2BX26-WT01Couple Smart Bracelets

ShenzhenBrightImagingTechnologyCo.,Ltd. ReferenceNo.2026UL0278 Address：Room202,No.2,BigDataR&DCenter,HebeiIndustrialZone,Xianglian Community,LonghuaSub-district,LonghuaDistrict,Shenzhen,China Date:2026-09-15 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2BX26-WT01 FRN:0038849576 (“ShenzhenBrightImagingTechnologyCo.,Ltd.”)certifiesthat,asofthedateofthefilingof theapplication,TTSMARKETINC..isourdesignatedU.S.agentforserviceofprocessfor theabovereferencedFCCID.(“ShenzhenBrightImagingTechnologyCo.,Ltd.”)acceptsto maintainanagentfornolessthanoneyearafterthegranteehasterminatedallmarketing andimportationortheconclusionofanyCommission-relatedproceedinginvolvingthe equipment. TTSMARKETINC.accepts,asofthedateofthefilingoftheapplication,theobligationofthe designatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:TTSMARKETINC. Address:1178BroadwaySte324,NewYork,NY10001.USA FRN：0036806057 ContactPerson:MaverickLim Tel.:001-(646)305-2908 Email:[email protected] Sincerely, SignedonbehalfofShenzhenBrightImaging TechnologyCo.,Ltd. SignedonbehalfofTTSMARKETINC. Name:JuanjuanChenName:MaverickLim Title:ManagerTitle:GeneralManager Date:2026-09-15Date:2026-09-15

Rev1/26/2023 ShenzhenBrightImagingTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:09-14-2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BX26-WT01 (“ShenzhenBrightImagingTechnologyCo.,Ltd.”)certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. (“ShenzhenBrightImagingTechnologyCo.,Ltd.”)certifiesthattheequipmentforwhichauthorizationis soughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc. oranyofitssuccessorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyof itssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB 986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature)JuanjuanChen (Applicantprintedname) Rev1/26/2023 ShenzhenBrightImagingTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:09-14-2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BX26-WT01 (“ShenzhenBrightImagingTechnologyCo.,Ltd.”)certifiesthat,asofthedateofthefilingofthe application,ShenzhenBrightImagingTechnologyCo.,Ltd.isnotidentifiedontheCoveredList(asa specificallynamedentityoranyofitssubsidiariesoraffiliates)asanentityproducing“covered” equipment. Sincerely, (Applicantsignature) (Applicantprintedname)JuanjuanChen

ShenzhenBrightImagingTechnologyCo.,Ltd. ProductSimilarityDeclaration Productname:CoupleSmartBracelets Modelname:wt-01 FCCID:2BX26-WT01 Differences Statement: Thismodelcomesinmultiplecolors(thespecific colorsareshowninthepicturebelow).these productaresamePCBLayout,Schematics,BOM. Onlyfordifferentappearancecolorfordifferent marketrequire. Signature: Name:JuanjuanChen Title:Manager Place,date:Shenzhen,2026.9.14

ShenzhenBrightImagingTechnologyCo.,Ltd. Date ： 09-14-2026 Product/ModelNumber:CoupleSmartBracelets/wt-01 FCCID:2BX26-WT01 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By:JuanjuanChen ContactListedonFCCWesbite Title:Manager Email:[email protected] Telephone:18129931469 Onbehalfof:ShenzhenBrightImagingTechnologyCo.,Ltd.

ShenzhenBrightImagingTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:September14,2026 Subject;RequestforConfidentiality FCCID:2BX26-WT01 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure SoftwareSecurityRequirementsforUNIIdevices Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:JuanjuanChen Title:Manager

FCCID:2BX26-WT01ExternalPhotos

Label: FCCID:2BX26-WT01 4mm 18mm

FCCID:2BX26-WT01 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, SoSARtestisnotrequired 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 BLE GFSK 1Mbps 2402 -5.67 -5±1-4 0.39815.000.1234 3.0 2440 -6.74 -6±1-5 0.31625.000.0988 3.0 2480 -5.98 -5±1-4 0.39815.000.1254 3.0 GFSK 2Mbps 2402 -5.69 -5 ± 1 -4 0.39815.000.12343.0 2440 -6.75 -6 ± 1 -5 0.31625.000.09883.0 2480 -5.96 -5 ± 1 -4 0.39815.000.12543.0

深圳市联笙科技有限公司 ShenZhen LianSheng Technology Co.,Ltd. 规 格 承 认 书 SPECIFICATION FOR APPROVAL 客 户 CUSTOMER: 日期 Date 编号 File No 1.0版本 Revision 客户料号 CUSTOMER NO: 品 名 供方料号 送样日期 Date: 送样数量 Q"TY: PCS 客户确认CUSTOMER APPROVED BY APPROVALCHIEFSUPERVISOR 供方确认SUPPLIER SIGNATURE APPROVALCHECKDESIGN ChenGuoqiang Add：深圳市龙华新区民治民康路秋瑞大厦6楼609室 Room 609, 6th Floor, Qiurui Building, Minkang Road, Minzhi, Longhua New District, Shenzhen Tel:0755-82885545 MP:13823198410 2024/08/28 SA001000 BT Antenna LSF.A1339.0000.00 RD LiaoGuangxi XieLi 承认书项目表 NO . 内容 （Contents） 页数 （Number of Page） 页码 （Page Code） 1 承认书封面（Spec Cover） 11 承认书封面（p） 2 承认书项目表（Spec Item ） 12 3 工程成品图 （Drawing） 13 4 天线规格（Antenna Specification） 14 5 S参数测试 （S Parameter ） 15 6 无源测试（Passive Test ） 16 7 方向图（Radiation Pattern ） 47 ~ 10 8 天线装配图（Antenna Profile） 311 ~ 13 99 10 1 1 N/AN/AN/A 12--- 13--- --- --- Tel:0755-82885545MP:13823198410 LSF.A1339.0000.00 天线规格 Antenna Specification Electrical Properties Frequency 2.4-2.5GHz qy Impedance50 Ohm Nominal V.S.W.R2.0 Max Gain 70dBi Gain -7.0 dBi RadiationOmni-directional PolarizationLinear Physical Properties ConnectorNone Cable TypeNone Cable LengthNone Cable ColorNone Operating Temp.-40 ~ +85 ̊C Storage Temp / Humidity 25±5 ̊C / <70% Antenna Performance TestAntenna Performance Te s t AgilentAgilent E5071B S11 ParameterParameter Test // BT AntennaAntenna Passive Test For BT Antenna FreqEffiEffiGain (MHz)(%)(dB)(dBi) 2400 6.3 -12.0 -7.2 2410 6.3 -12.0 -7.5 2420 6.1 -12.2 -7.9 2430 6.3 -12.0 -7.7 2440 6.6 -11.8 -7.6 2450 6.9 -11.6 -7.4 2460 6.7 -11.7 -7.4 2470 7.2 -11.5 -7.0 2480 7.2 -11.4 -7.3 2490 7.4 -11.3 -7.1 2500 6.8 -11.7 -7.6 Radiation Pattern For BT Antenna （ 2400MHz ） Radiation Pattern For BT Antenna （ 2450MHz ） Radiation Pattern For BT Antenna （ 2500MHz ） Radiation Pattern For BT Antenna Phi 0° Phi 90° Theta 90°eta90 DeviceDevice BT Antenna 天线BT天线

ReportNo.:NCT260351078E1-1Appendixdata FCCTESTDATA FCCID:2BX26-WT01 Product:CoupleSmartBracelets ModelName:wt-01 Brand:N/A RefertoReportNO.:NCT260351078E1-1 Preparedfor ShenzhenBrightImagingTechnologyCo.,Ltd. Room202,No.2,BigDataR&DCenter,HebeiIndustrialZone,XianglianCommunity,LonghuaSub- district, LonghuaDistrict,Shenzhen,China Preparedby ShenzhenNCTTestingTechnologyCo.,Ltd. A101&2FB2,Fuqiao6thArea,XintianCommunity,FuhaiStreet,BaoanDistrict,Shenzhen, People’sRepublicofChina TEL:400-8868-419 ReportNo.:NCT260351078E1-1Appendixdata TableofContents 1.-6dBBandwidth............................................................................................................................................................3 2.99%OccupiedBandwidth............................................................................................................................................6 3.DutyCycle.....................................................................................................................................................................9 4.PeakOutputPower.....................................................................................................................................................12 5.PowerSpectralDensity...............................................................................................................................................15 6.Bandedge....................................................................................................................................................................18 7.SpuriousEmission.......................................................................................................................................................22 Page3of27 1.-6dBBandwidth ConditionAntennaRateFrequency(MHz)-6dBBW(kHz)limit(kHz)Result NVNTANT11Mbps2402.00873.62500Pass NVNTANT11Mbps2440.00868.77500Pass NVNTANT11Mbps2480.00902.47500Pass NVNTANT12Mbps2402.001330.83500Pass NVNTANT12Mbps2440.001336.45500Pass NVNTANT12Mbps2480.001372.60500Pass -6dB_Bandwidth_NVNT_ANT1_1Mbps_2402 -6dB_Bandwidth_NVNT_ANT1_1Mbps_2440 -6dB_Bandwidth_NVNT_ANT1_1Mbps_2480 Page4of27 -6dB_Bandwidth_NVNT_ANT1_2Mbps_2402 -6dB_Bandwidth_NVNT_ANT1_2Mbps_2440 Page5of27 -6dB_Bandwidth_NVNT_ANT1_2Mbps_2480 Page6of27 2.99%OccupiedBandwidth ConditionAntennaRateFrequency(MHz)99%%BW(MHz) NVNTANT11Mbps2402.001.033 NVNTANT11Mbps2440.001.048 NVNTANT11Mbps2480.001.082 NVNTANT12Mbps2402.002.007 NVNTANT12Mbps2440.002.006 NVNTANT12Mbps2480.002.014 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2402 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2440 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2480 Page7of27 99%_Occupied_Bandwidth_NVNT_ANT1_2Mbps_2402 99%_Occupied_Bandwidth_NVNT_ANT1_2Mbps_2440 Page8of27 99%_Occupied_Bandwidth_NVNT_ANT1_2Mbps_2480 Page9of27 3.DutyCycle ConditionAntennaRateFrequency(MHz)Dutycycle(%)Duty_factor NVNTANT11Mbps2402.0048.393.15 NVNTANT11Mbps2440.0048.393.15 NVNTANT11Mbps2480.0045.163.45 NVNTANT12Mbps2402.0025.815.88 NVNTANT12Mbps2440.0025.815.88 NVNTANT12Mbps2480.0029.035.37 Duty_Cycle_NVNT_ANT1_1Mbps_2402 Duty_Cycle_NVNT_ANT1_1Mbps_2440 Duty_Cycle_NVNT_ANT1_1Mbps_2480 Page10of27 Duty_Cycle_NVNT_ANT1_2Mbps_2402 Duty_Cycle_NVNT_ANT1_2Mbps_2440 Page11of27 Duty_Cycle_NVNT_ANT1_2Mbps_2480 Page12of27 4.PeakOutputPower ConditionAntennaRate Frequency (MHz) Max.Conducted Power(dBm) Max.Conducted Power(mW) Limit(mW)Result NVNTANT11Mbps2402.00-5.670.271000Pass NVNTANT11Mbps2440.00-6.740.211000Pass NVNTANT11Mbps2480.00-5.980.251000Pass NVNTANT12Mbps2402.00-5.690.271000Pass NVNTANT12Mbps2440.00-6.750.211000Pass NVNTANT12Mbps2480.00-5.960.251000Pass Peak_Output_Power_NVNT_ANT1_1Mbps_2402 Peak_Output_Power_NVNT_ANT1_1Mbps_2440 Peak_Output_Power_NVNT_ANT1_1Mbps_2480 Page13of27 Peak_Output_Power_NVNT_ANT1_2Mbps_2402 Peak_Output_Power_NVNT_ANT1_2Mbps_2440 Page14of27 Peak_Output_Power_NVNT_ANT1_2Mbps_2480 Page15of27 5.PowerSpectralDensity ConditionAntennaRateFrequency(MHz) PowerSpectral Density(dBm/3kHz) Limit(dBm/3kHz)Result NVNTANT11Mbps2402.00-21.238Pass NVNTANT11Mbps2440.00-22.348Pass NVNTANT11Mbps2480.00-20.608Pass NVNTANT12Mbps2402.00-25.358Pass NVNTANT12Mbps2440.00-26.098Pass NVNTANT12Mbps2480.00-25.368Pass Power_Spectral_Density_NVNT_ANT1_1Mbps_2402 Power_Spectral_Density_NVNT_ANT1_1Mbps_2440 Power_Spectral_Density_NVNT_ANT1_1Mbps_2480 Page16of27 Power_Spectral_Density_NVNT_ANT1_2Mbps_2402 Power_Spectral_Density_NVNT_ANT1_2Mbps_2440 Page17of27 Power_Spectral_Density_NVNT_ANT1_2Mbps_2480 Page18of27 6.Bandedge ConditionAntennaModulation TX_Frequency (MHz) Max. Mark_freq(MHz) Ref_level(dBm) Spurious level(dBm) limit(dBm)Result NVNTANT11Mbps2402.002399.680-5.705-50.219-25.705Pass NVNTANT11Mbps2480.002483.550-6.120-59.654-26.120Pass NVNTANT12Mbps2402.002399.965-5.850-38.445-25.850Pass NVNTANT12Mbps2480.002483.525-6.250-58.576-26.250Pass 1_Reference_Level_NVNT_ANT1_1Mbps_2402 2_Bandedge_NVNT_ANT1_1Mbps_2402 1_Reference_Level_NVNT_ANT1_1Mbps_2480 Page19of27 2_Bandedge_NVNT_ANT1_1Mbps_2480 1_Reference_Level_NVNT_ANT1_2Mbps_2402 Page20of27 2_Bandedge_NVNT_ANT1_2Mbps_2402 1_Reference_Level_NVNT_ANT1_2Mbps_2480 Page21of27 2_Bandedge_NVNT_ANT1_2Mbps_2480 Page22of27 7.SpuriousEmission ConditionAntennaModulation TX_Frequency (MHz) Ref_level(dBm) Spurious level(dBm) limit(dBm)Result NVNTANT11Mbps2402.00-5.705-46.359-25.705Pass NVNTANT11Mbps2440.00-6.910-39.221-26.910Pass NVNTANT11Mbps2480.00-6.120-36.813-26.120Pass NVNTANT12Mbps2402.00-5.850-39.236-25.850Pass NVNTANT12Mbps2440.00-7.046-38.340-27.046Pass NVNTANT12Mbps2480.00-6.250-29.292-26.250Pass 1_Reference_Level_NVNT_ANT1_1Mbps_2402 2_Spurious_Emission_NVNT_ANT1_1Mbps_2402 1_Reference_Level_NVNT_ANT1_1Mbps_2440 Page23of27 2_Spurious_Emission_NVNT_ANT1_1Mbps_2440 1_Reference_Level_NVNT_ANT1_1Mbps_2480 Page24of27 2_Spurious_Emission_NVNT_ANT1_1Mbps_2480 1_Reference_Level_NVNT_ANT1_2Mbps_2402 Page25of27 2_Spurious_Emission_NVNT_ANT1_2Mbps_2402 1_Reference_Level_NVNT_ANT1_2Mbps_2440 Page26of27 2_Spurious_Emission_NVNT_ANT1_2Mbps_2…

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TESTREPORT FCCID:2BX26-WT01 Product:CoupleSmartBracelets ModelName:wt-01 Brand:N/A ReportNo.:NCT260351078E1-1 Preparedfor ShenzhenBrightImagingTechnologyCo.,Ltd. Room202,No.2,BigDataR&DCenter,HebeiIndustrialZone,XianglianCommunity, LonghuaSub-district,LonghuaDistrict,Shenzhen,China Preparedby ShenzhenNCTTestingTechnologyCo.,Ltd. A101&2FB2,Fuqiao6thArea,XintianCommunity,FuhaiStreet,BaoanDistrict, Shenzhen,People’sRepublicofChina TEL:400-8868-419 ReportNo.:NCT260351078E1-1 Page2of36 Hotline:400-8868-419http://www.ncttesting.cn 1TESTRESULTCERTIFICATION Applicant’sname: ShenzhenBrightImagingTechnologyCo.,Ltd. Address: Room202,No.2,BigDataR&DCenter,HebeiIndustrialZone,Xianglian Community,LonghuaSub-district,LonghuaDistrict,Shenzhen,China Manufacture'sname: ShenzhenBrightImagingTechnologyCo.,Ltd. Address: Room202,No.2,BigDataR&DCenter,HebeiIndustrialZone,Xianglian Community,LonghuaSub-district,LonghuaDistrict,Shenzhen,China Productname: CoupleSmartBracelets Modelname: wt-01 Standards: FCCCFR47Part15Section15.247 Testprocedure: ANSIC63.10-2020+Cor.1-2023+C63.10a-2024+ErratatoC63.10a-2024 Dateoftest: Aug.27,2026toSep.03,2026 DateofIssue: Sep.03,2026 ThisdevicedescribedabovehasbeentestedbyNCT,andthetestresultsshowthatthe equipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlyto thetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofNCT,thisdocument maybealteredorrevisedbyNCT,personalonly,andshallbenotedintherevisionofthedocument. Preparedby: ShineWu Reviewer: KevenWu Approved: HenryWang Contents Page 1TESTRESULTCERTIFICATION...............................................................................................................................2 2TESTSUMMARY..........................................................................................................................................................5 2.1TESTSITE............................................................................................................................................................6 3GENERALINFORMATION..........................................................................................................................................7 3.1GENERALDESCRIPTIONOFE.U.T.....................................................................................................................7 3.2CHANNELLIST.....................................................................................................................................................8 3.3TESTSETUPCONFIGURATION............................................................................................................................9 3.4TESTCONFIGURATION.........................................................................................................................................9 4EQUIPMENTDURINGTEST....................................................................................................................................10 4.1EQUIPMENTSLIST.............................................................................................................................................10 4.2MEASUREMENTUNCERTAINTY.........................................................................................................................12 4.3DESCRIPTIONOFSUPPORTUNITS...................................................................................................................12 5CONDUCTEDEMISSION..........................................................................................................................................13 5.1E.U.T.OPERATION............................................................................................................................................13 5.2EUTSETUP.......................................................................................................................................................13 5.3TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION).................................................................................14 5.4MEASUREMENTPROCEDURE............................................................................................................................14 5.5CONDUCTEDEMISSIONLIMIT...........................................................................................................................14 5.6MEASUREMENTDESCRIPTION..........................................................................................................................14 5.7CONDUCTEDEMISSIONTESTRESULT.............................................................................................................14 6RADIATEDSPURIOUSEMISSIONS......................................................................................................................17 6.1EUTOPERATION...............................................................................................................................................18 6.2TESTSETUP......................................................................................................................................................19 6.3SPECTRUMANALYZERSETUP..........................................................................................................................20 6.4TESTPROCEDURE.............................................................................................................................................21 6.5SUMMARYOFTESTRESULTS...........................................................................................................................23 7CONDUCTBANDEDGEANDSPURIOUSEMISSIONSMEASUREMENT....................................................30 7.1TESTPROCEDURE.............................................................................................................................................30 7.2TESTSETUP.................................................................................................................…

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