2BHBO-OWS31Open Ear Bluetooth Headsets

blue blue red and blue red and blue red green green 蓝 绿 绿 蓝 红蓝 红蓝 红 Open Ear Bluetooth Headsets FCC Caution: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

2.911(d)(5)(i)EquipmentTypeAttestationv1.2 ShenzhenXiaoqieElectronicsCo.,LTD Section2.911(d)(5)(i)Certification–EquipmentType Companyname:ShenzhenXiaoqieElectronicsCo.,LTD Address:Room506,Building,No.B11,ZongtaiDigitalEconomyIndustrialPark,XixiangStreet, Shenzhen,China ProductName:OpenEarBluetoothHeadsets FCCID:2BHBO-OWS31 Model(s):OWS31,BY01,Bearfits01 2.911(d)(5)(i)EquipmentType We,[ShenzhenXiaoqieElectronicsCo.,LTD]certifythattheequipmentforwhichauthorizationis soughtthroughcertificationisnot: Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules. Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:HongyuPanDate:07-18-2024 TitleandCompanyname:generalmanager/ShenzhenXiaoqieElectronicsCo.,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

2.911(d)(5)(ii)ApplicantAttestationv1.3 ShenzhenXiaoqieElectronicsCo.,LTD Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:ShenzhenXiaoqieElectronicsCo.,LTD Address:Room506,Building,No.B11,ZongtaiDigitalEconomyIndustrialPark,XixiangStreet, Shenzhen,China ProductName:OpenEarBluetoothHeadsets FCCID:2BHBO-OWS31 Model(s):OWS31,BY01,Bearfits01 2.911(d)(5)(ii)Applicantfiling We,[ShenzhenXiaoqieElectronicsCo.,LTD]certifythat,asofthedateofthefilingofthe application,theapplicantisnotidentified NOTE1 onthe“CoveredList” NOTE2 ,establishedpursuant to§1.50002ofthischapter,asanentityproducingcoveredcommunicationsequipment. Yourssincerely, Name:HongyuPanDate:07-18-2024 TitleandCompanyname:generalmanager/ShenzhenXiaoqieElectronicsCo.,LTD NOTE1 Deleteoptionnotapplicabletothisapplication. NOTE2 “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

ShenzhenXiaoqieElectronicsCo.,LTD U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:07-18-2024 Ref: AttestationStatement–Part 2.911(d)(7)filing FCCID:2BHBO-OWS31 ShenzhenXiaoqieElectronicsCo.,LTDcertifiesthat,asofthedateofthefilingoftheapplication, Address: 1200BroadwaySt.APT329,LosAngeles,CA90015 Signature THREESTONESMEDIALLCisourdesignatedU.S.agentforserviceofprocessfortheabove referenceFCCID.TheapplicantacceptstomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherthegranteehaspermanentlyterminatedallmarketing andimportationoftheapplicableequipmentwithintheU.S.,ortheconclusionofanyCommission- relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheverislater.The applicantfurtheracknowledgesitisourresponsibilitytoinformtheFCCwhenevertheagent informationchanges. THREESTONESMEDIALLCunderstanditistheagent'sobligationtoacceptserviceofprocessin theUnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S.address andemailaddress. DesignatedU.S.Agent CompanyName: THREESTONESMEDIALLC FRN:0033401761 GC:2A99E : ContactPerson:SijieZhang Tel:+12679093692Email:[email protected] Applicant CompanyName:ShenzhenXiaoqieElectronicsCo.,LTD Address: Room506,Building,No.B11,ZongtaiDigitalEconomy IndustrialPark,XixiangStreet,Shenzhen,China Signature: ContactPerson:HongyuPan FRN:0035618040 GC:2BHBO Email:[email protected]

ShenzhenXiaoqieElectronicsCo.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:07-18-2024 Subject;RequestforConfidentiality FCCID:2BHBO-OWS31 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:HongyuPan Title:generalmanager

ShenzhenXiaoqieElectronicsCo.,LTD LetterofAuthorization Company:ShenzhenXiaoqieElectronicsCo.,LTD Address:Room506,Building,No.B11,ZongtaiDigitalEconomyIndustrial Park,XixiangStreet,Shenzhen,China ProductName:OpenEarBluetoothHeadsets ModelNumber(s):OWS31,BY01,Bearfits01 ProductDescription:OpenEarBluetoothHeadsets WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:07-18-2024 Name:HongyuPan Title:generalmanager Company:ShenzhenXiaoqieElectronicsCo.,LTD

version01 Itisherebydeclaredthattheproduct FCCID:2BHBO-OWS31 ProductName:OpenEarBluetoothHeadsets Model:OWS31 ListedModel(s):BY01,Bearfits01 Mark:/ AllmodelshavethesamecircuitandRFmodule,Onlydifferentcolors ShenzhenXiaoqieElectronicsCo.,LTD Modeldifferencestatement . Sincerely, Signature [Hongyu Pan] [Manager] [Shenzhen Xiaoqie Electronics Co.,LTD]

FCCID:2BHBO-OWS31 FCCID:2BHBO-OWS31 FCCID:2BHBO-OWS31 FCCID:2BHBO-OWS31

FCCID:2BHBO-OWS31 Label Size:10mm*5mm FCCID:2BHBO-OWS31 LabelLocation

FCCID:2BHBO-OWS31 FCCID:2BHBO-OWS31 ANT FCCID:2BHBO-OWS31

RFExposureevaluation FCCID2BHBO-OWS31 ProductNameOpenEarBluetoothHeadsets ModelNo.OWS31 ListedModel(s)BY01,Bearfits01 ExposurecategoryGeneralpopulation/uncontrolledenvironment EUTTypeProductionUnit DeviceTypePortableDevice 1.Reference ANSIC95.1–1999:IEEEStandardforSafetyLevelswithRespecttoHumanExposureto RadioFrequencyElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortable DevicesRFExposureProceduresandEquipmentAuthorizationPolicies. FCCCFR47parBMK24041.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1093:Radiofrequencyradiationexposureevaluation:portabledevices 2.Requirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1Standalone SARtestexclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposure KDBprocedures,standalone1-gheadorbodyand10-gextremitySARevaluationforgeneral populationexposureconditions,bymeasurementornumericalsimulation,isnotrequired whenthecorrespondingSARTestExclusionThresholdcondition,listedbelow,issatisfied. Thesetestexclusionconditionsarebasedonsource-basedtime-averagedmaximum conductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-uptolerance, andtheminimumtestseparationdistancerequiredfortheexposureconditions.22The minimumtestseparationdistanceisdeterminedbythesmallestdistancefromtheantenna andradiatingstructuresoroutersurfaceofthedevice,accordingtothehostformfactor, exposureconditionsandplatformrequirements,toanypartofthebodyorextremityofauser orbystander(see5)ofsection4.1).ToqualifyforSARtestexclusion,thetestseparation distancesappliedmustbefullyexplainedandjustifiedbytheoperatingconfigurationsand exposureconditionsofthetransmitterandapplicablehostplatformrequirements,typicallyin theSARmeasurementorSARanalysisreport,accordingtotherequiredpublishedRF exposureKDBprocedures.WhennootherRFexposuretestingorreportingisrequired,a statementofjustificationandcompliancemustbeincludedintheequipmentapproval,inlieuof theSARreport,toqualifyfortheSARtestexclusion.Whenrequired,thedevicespecific conditionsdescribedintheotherpublishedRFexposureKDBproceduresmustbesatisfied beforeapplyingtheseSARtestexclusionprovisions;forexample,handheldPTTtwo-way radios,handsets,laptops&tabletsetc.23” [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where: •f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison •3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto5)insection4.1isappliedto determineSARtestexclusion. Whenoneofthefollowingtestexclusionconditionsissatisfiedforallcombinationsof simultaneoustransmissionconfigurations,furtherequipmentapprovalisnotrequiredto incorporatetransmittermodulesinhostdevicesthatoperateinthemixedmobileandportable hostplatformexposureconditions.Thegranteeisresponsiblefordocumentingthisaccording toClassIpermissivechangerequirements.AntennasthatqualifyforstandaloneSARtest exclusionmustapplytheestimatedstandaloneSARtodeterminesimultaneoustransmission testexclusion. a)The[∑of(thehighestmeasuredorestimatedSARforeachstandaloneantenna configuration,adjustedformaximumtune-uptolerance)/1.6W/kg]+[∑ofMPEratios]is≤ 1.0. b)TheSARtopeaklocationseparationratiosofallsimultaneouslytransmittingantennapairs operatinginportabledeviceexposureconditionsareall≤0.04,andthe[∑ofMPEratios]is≤ 1.0. 3.ConductedPeakOutputPower Left ModulationPacketTypeChannel PeakOutput Power (dBm) PeakOutput Power (mW) GFSKDH5 0-0.250.94 390.501.12 781.451.40 π/4DQPSK2-DH5 00.681.17 391.381.37 782.261.68 8DPSK3-DH5 01.061.28 391.681.47 782.601.82 ModulationPacketTypeChannel PeakOutput Power (dBm) PeakOutput Power (mW) GFSKBLE1M 0-0.360.92 190.361.09 391.331.36 Right ModulationPacketTypeChannel PeakOutput Power (dBm) PeakOutput Power (mW) GFSKDH5 0 0.011.00 39 0.281.07 78 1.661.47 π/4DQPSK 2-DH5 0 0.861.22 39 1.051.27 78 2.421.75 8DPSK3-DH5 0 1.271.34 39 1.551.43 78 2.851.93 ModulationPacketTypeChannel PeakOutput Power (dBm) PeakOutput Power (mW) GFSKBLE1M 0 0.031.01 19 0.321.08 39 1.661.47 4.ManufacturingTolerance Left DH5 ChannelChannel0Channel39Channel78 Target(dBm)001 Tolerance±(dB)1.01.01.0 2DH5 ChannelChannel0Channel39Channel78 Target(dBm)112 Tolerance±(dB)1.01.01.0 3DH5 ChannelChannel0Channel39Channel78 Target(dBm)112 Tolerance±(dB)1.01.01.0 BLE ChannelChannel0Channel19Channel39 Target(dBm)011 Tolerance±(dB)1.01.01.0 Right DH5 ChannelChannel0Channel39Channel78 Target(dBm)111 Tolerance±(dB)1.01.01.0 2DH5 ChannelChannel0Channel39Channel78 Target(dBm)112 Tolerance±(dB)1.01.01.0 3DH5 ChannelChannel0Channel39Channel78 Target(dBm)112 Tolerance±(dB)1.01.01.0 BLE ChannelChannel0Channel19Channel39 Target(dBm)011 Tolerance±(dB)1.01.01.0 5.EvaluationResult Band/Modef(GHz) Antenna Distance (mm) RFoutputpower SARTest Exclusion Threshold SARTest Exclusion dBmmW EDR2.4805320.6284<3.0Yes BLE2.480521.580.4992<3.0Yes Remark: 1.Outputpowerincludingtuneuptolerance; 2.Whentheminimumtestseparationdistanceis<5mm,adistanceof5mmaccordingtof)in section4.1isappliedtodetermineSARtestexclusion. 6.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093fortheuncontrolled RFExposureandSARExclusionThresholdperKDB447498v06. ------Endofthereport------

ReportNo.:CISRR24062720401 -1- AppendixA ReportNo.: CISRR24062720401 FCCID: 2BHBO-OWS31 ProductName: OpenEarBluetoothHeadsets ModelNo.:OWS31 TestEngineer:LucasHuang Supervisedby:RoryHuang ReportNo.:CISRR24062720401 -2- 1)DutyCycle Left TestResult ModulationPacketsChannel OnTime (ms) Period(ms) DutyCycle (%) DutyCycle (linear) DutyCycle Factor(dB) 1/T GFSKDH5 02.8803.74876.840.76841.14410.35 392.8803.74876.840.76841.14410.35 782.8803.74876.840.76841.14410.35 π/4DQPSK2-DH5 02.8843.74876.950.76951.13790.35 392.8843.74876.950.76951.13790.35 782.8863.74877.000.77001.13510.35 8DPSK3-DH5 02.8883.74877.050.77051.13230.35 392.8883.74877.050.77051.13230.35 782.8863.74877.000.77001.13510.35 TestGraphs GFSK(DH5)_Channel0 ReportNo.:CISRR24062720401 -3- GFSK(DH5)_Channel39 GFSK(DH5)_Channel78 ReportNo.:CISRR24062720401 -4- π/4DQPSK(2-DH5)_Channel0 π/4DQPSK(2-DH5)_Channel39 ReportNo.:CISRR24062720401 -5- π/4DQPSK(2-DH5)_Channel78 8DPSK(3-DH5)_Channel0 ReportNo.:CISRR24062720401 -6- 8DPSK(3-DH5)_Channel39 8DPSK(3-DH5)_Channel78 ReportNo.:CISRR24062720401 -7- Right TestResult ModulationPacketsChannel OnTime (ms) Period(ms) DutyCycle (%) DutyCycle (linear) DutyCycle Factor(dB) 1/T GFSKDH5 02.8783.74876.790.76791.1470.35 392.8803.74876.840.76841.14410.35 782.8783.74876.790.76791.1470.35 π/4DQPSK2-DH5 02.8843.74876.950.76951.13790.35 392.8863.74877.000.77001.13510.35 782.8843.74876.950.76951.13790.35 8DPSK3-DH5 02.8863.74877.000.77001.13510.35 392.8883.74877.050.77051.13230.35 782.8863.74877.000.77001.13510.35 TestGraphs GFSK(DH5)_Channel0 ReportNo.:CISRR24062720401 -8- GFSK(DH5)_Channel39 GFSK(DH5)_Channel78 ReportNo.:CISRR24062720401 -9- π/4DQPSK(2-DH5)_Channel0 π/4DQPSK(2-DH5)_Channel39 ReportNo.:CISRR24062720401 -10- π/4DQPSK(2-DH5)_Channel78 8DPSK(3-DH5)_Channel0 ReportNo.:CISRR24062720401 -11- 8DPSK(3-DH5)_Channel39 8DPSK(3-DH5)_Channel78 ReportNo.:CISRR24062720401 -12- 2)DwellTime Left TestResult ModulationPacketChannel PulseWidth (ms) Numberof Pulsesin31.6 seconds DwellTime (ms) Limit(ms)Result GFSKDH5 CH0 (2402MHz) 2.880101290.88 <400 PASS π/4DQPSK2-DH52.888109314.79PASS 8DPSK3-DH52.888120346.56PASS TestGraphs PulseWidth GFSK_DH5 NumberofPulsesin31.6seconds GFSK_DH5 PulseWidth π/4DQPSK_2-DH5 NumberofPulsesin31.6seconds π/4DQPSK_2-DH5 ReportNo.:CISRR24062720401 -13- PulseWidth 8DPSK_3-DH5 NumberofPulsesin31.6seconds 8DPSK_3-DH5 Right TestResult ModulationPacketChannel PulseWidth (ms) Numberof Pulsesin31.6 seconds DwellTime (ms) Limit(ms)Result GFSKDH5 CH0 (2402MHz) 2.88886248.37 <400 PASS π/4DQPSK2-DH52.888110317.68PASS 8DPSK3-DH52.888124358.11PASS TestGraphs PulseWidth GFSK_DH5 NumberofPulsesin31.6seconds GFSK_DH5 ReportNo.:CISRR24062720401 -14- PulseWidth π/4DQPSK_2-DH5 NumberofPulsesin31.6seconds π/4DQPSK_2-DH5 PulseWidth 8DPSK_3-DH5 NumberofPulsesin31.6seconds 8DPSK_3-DH5 ReportNo.:CISRR24062720401 -15- 3)NumberOfHoppingChannel Left TestResult ModulationPacket NumberofHopping Channel LimitResult GFSKDH57915PASS π/4DQPSK2-DH57915PASS 8DPSK3-DH57915PASS TestGraphs LowEndSpectrumChannelHoppingPlot GFSK HighEndSpectrumChannelHoppingPlot GFSK LowEndSpectrumChannelHoppingPlot π/4DQPSK HighEndSpectrumChannelHoppingPlot π/4DQPSK ReportNo.:CISRR24062720401 -16- LowEndSpectrumChannelHoppingPlot 8DPSK HighEndSpectrumChannelHoppingPlot 8DPSK Right TestResult ModulationPacket NumberofHopping Channel LimitResult GFSKDH57915PASS π/4DQPSK2-DH57915PASS 8DPSK3-DH57915PASS TestGraphs LowEndSpectrumChannelHoppingPlot GFSK HighEndSpectrumChannelHoppingPlot GFSK ReportNo.:CISRR24062720401 -17- LowEndSpectrumChannelHoppingPlot π/4DQPSK HighEndSpectrumChannelHoppingPlot π/4DQPSK LowEndSpectrumChannelHoppingPlot 8DPSK HighEndSpectrumChannelHoppingPlot 8DPSK ReportNo.:CISRR24062720401 -18- 4)ConductedPeakOutputPower Left TestResult ModulationPacketTypeChannel PeakOutput Power (dBm) PeakOutput Power (mW) Limit (dBm) Result GFSKDH5 0-0.250.94 ≤30 PASS 39 0.501.12 PASS 78 1.451.40 PASS π/4DQPSK2-DH5 00.681.17 ≤20.97 PASS 391.381.37PASS 782.261.68PASS 8DPSK3-DH5 01.061.28PASS 39 1.681.47 PASS 78 2.601.82 PASS TestGraphs PeakOutputPower GFSK_Channel0 PeakOutputPower GFSK_Channel39 PeakOutputPower GFSK_Channel78 PeakOutputPower π/4DQPSK_Channel0 ReportNo.:CISRR24062720401 -19- PeakOutputPower π/4DQPSK_Channel39 PeakOutputPower π/4DQPSK_Channel78 PeakOutputPower 8DPSK_Channel0 PeakOutputPower 8DPSK_Channel39 PeakOutputPower 8DPSK_Channel78 ReportNo.:CISRR24062720401 -20- Right TestResult ModulationPacketTypeChannel PeakOutput Power (dBm) PeakOutput Power (mW) Limit (dBm) Result GFSKDH5 00.011.00 ≤30 PASS 390.281.07PASS 781.661.47PASS π/4DQPSK2-DH5 0 0.861.22 ≤20.97 PASS 39 1.051.27 PASS 782.421.75PASS 8DPSK3-DH5 01.271.34PASS 391.551.43PASS 782.851.93PASS TestGraphs PeakOutputPower GFSK_Channel0 PeakOutputPower GFSK_Channel39 PeakOutputPower GFSK_Channel78 PeakOutputPower π/4DQPSK_Channel0 ReportNo.:CISRR24062720401 -21- PeakOutputPower π/4DQPSK_Channel39 PeakOutputPower π/4DQPSK_Channel78 PeakOutputPower 8DPSK_Channel0 PeakOutputPower 8DPSK_Channel39 PeakOutputPower 8DPSK_Channel78 ReportNo.:CISRR24062720401 -22- 5)99%Bandwidth Left TestResult ModulationChannelCenterFrequency(MHz)99%BW(MHz) GFSK 024020.87660 3924410.89900 7824800.91380 π/4DQPSK 024021.1948 3924411.2150 7824801.2188 8DPSK 024021.2076 3924411.2102 7824801.2096 TestGraphs GFSK_DH5_Channel0π/4DQPSK_2-DH5_Channel0 GFSK_DH5_Channel39π/4DQPSK_2-DH5_Channel39 ReportNo.:CISRR24062720401 -23- GFSK_DH5_Channel78π/4DQPSK_2-DH5_Channel78 8DPSK_3-DH5_Channel08DPSK_3-DH5_Channel39 8DPSK_3-DH5_Channel78 ReportNo.:CISRR24062720401 -24- Right TestResult ModulationChannelCenterFrequency(MHz)99%BW(MHz) GFSK 024020.87120 3924410.89560 7824800.90860 π/4DQPSK 024021.1972 3924411.2026 7824801.2030 8DPSK 024021.2048 3924411.2084 7824801.2116 TestGraphs GFSK_DH5_Channel0π/4DQPSK_2-DH5_Channel0 GFSK_DH5_Channel39π/4DQPSK_2-DH5_Channel39 ReportNo.:CISRR24062720401 -25- GFSK_DH5_Channel78π/4DQPSK_2-DH5_Channel78 8DPSK_3-DH5_Channel08DPSK_3-DH5_Channel39 8DPSK_3-DH5_Channel78 ReportNo.:CIS…

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ReportNo.:CISRR24062720401 Page:1of33 TESTREPORT ReportNo.:CISRR24062720401 ProjectNo.CISR240627204 FCCID2BHBO-OWS31 Applicant:ShenzhenXiaoqieElectronicsCo.,LTD Address:Room506,Building,No.B11,ZongtaiDigitalEconomyIndustrialPark,Xixiang Street,Shenzhen,China ManufacturerShenzhenXinyihongElectronicsCo.,LTD Address501,BuildingB,JianyuFirstIndustrialZone,NanchangChuangyeRoad, NanchangCommunity,XixiangStreet,Bao'anDistrict,Shenzhen,China. ProductName:OpenEarBluetoothHeadsets TradeMark:-- Model/Typereference:OWS31 ListedModel(s):BY01,Bearfits01 Standard:Part15SubpartCSection15.247 Testdate:June27,2024~July08,2024 IssuedateJuly09,2024 Testresult:Complied Preparedby:RoryHuangApprovedby:GenryLong Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. ReportNo.:CISRR24062720401 Page:2of33 Contents 1.REPORTVERSION.........................................................................................................................................3 2.SUMMARYOFTESTRESULT.......................................................................................................................4 2.1.ProductDescription....................................................................................................................................5 3.SUMMARY.....................................................................................................................................................5 3.1.RadioSpecificationDescription................................................................................................................5 3.2.ModificationofEUT.....................................................................................................................................6 3.3.TestingSite...................................................................................................................................................6 3.4.FieldStrengthCalculation..........................................................................................................................6 3.5.DISTURBANCECalculation........................................................................................................................6 4.TESTCONFIGURATION.............................................................................................................................7 4.1.Testfrequencylist.......................................................................................................................................7 4.2.Testmode.....................................................................................................................................................7 4.3.Supportunitusedintestconfigurationandsystem...............................................................................8 4.4.Testsampleinformation.............................................................................................................................8 4.5.Testingenvironmentalcondition...............................................................................................................8 4.6.Statementofthemeasurementuncertainty.............................................................................................8 4.7.EquipmentUsedduringtheTest...............................................................................................................9 5.TESTCONDITIONSANDRESULTS.....................................................................................................10 5.1.AntennaRequirement...............................................................................................................................10 5.2.ACConductedEmission...........................................................................................................................11 5.3.PeakOutputPower....................................................................................................................................14 5.4.20dBBandwidth........................................................................................................................................15 5.5.99%OccupiedBandwidth.........................................................................................................................16 5.6.CarrierFrequenciesSeparation...............................................................................................................17 5.7.HoppingChannelNumber........................................................................................................................18 5.8.DwellTime..................................................................................................................................................19 5.9.DutyCycleCorrectionFactor(DCCF).....................................................................................................20 5.10.PseudorandomFrequencyHoppingSequence...................................................................................21 5.11.ConductedBandedgeandSpuriousEmission...................................................................................22 5.12.RadiatedBandedgeEmission...............................................................................................................23 5.13.RadiatedSpuriousEmission..................................................................................................................25 6.TESTSETUPPHOTOS............................................................................................................................33 7.EXTERNALANDINTERNALPHOTOS.................................................................................................33 7.1Externalphotos...........................................................................................................................................33 7.2Internalphotos..........................................................................…

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2.4GHz 1608 Antenna: RANT1608F245C01 _ RANT1608C (A)(B)(E F (C) 245 (D)) ElectricalSpecificatio 01 (F) n DimensionandTerminalConfiguration No.TerminalName 1Feeding/GNG 2GND/Feeding (A)ProductTypeCeramic Antenna (B)SizeCode 1.6x0.8mm( ± 0.1mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=01 WorkingFrequencyRange2400~2500MHz Bandwidth120MHz(Min.) PeakGain2.7dBi(Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280 °C ) TerminationNi/Au(Leadless) Dimension(mm) L 1.60±0.10 W 0.80 ± 0.10 T 0.80 ± 0.10 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. App:Shenzhen Xiaoqie Electronics Co.,LTD Add:Room 506,Building,No.B11, Zongtai Digital Economy Industrial Park,Xixiang Street, Shenzhen, China Model:OWS31 2.4GHz 1608 Chip Antenna: RANT1608F245C01 _ 1 EvaluationBoardReference PCBDimensionAntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss&Radiation ELECTRICALCHARACTERISTICSS11 Radiation ElectricalCharacteristics Freque ncy EfficPercenGain 2400-1.6472.27%2.38 2450-1.3375.34%2.7 2500-1.5972.98%2.59 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz 1608 Chip Antenna: RANT1608F245C01 _ TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 16087”4K/Reel 4.0±0.5 4.0±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTψDP PaperType1608 1.90±0.203.50±0.208.0±0.201.75±0.103.5±0.054.0±0.102.0±0.050.75±0.10 1.50±0.10 4.0±0.1 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. _ 2.4GHz 1608 Chip Antenna: RANT1608F245C01 Reliability Table TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr,thenkeepfor24±1hrsatroomtemp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Cto+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingtime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onelong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"fromanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage.MIL-STD-202 Method204 Mechanical Shock Threeshocksineachdirectionshallbeappliedalongthethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4ft/s Waveform:Half-sine NoVisibleDamage.MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106 Add…

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