2BBXJ-YK08Smart watch

Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwo conditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemust acceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation. NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassB digitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovide reasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipment generates,usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedin accordancewiththeinstructions,maycauseharmfulinterferencetoradiocommunications. However,thereisnoguaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthis equipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichcanbe determinedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrectthe interferencebyoneormoreofthefollowingmeasures: --Reorientorrelocatethereceivingantenna. --Increasetheseparationbetweentheequipmentandreceiver. --Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthe receiverisconnected. --Consultthedealeroranexperiencedradio/TVtechnicianforhelp. Changesormodificationsnotexpresslyapprovedbythepartyresponsiblefor compliancecouldvoidtheuser'sauthoritytooperatetheequipment. ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.The devicecanbeusedinportableexposureconditionwithoutrestriction.

ShenzhenYongshiIntelligentCo.,LTD CERTIFICATIONSCONCERNING“COVERED”EQUIPMENT Date:Jul.27,2024 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 FCCID: 2BBXJ-YK08 ToWhomItMayConcern: Asrequiredbysection 2.911(d)(5)(i), ShenzhenYongshiIntelligentCo.,LTD(“the applicant”)certifiesthattheequipmentforwhichauthorizationissoughtisnot “covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuant tosection2.903oftheFCCrules. Asrequiredbysection2.911(d)(5)(ii),ShenzhenYongshiIntelligentCo.,LTD(“the applicant”)certifiesthat,asofthedateofthefilingoftheapplication,theapplicantis notidentifiedontheCoveredListasanentityproducing“covered”equipment. Thankyouforyourattentiontothismatter. Sincerelyyours, Signature: PrintedName:Jackxie Company:ShenzhenYongshiIntelligentCo.,LTD JobTitle: Manager Email:[email protected] Telephone:13824302018

ShenzhenYongshiIntelligentCo.,LTD Date:Jul.27,2024 Subject:authorizationforaddingfamilymodels FCCID:2BBXJ-YK08 TowhomitMayconcern, WewouldliketoconfirmtheSmartwatchWithModels(YK08,YK01,YK02,YK03,YK05,YK06, YK07,YK10,YK11,YK12) Theyhavethesamemotherboard,powerboardandRFboard,whicharethesameinallrespects, Onlythemodelname,variesaccordingtodifferentmarketdemands. Yourssincerely, Signature: PrintedName:Jackxie Company:ShenzhenYongshiIntelligentCo.,LTD JobTitle:Manager Email:[email protected] Telephone:13824302018

ShenzhenYongshiIntelligentCo.,LTD LetterofAgency Date：Jul.27,2024 ElementMaterialsTechnology 100FrobisherBusinessPark Malvern Worcestershire WR141BX UK FCCID:2BBXJ-YK08 ToWhomItMayConcern: Wecertifythatwearenotsubjecttodenialoffederalbenefits,thatincludesFCCbenefits, pursuanttoSection5301oftheAnti-DrugAbuseACTof1988,U.S.C.862.Further,noparty,as definedin47CFR1.2002(b),totheapplication,issubjecttodenialoffederalbenefits,that includesFCCbenefits. Thankyouforyourattentiontothismatter. Sincerelyyours, Signature: PrintedName:Jackxie Company:ShenzhenYongshiIntelligentCo.,LTD JobTitle:Manager Email:[email protected] Telephone:13824302018

ShenzhenYongshiIntelligentCo.,LTD RequestforConfidentialityLetter-FCC Date：Jul.27,2024 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 Re:Requestforconfidentiality FCCID:2BBXJ-YK08 Towhomitmayconcern, Weherebyrespectfullyrequestthatundertheprovisionof47CFR0.459and0.457(d)the documentslistedbelowandattachedwiththisapplicationforcertificationbeprovidedwith confidentialstatus.  Schematics.pdf OperationalDescription.pdf  FrequencyBlockDiagrams.pdf Anyexhibit/informationforwhichwehaverequestedconfidentiality,butwhichmaynotbe accordedsuchtreatmentbytheFCC,shouldbereturnedtous. Thedocumentslistedabovecontaintradesecretsthataretreatedasconfidentialbyus. Substantialcompetitiveharmtouscouldresultshouldtheybemadeavailabletothepublic. Sincerely, Signature: PrintedName: Jackxie Company:ShenzhenYongshiIntelligentCo.,LTD JobTitle:Manager Email:[email protected] Telephone:13824302018

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FCCID:2BBXJ-YK08

FCCID:2BBXJ-YK08 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, FrequencyRange:2402-2480MHz ForBLE ForBT SoaSARtestisnotrequired maxtune-uppower(dBm)maxtune-uppower(mW)Min.distance(mm)Calc.thresholdslimit 1.461.3995 0.434 3.0 maxtune-uppower(dBm)maxtune-uppower(mW)Min.distance(mm)Calc.thresholdslimit 1.121.2945 0.402 3.0

Project:YK08Author: Haiou.Zhu FileName: YK08_APP_A.doc Date:2024-06-06 Revision:A CONFIDENTIAL ShenzhenOnePlusOneWirelessCommunicationTechnologyCo.,Ltd. Page 1 of 4 深圳市一加一无线通讯技术有限公司 承认书 APPROVALSHEET 客户 Customer永时 项目名 ProjectYK08 料号 PartNO. 规格 SpecificationBTAntennas APPROVAL OnePlusOne: RFCheckMECheckQCCheckConfirmBy Customer: EECheckPMCheckQCCheckConfirmBy 承认鉴章后请寄回承认书一份 Pleasereturntousonecopyof“APPROVALSHEET”withyourapprovedsignatures Pl Project:YK08Author: Haiou.Zhu FileName: YK08_APP_A.doc Date:2024-06-06 Revision:A CONFIDENTIAL ShenzhenOnePlusOneWirelessCommunicationTechnologyCo.,Ltd. Page 1-2 of 4 Date:Revision:Updatesandchanges:Issuedby: 2022.07.06AInitialsheetHaiou.Zhu Contents 1ANTENNADESCRIPTION...................................................................................2 1.1Partnumber.........................................................................................3 2ELECTRICALPERFORMANCE...........................................................................3 2.1Specification.........................................................................................3 2.2MeasurementSet-up...........................................................................3 3REFERENCEMEASUREMENTDATA................................................................4 3.2Active....................................................................................................4 1Antennadescription ItsummarizeBTantennasforprojectYK08.BTantenna’sfrequencybandis2400-2500MHz.BTantenna’stype isIFA Project:YK08Author: Haiou.Zhu FileName: YK08_APP_A.doc Date:2024-06-06 Revision:A CONFIDENTIAL ShenzhenOnePlusOneWirelessCommunicationTechnologyCo.,Ltd. Page 2-3 of 4 1.1Partnumber Partnumberofantenna：YK08-BT Antennapictures 2ElectricalPerformance 2.1Specification BT FrequencyRange 2400MHz~2500MHz <-5 >25% ReturnLoss Efficiency 2.2MeasurementSet-up VSWRandReturnLoss VSWRmeasurements(S 11 )wereperformedusinganAgilentENAseriesNetworkAnalyzerandthepreviously describedtestfixture.Coaxialchokeswereusedtomitigatesurfacecurrentsontheoutsideofthecabling.The testingwasperformedinfreespace. Project:YK08Author: Haiou.Zhu FileName: YK08_APP_A.doc Date:2024-06-06 Revision:A CONFIDENTIAL ShenzhenOnePlusOneWirelessCommunicationTechnologyCo.,Ltd. Page 3-4 of 4 3Referencemeasurementdata Active

ProjectNo.:ZKT-240725L8854-2 Page 1 of 86 FCCTESTREPORT FCCID:2BBXJ-YK08 ReportNumber.....................................: ZKT-240725L8854-2 DateofTest.......................................................: Jul.15,2024toJul.25,2024 Dateofissue.........................................: Jul.25,2024 Totalnumberofpages..........................86 TestResult..........................................: PASS TestingLaboratory............................: ShenzhenZKTTechnologyCo.,Ltd. Address ............................................... : 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................: ShenzhenYongshiIntelligentCo.,LTD Address ............................................... : A305,BuildingA6-6,No.20,GangtouRoad,BogangCommunity, ShajingStreet,Bao'anDistrict,Shenzhen,Guangdong Manufacturer'sname ...................... : ShenzhenYongshiIntelligentCo.,LTD Address...............................................: A305,BuildingA6-6,No.20,GangtouRoad,BogangCommunity, ShajingStreet,Bao'anDistrict,Shenzhen,Guangdong Testspecification: Standard................................................: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 Testprocedure ..................................... : / Non-standardtestmethod................:N/A TestReportFormNo. ....................... : TRF-EL-111_V0 TestReportForm(s)Originator.....: ZKTTesting MasterTRF........................................: Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname ..................................... :Smartwatch Trademark ........................................... : N/A Model/Typereference......................:YK08,YK01,YK02,YK03,YK05,YK06,YK07,YK10,YK11,YK12. Ratings..................................................:DC3.8VfrombatteryorDC5VfromUSBport ProjectNo.:ZKT-240725L8854-2 Page 2 of 86 Testingprocedureandtestinglocation: TestingLaboratory............................:ShenzhenZKTTechnologyCo.,Ltd. Address.................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China AlenHe Testedby(name+signature)............: JoeLiu Reviewer(name+signature).............: LakeXie Approved(name+signature)............: ProjectNo.:ZKT-240725L8854-2 Page 3 of 86 TableofContents Page 1.VERSION..................................................................................................................................5 2.TESTSUMMARY...................................................................................................................6 2.1TESTFACILITY.........................................................................................................................7 2.2MEASUREMENTUNCERTAINTY......................................................................................7 3.GENERALINFORMATION..................................................................................................8 3.1GENERALDESCRIPTIONOFEUT...................................................................................8 3.2TestSetupConfiguration........................................................................................................9 3.3SupportEquipment.................................................................................................................10 3.4TestMode.................................................................................................................................11 3.5EQUIPMENTSLISTFORALLTESTITEMS................................................................12 4.EMCEMISSIONTEST........................................................................................................14 4.1Conductedemissions............................................................................................................14 4.1.1POWERLINECONDUCTEDEMISSIONLimits.......................................................14 4.1.2TESTPROCEDURE..........................................................................................................14 4.1.3DEVIATIONFROMTESTSTANDARD.......................................................................14 4.1.4TESTSETUP.......................................................................................................................15 4.1.5EUTOPERATINGCONDITIONS..................................................................................15 4.1.6TestResult （ WorstcaseGFSK2402MHz ） ...........................................................16 4.2Radiatedemissions................................................................................................................18 4.2.1RadiatedEmissionLimits.................................................................................................18 4.2.2TESTPROCEDURE..........................................................................................................18 4.2.3DEVIATIONFROMTESTSTANDARD.......................................................................19 4.2.4TESTSETUP.......................................................................................................................19 4.2.5EUTOPERATINGCONDITIONS..................................................................................20 4.2.6TESTRESULTS..................................................................................................................21 1GHZ~25GHZ............................................................................................................................24 5.RADIATEDBANDEMISSIONMEASUREMENT.......................................................…

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