2AS3I-VIVITAR-TWSTWS Earbuds with digital display charging case

(ShenzhenSowakElectronicCo.,Ltd) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024-08-26 FCCID:2AS3I-VIVITAR-TWS Ref.#1:AttestationStatementsPart2.911(d)(5)(i)Filing (“ShenzhenSowakElectronicCo.,Ltd”)certifiesthattheequipmentforwhichauthorization issoughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorization pursuanttosection2.903oftheFCCrules. Ref.#2:AttestationStatementsPart2.911(d)(5)(ii)Filing (“ShenzhenSowakElectronicCo.,Ltd”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredListasanentity producing“covered”equipment. Applicant:ShenzhenSowakElectronicCo.,Ltd Address:No.88JinkangRoadJinshaCommunityKengziStreet,PingshanDist.,Shenzhen, China Tel.:+8615875499788 Email:[email protected] Sincerely, Signature:

ShenzhenSowakElectronicCo.,Ltd Address：No.88JinkangRoadJinshaCommunityKengziStreet,PingshanDist.,Shenzhen,China Date:2024-08-28 FederalCommunicationsCommission AuthorizationandEvaluationDivision 1435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2AS3I-VIVITAR-TWS FRN:0028404507 (“ShenzhenSowakElectronicCo.,Ltd”)certifiesthat,asofthedateofthefilingofthe application,SakarInternational,IncisourdesignatedU.S.agentforserviceofprocessfor theabovereferencedFCCID.(“ShenzhenSowakElectronicCo.,Ltd”)acceptstomaintainan agentfornolessthanoneyearafterthegranteehasterminatedallmarketingandimportation ortheconclusionofanyCommission-relatedproceedinginvolvingtheequipment. SakarInternational,Incaccepts,asofthedateofthefilingoftheapplication,theobligationof thedesignatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:SakarInternational,Inc Address:195CarterDriveEdison,Edison,NJ8817UnitedStates FRN：0028102671 ContactPerson:DAWNLEITAO Tel.:（800）637-1090 Email:[email protected] Sincerely, Signedonbehalfof（ShenzhenSowak ElectronicCo.,Ltd） SignedonbehalfofSakarInternational,Inc Name:YiZhangName:DAWNLEITAO Title:GeneralManagerTitle:Manager Date:2024-08-28Date:2024-08-28

UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± SCALE：N/ Shenzhen Pengban Xingye Technology Co., Ltd AUNIT：mm DRAWNBY:Ser THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION aCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 产品规格承认书 SPECIFICATIONS 客户: CUSTOMER: 产品名称: DESCRIPTION:Chip antenna 客户型号: CUSTOMERPARTNO: 产品型号: OURMODELNO:PBX1608MA02 日期: DATE:2021/09/01 确认签字,盖章后请返回承认书一份 PLEASERETURNTOUSONECOPYOF“SPECIFICATIONFORAPPROVAL” WITHYOURAPPROVEDSIGNATURES approvalto examinefei LiuMarkxiaomei Liu Customer acknowledges signature and seal Date Address: 605, Building 4, 1970 Science and Technology Park, Minzhi Community, Minzhi Street, Longhua District, Shenzhen UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 PBX1608MA01Specification OperatingTemp.:-40°C~+85°C 1. FEATURES : ●Lightweight,compact ●Widebandwidth,lowcost ●Built-inantennawithhighgain 2. APPLICATIONS : ●Bluetooth,WirelessLAN,MobileTV ●HomeRFSystem,etc 3.PRODUCTIDENTIFICATION (1)(2)(3) (1)Producttype:MultilayerchipAntenna (2)CenterFrequency:2450MHz (3)ExternalDimensions(L×W)(mm):1.6*0.8 4.SHAPEANDDIMENSIONS: WHA 0.8±0. L 1.6±0.22 0.8 ± 0.20.3 ± 0.1 CH IP45 016 2 08 UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 ElectricalCharacteristics CharacteristicCurves UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 RadiationPattern UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 3DRadiationPattern UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 RadiationPattern TheGainpatternismeasuredinFAR-fieldchamber.DUTisplacedonthetableofrotator,a standardhornantennaandVectorNetworkAnalyzerisusedtocollectdata. EnvironmentalCharacteristics (1)ReliabilityTest (2)StorageCondition (a)Atwarehouse: Thetemperatureshouldbewithin0~30°Candhumidityshouldbelessthan60%RH. Theproductshouldbeusedwithin1yearfromthetimeofdelivery. (b)Onboard: Thetemperatureshouldbewithin-40~85°Candhumidityshouldbelessthan85%RH. (3)OperatingTemperatureRange Operatingtemperaturerange:-40 °C to+105 °C . UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 8.RecommendedReflowSoldering (1)SolderingGunProcedure Notethefollows,incaseofusingsoldergunforreplacement. (a)Thetiptemperaturemustbelessthan350 ° Cfortheperiodwithin3secondsby usingsolderinggununder30W. (b)Thesolderingguntipshallnottouchthisproductdirectly. (2)SolderingVolume Notethatexcessofsolderingvolumewilleasilygetcrackthebodyofthisproduct.

ShenzhenSowakElectronicCo.,Ltd Date：2024-08-26 ProductModelNumber:V40096W,V40098W Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatORGANIZATION.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyORGANIZATION.onourbehalf shallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:GeneralManager Email:[email protected] Telephone:+8615875499788 Onbehalfof:ShenzhenSowakElectronicCo.,Ltd

ShenzhenSowakElectronicCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:August26,2024 Subject;RequestforConfidentiality FCCID:2AS3I-VIVITAR-TWS 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:YiZhang Title:GeneralManager

ShenzhenSowakElectronicCo.,Ltd ModelDifference Productdescription:TWSEarbudswithdigitaldisplaychargingcase Modelname:V40096W,V40098W FCCID:2AS3I-VIVITAR-TWS V40096Wistestedmodel,othermodelsarederivativemodels.Themodelsareidenticalin circuit,onlydifferentonthemodelnames.SothetestdataofV40096Wcanrepresentthe remainingmodels. Client’ssignature: Client’sname/title:YiZhang/GeneralManager Contactinformation/address:No.88JinkangRoadJinshaCommunityKengziStreet, PingshanDist.,Shenzhen,China

FCCID:2AS3I-VIVITAR-TWS EUTPHOTOS(ExternalPhotos) FCCID:2AS3I-VIVITAR-TWS FCCID:2AS3I-VIVITAR-TWS FCCID:2AS3I-VIVITAR-TWS ※※※※※ENDOFREPORT※※※※※

Size:3mm*28mm FCCID:2AS3I-VIVITAR-TWS

FCCID:2AS3I-VIVITAR-TWS EUTPHOTOS(InternalPhotos) FCCID:2AS3I-VIVITAR-TWS FCCID:2AS3I-VIVITAR-TWS ANT FCCID:2AS3I-VIVITAR-TWS ※※※※※ENDOFREPORT※※※※※

· FCCID:2AS3I-VIVITAR-TWS RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093，Unless specificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-gheador bodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,by measurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTest ExclusionThresholdcondition(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, ForBluetooth Mode Max Power (dBm) Tune-up power (dBm) Max Power (mW) Frequency(MHz) Min. Distance (mm) Calc. thresholds limit BR/EDR 2.25 2±1 2.0024025 0.620 3.0 SoaSARtestisnotrequired

ProjectNo.:ZKT-240822L10314E Page1of96 FCCTESTREPORT FCCID:2AS3I-VIVITAR-TWS ReportNumber. .................................. :ZKT-240822L10314E DateofTest..........................................:Aug.09,2024toAug.19,2024 Dateofissue.........................................:Aug.28,2024 TestResult..........................................:PASS TestingLaboratory. .......................... :ShenzhenZKTTechnologyCo.,Ltd. Address...............................................: 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrialAvenue, FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname ............................. :ShenzhenSowakElectronicCo.,Ltd Address...............................................:No.88JinkangRoadJinshaCommunityKengziStreet,PingshanDist., Shenzhen,China Manufacturer'sname ...................... :ShenzhenSowakElectronicCo.,Ltd Address...............................................: No.88JinkangRoadJinshaCommunityKengziStreet,PingshanDist., Shenzhen,China Testspecification: Standard................................................:FCCCFRTitle47Part15SubpartCSection15.247 Testprocedure.....................................:KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2013 Non-standardtestmethod................: N/A ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentundertest (EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsampleidentifiedin thereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmaybe alteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname ..................................... : TWSEarbudswithdigitaldisplaychargingcase Trademark ........................................... :VIVITAR Model/Typereference.........................:V40096W,V40098W ModelDifference..............................:V40096Wistestedmodel,othermodelsarederivativemodels.The modelsareidenticalincircuit,onlydifferentonthemodelnames.So thetestdataofV40096Wcanrepresenttheremainingmodels. Ratings..................................................:Input:DC5VorDC3.7Vpoweredbybattery ProjectNo.:ZKT-240822L10314E Page 2 of 96 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).......................: LakeXieApproved(name+signature).......................: ProjectNo.:ZKT-240822L10314E Page 3 of 96 TableofContents Page 1.VERSION...........................................................................................................................................5 2.TESTSUMMARY..............................................................................................................................6 2.1TESTFACILITY...............................................................................................................................7 2.2MEASUREMENTUNCERTAINTY..................................................................................................7 3.GENERALINFORMATION...............................................................................................................8 3.1GENERALDESCRIPTIONOFEUT................................................................................................8 3.3SupportEquipment........................................................................................................................10 3.4TestMode......................................................................................................................................10 3.5EQUIPMENTSLISTFORALLTESTITEMS................................................................................11 4.EMCEMISSIONTEST....................................................................................................................12 4.1Conductedemissions.....................................................................................................................12 4.1.1POWERLINECONDUCTEDEMISSIONLimits........................................................................12 4.1.2TESTPROCEDURE...................................................................................................................12 4.1.3DEVIATIONFROMTESTSTANDARD......................................................................................12 4.1.4TESTSETUP..............................................................................................................................13 4.1.5EUTOPERATINGCONDITIONS...............................................................................................13 4.1.6TESTRESULTS.........................................................................................................................13 4.2Radiatedemissions........................................................................................................................14 4.2.1RadiatedEmissionLimits...........................................................................................................14 4.2.2TESTPROCEDURE...................................................................................................................14 4.2.3DEVIATIONFROMTESTSTANDARD......................................................................................15 4.2.4TESTSETUP..............................................................................................................................15 4.2.5EUTOPERATINGCONDITIONS...............................................................................................16 4.2.6TESTRESULTS.........................................................................................................................17 5.1TestRequirement:...........................................…

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FCCID:2AS3I-VIVITAR-TWS EUTTESTPHOTOS