2BS6O-OLN900Hera Leto Clip

Earclip(s) Audio Connecting and Pairing: (First Time Use) Charge both the earclips and the charging case before first use. Turn on Wireless Connection on the mobile device, and select “HLC-XXXX”. (XXXX = Device ID). Simply remove either earclip from the charging case and place it in ear. The earclip will automatically power on once removed from the case Once powered on, a voice prompt indicating “Power On” is displayed. Successful pairing is indicated by a voice prompt - “Audio Connected”, and also by the display of “HLC-XXXX” connected to the device. When the battery is below 10%, "Battery Low " will be announced. Note: The device needs to connect Bluetooth of the smart phone to enable health sensing features 1. 2. 3. 4. 5. 6. Health Sensing Connection: Media Control: Single Press: Play Pause Double Press: Next Track Triple Press: Previous Track Call Control: Single Press: Answer / End Select the device name “BLE-XXXX-L” or “BLE- XXXX-R” in the app based on the earclip in use. “XXXX” represents the Unique Device ID. Once successfully connected in the app, vital- sign data recording will begin automatically. Please refer to the APP manual for the software specifications. Earbud Operation Instruction X X X X 1. 2. Ensure that the sensor area of the earclip maintains full contact with the skin behind the ear for optimal performance. Wearing the Device: 1. Charging Case Operation Instruction (Charging) Plug in the USB-C connector to charge the device. White LED flashes during charging. The LED Light will of when it is fully charged Red indicate below 20% while white is above 1. 2. 3. Reset Button 1. 2. (Reset) Pressing the Setup Button 2 times will reset the earbuds Holding the Reset Button for 5 seconds will allow the earclips to enter pairing mode. 4. LED Light Control button (Present on each side） Sensor Module Microphone Speaker Charging Pin Description of Parts: Items in the Box: 1 x pair (L/R) TWS Earclips (with Charging Case) 1 x USB-C Charging Cable 1 x User Manual Techical Specifications: Earclips (Model No.: OLN900) Battery Life: Up to 5 hours for Audio Playback Up to 8 hours of sole health monitoring Battery Capacity: 65 mAh/each Charging Time: 2.5 hours Charging Case (Model No.: OLN900_CC1) Battery Capacity: 500 mAh USB-C Port Operating Distance 10 meters (outdoor without blockage 360°） Wireless Connection Microphone Sensitivity: 94 ±1 dB @ 1kHz Speaker Sensitivity: 110 ±3 dB @ 1kHz Charging Time: 2.5 hours LED Light LED Light XXXX Unique Device ID Actywell Digital Limited www.heraleto.com Model: OLN900 FCC ID: 2BS6O-OLN900 Hera Leto Clip (HLC) User Manual 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. 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: Note: The Grantee is not responsible for any changes or modifications not expressly approved by the party responsible for compliance. such modifications could void the user's authority to operate the equipment. The device has been evaluated to meet general RF exposure requirement. This equipment complies with FCC's RF radiation exposure limits set forth for an uncontrolled environment. This device and its antenna(s) must not be co-located or conjunction with any other antenna or transmitter. —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. FCC Warning

HeraLetoLimited Address：Unit212,2/F,No.1ScienceParkEastAvenue,HongKongSciencePark,Shatin, N.T.,HongKong Date:2025-12-22 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2BS6O-OLN900 FRN:0037658309 (“HeraLetoLimited”)certifiesthat,asofthedateofthefilingoftheapplication,GOLDEN VICTORYINTERNATIONALTRADINGCOLTDisourdesignatedU.S.agentforserviceof processfortheabovereferencedFCCID.(“HeraLetoLimited”)acceptstomaintainanagent fornolessthanoneyearafterthegranteehasterminatedallmarketingandimportationorthe conclusionofanyCommission-relatedproceedinginvolvingtheequipment. GOLDENVICTORYINTERNATIONALTRADINGCOLTDaccepts,asofthedateofthefiling oftheapplication,theobligationofthedesignatedU.S.agentforserviceofprocessforthe abovereferencedFCCID. DesignatedU.S.AgentInformation: Name:GOLDENVICTORYINTERNATIONALTRADINGCOLTD Address:11016THSTREETSUITE1400DENVER,CO80202UnitedStates FRN：0036377570 ContactPerson:LeonHowar Tel.:(337)255-0461 Email:[email protected] Sincerely, Signedonbehalfof（HeraLetoLimited） SignedonbehalfofGOLDENVICTORY INTERNATIONALTRADINGCOLTD Name:RyanChanName:LeonHowar Title:ProjectManagerTitle:Manager Date:2025-12-22Date:2025-12-22

Rev1/26/2023 (HeraLetoLimited) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:12-19-2025 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BS6O-OLN900 (“HeraLetoLimited”)certifiesthattheequipmentforwhichauthorizationissoughtisnot“covered” equipmentprohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules. (“HeraLetoLimited”)certifiesthattheequipmentforwhichauthorizationissoughtdoesnotinclude cybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc.oranyofitssuccessors andassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofitssuccessorsand assignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446D01Covered EquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature): (Applicantprintedname):RyanChan Rev1/26/2023 (HeraLetoLimited) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:12-19-2025 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BS6O-OLN900 (“HeraLetoLimited”)certifiesthat,asofthedateofthefilingoftheapplication,HeraLetoLimitedisnot identifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiariesoraffiliates)asan entityproducing“covered”equipment. Sincerely, (Applicantsignature): (Applicantprintedname):RyanChan

RAIN 电话：1353057660 Shenzhen Yongcheng International Technology Co., LTD 6 第1页 天线规格书 Antennaspecificationforapproval 客户名称 Customername 机型 Model 天线频段 Antennaband 2.4GHZ 天线类型 Antennatype 天线材质 Antenna materia 016-L/R-V1.0-FPC-ANT l FPC FPC颜色 FPCcolor 料号 Material numbe black r 厂商承认签章 Barenacceptedthesignature 客户承认签章 Clientacknowledgessignature 结构 structure 采购 Purchase 品质 QC 结构 structure 射频 radiofrequency 工程 engineering 审核 Toexamine 品质 QC 盖章区 Sealare 日期 date a 盖章区 Sealare 日期 date a 016-L/R-V1.0-FPC-ANT RAIN 电话：1353057660 Shenzhen Yongcheng International Technology Co., LTD 6 第2页 目录 一:Device support & can test antenna types.......1 二:summariz.........................................2 三:Match circuit diagram & machine picture & anten na picture.......................................3 四:Antenna Standing Wave Ratio & Antenna Efficiency (VSWR)............................................ 4 五:3D pattern .......................................5 六:Structural drawing...............................6 RAIN Shenzhen Yongcheng International Technology Co., LTD 第3 13530576606 页 一:Device support & can test antenna types RAIN Shenzhen Yongcheng International Technology Co., LTD 第4 13530576606 页 (1)Antennaperformanc 二:summarize e Descriptio 1.ThisapprovalsheetsupportsforMIDproject.FPCantennasincludeinthisproject.Thisreport isfortheperformanceofBTantenna. 2.Antennashapesize：MeettherequirementofMID 3.Antennaband：2400MHz~2500MHz 4.Antennamaterial：AntennamaterialmeettherequirementofMID 5.Adhesiveperformance：AdhesiveperformancemeettherequirementofMID 6.Antennaperformancemeetthespecbelow： n2.4GHZ~2.5GHzUnits VSWR ≤2.0 AverageAntennaGain 2.69 AntennaEfficienc dBi y≥40 FeedImpedance50ohms OperatingTemperature-40to+85degC Polarization/AzimuthLinear/Omni-directional (2)MechanicalInformation MechanicalDimension CableLengthNA DescriptionBTantenna MaterialFPC CoaxialCableNA Environmental OperationTemperature-40to+85degC StorageTemperature-40to+85degC RAIN 第5 Shenzhen Yongcheng International Technology Co., LTD 13530576606 页 三:Match circuit diagram & machine picture & antenna picture (2) Machine picture & antenna picture 1: gold plating; 3: Surface black matte ink; 4: Meet the latest environmental requirements: RoHS&REACH; 5: The whole board shipment; RAIN Shenzhen Yongcheng International Technology Co., LTD 第6 13530576606 页 Frequency(MHz 四:Antenna Standing Wave Ratio & Antenna Efficiency (VSWR) )VSWR 24001.29 24401.02 24801.38 RAIN 电话：1353057660 Shenzhen Yongcheng International Technology Co., LTD 6 第7页 五:3Dpattern RAIN 电话：1353057660 Shenzhen Yongcheng International Technology Co., LTD 6 第8页 六:Structural drawing

HeraLetoLimited Date:December19,2025 ProductModelNumber:OLN900 FCCID:2BS6O-OLN900 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:ProjectManager Email:[email protected] Telephone:+85235719877 Onbehalfof:HeraLetoLimited

HeraLetoLimited OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:December19,2025 Subject;RequestforConfidentiality FCCID:2BS6O-OLN900 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:RyanChan Title:ProjectManager

FCCID:2BS6O-OLN900 EUTPHOTOSExternalPhotos FCCID:2BS6O-OLN900 FCCID:2BS6O-OLN900 FCCID:2BS6O-OLN900 ※※※※※ENDOFREPORT※※※※※

FCC 标签和标签位置图(Label and Label location) 96 mm 104mm 38 mm

FCCID:2BS6O-OLN900 EUTPHOTOSInternalPhotos FCCID:2BS6O-OLN900 FCCID:2BS6O-OLN900 FCCID:2BS6O-OLN900 FCCID:2BS6O-OLN900 FCCID:2BS6O-OLN900 FCCID:2BS6O-OLN900 ※※※※※ENDOFREPORT※※※※※ ANT

FCCID:2BS6O-OLN900 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,BT,BLE Mode Max Power (dBm) Tune-up power (dBm) Max Power (mW) Frequency(MHz) Min. Distance (mm) Calc. thresholds limit BT0.090±11.26244050.3943.0 BLE-1.62-1±11244050.3123.0 SoaSARtestisnotrequired

ProjectNo.:ZHT-251126121W02-1 Page 1 of 163 FCCTESTREPORT FCCID:2BS6O-OLN900 ReportNo........................:ZHT-251126121W02-1 Product............................:HeraLetoClip Trademark.......................:HeraLeto Model(s)...........................:OLN900 ModelDifference..............:/ Applicant..........................:HeraLetoLimited Address............................:Unit212,2/F,No.1ScienceParkEastAvenue,HongKongSciencePark, Shatin,N.T.,HongKong Manufacturer....................:HeraLetoLimited Address............................:Unit212,2/F,No.1ScienceParkEastAvenue,HongKongSciencePark, Shatin,N.T.,HongKong Preparedby.....................:GuangdongZhonghanTestingTechnologyCo.,Ltd. Address............................:Room104/201,Building1,YibaolaiIndustrialPark,Qiaotou,Fuhai Subdistrict,Bao'anDistrict,Shenzhen,Guangdong,China DateofReceipt................:Nov.26,2025 DateofTest(s).................:Nov.26,2025toDec.4,2025 DateofIssue....................:Dec.4,2025 TestStandard(s)..............:FCCCFRTitle47Part15SubpartCSection15.247 Testprocedure................:ANSIC63.10-2020 Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. Preparedby:Reviewedby:Approvedby: KimiLu/EngineerBaretWu/DirectorLeviLee/Manager Note:Theresultsshowninthistestreportreferonlytothesample(s)testedunlessotherwisestated.Thistest reportshallnotbereproducedexceptinfull,withoutpriorwrittenapprovalofZHT.Thisdocumentmaybe alteredorrevisedbyZHT,personnelonly,andshallbenotedintherevisionofthedocument. ProjectNo.:ZHT-251126121W02-1 Page 2 of 163 TableofContents Page 1.TESTSUMMARY........................................................................................................................4 2.GENERALINFORMATION.........................................................................................................5 2.1GENERALDESCRIPTIONOFEUT.........................................................................................5 2.2TestSetupConfiguration...........................................................................................................7 2.3SupportEquipment....................................................................................................................7 2.4TestMode..................................................................................................................................7 3.TESTFACILITYANDTESTINSTRUMENTUSED...................................................................8 3.1TESTFACILITY.........................................................................................................................8 3.2EQUIPMENTSLISTFORALLTESTITEMS...........................................................................8 3.3Testingsoftware........................................................................................................................9 3.4MEASUREMENTUNCERTAINTY..........................................................................................10 4.EMCEMISSIONTEST..............................................................................................................11 4.1Conductedemissions..............................................................................................................11 4.1.1POWERLINECONDUCTEDEMISSIONLimits.................................................................11 4.1.2TESTPROCEDURE............................................................................................................11 4.1.3DEVIATIONFROMTESTSTANDARD...............................................................................11 4.1.4TESTSETUP........................................................................................................................12 4.1.5EUTOPERATINGCONDITIONS........................................................................................12 4.1.6TestResult............................................................................................................................12 4.2Radiatedemissions.................................................................................................................13 4.2.1RadiatedEmissionLimits.....................................................................................................13 4.2.2TESTPROCEDURE............................................................................................................13 4.2.3DEVIATIONFROMTESTSTANDARD...............................................................................14 4.2.4TESTSETUP........................................................................................................................14 4.2.5EUTOPERATINGCONDITIONS........................................................................................15 4.2.6TESTRESULTS...................................................................................................................16 5.RADIATEDBANDEMISSIONMEASUREMENT....................................................................32 5.1TestRequirement....................................................................................................................32 5.2TESTPROCEDURE...............................................................................................................32 5.3DEVIATIONFROMTESTSTANDARD..................................................................................33 5.4TESTSETUP...........................................................................................................................33 5.5EUTOPERATINGCONDITIONS...........................................................................................33 5.6TESTRESULT........................................................................................................................34 6.CONDUCTEDBANDEDGEANDSPURIOUSEMISSION.....................................................38 6.1Limit..............................................................................................................................…

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ProjectNo.:ZHT-251126121W02-1 Page 92 of 163 -20dBBandwidthNVNT2-DH52441MHzAnt1 -20dBBandwidthNVNT2-DH52480MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 93 of 163 -20dBBandwidthNVNT3-DH52402MHzAnt1 -20dBBandwidthNVNT3-DH52441MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 94 of 163 -20dBBandwidthNVNT3-DH52480MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 95 of 163 TestGraphs OBWNVNT1-DH52402MHzAnt1 OBWNVNT1-DH52441MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 96 of 163 OBWNVNT1-DH52480MHzAnt1 OBWNVNT2-DH52402MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 97 of 163 OBWNVNT2-DH52441MHzAnt1 OBWNVNT2-DH52480MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 98 of 163 OBWNVNT3-DH52402MHzAnt1 OBWNVNT3-DH52441MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 99 of 163 OBWNVNT3-DH52480MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 100 of 163 Rightearphone ModeTestchannel 20dBEmission Bandwidth(MHz) 99%Bandwidth (MHz) Result GFSK Lowest1.0310.941 PassMiddle1.0320.942 Highest1.0420.956 π/4DQPSK Lowest1.3181.208 PassMiddle1.3161.239 Highest1.3471.234 8DPSK Lowest1.3041.231 PassMiddle1.2971.227 Highest1.2951.216 ProjectNo.:ZHT-251126121W02-1 Page 101 of 163 TestGraphs -20dBBandwidthNVNT1-DH52402MHzAnt1 -20dBBandwidthNVNT1-DH52441MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 102 of 163 -20dBBandwidthNVNT1-DH52480MHzAnt1 -20dBBandwidthNVNT2-DH52402MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 103 of 163 -20dBBandwidthNVNT2-DH52441MHzAnt1 -20dBBandwidthNVNT2-DH52480MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 104 of 163 -20dBBandwidthNVNT3-DH52402MHzAnt1 -20dBBandwidthNVNT3-DH52441MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 105 of 163 -20dBBandwidthNVNT3-DH52480MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 106 of 163 TestGraphs OBWNVNT1-DH52402MHzAnt1 OBWNVNT1-DH52441MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 107 of 163 OBWNVNT1-DH52480MHzAnt1 OBWNVNT2-DH52402MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 108 of 163 OBWNVNT2-DH52441MHzAnt1 OBWNVNT2-DH52480MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 109 of 163 OBWNVNT3-DH52402MHzAnt1 OBWNVNT3-DH52441MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 110 of 163 OBWNVNT3-DH52480MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 111 of 163 8.MaximumPeakOutputPower TestRequirement:FCCPart15CSection15.247(b)(1) TestMethod:ANSIC63.10-2020 8.1BlockDiagramOfTestSetup 8.2Limit Forfrequencyhoppingsystemsoperatinginthe2400-2483.5MHzbandemployingatleast75 non-overlappinghoppingchannels,andallfrequencyhoppingsystemsinthe5725-5850MHzband:1watt. Forallotherfrequencyhoppingsystemsinthe2400-2483.5MHzband:0.125watts. ForFHSsoperatingintheband2400-2483.5MHz,themaximumpeakconductedoutputpowershallnot exceed1.0Wifthehopsetuses75ormorehoppingchannels;themaximumpeakconductedoutputpower shallnotexceed0.125Wifthehopsetuseslessthan75hoppingchannels.Thee.i.r.p.shallnotexceed4W. 8.3Testprocedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothespectrum. 2.Setthespectrumanalyzer:RBW=2MHz.VBW=6MHz.Sweep=auto;DetectorFunction=Peak. 3.KeeptheEUTintransmittingatlowest,mediumandhighestchannelindividually.Recordthemaxvalue. 8.4DEVIATIONFROMSTANDARD Nodeviation. 8.5TestResult Leftearphone ModeTestchannel PeakOutputPower (dBm) PeakOutput PowerLimit (dBm) Result GFSK Lowest-1.19 21.00PassMiddle-1.13 Highest-1.27 π/4DQPSK Lowest-0.46 21.00 PassMiddle-0.38 Highest-0.53 8DPSK Lowest-0.11 21.00 PassMiddle0.05 Highest-0.07 ProjectNo.:ZHT-251126121W02-1 Page 112 of 163 TestGraphs PeakPowerNVNT1-DH52402MHzAnt1 PeakPowerNVNT1-DH52441MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 113 of 163 PeakPowerNVNT1-DH52480MHzAnt1 PeakPowerNVNT2-DH52402MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 114 of 163 PeakPowerNVNT2-DH52441MHzAnt1 PeakPowerNVNT2-DH52480MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 115 of 163 PeakPowerNVNT3-DH52402MHzAnt1 PeakPowerNVNT3-DH52441MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 116 of 163 PeakPowerNVNT3-DH52480MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 117 of 163 Rightearphone ModeTestchannel PeakOutputPower (dBm) PeakOutput PowerLimit (dBm) Result GFSK Lowest-1.25 21.00PassMiddle-1.14 Highest-1.27 π/4DQPSK Lowest-0.42 21.00 PassMiddle-0.28 Highest-0.43 8DPSK Lowest-0.06 21.00 PassMiddle0.09 Highest-0.03 ProjectNo.:ZHT-251126121W02-1 Page 118 of 163 TestGraphs PeakPowerNVNT1-DH52402MHzAnt1 PeakPowerNVNT1-DH52441MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 119 of 163 PeakPowerNVNT1-DH52480MHzAnt1 PeakPowerNVNT2-DH52402MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 120 of 163 PeakPowerNVNT2-DH52441MHzAnt1 PeakPowerNVNT2-DH52480MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 121 of 163 PeakPowerNVNT3-DH52402MHzAnt1 PeakPowerNVNT3-DH52441MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 122 of 163 PeakPowerNVNT3-DH52480MHzAnt1 ProjectNo.:ZHT-251126121W02-1 Page 123 of 163 9.HOPPINGCHANNELSEPARATION TestRequirement:FCCPart15CSection15.247(a)(1) TestMethod:ANSIC63.10-2020 Limit: GFSK,π/4-DQPSK&8DSK:0.025MHzor2/3ofthe20dBbandwidth (whicheverisgreater) 9.1TestSetup 9.2Testprocedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaport tothespectrum. 2.Setthespectrumanalyzer:RBW=300kHz.VBW=300kHzforGFSK,RBW=100kHz.VBW=100kHzfor π/4-DQPSK&8DSK,Span=auto.Sweep=auto;DetectorFunction=Peak.Trace=Maxhold. 3.Allowthetracetostabilize.Usethemarker-deltafunctiontodeterminetheseparationbetweenthepeaksof theadjacentchannels.ThelimitisspecifiedinoneofthesubparagraphsofthisSectionSubmitthisplot. 9.3DEVIATIONFROMSTANDARD Nodeviation. 9.4TestResult Leftearphone ConditionModeAntennaHoppingFreq1(MHz)HoppingFreq2(MHz)HFS(MHz)Limit(MHz)Verdict NVNT1-DH5Ant12401.9022403.1221.220.683Pass NVNT1-DH5Ant12440.9382441.9521.0140.687Pass NVNT1-DH5Ant12478.9162479.9120.9960.697Pass NVNT2-DH5Ant12402.16722403.17081.00360.875Pass NVNT2-DH5Ant12441.04242442.03040.9880.879Pass NVNT2-DH5Ant12478.852480.17341.32340.89Pass NVNT3-DH5Ant12401.95142402.96281.01140.854Pass NVNT3-DH5Ant12440.93582441.91080.9750.858Pass NVNT3-DH5Ant12478.99042479.86140.8710.854Pass ProjectNo.:ZHT-251126121W02-1 Page 124 of 163 TestGraphs CFSNVNT1-DH52402MHzAnt1 CFSNVNT1-DH52441MHzAnt1 ProjectNo.:ZHT-…

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ProjectNo.:ZHT-251126121W02-1 Page 157 of 163 DwellNVNT2-DH32441MHzAnt1OneBurst DwellNVNT2-DH32441MHzAnt1Accumulated ProjectNo.:ZHT-251126121W02-1 Page 158 of 163 DwellNVNT2-DH52441MHzAnt1OneBurst DwellNVNT2-DH52441MHzAnt1Accumulated ProjectNo.:ZHT-251126121W02-1 Page 159 of 163 DwellNVNT3-DH12441MHzAnt1OneBurst DwellNVNT3-DH12441MHzAnt1Accumulated ProjectNo.:ZHT-251126121W02-1 Page 160 of 163 DwellNVNT3-DH32441MHzAnt1OneBurst DwellNVNT3-DH32441MHzAnt1Accumulated ProjectNo.:ZHT-251126121W02-1 Page 161 of 163 DwellNVNT3-DH52441MHzAnt1OneBurst DwellNVNT3-DH52441MHzAnt1Accumulated ProjectNo.:ZHT-251126121W02-1 Page 162 of 163 12.AntennaRequirement Standardrequirement: FCCPart15CSection15.203/247(b)(4) 15.203requirement: Anintentionalradiatorshallbedesignedtoensurethatnoantennaotherthanthatfurnishedbythe responsiblepartyshallbeusedwiththedevice.Theuseofapermanentlyattachedantennaorofan antennathatusesauniquecouplingtotheintentionalradiator,themanufacturermaydesigntheunitsothata brokenantennacanbereplacedbytheuser,buttheuseofastandardantennajackorelectricalconnectoris prohibited. 15.247(b)(4)requirement: Theconductedoutputpowerlimitspecifiedinparagraph(b)ofthissectionisbasedontheuseofantennas withdirectionalgainsthatdonotexceed6dBi.Exceptasshowninparagraph(c)ofthissection,iftransmitting antennasofdirectionalgaingreaterthan6dBiareused,theconductedoutputpowerfromtheintentional radiatorshallbereducedbelowthestatedvaluesinparagraphs(b)(1),(b)(2),and(b)(3)ofthissection,as appropriate,bytheamountindBthatthedirectionalgainoftheantennaexceeds6dBi. EUTAntenna: TheantennaisFPCantenna,thebestcasegainoftheantennasis2.69dBi,referencetotheappendixIIfor details. ProjectNo.:ZHT-251126121W02-1 Page 163 of 163 13.TestSetupPhoto ReferencetotheappendixIfordetails. 14.EUTConstructionalDetails ReferencetotheappendixIIfordetails. ※※※※※ENDOFREPORT※※※※※

FCCID:2BS6O-OLN900 EUTTESTPHOTOS Leftearphone Leftearphone FCCID:2BS6O-OLN900 Rightearphone Rightearphone ※※※※※ENDOFREPORT※※※※※