2AZSZ-SRS-3WOLONOW Smart Dual-Mode Jumping Rope

Date:04/17/2018VCB_F-01:OperatingProceduresForm–FCCAuthorizationv02Page1of2 StarAtmosphereTechnology(Shenzhen)Co.,LTD FederalCommunicationsCommission AuthorizationandEvaluationDivision 1435OaklandMillsRoad Columbia,MD21046 Date:2021-06-28 SUBJECT:FCCApplicationfor(FCCID:2AZSZ-SRS-3) ToWhomItMayConcern: We,theundersigned,herebyauthorizeYoyoZhouin ShenzhenHuaxiaTesting TechnologyCo.,Ltdat1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad, DalangStreet,LonghuaDistrict,Shenzhen,Chinaonourbehalf,toapplytotheFederal CommunicationsCommissiononourequipment.Anyandallactscarriedoutby ShenzhenHuaxiaTestingTechnologyCo.,Ltd onourbehalfshallhavethesame effectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We, theapplicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection 5301oftheAnti-DrugActof1988,21USC853a,andnopartytotheapplicationis subjecttoadenialoffederalbenefitspursuanttothatsection. Sincerely, (MustbesignedbythepersonthatislistedontheFCCWebsite) Signature: Contactname:Henrikzhang Companyname:StarAtmosphereTechnology(Shenzhen)Co.,LTD Address:Room2706A,BlockA,SunshineTDIBuilding,NanshanDistrict,Shenzhen 518000,China Date:04/17/2018VCB_F-01:OperatingProceduresForm–FCCAuthorizationv02Page2of2

Date:04/17/2018VCB_F-01:OperatingProceduresForm–FCCConfidentialityv02Page1of1 StarAtmosphereTechnology(Shenzhen)Co.,LTD FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2AZSZ-SRS-3 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequest confidentialtreatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName 1.BlockDiagram, 2.Schematics, 3.OperationalDescription 1.2AZSZ-SRS-3-Blockdiagram 2. 2AZSZ-SRS-3 -SCH 3. 2AZSZ-SRS-3 -Operationaldescription Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarily releasedtothepublic.Thepublicdisclosureofthesematerialsmaybeharmfultothe applicantandprovideunjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateofthe Grantforthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,wealso requesttemporaryconfidentialtreatmentofinformationaccompanyingthisapplication asoutlinedbelowforaninitialperiodofxxxx(ie-“45”,“90”or“180”)days: ExhibitTypeFileName N/AN/A Signature: Contactname:Henrikzhang Companyname:StarAtmosphereTechnology(Shenzhen)Co.,LTD Address:Room2706A,BlockA,SunshineTDIBuilding,NanshanDistrict,Shenzhen 518000,China

FCCID:2AZSZ-SRS-3 FCCID:2AZSZ-SRS-3 FCCID:2AZSZ-SRS-3 FCCID:2AZSZ-SRS-3

FCCID:2AZSZ-SRS-3 FCCID:2AZSZ-SRS-3 FCCID:2AZSZ-SRS-3

ShenzhenHuaxiaTestingTechnologyCo.,Ltd 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V04 ReportTemplateRevisionDate:2018-07-06 RFExposureEvaluationReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.: CQASZ20210600821E-02 Applicant: StarAtmosphereTechnology(Shenzhen)Co.,LTD AddressofApplicant:Room2706A,BlockA,SunshineTDIBuilding,NanshanDistrict,Shenzhen 518000,China EquipmentUnderTest(EUT): EUTName: WOLONOWSmartDual-ModeJumpingRope ModelNo.: SRS-3.0 BrandName:WOLONOW FCCID:2AZSZ-SRS-3 Standards: 47CFRPart1.1307 47CFRPart2.1093 KDB447498D01GeneralRFExposureGuidancev06 DateofReceipt:2021-06-04 DateofTest:2021-06-04to2021-06-18 DateofIssue:2021-06-18 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy： (LewisZhou) ReviewedBy: (JunLi) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210600821E-02 Page:2of6 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20210600821E-02Rev.01 Initialreport 2021-06-18 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210600821E-02 Page:3of6 2Contents Page 1VERSION......................................................................................................................................................................2 2CONTENTS..................................................................................................................................................................3 3GENERALINFORMATION........................................................................................................................................4 3.1CLIENTINFORMATION................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT................................................................................................................................4 4SAREVALUATION.....................................................................................................................................................5 4.1RFEXPOSURECOMPLIANCEREQUIREMENT..............................................................................................................5 4.1.1StandardRequirement..................................................................................................................................5 4.1.2Limits................................................................................................................................................................5 4.1.3EUTRFExposure..........................................................................................................................................6 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210600821E-02 Page:4of6 3GeneralInformation 3.1ClientInformation Applicant: StarAtmosphereTechnology(Shenzhen)Co.,LTD AddressofApplicant: Room2706A,BlockA,SunshineTDIBuilding,NanshanDistrict, Shenzhen518000,China Manufacturer: StarAtmosphereTechnology(Shenzhen)Co.,LTD AddressofManufacturer: Room2706A,BlockA,SunshineTDIBuilding,NanshanDistrict, Shenzhen518000,China Factory: StarAtmosphereTechnology(Shenzhen)Co.,LTD AddressofFactory: Room2706A,BlockA,SunshineTDIBuilding,NanshanDistrict, Shenzhen518000,China 3.2GeneralDescriptionofEUT ProductName: WOLONOWSmartDual-ModeJumpingRope ModelNo.: SRS-3.0 TradeMark: WOLONOW HardwareVersion:V1.2 SoftwareVersion:V1.4 OperationFrequency: 2402MHz~2480MHz Version: 2.4Gcustom ModulationType: GFSK TransferRate: 1Mbps NumberofChannel: 40 ProductType: MobilePortableFixLocation TestSoftwareofEUT: TG71XXProgrammer AntennaType:Chipantenna AntennaGain:0dBi EUTPowerSupply: lithiumbattery:DC3.7V,500mAh,ChargebyDC5V . ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210600821E-02 Page:5of6 4SAREvaluation 4.1RFExposureComplianceRequirement 4.1.1StandardRequirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06 4.3.1.StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-ghead orbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,by measurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARExclusion Thresholdcondition,listedbelow,issatisfied. 4.1.2Limits The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparationdistances ≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]· [√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation 17 Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mmand fortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtestseparation distanceis<5mm,adistanceof5mmisappliedtodetermineSARtestexclusion ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210600821E-02 Page:6of6 4.1.3EUTRFExposure 1)ForBLE MeasurementData GFSKmode TestchannelPeakOutputPower (dBm) Tuneuptolerance (dBm) Maximumtune-upPower (dBm)(mW) Lowest(2402MHz)2.121.5±12.51.778 Middle(2440MHz)1.030.5±11.51.412 Highest(2480MHz)-1.46-2±1-10.794 Worstcase:GFSK Channel MaximumPeak Conducted OutputPower (dBm) Tuneup tolerance (dBm) Maximumtune- upPower Calculated value Exclusion threshold (dBm)(mW) Lowest (2402MHz) 2.121.5±12.51.7780.551 3.0 Middle (2440MHz) 1.030.5±11.51.4120.441 Highest (2480MHz) -1.46-2±1-1 0.7940.250 Conclusion:thecalculatedvalue≤3.0,SARisexempted. Remark:TheMaxConductedPeakOutputPowerdatarefertoreportReportNo.:CQASZ20210600821E-01

ShenzhenHuaxiaTestingTechnologyCo.,Ltd 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V03 ReportTemplateRevisionDate:Mar.1st,2017 TestReport *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonly tothesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. 1Coverpage ReportNo.: CQASZ20210600821E-01 Applicant: StarAtmosphereTechnology(Shenzhen)Co.,LTD AddressofApplicant:Room2706A,BlockA,SunshineTDIBuilding,NanshanDistrict,Shenzhen 518000,China Manufacturer: StarAtmosphereTechnology(Shenzhen)Co.,LTD Addressof Manufacturer: Room2706A,BlockA,SunshineTDIBuilding,NanshanDistrict,Shenzhen 518000,China EquipmentUnderTest(EUT): Product:WOLONOWSmartDual-ModeJumpingRope AllModelNo.:SRS-3.0 BrandName:WOLONOW FCCID:2AZSZ-SRS-3 Standards:47CFRPart15,SubpartC DateofTest:2021-06-04to2021-06-18 DateofIssue:2021-06-18 TestResult:PASS* TestedBy： (LewisZhou) ReviewedBy: (JunLi) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210600821E-01 Page: 2 of 47 2Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20210600821E-01Rev.01 Initialreport 2021-06-18 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210600821E-01 Page: 3 of 47 3TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203/15.247(c) ANSIC63.102013PASS ACPowerLine Conducted Emission 47CFRPart15,SubpartCSection 15.207 ANSIC63.102013PASS ConductedPeakOutput Power 47CFRPart15,SubpartCSection 15.247(b)(3) ANSIC63.102013PASS 6dBOccupied Bandwidth 47CFRPart15,SubpartCSection 15.247(a)(2) ANSIC63.102013PASS PowerSpectralDensity 47CFRPart15,SubpartCSection 15.247(e) ANSIC63.102013PASS Band-edgeforRF ConductedEmissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.102013PASS RFConductedSpurious Emissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.102013PASS RadiatedSpurious Emissions 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.102013PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.102013PASS ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210600821E-01 Page: 4 of 47 4Contents Page 1COVERPAGE...........................................................................................................................................................1 2VERSION....................................................................................................................................................................2 3TESTSUMMARY......................................................................................................................................................3 4CONTENTS................................................................................................................................................................4 5GENERALINFORMATION.....................................................................................................................................5 5.1CLIENTINFORMATION...........................................................................................................................................5 5.2GENERALDESCRIPTIONOFEUT...........................................................................................................................5 5.3ADDITIONALINSTRUCTIONS..................................................................................................................................7 5.4TESTENVIRONMENT..............................................................................................................................................8 5.5DESCRIPTIONOFSUPPORTUNITS..........................................................................................................................8 5.6STATEMENTOFTHEMEASUREMENTUNCERTAINTY..............................................................................................9 5.7TESTLOCATION...................................................................................................................................................10 5.8TESTFACILITY.....................................................................................................................................................10 5.9DEVIATIONFROMSTANDARDS............................................................................................................................10 5.10OTHERINFORMATIONREQUESTEDBYTHECUSTOMER......................................................................................10 5.11EQUIPMENTLIST.................................................................................................................................................11 6TESTRESULTSANDMEASUREMENTDATA...............................................................................................12 6.1ANTENNAREQUIREMENT....................................................................................................................................12 6.2CONDUCTEDEMISSIONS......................................................................................................................................13 6.3CONDUCTEDPEAKOUTPUTPOWER....................................................................................................................16 6.46DBOCCUPYBANDWIDTH..................................................................................................................................19 6.5POWERSPECTRALDENSITY................................................................................................................................22 6.6BAND-EDGEFORRFCONDUCTEDEMISSIONS....................................................................................................25 6.7SP…

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FCCID:2AZSZ-SRS-3 9KHz~30MHz: 30MHz~1GHz: Above1GHz: FCCID:2AZSZ-SRS-3 1.1ConductedEmission