2BBXJ-YK01Smart watch

Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)thisdevicemay notcauseharmfulinterference,and (2)Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation. Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidtheuser’sauthorityto operatetheequipment.ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice, pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterference inaresidentialinstallation.Thisequipmentgeneratesusesandcanradiateradiofrequencyenergyand,ifnotinstalledand usedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradiocommunications.However,thereisno guaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradio ortelevisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrect theinterferencebyoneormoreofthefollowingmeasures: ‐‐Reorientorrelocatethereceivingantenna. ‐‐Increasetheseparationbetweentheequipmentandreceiver. ‐‐Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected. ‐‐Consultthedealeroranexperiencedradio/TVtechnicianforhelp. ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.

ShenzhenYongshiIntelligentCo.,LTD 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:ShenzhenYongshiIntelligentCo.,LTD Address:A305,BuildingA6-6,No.20,GangtouRoad,BogangCommunity,ShajingStreet,Bao'an District,Shenzhen,GuangdongChina ProductName:Smartwatch FCCID:2BBXJ-YK01 Model(s):YK01,YK02,YK03,YK05,YK06,YK07,YK08,YK10,YK11,YK12,YK13,YK15,YK16, YK17,YK18,YK19,YK20,YK21,YK22,YK23,YK25,YK26,YK27,YK28,YK29,YK38,YK58,YK68, YK88,YK98,YK99. 2.911(d)(5)(i)EquipmentType We,[ShenzhenYongshiIntelligentCo.,LTD](“theapplicant”)certifythattheequipmentforwhich authorizationissoughtthroughcertificationisnot:  Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules.  Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:JackxieDate:2023-7-6 TitleandCompanyname:manager,ShenzhenYongshiIntelligentCo.,LTD NOTE1 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

ShenzhenYongshiIntelligentCo., LTD 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification– Applicant(CoveredList ) Companyname:ShenzhenYongshiIntelligentCo., LTD Address:A305,BuildingA6-6,No. 20, GangtouRoad,BogangCommunity,ShajingStreet,Bao 'an District,Shenzhen,GuangdongChina ProductName:Smartwatch FCC ID: 2BBXJ-YK01 Model(s):YK01,YK02,YK03,YK05,YK06,YK07,YK08,YK10,YK11,YK12,YK13,YK15,YK16, YK17,YK18,YK19,YK20,YK21,YK22,YK23,YK25,YK26,YK27,YK28,YK29,YK38,YK58,YK68, YK88,YK98,YK99. 2.911(d)(5)(ii) Applicant filing We, [Shenzhen Yongshi Intelligent Co., LTD] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 , established pursuant to § 1.50002 of this chapter, as an entity producing covered communications equipment. Yourssincerely, Name:Jack xieDate:2023-7-6 Title and Companyname:manager,ShenzhenYongshiIntelligentCo., LTD NOTE1 Deleteoptionnot applicableto this application. NOTE2 “CoveredList ” ; is the List of Equipmentand ServicesCoveredBy Section2 of The SecureNetworksAct, availableat https://www.fcc.gov/supplychain/coveredlist References; 1) 986446D01 CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) FederalRegisterdocument2022-28263publishedon 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

ShenzhenYongshiIntelligentCo.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2023-7-6 Subject;RequestforConfidentiality FCCID:2BBXJ-YK01 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure 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:Jackxie Title:Manager

ShenzhenYongshiIntelligentCo.,LTD Date:2023-07-10 Subject:authorizationforaddingfamilymodels TowhomitMayconcern,Statement WewouldliketoconfirmtheproductSmartwatchwithmodels(YK01,YK02,YK03,YK05,YK06, YK07,YK08,YK10,YK11,YK12,YK13,YK15,YK16,YK17,YK18,YK19,YK20,YK21,YK22,YK23,YK25, YK26,YK27,YK28,YK29,YK38,YK58,YK68,YK88,YK98,YK99.）aresameinallrespects.Onlythe modelnamesaredifferentfordifferentmarketrequirement Yourssincerely, Signature Jackxie/Manager TypednameandTitle

ShenzhenYongshiIntelligentCo.,LTD AgentAuthorization Company:ShenzhenYongshiIntelligentCo.,LTD Address:A305,BuildingA6-6,No.20,GangtouRoad,BogangCommunity,Shajing Street,Bao'anDistrict,Shenzhen,GuangdongChina ProductName:Smartwatch ModelNumber(s):YK01,YK02,YK03,YK05,YK06,YK07,YK08,YK10,YK11,YK12, YK13,YK15,YK16,YK17,YK18,YK19,YK20,YK21,YK22,YK23,YK25,YK26,YK27, YK28,YK29,YK38,YK58,YK68,YK88,YK98,YK99. ProductDescription:BluetoothDual WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2023-7-6 Name:Jackxie Title:Manager Company:ShenzhenYongshiIntelligentCo.,LTD

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FCCID:2BBXJ-YK01

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FCCID:2BBXJ-YK01 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, ForBT MaxPower(dBm)MaxPower(mW)Frequency(MHz)Min.distance(mm)Calc.thresholdslimit 2.561.80324025 0.794 3.0 Note:BR/EDRandBLECannotsimultaneoustransmission SoaSARtestisnotrequired

BSLTestingCo.,LTD.ProjectNo.:BSL2305318275013F-1 Page 1 of 41 FCCPART15C MeasurementandTestReport For ShenzhenYongshiIntelligentCo.,LTD FCCID:2BBXJ-YK01 FCCRule(s)/Methods: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 ProductDescription: Smartwatch Trademark / Model/Typereference.: YK01,YK02,YK03,YK05,YK06,YK07,YK08, YK10,YK11,YK12,YK13,YK15,YK16,YK17, YK18,YK19,YK20,YK21,YK22,YK23,YK25. YK26,YK27,YK28,YK29,YK38,YK58,YK68, YK88,YK98,YK99. ReportNo.:BSL2305318275012F-1 Dateofreceiptoftestitem:Jun.26,2023 Dateofsampling:Jun.26,2023 TestedDate:Jun.26,2023toJul.06,2023 IssuedDate:Jul.06,2023 TestedBy: CindyZheng/Engineer ReviewedBy: HaleyWen/EMCManager Approved&AuthorizedBy: MikeMo/PSQManager BSLTestingCo.,LTD. 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict,Shenzhen,Shiyan Street,Bao'anDistrict,Shenzhen,Guangdong,518052,People’sRepublicofChina Tel:400-882-9628Fax:86-755-26508703 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275012F-1 Page 2 of 41 TableofContents Page 1.VERSION4 2.SUMMARYOFTESTRESULTS5 2.1TESTFACILITY6 2.2MEASUREMENTUNCERTAINTY6 3.GENERALINFORMATION7 3.1GENERALDESCRIPTION7 3.2DESCRIPTIONOFTESTMODES9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED9 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)9 3.5EQUIPMENTSLISTFORALLTESTITEMS10 4.EMCEMISSIONTEST12 4.1CONDUCTEDEMISSIONMEASUREMENT12 4.1.11POWERLINECONDUCTEDEMISSIONLIMITS12 4.1.2TESTPROCEDURE12 4.1.3DEVIATIONFROMTESTSTANDARD12 4.1.4TESTSETUP13 4.1.5EUTOPERATINGCONDITIONS13 4.1.6TESTRESULTS13 4.2RADIATEDEMISSIONMEASUREMENT13 4.2.1RADIATEDEMISSIONLIMITS16 4.2.2TESTPROCEDURE17 4.2.3DEVIATIONFROMTESTSTANDARD17 4.2.4TESTSETUP17 4.2.5EUTOPERATINGCONDITIONS18 5.RADIATEDBANDEMISSIONMEASUREMENT23 5.1TESTREQUIREMENT:23 5.2TESTPROCEDURE23 5.3DEVIATIONFROMTESTSTANDARD23 5.4TESTSETUP24 5.5EUTOPERATINGCONDITIONS24 5.6TESTRESULT24 6.POWERSPECTRALDENSITYTEST26 6.1APPLIEDPROCEDURES/LIMIT26 6.2TESTPROCEDURE26 6.3DEVIATIONFROMSTANDARD26 6.4TESTSETUP26 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275012F-1 Page 3 of 41 TableofContentsPage 6.5EUTOPERATIONCONDITIONS26 6.6TESTRESULTS27 7.CHANNELBANDWIDTH29 7.1APPLIEDPROCEDURES/LIMIT29 7.2TESTPROCEDURE29 7.3DEVIATIONFROMSTANDARD29 7.4TESTSETUP29 7.5EUTOPERATIONCONDITIONS29 7.6TESTRESULTS30 8.PEAKOUTPUTPOWERTEST32 8.1APPLIEDPROCEDURES/LIMIT32 8.2TESTPROCEDURE32 8.3DEVIATIONFROMSTANDARD32 8.4TESTSETUP32 8.5EUTOPERATIONCONDITIONS32 8.6TESTRESULTS33 9.CONDUCTEDBANDEDGEANDSPURIOUSEMISSION34 9.1APPLICABLESTANDARD34 9.2TESTPROCEDURE34 9.3DEVIATIONFROMSTANDARD34 9.4TESTSETUP34 9.5EUTOPERATIONCONDITIONS34 10.ANTENNAREQUIREMENT40 11.TESTSETUPPHOTO41 12.EUTCONSTRUCTIONALDETAILS41 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275012F-1 Page 4 of 41 1.VERSION ReportNo.VersionDescriptionApproved BSL2305318275013F-1Rev.01InitialissueofreportJul.06,2023 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275012F-1 Page 5 of 41 2.SUMMARYOFTESTRESULTS Testproceduresaccordingtothetechnicalstandards: FCCPart15(15.247),SubpartC Standard Section TestItemJudgmentRemark FCCpart15.203/15.247 (c) AntennarequirementPASS FCCpart15.207ACPowerLineConductedEmissionPASS FCCpart15.247(b)(3)ConductedPeakOutputPowerPASS FCCpart15.247(a)(2)ChannelBandwidth&99%OCBPASS FCCpart15.247(e)PowerSpectralDensityPASS FCCpart15.247(d)BandEdgePASS FCCpart15.205/15.209SpuriousEmissionPASS NOTE: (1)“N/A”denotestestisnotapplicableinthisTestReport BSLTestingCo.,LTD.ProjectNo.:BSL2305318275012F-1 Page 6 of 41 2.1TESTFACILITY BSLTESTINGCO.,LTD Add.:1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict,Shenzhen,ShiyanStreet, Bao'anDistrict,Shenzhen,Guangdong,518052,People’sRepublicofChina FCCTestFirmRegistrationNumber:562200 DesignationNumber:CN1338 ICRegisteredNo.:11093A DesignationNumber:CN0019 2.2MEASUREMENTUNCERTAINTY Thereporteduncertaintyofmeasurementy±U ， whereexpendeduncertaintyUisbasedonastandard uncertaintymultipliedbyacoveragefactorofk=2，providingalevelofconfidenceofapproximately95 % 。 No.ItemUncertainty 1 3mcamberRadiatedspurious emission(9KHz-30MHz) U=4.5dB 2 3mcamberRadiatedspurious emission(30MHz-1GHz) U=4.8dB 3 3mchamberRadiatedspurious emission(1GHz-6GHz) U=4.9dB 4 3mchamberRadiatedspurious emission(6GHz-40GHz) U=5.0dB 5ConducteddisturbanceU=3.2dB 6RFBandEdgeU=1.68dB 7RFpowerconductedU=1.86dB 8RFconductedSpuriousEmissionU=2.2dB 9RFOccupiedBandwidthU=1.8dB 10RFPowerSpectralDensityU=1.75dB 11humidityuncertaintyU=5.3% 12Temperatureuncertainty U=0.59 °C BSLTestingCo.,LTD.ProjectNo.:BSL2305318275012F-1 Page 7 of 41 3.GENERALINFORMATION 3.1GENERALDESCRIPTION Applicant: ShenzhenYongshiIntelligentCo.,LTD Addressofapplicant: A305,BuildingA6-6,No.20,GangtouRoad,BogangCommunity, ShajingStreet,Bao'anDistrict,Shenzhen,GuangdongChina Manufacturer: ShenzhenYongshiIntelligentCo.,LTD Addressofmanufacturer: A305,BuildingA6-6,No.20,GangtouRoad,BogangCommunity, ShajingStreet,Bao'anDistrict,Shenzhen,GuangdongChina ProductName: Smartwatch ModelNo.: YK01,YK02,YK03,YK05,YK06,YK07,YK08,YK10,YK11,YK12, YK13,YK15,YK16,YK17,YK18,YK19,YK20,YK21,YK22,YK23, YK25,YK26,YK27,YK28,YK29,YK38,YK58,YK68,YK88,YK98, YK99. ModelDifferent.: Onlythemodelnameisdifferent,YK01isthemaintestmodel SerialNo.: N/A Sample(s)Status:Engineersample OperationFrequency:2402MHz~2480MHz ChannelNumbers:40 ChannelSeparation:2MHz ModulationType:GFSK AntennaType:Built-inwireantenna Antennagain:-1dBi Powersupply: Input:DC3.7V SWITCHINGPOWER ADAPTER: N/A BSLTestingCo.,LTD.ProjectNo.:BSL2305318275012F-1 Page 8 of 41 OperationFrequencyeachofchannel ChannelFrequencyChannelFrequencyChannelFrequencyChannelFrequency 12402MHz112422MHz212442MHz312462MHz 22404MHz122424MHz222444MHz322464MHz 32406MHz132426MHz232446MHz332466MHz 42408MHz142428MHz242448MHz342468MHz 52410MHz152430MHz252450MHz352470MHz 62412MHz162432MHz262452MHz362472MHz 72414MHz172434MHz272454MHz372474MHz 82416MHz182436MHz282456MHz382476MHz 92418MHz192438MHz292458MHz392478MHz 102420MHz202440MHz302460MHz402480MHz Note: Insection15.31(m),regardstotheoperatingfrequencyrangeover10MHz,theLowestfrequency, themiddlefrequency,andthehighestfrequencyofchannelwerese…

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深圳市麒鑫通达科技有限公司 SHENZHENQXTDTechnologyCo.,Ltd样品承认书 PartApprovalSheet Version：V1.0 Customer ： ShenzhenHaikangshengIntelligentCo.,Ltd Project：Bluetoothantenna PartName ： Conductingwire PartColor：Black PartNumber： SampleDeliveryDate ： April3,2021 SampleQuantity：5PCS Sampletype ： Built-inwireANT ReasonforSampleDelivery：○Newtooling○Newsupplier○Toolingchange○Engineeringchange○Other: Remark ： Suppliersampleproductionconfirmation:(stamprequired) FormulateConfirmApproveQualityStamp 代庆蓉龙超群傅梁成曹光平 Customerapproval: Project confirmation ProjectapprovalQuality confirmation QualityapprovalConfirmationdate 深圳市麒鑫通达科技有限公司 SHENZHENQXTDTechnologyCo.,Ltd样品承认书 Page1 Confidentialdocuments 机密文件 1.Graphicforreference Figure20.8*20mmBT 2.OTA(FreeSpace) ChannelTRP（dBm）TIS（dBm） 06.3-91.1 396.5-91.3 786.6-91.2 NameANTENNA ModelLT13 Frequency 2.4Ghz Inputimpedance50Ω Allowedpower5mW Workingtemp.-25~+65°C Storagetemp. -40~+85°C Weight0.25g Antennagain天线 增益 -1dBi 深圳市麒鑫通达科技有限公司 SHENZHENQXTDTechnologyCo.,Ltd样品承认书 Page2 Confidentialdocuments 机密文件 3.Field 4.BTTest TesttermEnvironmentMaxpairingdistanceBTCalldistance BTOffice16-18m10-12m 深圳市麒鑫通达科技有限公司 SHENZHENQXTDTechnologyCo.,Ltd样品承认书 Page3 Confidentialdocuments 机密文件 5.Blueprint

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