2BWG2-S001tartoow Smart Couple Bracelet

TianjinWanxinConsultingCo.,Ltd Address：Room1804,Building4,MeinianPlaza,No.164-1804DongtingRoad,HexiDistrict,Tianjin FRN:0038504791 Date:2026-06-06 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2BWG2-S001 TianjinWanxinConsultingCo.,Ltdcertifiesthat,asofthedateofthefilingoftheapplication, XINNAISIINCisourdesignatedU.S.agentforserviceofprocessfortheabovereferenced FCCID.TianjinWanxinConsultingCo.,Ltdacceptstomaintainanagentfornolessthanone yearafterthegranteehasterminatedallmarketingandimportationortheconclusionofany Commission-relatedproceedinginvolvingtheequipment. XINNAISIINCaccepts,asofthedateofthefilingoftheapplication,theobligationofthe designatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:XINNAISIINC Address:1500NGRANTSTSTER,DENVER,CO80203 FRN:0037518289 ContactPerson:KiKi Tel.:+01(951)893-3011 Email:[email protected] Sincerely, TianjinWanxinConsultingCo.,Ltd SignedonbehalfofXINNAISIINC XIAOLU KiKi Name:Name: Title:ManagerTitle:Manager Date:2026-06-06Date:2026-06-06

Rev1/26/2023 (TianjinWanxinConsultingCo.,Ltd) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:06-06-2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:( 2BWG2-S001 ) [TianjinWanxinConsultingCo.,Ltd]certifiesthattheequipmentforwhichauthorizationissoughtisnot “covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903of theFCCrules. [TianjinWanxinConsultingCo.,Ltd]certifiesthattheequipmentforwhichauthorizationissoughtdoes notincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc.oranyofits successorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofits successorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446 D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (XIAOLU) Rev1/26/2023 (TianjinWanxinConsultingCo.,Ltd) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:06-06-2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:(2BWG2-S001) [TianjinWanxinConsultingCo.,Ltd]certifiesthat,asofthedateofthefilingoftheapplication,the applicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiariesor affiliates)asanentityproducing“covered”equipment. Sincerely, (XIAOLU)

TianjinWanxinConsultingCo.,Ltd Date：06-06-2026 ProductModelNumber:TARTOOW-S001 FCCID：2BWG2-S001 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite XIAOLU Title:Manager Email:[email protected] Telephone: +8618122050760 Onbehalfof:TianjinWanxinConsultingCo.,Ltd

TianjinWanxinConsultingCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:June6,2026 Subject;RequestforConfidentiality FCCID:2BWG2-S001 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:XIAOLU Title:Manager

TianjinWanxinConsultingCo.,Ltd ModelDifferenceLetter Date:2026/06/10 ProductName:tartoowSmartCoupleBracelet Model: TARTOOW-S001,TARTOOW-S002,TARTOOW-S003 EquipmentDescription:tartoowSmartCoupleBracelet FCCID: 2BWG2-S001 Towhomitmayconcern, Wedeclare ModelsTARTOOW-S001,TARTOOW-S002andTARTOOW-S003Sdifferinwatchband materialandprotectivehousingcolor.TheirPCBlayout,electricalschematicsandRF componentsareidentical. Appearanceidentification By: ContactListedonISEDWesbite XIAOLU Title:Manager Email: [email protected] Telephone: +8618122050760 Onbehalfof:TianjinWanxinConsultingCo.,Ltd

FCCID:2BWG2-S001 LabelanditsLocation

Model:TARTOOW-S001FCCID:2BWG2-S001 RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093 ， Unless specificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbody and10-gextremitySARevaluationforgeneralpopulationexposureconditions,bymeasurementor numericalsimulation,isnotrequiredwhenthecorrespondingSARTestExclusionThreshold condition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtestexclusion thresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.Thedevicecanbeused inportableexposureconditionwithoutrestriction. ForBLE Conclusion: Forthemaxresult:0.39023≤3.0for1-gSAR,NoSARisrequired. SoaSARtestisnotrequired Signature:Date:2026-06-06 NAMEANDTITLE(Pleaseprintortype):JasonChen/Manager COMPANY(Pleaseprintortype):ShenzhenATATestingLab.Inc./4thFloor,Building10,No.60Nanchang Road,NanchangCommunity,XixiangStreet,Bao'anDistrict,ShenzhenCity,China

深圳市联笙科技有限公司 ShenZhenLianShengTechnologyCo.,Ltd. 规格承认书 SPECIFICATIONFORAPPROVAL 客户 CUSTOMER: 日期 Date 编号 FileNo 1.0版本 Revision 客户料号 CUSTOMERNO: 品名 供方料号 送样日期 Date: 送样数量 Q"TY:PCS 客户确认CUSTOMERAPPROVEDBY APPROVALCHIEFSUPERVISOR 供方确认SUPPLIERSIGNATURE APPROVALCHECK DESIGN ChenGuoqiang Add：深圳市龙华新区民治民康路秋瑞大厦6楼609室Tel:0755-82885545MP:13823198410 2024/08/28 SA001000 BT Antenna LSF.A1339.0000.00 LS-RD-BT-V02 LiaoGuangxi XieLi Room 609, 6th Floor, Qiurui Building, Minkang Road, Minzhi, Longhua New District, Shenzhen Tel: 0755-82885545 Mobile: 13823198410 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 11 N/AN/AN/A 12--- 13--- --- --- Tel:0755-82885545MP:13823198410 LSF.A1339.0000.00 Wiring AreaSolder Pad AreaRemarks:Material: One-and-a-half base material; FPC thickness: 0.1mm.Color / Surface Finish: Gold plating on solder pads; Dividing line of 3M adhesive tape on reverse side: black ink & white silkscreen.Dimensions: Items marked with * are key dimensions.Tolerance: Unspecified tolerances shall comply with standard tolerances.Packaging: Delivered with low-tack packaging. 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BTAnt

Add:4thFloor,Building10,No.60NanchangRoad,NanchangCommunity,XixiangStreet,Bao'anDistrict,ShenzhenCity,Guangdong,People's RepublicofChina Tel:+860755-82828582Mobilephone:+8613728818899E-mail:[email protected]:www.certata.com TESTREPORT ReportNo............................................:ATA0126060401 FCCID······································:2BWG2-S001 Applicant .............................................. : TianjinWanxinConsultingCo.,Ltd Address.............................................: Room1804,Building4,MeinianPlaza,No.164-1804DongtingRoad, HexiDistrict,Tianjin Manufacturer......................................: TianjinWanxinConsultingCo.,Ltd Address.............................................: Room1804,Building4,MeinianPlaza,No.164-1804DongtingRoad, HexiDistrict,Tianjin ProductName.....................................:tartoowSmartCoupleBracelet TradeMark............................................:N/A TestModel ............................................. :TARTOOW-S001 SeriesModel(s) .................................... :TARTOOW-S002,TARTOOW-S003 Standard..............................................:FCCCFRTitle47Part15SubpartCSection15.247 Testprocedure...................................:ANSIC63.10-2020+Cor.1-2023 KDB558074D0115.247MeasGuidancev05r02 DateofReceipt .................................... :June.02,2026 DateofTestDate.................................:June.02,2026~June.08,2026 Dateofissue ......................................... :June.08,2026 Testresult............................................: Pass Compiledby: (Printedname+signature)LilyZheng Supervisedby: (Printedname+signature)TravisYoung Approvedby: (Printedname+signature)Jasonchen TestingLaboratoryName ................ : ShenzhenATATestingLab.Inc Address.................................................: 4thFloor,Building10,No.60NanchangRoad,Nanchang Community,XixiangStreet,Bao'anDistrict,ShenzhenCity, China Thistestreportmaybeduplicatedcompletelyforlegalusewiththeapprovaloftheapplicant.Itshouldnotbe reproducedexceptinfull,withoutthewrittenapprovalofourlaboratory.Theclientshouldnotuseittoclaim productendorsementbyATA.Thetestresultsinthereportonlyapplytothetestedsample.Thetestreport shallbeinvalidwithoutallthesignaturesoftestingengineers,reviewerandapprover.Anyobjectionsmustbe raisedtoATAwithin15dayssincethedatewhenthereportisreceived.Itwillnotbetakenintoconsideration beyondthislimit.Thetestreportmerelycorrespondtothetestsample. Page 2 of 44 ReportNo.:ATA0126060401 Add:4thFloor,Building10,No.60NanchangRoad,NanchangCommunity,XixiangStreet,Bao'anDistrict,ShenzhenCity,Guangdong,People's RepublicofChina Tel:+860755-82828582Mobilephone:+8613728818899E-mail:[email protected]:www.certata.com TABLEOFCONTENTSPage 1.TESTSUMMARY................................................................................................................................................................3 1.1.TESTSTANDARDS...................................................................................................................................................................3 1.2.REPORTVERSION...................................................................................................................................................................3 1.3.TESTDESCRIPTION.................................................................................................................................................................4 1.4.TESTFACILITY........................................................................................................................................................................5 2.GENERALINFORMATION...................................................................................................................................................6 2.1.GENERALDESCRIPTIONOFEUT...............................................................................................................................................6 2.2.DESCRIPTIONOFTHETESTMODES..................................................................................................................................7 2.3.BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED...........................................................................7 2.4.DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS..................................................................................8 2.5.MEASUREMENTINSTRUMENTSLIST..........................................................................................................................................9 2.5.TESTSOFTWARE..................................................................................................................................................................10 2.6.MEASUREMENTUNCERTAINTY...............................................................................................................................................11 2.7.ENVIRONMENTALCONDITIONS...............................................................................................................................................11 3.TESTITEMANDRESULTS.................................................................................................................................................12 3.1.ANTENNAREQUIREMENT......................................................................................................................................................12 3.2.CONDUCTEDEMISSION.........................................................................................................................................................13 3.3.BANDEDGEANDSPURIOUSEMISSION(CONDUCTED)................................................................................................................16 3.4.6DBBANDWIDTH................................................................................................................................................................17 3.5.PEAKOUTPUTPOWER..................…

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