps_2480 Page3of26 -6dB_Bandwidth_NVNT_ANT1_2Mbps_2402 -6dB_Bandwidth_NVNT_ANT1_2Mbps_2440 Page4of26 -6dB_Bandwidth_NVNT_ANT1_2Mbps_2480 Page5of26 2.99%OccupiedBandwidth ConditionAntennaRateFrequency(MHz)99%%BW(MHz) NVNTANT11Mbps2402.001.053 NVNTANT11Mbps2440.001.062 NVNTANT11Mbps2480.001.052 NVNTANT12Mbps2402.002.062 NVNTANT12Mbps2440.002.077 NVNTANT12Mbps2480.002.081 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2402 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2440 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2480 Page6of26 99%_Occupied_Bandwidth_NVNT_ANT1_2Mbps_2402 99%_Occupied_Bandwidth_NVNT_ANT1_2Mbps_2440 Page7of26 99%_Occupied_Bandwidth_NVNT_ANT1_2Mbps_2480 Page8of26 3.DutyCycle ConditionAntennaRateFrequency(MHz)Dutycycle(%)Duty_factor NVNTANT11Mbps2402.0016.137.92 NVNTANT11Mbps2440.0067.741.69 NVNTANT11Mbps2480.0016.137.92 NVNTANT12Mbps2402.0012.908.89 NVNTANT12Mbps2440.0032.264.91 NVNTANT12Mbps2480.0032.264.91 Duty_Cycle_NVNT_ANT1_1Mbps_2402 Duty_Cycle_NVNT_ANT1_1Mbps_2440 Duty_Cycle_NVNT_ANT1_1Mbps_2480 Page9of26 Duty_Cycle_NVNT_ANT1_2Mbps_2402 Duty_Cycle_NVNT_ANT1_2Mbps_2440 Page10of26 Duty_Cycle_NVNT_ANT1_2Mbps_2480 Page11of26 4.PeakOutputPower ConditionAntennaRate Frequency (MHz) Max.Conducted Power(dBm) Max.Conducted Power(mW) Limit(mW)Result NVNTANT11Mbps2402.00-2.460.571000Pass NVNTANT11Mbps2440.00-2.270.591000Pass NVNTANT11Mbps2480.00-2.520.561000Pass NVNTANT12Mbps2402.00-2.520.561000Pass NVNTANT12Mbps2440.00-2.250.601000Pass NVNTANT12Mbps2480.00-2.370.581000Pass Peak_Output_Power_NVNT_ANT1_1Mbps_2402 Peak_Output_Power_NVNT_ANT1_1Mbps_2440 Peak_Output_Power_NVNT_ANT1_1Mbps_2480 Page12of26 Peak_Output_Power_NVNT_ANT1_2Mbps_2402 Peak_Output_Power_NVNT_ANT1_2Mbps_2440 Page13of26 Peak_Output_Power_NVNT_ANT1_2Mbps_2480 Page14of26 5.PowerSpectralDensity ConditionAntennaRateFrequency(MHz) PowerSpectral Density(dBm/3kHz) Limit(dBm/3kHz)Result NVNTANT11Mbps2402.00-20.618Pass NVNTANT11Mbps2440.00-17.058Pass NVNTANT11Mbps2480.00-20.738Pass NVNTANT12Mbps2402.00-23.288Pass NVNTANT12Mbps2440.00-20.478Pass NVNTANT12Mbps2480.00-20.528Pass Power_Spectral_Density_NVNT_ANT1_1Mbps_2402 Power_Spectral_Density_NVNT_ANT1_1Mbps_2440 Power_Spectral_Density_NVNT_ANT1_1Mbps_2480 Page15of26 Power_Spectral_Density_NVNT_ANT1_2Mbps_2402 Power_Spectral_Density_NVNT_ANT1_2Mbps_2440 Page16of26 Power_Spectral_Density_NVNT_ANT1_2Mbps_2480 Page17of26 6.Bandedge ConditionAntennaModulation TX_Frequency (MHz) Max. Mark_freq(MHz) Ref_level(dBm) Spurious level(dBm) limit(dBm)Result NVNTANT11Mbps2402.002399.965-2.651-40.576-22.651Pass NVNTANT11Mbps2480.002483.550-2.681-51.353-22.681Pass NVNTANT12Mbps2402.002399.965-2.399-32.975-22.399Pass NVNTANT12Mbps2480.002483.550-2.551-49.458-22.551Pass 1_Reference_Level_NVNT_ANT1_1Mbps_2402 2_Bandedge_NVNT_ANT1_1Mbps_2402 1_Reference_Level_NVNT_ANT1_1Mbps_2480 Page18of26 2_Bandedge_NVNT_ANT1_1Mbps_2480 1_Reference_Level_NVNT_ANT1_2Mbps_2402 Page19of26 2_Bandedge_NVNT_ANT1_2Mbps_2402 1_Reference_Level_NVNT_ANT1_2Mbps_2480 Page20of26 2_Bandedge_NVNT_ANT1_2Mbps_2480 Page21of26 7.SpuriousEmission ConditionAntennaModulation TX_Frequency (MHz) Ref_level(dBm) Spurious level(dBm) limit(dBm)Result NVNTANT11Mbps2402.00-2.651-53.086-22.651Pass NVNTANT11Mbps2440.00-2.413-51.896-22.413Pass NVNTANT11Mbps2480.00-2.681-52.085-22.681Pass NVNTANT12Mbps2402.00-2.724-52.700-22.724Pass NVNTANT12Mbps2440.00-2.437-51.660-22.437Pass NVNTANT12Mbps2480.00-2.551-51.774-22.551Pass 1_Reference_Level_NVNT_ANT1_1Mbps_2402 2_Spurious_Emission_NVNT_ANT1_1Mbps_2402 1_Reference_Level_NVNT_ANT1_1Mbps_2440 Page22of26 2_Spurious_Emission_NVNT_ANT1_1Mbps_2440 1_Reference_Level_NVNT_ANT1_1Mbps_2480 Page23of26 2_Spurious_Emission_NVNT_ANT1_1Mbps_2480 1_Reference_Level_NVNT_ANT1_2Mbps_2402 Page24of26 2_Spurious_Emission_NVNT_ANT1_2Mbps_2402 1_Reference_Level_NVNT_ANT1_2Mbps_2440 Page25of26 2_Spurious_Emission_NVNT_ANT1_2Mbps_2440 1_Reference_Level_NVNT_ANT1_2Mbps_2480 Page26of26 2_Spurious_Emission_NVNT_ANT1_2Mbps_2480

ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26020617BE-1 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage1of28 TESTREPORT Applicant:Shenzhenkebairuitechnologyco.,ltd Address: Building2,VankeXingchengOfficeBuilding,ShajingXinqiaoStreet, BaoanDistrict,ShenzhenCity,GuangdongProvince,China Manufacturer: Shenzhenkebairuitechnologyco.,ltd Address: Building2,VankeXingchengOfficeBuilding,ShajingXinqiaoStreet, BaoanDistrict,ShenzhenCity,GuangdongProvince,China ProductName:Wirelessmouse ModelNumber:FLY Trademark:VIPI FCCID:2BUS2-FLY TestDate: Jan.29,2026–Feb.25,2026 DateofReport: Feb.25,2026 TestResult: ThisdevicedescribedabovehasbeentestedbyBKC,andthetest resultsshowthattheequipmentundertest(EUT)isincompliance withtheStandardrequirements.Anditisapplicableonlytothetested sampleidentifiedinthereport. TestProcedureUsed: Standards:FCCCFRTitle47Part15SubpartCSection15.247 ANSI C63.10-2020+Cor.1-2023 Preparedby(TestEngineer): CareyZheng Reviewer(Supervisor): CaseyWang Approved(Manager): JerryLiao ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26020617BE-1 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage2of28 TABLEOFCONTENT 1.GeneralInformation......................................................................................4 1.1.DescriptionofDevice(EUT).......................................................................................................................4 1.2.ChannelList..................................................................................................................................................4 1.3.Summaryoftestresult................................................................................................................................5 1.4.SpecialAccessoriesandAuxiliaryEquipment........................................................................................5 1.5.Testmode......................................................................................................................................................5 1.6.Testconfiguration.........................................................................................................................................5 1.7.BlockDiagram...............................................................................................................................................6 1.8.TestConditions.............................................................................................................................................6 1.9.MeasurementUncertainty(95%confidencelevels,k=2)......................................................................6 1.10.TestFacility..................................................................................................................................................7 1.11.TestEquipment...........................................................................................................................................7 2.Conductedemissionatthemainsterminalstest......................................9 2.1.Limit................................................................................................................................................................9 2.2.TestSetup......................................................................................................................................................9 2.3.TestProcedure..............................................................................................................................................9 2.4.TestResult...................................................................................................................................................10 3.RadiatedSpuriousEmissions...................................................................12 3.1.Limit..............................................................................................................................................................12 3.2.TestSetup....................................................................................................................................................13 3.3.TestProcedure............................................................................................................................................15 3.4.TestResult...................................................................................................................................................16 4.ConductedSpuriousEmissions................................................................21 4.1.Limit..............................................................................................................................................................21 4.2.TestSetup....................................................................................................................................................21 4.3.TestProcedure............................................................................................................................................21 4.4.TestResult...................................................................................................................................................21 5.BandEdgeMeasurement...........................................................................22 5.1.Limit..............................................................................................................................................................22 5.2.Testsetup....................................................................................................................................................22 5.3.TestProcedure............................................................................................................................................22 5.4.TestResult...................................................................................................................................................22 6.-6dBBandwidthand99%BandwidthMeasurem…

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FCCID2.4 FCC_BLE(Part15.247)TestData FCCID:2BUS2-FLY ReportNo.:BKC26020617BE-2 TableofContents 1.-6dBBandwidth............................................................................................................................................................2 2.99%OccupiedBandwidth............................................................................................................................................4 3.DutyCycle.....................................................................................................................................................................6 4.PeakOutputPower.......................................................................................................................................................8 5.PowerSpectralDensity...............................................................................................................................................10 6.Bandedge....................................................................................................................................................................12 7.SpuriousEmission.......................................................................................................................................................14 Page2of16 1.-6dBBandwidth ConditionAntennaRateFrequency(MHz)-6dBBW(kHz)limit(kHz)Result NVNTANT11Mbps2403.00594.61500Pass NVNTANT11Mbps2442.00598.42500Pass NVNTANT11Mbps2480.00591.16500Pass -6dB_Bandwidth_NVNT_ANT1_1Mbps_2403 -6dB_Bandwidth_NVNT_ANT1_1Mbps_2442 -6dB_Bandwidth_NVNT_ANT1_1Mbps_2480 Page3of16 Page4of16 2.99%OccupiedBandwidth ConditionAntennaRateFrequency(MHz)99%%BW(MHz) NVNTANT11Mbps2403.001.803 NVNTANT11Mbps2442.001.798 NVNTANT11Mbps2480.001.794 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2403 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2442 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2480 Page5of16 Page6of16 3.DutyCycle ConditionAntennaRateFrequency(MHz)Dutycycle(%)Duty_factor NVNTANT11Mbps2403.0081.820.87 NVNTANT11Mbps2442.0090.910.41 NVNTANT11Mbps2480.0081.820.87 Duty_Cycle_NVNT_ANT1_1Mbps_2403 Duty_Cycle_NVNT_ANT1_1Mbps_2442 Duty_Cycle_NVNT_ANT1_1Mbps_2480 Page7of16 Page8of16 4.PeakOutputPower ConditionAntennaRate Frequency (MHz) Max.Conducted Power(dBm) Max.Conducted Power(mW) Limit(mW)Result NVNTANT11Mbps2403.00-2.260.591000Pass NVNTANT11Mbps2442.00-2.280.591000Pass NVNTANT11Mbps2480.00-2.530.561000Pass Peak_Output_Power_NVNT_ANT1_1Mbps_2403 Peak_Output_Power_NVNT_ANT1_1Mbps_2442 Peak_Output_Power_NVNT_ANT1_1Mbps_2480 Page9of16 Page10of16 5.PowerSpectralDensity ConditionAntennaRateFrequency(MHz) PowerSpectral Density(dBm/3kHz) Limit(dBm/3kHz)Result NVNTANT11Mbps2403.00-13.988Pass NVNTANT11Mbps2442.00-13.918Pass NVNTANT11Mbps2480.00-14.958Pass Power_Spectral_Density_NVNT_ANT1_1Mbps_2403 Power_Spectral_Density_NVNT_ANT1_1Mbps_2442 Power_Spectral_Density_NVNT_ANT1_1Mbps_2480 Page11of16 Page12of16 6.Bandedge ConditionAntennaModulation TX_Frequency (MHz) Max. Mark_freq(MHz) Ref_level(dBm) Spurious level(dBm) limit(dBm)Result NVNTANT11Mbps2403.002399.775-2.529-47.841-22.529Pass NVNTANT11Mbps2480.002483.550-2.974-47.874-22.974Pass 1_Reference_Level_NVNT_ANT1_1Mbps_2403 2_Bandedge_NVNT_ANT1_1Mbps_2403 1_Reference_Level_NVNT_ANT1_1Mbps_2480 Page13of16 2_Bandedge_NVNT_ANT1_1Mbps_2480 Page14of16 7.SpuriousEmission ConditionAntennaModulation TX_Frequency (MHz) Ref_level(dBm) Spurious level(dBm) limit(dBm)Result NVNTANT11Mbps2403.00-2.529-52.127-22.529Pass NVNTANT11Mbps2442.00-2.632-51.508-22.632Pass NVNTANT11Mbps2480.00-2.974-51.737-22.974Pass 1_Reference_Level_NVNT_ANT1_1Mbps_2403 2_Spurious_Emission_NVNT_ANT1_1Mbps_2403 1_Reference_Level_NVNT_ANT1_1Mbps_2442 Page15of16 2_Spurious_Emission_NVNT_ANT1_1Mbps_2442 1_Reference_Level_NVNT_ANT1_1Mbps_2480 Page16of16 2_Spurious_Emission_NVNT_ANT1_1Mbps_2480

ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26020617BE-2 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage1of28 TESTREPORT Applicant:Shenzhenkebairuitechnologyco.,ltd Address: Building2,VankeXingchengOfficeBuilding,ShajingXinqiaoStreet, BaoanDistrict,ShenzhenCity,GuangdongProvince,China Manufacturer: Shenzhenkebairuitechnologyco.,ltd Address: Building2,VankeXingchengOfficeBuilding,ShajingXinqiaoStreet, BaoanDistrict,ShenzhenCity,GuangdongProvince,China ProductName:Wirelessmouse ModelNumber:FLY Trademark:VIPI FCCID:2BUS2-FLY TestDate: Jan.29,2026–Feb.25,2026 DateofReport: Feb.25,2026 TestResult: ThisdevicedescribedabovehasbeentestedbyBKC,andthetest resultsshowthattheequipmentundertest(EUT)isincompliance withtheStandardrequirements.Anditisapplicableonlytothetested sampleidentifiedinthereport. TestProcedureUsed: Standards:FCCCFRTitle47Part15SubpartCSection15.247 ANSI C63.10-2020+Cor.1-2023 Preparedby(TestEngineer): CareyZheng Reviewer(Supervisor): CaseyWang Approved(Manager): JerryLiao ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26020617BE-2 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage2of28 TABLEOFCONTENT 1.GeneralInformation......................................................................................4 1.1.DescriptionofDevice(EUT).......................................................................................................................4 1.2.ChannelList..................................................................................................................................................4 1.3.Summaryoftestresult................................................................................................................................5 1.4.SpecialAccessoriesandAuxiliaryEquipment........................................................................................5 1.5.Testmode......................................................................................................................................................5 1.6.Testconfiguration.........................................................................................................................................5 1.7.BlockDiagram...............................................................................................................................................6 1.8.TestConditions.............................................................................................................................................6 1.9.MeasurementUncertainty(95%confidencelevels,k=2)......................................................................6 1.10.TestFacility..................................................................................................................................................7 1.11.TestEquipment...........................................................................................................................................7 2.Conductedemissionatthemainsterminalstest......................................9 2.1.Limit................................................................................................................................................................9 2.2.TestSetup......................................................................................................................................................9 2.3.TestProcedure..............................................................................................................................................9 2.4.TestResult..................................................................................................................................................10 3.RadiatedSpuriousEmissions...................................................................12 3.1.Limit..............................................................................................................................................................12 3.2.TestSetup....................................................................................................................................................13 3.3.TestProcedure............................................................................................................................................15 3.4.TestResult...................................................................................................................................................16 4.ConductedSpuriousEmissions................................................................21 4.1.Limit...........................................................................................................…

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