2BA79-X6WIRELESS EARBUDS

ShenzhenYolaxAcousticsCo.,Ltd. TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotifytheFCCwithin30daysvia thegrantingTCB. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 5/17/23 U.S.AgentDesignation [ShenzhenYolaxAcousticsCo.,Ltd.]acknowledgestheirconsentforthefollowingcontactlocatedinthe UnitedStatestoactastheiragentforserviceofprocessfortheequipmentforwhichauthorizationis sought(FCCID:[2BA79-X6]): NameandcompanyofU.S.agent:UUXGROUPINC PhysicalU.S.addressofagent:36South18thAvenue,SuiteABrighton,COUSA80601 FRNofU.S.agent:0033701590 EmailaddressofU.S.agent:[email protected] [UUXGROUPINC]acknowledgestheirobligationtoacceptserviceofprocessonbehalfof[Shenzhen YolaxAcousticsCo.,Ltd.] . [ShenzhenYolaxAcousticsCo.,Ltd.]withtheFRN[0033781550]acceptsitsobligationtomaintainan agentforserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,or theconclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingthe equipment,whicheverislater. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(d)(7). Sincerely, Signature [JunLiao] [Manager] [ShenzhenYolaxAcousticsCo.,Ltd.] Signature [JackFu] [Manager] [UUXGROUPINC]

FCC ID: 2BA79-X6

FCCID:2BA79-X6 FCCID:2BA79-X6

FCC ID: 2BA79-X6 antenna

RFExposureevaluation FCCID:2BA79-X6 Accordingto447498D01GeneralRFExposureGuidancev06 The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where: f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Worsecaseisasbelow:[2402MHz,（1.77+1）dBm(1.8923mW)outputpower] (1.8923/5)·[√2.402(GHz)]=0.5866<3.0for1-gSAR ThenSARevaluationisnotrequired

_______________________________________________________________________________________________________ Application: WLAN, 802.11b/g, Bluetooth, etc... Features SMD, high reliability, ultra Impact, Omni-directional... Part number AAN 2012 P (1) (2) (3) (4) 2G45 (5) (1)Product Type Chip Antenna (2)Size Code 2.0x1.2mm (3)Type Code (4)Packing Paper &Reel (5)Frequency 2.45GHz (6)Internal code Electrical Specification Working Frequency Range Peak Gain Impedance 50 Ohm Return loss 10 dB ( Min) Polarization Linear Azimuth Beamwidth Omni-directional Operation Temperature(°C) -40 ~85°C The specification is defined on EVB. Dimension and Terminal Configuration 2.4GHz 2012 Chip Antenna: AAN2012F0P2G45 F0 F0 1.32 dBi (Typ.) 2400 ~2483MHz _______________________________________________________________________________________________________ Evaluation Board Reference PCB Dimension Antenna Layout Reference Unit :mm Unit :mm Electrical Characteristics Return Loss & Radiation Return Loss Frequency (MHz) S11 (dB) 2400 -10.78 2442 -24.81 2484 -10.24 Radiation M 3 M 2 M 1 dB -10.243 GHz2.484000M 3 dB -24.812 GHz2.442000M 2 dB -10.776 GHz2.400000M 1 S11 Cal int Offs Invisible Ref 0 dB Ref 0 dB 10 dB / 10 dB / dB Mag dB Mag S11 S22 Trc3 Trc2 3 GHzStop2 GHzStartCh10 dBm Pwr 1 0 41 31 21 11 1 -9 -19 -29 -39 2.4GHz 2012 Chip Antenna: AAN2012F0P2G45 _______________________________________________________________________________________________________ Taping Specifications Reel and Taping Specification Reel Specification TYPE SIZE A ψB ψC ψD W ψM 2012 7” 5K/Reel 2.0±0.5 13.5±1.0 21±1.0 60±1.0 11.5±2.0 178±2.0 Tapping Specification Packaging Type A B W E F G H T ψD P Paper Type 20121.90±0.20 3.50±0.20 8.0±0.20 1.75±0.10 3.5±0.05 4.0±0.10 2.0±0.05 0.75±0.10 +0.10 1.50 -0 4.0±0.1 2.4GHz 2012 Chip Antenna: AAN2012F0P2G45 _______________________________________________________________________________________________________ Reliability Table Method 106 MIL-STD-202 specification. Fulfill the electrical No Visible Damage. 3. Measurement at 24 ± 2hrs after test condition. 2. Time: 500 ± 24 hours. 1. Humidity: 85% R.H., Temperature: 85 ± 2 °C. Bias Humidity Method 213 MIL-STD-202No Visible Damage. Waveform: Half-sine Velocity change: 15.4 ft/s Duration: 0.5ms Peak value: 1,500g’s mutually perpendicular axes of the test specimen (18 shocks) Three shocks in each direction shall be applied along the three Shock Mechanical Method 204 MIL-STD-202No Visible Damage. Hz. mounted within 2" from any secure point. Test from 10-2000 side and 2 secure points at corners of opposite sides. Parts Note: Use 8"X5" PCB .031" thick 7 secure points on, one long 5g's for 20 min., 12 cycles each of 3 orientationsVibration 4.10 IEC 60384-21/22No Visible Damage. Dipping time: 5 ± 0.5s Solder temperature: 260 ± 5°C. Preheating time: 1~2 min. Preheating temperature: 150 ± 10°C. (RSH) Resistance Soldering Heat 4.10 IEC 60384-21/22 area of bottom side. over 95% of the critical The solder should cover b. Dipping time: 3 ± 0.5s a. Temperature: 235 ± 5°C Dipping method: (SMD Bottom Side) Solderability 108 MIL-STD-202 specification. Fulfill the electrical No Visible Damage. 3. Measurement at 24 ± 2 hours after test. .°C2. Unpowered: 500hours @ T= -30 1. Initial measure: Spec: refer Initial spec. Storage Low Temperature 108 MIL-STD-202 specification. Fulfill the electrical No Visible Damage. 3. Measurement at 24 ± 2 hours after test. .°C2. Unpowered; 500hours @ T=+85 1. Initial measure: Spec: refer Initial spec. Exposure High Temperature JA104 JESD22 specification. Fulfill the electrical No Visible Damage. 3. Measurement at 24 ± 2Hours after test condition. ), Soak Mode=1 (2 Cycle/hours).°C to +85°C2. 100 Cycles (-30 1. Initial measure: Spec: refer Initial spec. Cycling Temperature 107 MIL-STD-202 specification. Fulfill the electrical No Visible Damage. 15 minutes at Upper category temperature. 15 minutes at Lower category temperature; ; 100 cycles;°C to +85°C-30 3. Rapid change of temperature test: 2. Initial measure: Spec: refer Initial spec. / 1 hr , then keep for 24 ± 1 hrs at room temp.°C50 ± 10 1. Preconditioning: Shock Thermal User Spec. specification Fulfill the electrical Characterization Electrical (Reference) Remark Ceramic Type Requirements ProcedureTest Item 2.4GHz 2012 Chip Antenna: AAN2012F0P2G45 _______________________________________________________________________________________________________ Revision History Revision Date Content 1 2015/8/20 New issue 2 2017/4/20 Update detail dimension on antenna layout 3 2018/3/1 Part number and coding rule updated JB100 JESD22 specification. In accordance with dimensions. equipment, capable of determining the actual specimen calipers, gauges, contour projectors, or other measuring Any applicable method using x10 magnification, micrometers, Dimension Physical 006 AEC-Q200 body/terminal junction. device body terminals and mechanical integrity of the for inspection of the greater may be employed Magnification of 20X or No Visible DamageForce of 1.8Kg for 60 seconds.Adhesion 005 No Visible Damage.AEC-Q200 2 mm. 2. Apply the load in direction of the arrow until bending reaches IR-Reflow. PCB Size (L:100 × W:40 × T:1.6mm) 1. Mounting method: (SMD) Flex Board 2.4GHz 2012 Chip Antenna: AAN2012F0P2G45

Page 1 of 65 FCCTESTREPORT FCCID:2BA79-X6 ProductName: WIRELESSEARBUDS ModelName: X6,X1,X5,X9,X10,X11,X12,X13,X15,X16,X18,X28,G40,G42,G16 BrandName: -- ReportNo.:PTC23042404201E-FC01 SampleId:PTC23042404201E-01# Preparedfor ShenzhenYolaxAcousticsCo.,Ltd. 2F,Building5,HebeiIndustrialArea,HualianCommunity,Longhua Street,Longhua,Shenzhen,China Preparedby PreciseTesting&CertificationCo.,Ltd. Building1,No.6TongxinRoad,DongchengStreet,Dongguan,China ReportNo.:PTC23042404201E-FC01 Page 2 of 65 1TESTRESULTCERTIFICATION Applicant’sname:ShenzhenYolaxAcousticsCo.,Ltd. Address:2F,Building5,HebeiIndustrialArea,HualianCommunity,Longhua Street,Longhua,Shenzhen,China Manufacture'sname: ShenzhenYolaxAcousticsCo.,Ltd. Address: 2F,Building5,HebeiIndustrialArea,HualianCommunity,Longhua Street,Longhua,Shenzhen,China Productname: WIRELESSEARBUDS Modelname: X6,X1,X5,X9,X10,X11,X12,X13,X15,X16,X18,X28,G40,G42,G16 Standards : FCCCFR47Part15Section15.247 Testprocedure : ANSIC63.10:2013 TestDate: Apr.22,2023toMay.14,2023 DateofIssue: May.15,2023 TestResult : Pass ThisdevicedescribedabovehasbeentestedbyPTC,andthetestresultsshowthatthe equipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicable onlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofPTC,this documentmaybealteredorrevisedbyPTC,personalonly,andshallbenotedintherevision ofthedocument. TestEngineer: SimonPu/Engineer TechnicalManager: RonnieLiu/Manager ReportNo.:PTC23042404201E-FC01 Page 3 of 65 Contents Page 1TESTRESULTCERTIFICATION................................................................................................................................2 2TESTSUMMARY..........................................................................................................................................................5 3TESTFACILITY.............................................................................................................................................................6 4GENERALINFORMATION..........................................................................................................................................7 4.1GENERALDESCRIPTIONOFE.U.T.....................................................................................................................7 4.2TESTMODE.........................................................................................................................................................8 5EQUIPMENTDURINGTEST....................................................................................................................................12 5.1EQUIPMENTSLIST.............................................................................................................................................12 5.2MEASUREMENTUNCERTAINTY.........................................................................................................................14 5.3DESCRIPTIONOFSUPPORTUNITS...................................................................................................................15 6CONDUCTEDEMISSION..........................................................................................................................................16 6.1E.U.T.OPERATION............................................................................................................................................16 6.2EUTSETUP.......................................................................................................................................................16 6.3TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION).................................................................................17 6.4MEASUREMENTPROCEDURE:...........................................................................................................................17 6.5CONDUCTEDEMISSIONLIMIT...........................................................................................................................17 6.6MEASUREMENTDESCRIPTION..........................................................................................................................17 6.7CONDUCTEDEMISSIONTESTRESULT.............................................................................................................17 7RADIATEDSPURIOUSEMISSIONS......................................................................................................................20 7.1EUTOPERATION...............................................................................................................................................20 7.2TESTSETUP......................................................................................................................................................21 7.3SPECTRUMANALYZERSETUP..........................................................................................................................22 7.4TESTPROCEDURE.............................................................................................................................................23 7.5SUMMARYOFTESTRESULTS...........................................................................................................................24 8CONDUCTEDBANDEDGEEMISSION.................................................................................................................28 8.1REQUIREMENT..............................................................................................................................................28 8.2TESTPROCEDURE.......................................................................................................................................28 8.3TESTRESULTS..............................................................................................................................................29 920DBBANDWIDTHMEASUREMENT..........................................................................................................…

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ReportNo.:PTC23042404201E-FC01 Page 44 of 65 2DH5-Ant1-Low-2402-Peak-2390.000 2DH5-Ant1-Low-2402-AV-2390.000 2DH5-Ant1-High-2480-Peak-2483.500 ReportNo.:PTC23042404201E-FC01 Page 45 of 65 2DH5-Ant1-High-2480-AV-2483.500 DH5-Ant1-Low-Hop_2402-Peak-2390.000 DH5-Ant1-High-Hop_2480-Peak-2483.500 ReportNo.:PTC23042404201E-FC01 Page 46 of 65 2DH5-Ant1-Low-Hop_2402-Peak-2390.000 2DH5-Ant1-High-Hop_2480-Peak-2483.500 ReportNo.:PTC23042404201E-FC01 Page 47 of 65 920dBBandwidthMeasurement TestRequirement:FCCCFR47Part15Section15.247 TestMethod:ANSIC63.10:2013 9.1TestProcedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothespectrum; 2.Setthespectrumanalyzer:RBW=30kHz,VBW=100kHz 3.Setup: 9.2TestResult TestModeAntennaFrequency[MHz] 20db EBW[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant124021.0352401.4752402.510------ DH5Ant124411.0412440.4662441.507------ DH5Ant124801.0412479.4662480.507------ 2DH5Ant124021.3472401.3192402.666------ 2DH5Ant124411.3682440.3012441.669------ 2DH5Ant124801.4042479.2922480.696------ DH5-Ant1-2402 DH5-Ant1-2441 EUT Spectrum Analyzer ReportNo.:PTC23042404201E-FC01 Page 48 of 65 DH5-Ant1-2480 2DH5-Ant1-2402 2DH5-Ant1-2441 ReportNo.:PTC23042404201E-FC01 Page 49 of 65 2DH5-Ant1-2480 OccupiedChannelBandwidth TestModeAntennaFrequency[MHz] OCB[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant124020.931312401.52242402.4537------ DH5Ant124410.955052440.50602441.4610------ DH5Ant124800.955862479.50662480.4624------ 2DH5Ant124021.23432401.37312402.6074------ 2DH5Ant124411.24922440.37392441.6231------ 2DH5Ant124801.22452479.37862480.6031------ DH5-Ant1-2402 ReportNo.:PTC23042404201E-FC01 Page 50 of 65 DH5-Ant1-2441 DH5-Ant1-2480 2DH5-Ant1-2402 ReportNo.:PTC23042404201E-FC01 Page 51 of 65 2DH5-Ant1-2441 2DH5-Ant1-2480 ReportNo.:PTC23042404201E-FC01 Page 52 of 65 10MaximumPeakOutputPower TestRequirement:FCCCFR47Part15Section15.247 TestMethod:ANSIC63.10:2013 TestLimit: Regulation15.247(b)(1),Forfrequencyhoppingsystemsoperatinginthe 2400-2483.5MHzbandeployingatleast75non-overlappinghopping channels,andallfrequencyhoppingsystemsinthe5725-5850MHz band:1watt(30dBm).Forallotherfrequencyhoppingsystemsinthe 2400-2483.5MHzband:0.125watts. Refertotheresult“NumberofHoppingFrequency”ofthisdocument.The 0.125watts(20.97dBm)limitapplies. 10.1TestProcedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothe spectrum. 2.Setthespectrumanalyser:RBW=3MHz.VBW=8MHz.Sweep=auto;DetectorFunction=Peak. 3.KeeptheEUTintransmittingatlowest,mediumandhighestchannelindividually.Recordthemaxvalue. 4.Setup: 10.2TestResult Test Mode AntennaFrequency[MHz] ConductedPeak Powert[dBm] Conducted Limit[dBm] Verdict DH5Ant124021.17≤20.97PASS DH5Ant124410.62≤20.97PASS DH5Ant12480-0.42≤20.97PASS 2DH5Ant124021.77≤20.97PASS 2DH5Ant124411.1≤20.97PASS 2DH5Ant124800.06≤20.97PASS DH5-Ant1-2402 EUT Spectrum Analyzer ReportNo.:PTC23042404201E-FC01 Page 53 of 65 DH5-Ant1-2441 DH5-Ant1-2480 2DH5-Ant1-2402 ReportNo.:PTC23042404201E-FC01 Page 54 of 65 2DH5-Ant1-2441 2DH5-Ant1-2480 ReportNo.:PTC23042404201E-FC01 Page 55 of 65 11HoppingChannelSeparation TestRequirement:FCCCFR47Part15Section15.247 TestMethod:ANSIC63.10:2013 TestLimit:Regulation15.247(a)(1)Frequencyhoppingsystemsshallhave hoppingchannelcarrierfrequenciesseparatedbyaminimumof25 kHzorthe20dBbandwidthofthehoppingchannel,whicheveris greater.Alternatively,frequencyhoppingsystemsoperatinginthe 2400-2483.5MHzbandmayhavehoppingchannelcarrierfrequencies thatareseparatedby25kHzortwo-thirdsofthe20dBbandwidthof thehoppingchannel,whicheverisgreater,providedthesystems operatewithanoutputpowernogreaterthan1W. TestMode:Hopping 11.1TestProcedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothe spectrum. 2.Setthespectrumanalyzer:RBW=30KHz.VBW=100KHz,Span=2.0MHz.Sweep=auto;Detector Function=Peak.Trace=Maxhold. 3.Allowthetracetostabilize.Usethemarker-deltafunctiontodeterminetheseparationbetweenthe peaksoftheadjacentchannels.ThelimitisspecifiedinoneofthesubparagraphsofthisSection Submitthisplot. 4.Setup: EUT Spectrum Analyzer ReportNo.:PTC23042404201E-FC01 Page 56 of 65 11.2TestResult TestModeAntennaFrequency[MHz]Result[MHz]Limit[MHz]Verdict DH5Ant1Hop1.01≥0.694PASS 2DH5Ant1Hop1.002≥0.936PASS DH5-Ant1-Hop 2DH5-Ant1-Hop ReportNo.:PTC23042404201E-FC01 Page 57 of 65 12NumberofHoppingFrequency TestRequirement:FCCCFR47Part15Section15.247 TestMethod:ANSIC63.10:2013 TestLimit:Regulation15.247(a)(1)(iii)Frequencyhoppingsystemsinthe2400- 2483.5MHzbandshalluseatleast15channels. TestMode:Hopping(GFSK) 12.1TestProcedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothe spectrum. 2.Setthespectrumanalyzer:RBW=100KHz.VBW=300KHz.Sweep=auto;DetectorFunction=Peak. Trace=Maxhold. 3.Allowthetracetostabilize.Itmayprovenecessarytobreakthespanuptosections.inordertoclearly showallofthehoppingfrequencies.ThelimitisspecifiedinoneofthesubparagraphsofthisSection. 4.Setthespectrumanalyzer:StartFrequency=2.4GHz,StopFrequency=2.483GHz.Sweep=auto; 5.Setup: 12.2TestResult TestModeAntennaFrequency[MHz]Result[Num]Limit[Num]Verdict DH5Ant1Hop79≥15PASS 2DH5Ant1Hop79≥15PASS DH5-Ant1-Hop EUT Spectrum Analyzer ReportNo.:PTC23042404201E-FC01 Page 58 of 65 2DH5-Ant1-Hop ReportNo.:PTC23042404201E-FC01 Page 59 of 65 13DwellTime TestRequirement:FCCCFR47Part15Section15.247 TestMethod:ANSIC63.10:2013 TestLimit:Regulation15.247(a)(1)(iii)Frequencyhoppingsystemsinthe2400- 2483.5MHzbandshalluseatleast15channels.Theaveragetimeof occupancyonanychannelshallnotbegreaterthan0.4secondswithin aperiodof0.4secondsmultipliedbythenumberofhoppingchannels employed. TestMode:Theworstcase(π/4-DQPSK)wasrecorded 13.1TestProcedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothe spectrum. 2.Setspectrumanalyzerspan=0.Centredonahoppingchannel; 3.SetRBW=1MHzandVBW=3MHz.Sweep=asnecessarytocapturetheentiredwelltimeperhopping channel.SettheEUTforDH5,DH3andDH1packettransmitting. 4.Usethemarker-deltafunctiontodeterminethedwelltime.Ifthisvaluevariesw…

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FCC ID: 2BA79-X6 Conduction Emissions Radiated Spurious Emissions Test Frequency From 30MHz-1000MHz Test Frequency above 1G