2BWHR-NM2Mouse

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. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. 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. RF Exposure Information The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. FCC Statement

DNT2607143963R10149-P01Page: 1 of 4 PHOTOGRAPHSOFEUT FCCID:2BWHR-NM2 ExternalPhotos ExternalPhotos DNT2607143963R10149-P01Page: 2 of 4 ExternalPhotos ExternalPhotos DNT2607143963R10149-P01Page: 3 of 4 ExternalPhotos ExternalPhotos DNT2607143963R10149-P01Page: 4 of 4 ExternalPhotos ExternalPhotos --END--

FCCID:2BWHR-NM2

DNT2607143963R10149-P01Page: 1 of 4 PHOTOGRAPHSOFEUT FCCID:2BWHR-NM2 InternalPhotos InternalPhotos DNT2607143963R10149-P01Page: 2 of 4 InternalPhotos InternalPhotos DNT2607143963R10149-P01Page: 3 of 4 InternalPhotos InternalPhotos DNT2607143963R10149-P01Page: 4 of 4 InternalPhotos InternalPhotos --END--

GuangdongDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Tel:+86-769-88087383E-mail:[email protected] RFExposureEvaluationReport ApplicationNo.: DNT2607143963R10149-13327 Applicant: NUBILIMITED AddressofApplicant: OFFICE3906,39THTHECTR99QUEEN'SRDCENTRALCENTRAL HONGKONG EUTDescription: Mouse ModelNo.: NM2 AdditionalModel(s): / FCCID: 2BWHR-NM2 Powersupply: Input:DC5V;DC3.7Vfromrechargeablelithium-ionbattery TradeMark: NU31 Standards: 47CFRPart2.1093 FCCKDB447498D04v01 DateofReceipt: 2026/07/14 DateofTest: 2026/07/15to2026/07/28 DateofIssue: 2026/07/29 TestResult:PASS PreparedBy:(TestingEngineer) ReviewedBy:(ProjectEngineer) ApprovedBy:(Manager) Note:Ifthereisanyobjectiontotheresultsinthisreport,pleasesubmitawritteninquirytothecompanywithin15daysfromthedateof receivingthereport.Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,andisissuedbythecompanyinaccordance withtherequirementsofthe"ConditionsofIssuanceofTestReports"printedintheattachedpage.Unlessotherwisestated,theresults presentedinthisreportonlyapplytothesamplestestedthistime.Partialreproductionofthisreportisnotallowedunlessapprovedbythe companyinwriting. ReportNo.:DNT2607143963R10149-13327Date：July29,2026Page： 2 / 8 GuangdongDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Tel:+86-769-88087383E-mail:[email protected] ReportReviseRecord ReportVersionReviseTimeIssuedDateValidVersionNotes V1.0/ July29,2026 ValidOriginalReport ReportNo.:DNT2607143963R10149-13327Date：July29,2026Page： 3 / 8 GuangdongDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Tel:+86-769-88087383E-mail:[email protected] Contents RFEXPOSUREEVALUATIONREPORT.............................................................................................................................................1 1GENERALINFORMATION..................................................................................................................................................................4 1.1TESTLOCATION.................................................................................................................................................................................4 1.2GENERALDESCRIPTIONOFEUT.....................................................................................................................................................4 1.3TESTFACILITY...................................................................................................................................................................................5 1.4MEASUREMENTUNCERTAINTY(95%CONFIDENCELEVELS,K=2)....................................................................................................5 2RFEXPOSUREEVALUATION............................................................................................................................................................6 2.1RFEXPOSURECOMPLIANCEREQUIREMENT..................................................................................................................................6 ReportNo.:DNT2607143963R10149-13327Date：July29,2026Page： 4 / 8 GuangdongDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Tel:+86-769-88087383E-mail:[email protected] 1GeneralInformation 1.1TestLocation Company:GuangdongDNTestingCo.,Ltd Address: No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'an Town,DongguanCity,GuangdongP.R.China Testengineer:GaliLin 1.2GeneralDescriptionofEUT Manufacturer: NUBILIMITED AddressofManufacturer: OFFICE3906,39THTHECTR99QUEEN'SRDCENTRALCENTRALHONG KONG Factory: NUBILIMITED AddressofFactory: OFFICE3906,39THTHECTR99QUEEN'SRDCENTRALCENTRALHONG KONG EUTDescription: Mouse ModelNo.: NM2 AdditionalModel(s): / PowerSupply: Input:DC5V;DC3.7Vfromrechargeablelithium-ionbattery TradeMark: NU31 HardwareVersion:V1.0 SoftwareVersion:V1.0 ChipType: CX52860 Serialnumber: PR2607143963R10149 SampleType:PortableDevice,Module,MobileDevice AntennaType: External,Integrated AntennaPorts: Ant1,Ant2,Ant3 AntennaGain: Providedbyapplicant 2.34dBi Note: *Sincetheabovedataand/orinformationisprovidedbytheclientrelevantresultsorconclusionsofthis reportareonlymadeforthesedataand/orinformation,DNTisnotresponsiblefortheauthenticity,integrity andresultsofthedataandinformationand/orthevalidityoftheconclusion. ReportNo.:DNT2607143963R10149-13327Date：July29,2026Page： 5 / 8 GuangdongDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Tel:+86-769-88087383E-mail:[email protected] 1.3TestFacility Thetestfacilityisrecognized,certified,oraccreditedbythefollowingorganizations: LabA: •FCC,USA DesignationNumber:CN1348 •A2LA(CertificateNo.7050.01) GUANGDONGDNTESTINGCO.,LTD.isaccreditedbytheAmericanAssociationforLaboratory Accreditation(A2LA).CertificateNo.7050.01. •Innovation,ScienceandEconomicDevelopmentCanada GUANGDONGDNTESTINGCO.,LTD.EMCLaboratoryhasbeenrecognizedbyISEDasanaccreditedtesting laboratory.CABidentifierisCN0149. IC#:30755. . 1.4MeasurementUncertainty(95%confidencelevels,k=2) No.ItemMeasurementUncertainty 1 20dBEmissionBandwidth±0.0196% 2 CarrierFrequencySeparation±1.9% 3 NumberofHoppingChannel±1.9% 4 TimeofOccupancy±0.028% 5 MaxPeakConductedOutputPower±0.743dB 6 Band-edgeSpuriousEmission±1.328dB 7 ConductedRFSpuriousEmission 9KHz-1GHz:±0.746dB 1GHz-26GHz:±1.328dB No.ItemMeasurementUncertainty 1ConductionEmission±3.0dB(150kHzto30MHz) 2RadiatedEmission ±4.8dB(Below1GHz) ±4.8dB(1GHzto6GHz) ±4.5dB(6GHzto18GHz) ±5.02dB(Above18GHz) ReportNo.:DNT2607143963R10149-13327Date：July29,2026Page： 6 / 8 GuangdongDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Tel:+86-769-88087383E-mail:[email protected]…

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Antenna Specification Specifications Summary ITEMSPEC. Model NameIBM 2.4 GHz Cen ter Frequency 2403 MHz 2442 MHz 2 480 MHz 2.34 dBi 2.07dBi 1.45 dBi MAX. GAIN2.34 dBi PolarizationHorizontal Azimuth Beam Pattern Omni-directional Impedance50Ω Antenna Length3.1cm Antenna Photo & Length (mm) Test Address 16 Tzu Chiang Road, Hsinchu Industrial District Hsinchu Hsien 303, Test Date Taiwan 20 22-10-10 Test Instrument vector network analyzer - R&S ZVB20 Testing company ：COMPX TECHNOLOGY CO., LTD Manufacturer:Dongguan Dian Xun Tong Electrowics Technology Co., Ltd Address:Room 302, Building 1, No.6, Wende Street, Xiabian, Chang 'an Town, Dongguan City, Guangdong Province 1.Main antenna : 2403 MHz 1.1 Horizontal Frequency(MHZ): 2 403Antenna Polarity:Horizontal Maximum Value(dBi):2. 34 Average Gain(dBi) :-2.48 Minimum Gain(dBi):-55.18 1.2 Vertical Frequency(MHZ):2403Antenna Polarity:Vertical Maximum Value(dBi):-4.51 Average Gain(dBi) :-8.98 Minimum Gain(dBi):-62.3 2.Main antenna : 2442 MHz 2.1 Horizontal Frequency(MHZ): 2442 Antenna Polarity:Horizontal Maximum Value(dBi): 2.07 Average Gain(dBi) :-2.54 Minimum Gain(dBi):-66.98 2.2 Vertical Frequency(MHZ):2442Antenna Polarity:Vertical Maximum Value(dBi):-4.29 Average Gain(dBi) :-8.81 Minimum Gain(dBi):-51.4 2. Main antenna : 2480 MHz 2.1 Horizontal Frequency(MHZ):2480Antenna Polarity:Horizontal Maximum Value(dBi):1.45 Average Gain(dBi) :-3.34 Minimum Gain(dBi):-53.4 2.2 Vertical Frequency(MHZ):2480Antenna Polarity:Vertical Maximum Value(dBi):-4.95 Average Gain(dBi) :-9.06 Minimum Gain(dBi):-60.00

GuangdongDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Tel:+86-769-88087383E-mail:[email protected] FCCTestReport ApplicationNo.: DNT2607143963R10149-13325 Applicant: NUBILIMITED AddressofApplicant: OFFICE3906,39THTHECTR99QUEEN'SRDCENTRALCENTRAL HONGKONG EUTDescription: Mouse ModelNo.: NM2 AdditionalModel(s): / FCCID: 2BWHR-NM2 PowerSupply: Input:DC5V;DC3.7Vfromrechargeablelithium-ionbattery TradeMark: NU31 Standards: 47CFRPart2,SubpartJ 47CFRPart15,SubpartC ANSIC63.10:2020 DateofReceipt: 2026/07/14 DateofTest: 2026/07/15to2026/07/28 DateofIssue: 2026/07/29 TestResult:PASS PreparedBy:(TestingEngineer) ReviewedBy:(ProjectEngineer) ApprovedBy:(Manager) Note:Ifthereisanyobjectiontotheresultsinthisreport,pleasesubmitawritteninquirytothecompanywithin15daysfromthedateof receivingthereport.Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,andisissuedbythecompanyinaccordance withtherequirementsofthe"ConditionsofIssuanceofTestReports"printedintheattachedpage.Unlessotherwisestated,theresults presentedinthisreportonlyapplytothesamplestestedthistime.Partialreproductionofthisreportisnotallowedunlessapprovedbythe companyinwriting. ReportNo.:DNT2607143963R10149-13325Date:July29,2026Page： 2 / 31 GuangdongDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Tel:+86-769-88087383E-mail:[email protected] ReportReviseRecord ReportVersionReviseTimeIssuedDateValidVersionNotes V1.0/ July29,2026 ValidOriginalReport ReportNo.:DNT2607143963R10149-13325Date:July29,2026Page： 3 / 31 GuangdongDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Tel:+86-769-88087383E-mail:[email protected] 1TestSummary TestItem StandardSection TestResult AntennaRequirement 15.203PASS 20dBOccupiedBandwidth 15.215PASS DutyCycle N/AN/A FieldStrength 15.249(a)PASS RadiatedSpuriousEmissions AndBandEdge 15.205, 15.209, 15.249(a)(c)(d)(e), 15.35(b) PASS ACPowerLineConducted Emissions 15.207PASS ReportNo.:DNT2607143963R10149-13325Date:July29,2026Page： 4 / 31 GuangdongDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Tel:+86-769-88087383E-mail:[email protected] Contents 1TestSummary..................................................................................................................................................3 2GeneralInformation.........................................................................................................................................5 2.1TestLocation.........................................................................................................................................5 2.2GeneralDescriptionofEUT..................................................................................................................5 2.3PowerSettingofTestSoftware.............................................................................................................6 2.4TestEnvironmentandMode.................................................................................................................6 2.5ChannelList...........................................................................................................................................6 2.6DescriptionofSupportUnits..................................................................................................................6 2.7TestFacility............................................................................................................................................7 2.8MeasurementUncertainty(95%confidencelevels,k=2)......................................................................7 2.9EquipmentList.......................................................................................................................................8 2.10Assistantequipmentusedfortest.......................................................................................................9 3TestresultsandMeasurementData.............................................................................................................10 3.1Antennarequirements.........................................................................................................................10 3.220dBOccupiedBandwidth..................................................................................................................11 3.3FieldStrengthofFundamental............................................................................................................14 3.4RadiatedSpuriousEmissions.............................................................................................................19 3.5ACPowerLineConductedEmissions................................................................................................29 ReportNo.:DNT2607143963R10149-13325Date:July29,2026Page： 5 / 31 GuangdongDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Tel:+86-769-88087383E-mail:[email protected] 2GeneralInformation 2.1TestLocation Company:GuangdongDNTestingCo.,Ltd Address: No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'an Town,DongguanCity,GuangdongP.R.China Testengineer:GaliLin 2.2GeneralDescriptionofEUT Manufacturer: NUBILIMITED AddressofManufacturer: OFFICE3906,39THTHECTR99QUEEN'SRDCENTRALCENTRALHONG KONG Factory: NUBILIMITED AddressofFactory: OFFICE3906,39THTHECTR99QUEEN'SRDCENTRALCENTRALHONG KONG EUTDescription: Mouse TestModelNo.: NM2 AdditionalModel(s): / PowerSupply: Input:DC5V;DC3.7Vfromrechargeablelithium-ionbattery ChipType: CX52860 Serialnumber: PR2607143963R10149 TradeMark: NU31 HardwareVersion: V1.0 SoftwareVersion: V1.0 OperationFrequency: 2403MHzto2480MHz TypeofModulation:GFSK SampleType: PortableDevice,Module,MobileDevice AntennaType: External,…

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DNT2607143963R10149-P01Page: 1 of 2 PHOTOGRAPHSOFEUT FCCID:2BWHR-NM2 ConducedEmissionTestView RadiatedEmissionTestView|(Below1G) DNT2607143963R10149-P01Page: 2 of 2 RadiatedEmissionTestView|(Above1G) RadiatedEmissionTestView|(Above1G) --END--