2AXCY-T7Wireless Headphone

Website:www.cblueasia.com Tel:+86-755-23059481 Email:[email protected] ThetestreportiseffectiveonlywithbothsignatureandspecializedstampandTheresult(s)showninthisreportreferonlytothesample(s)tested.Without writtenapprovalofBlueAsia,thisreportcan ’ tbereproducedexceptinfull.Theresultsdescribedinthisreportdonotrepresentthequalityorcharacteristicsofthe sampledbatch,nordotheyrepresentanysimilaroridenticalproductsthatarenotexplicitlystated. TestReport Applicant:DongguanDeshengIndustrialCo.,Ltd Address: AreaA5,ShichongIndustrialPark,ShipaiTown, DongguanCity,China ProductName:WirelessHeadphone BrandMark:N/A Model:T7 Seriesmodel:HG10 FCCID:2AXCY-T7 ReportNumber:BLA-EMC-202607-A15-03 DateofReceipt:July.3,2026 DateofTest:July.3,2026toSep.8,2026 TestStandard:47CFRPart15,SubpartC15.247 TestResult:Pass Compiledby:Reviewby:Approvedby: IssuedDate:Sep.8,2026 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Address: No.41,SouthofBeihuanRoad,ShangwuCommunity,ShiyanSubdistrict,Bao ’ anDistrict,Shenzhen,Guangdong,China ReportNo.:BLA-EMC-202607-A15-03 Page 2 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 TableofContents 1Generalinformation................................................................................................................................................5 1.1Generalinformation..........................................................................................................................................5 1.2GeneraldescriptionofEUT..............................................................................................................................5 2Testsummary..........................................................................................................................................................6 3TestConfiguration..................................................................................................................................................7 3.1Testmode.........................................................................................................................................................7 3.2OperationFrequencyeachofchannel.............................................................................................................8 3.3Testchannel.....................................................................................................................................................8 3.4Auxiliaryequipment..........................................................................................................................................8 3.5Testenvironment..............................................................................................................................................8 4Laboratoryinformation........................................................................................................................................10 4.1Laboratoryandaccreditations........................................................................................................................10 4.2Measurementuncertainty...............................................................................................................................11 5Testequipment......................................................................................................................................................12 6Testresult..............................................................................................................................................................14 6.1Antennarequirement......................................................................................................................................14 6.2ConductedemissionsatACpowerline(150kHz-30MHz)...........................................................................15 6.3ConductedpeakoutputPower.......................................................................................................................19 6.4Minimum6dBbandwidth................................................................................................................................21 6.5Powerspectrumdensity.................................................................................................................................23 6.6ConductedBandEdgesMeasurement..........................................................................................................25 6.7Conductedspuriousemissions......................................................................................................................27 6.8Radiatedspuriousemissions.........................................................................................................................29 6.9Radiatedemissionswhichfallintherestrictedbands...................................................................................41 7AppendixA............................................................................................................................................................48 7.1DutyCycle......................................................................................................................................................48 7.2MaximumConductedOutputPower..............................................................................................................52 7.3-6dBBandwidth..............................................................................................................................................56 7.4OccupiedChannelBandwidth........................................................................................................................60 7.5MaximumPowerSpectralDensityLevel.......................................................................................................64 ReportNo.:BLA-EMC-202607-A15-03 Page 3 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:marketing@cblu…

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ProductName:WirelessHeadphone ConductedemissionsatACpowerline(150kHz-30MHz) RadiatedEmissions(30MHz-1GHz) RadiatedEmissions(above1GHz)

ReportNo.:BLA-EMC-202607-A15-03 Page 66 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 PSDNVNTBLE1M2480MHzAnt1 PSDNVNTBLE2M2404MHzAnt1 ReportNo.:BLA-EMC-202607-A15-03 Page 67 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 PSDNVNTBLE2M2442MHzAnt1 PSDNVNTBLE2M2478MHzAnt1 ReportNo.:BLA-EMC-202607-A15-03 Page 68 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 7.6BandEdge ConditionModeFrequency(MHz)AntennaMaxValue(dBc)Limit(dBc)Verdict NVNTBLE1M2402Ant1-52.29-20Pass NVNTBLE1M2480Ant1-51.7-20Pass NVNTBLE2M2404Ant1-49.08-20Pass NVNTBLE2M2478Ant1-51.47-20Pass ReportNo.:BLA-EMC-202607-A15-03 Page 69 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 BandEdgeNVNTBLE1M2402MHzAnt1Ref BandEdgeNVNTBLE1M2402MHzAnt1Emission ReportNo.:BLA-EMC-202607-A15-03 Page 70 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 BandEdgeNVNTBLE1M2480MHzAnt1Ref BandEdgeNVNTBLE1M2480MHzAnt1Emission ReportNo.:BLA-EMC-202607-A15-03 Page 71 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 BandEdgeNVNTBLE2M2404MHzAnt1Ref BandEdgeNVNTBLE2M2404MHzAnt1Emission ReportNo.:BLA-EMC-202607-A15-03 Page 72 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 BandEdgeNVNTBLE2M2478MHzAnt1Ref BandEdgeNVNTBLE2M2478MHzAnt1Emission ReportNo.:BLA-EMC-202607-A15-03 Page 73 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 7.7ConductedRFSpuriousEmission ConditionModeFrequency(MHz)AntennaMaxValue(dBc)Limit(dBc)Verdict NVNTBLE1M2402Ant1-41.48-20Pass NVNTBLE1M2442Ant1-42.19-20Pass NVNTBLE1M2480Ant1-41.51-20Pass NVNTBLE2M2404Ant1-41.62-20Pass NVNTBLE2M2442Ant1-38.61-20Pass NVNTBLE2M2478Ant1-39.48-20Pass ReportNo.:BLA-EMC-202607-A15-03 Page 74 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 Tx.SpuriousNVNTBLE1M2402MHzAnt1Ref Tx.SpuriousNVNTBLE1M2402MHzAnt1Emission ReportNo.:BLA-EMC-202607-A15-03 Page 75 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 Tx.SpuriousNVNTBLE1M2442MHzAnt1Ref Tx.SpuriousNVNTBLE1M2442MHzAnt1Emission ReportNo.:BLA-EMC-202607-A15-03 Page 76 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 Tx.SpuriousNVNTBLE1M2480MHzAnt1Ref Tx.SpuriousNVNTBLE1M2480MHzAnt1Emission ReportNo.:BLA-EMC-202607-A15-03 Page 77 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 Tx.SpuriousNVNTBLE2M2404MHzAnt1Ref Tx.SpuriousNVNTBLE2M2404MHzAnt1Emission ReportNo.:BLA-EMC-202607-A15-03 Page 78 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 Tx.SpuriousNVNTBLE2M2442MHzAnt1Ref Tx.SpuriousNVNTBLE2M2442MHzAnt1Emission ReportNo.:BLA-EMC-202607-A15-03 Page 79 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 Tx.SpuriousNVNTBLE2M2478MHzAnt1Ref Tx.SpuriousNVNTBLE2M2478MHzAnt1Emission ReportNo.:BLA-EMC-202607-A15-03 Page 80 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 AppendixB:photographsoftestsetup ConductedemissionsatACpowerline(150kHz-30MHz) RadiatedEmissions(30MHz-1GHz) ReportNo.:BLA-EMC-202607-A15-03 Page 81 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 RadiatedEmissions(above1GHz) ReportNo.:BLA-EMC-202607-A15-03 Page 82 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 AppendixC:photographsofEUT Referencetothetestreportno.BLA-EMC-202607-A15-01 ----ENDOFREPORT---- Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,theresult(s)showninthisreportrefer onlytothesample(s)tested.WithoutwrittenapprovalofBlueAsia,thisreportcan’tbereproducedexceptinfull.

ReportNo.:BLA-EMC-202607-A15-03 Page 41 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 Vertical: 6.9Radiatedemissionswhichfallintherestrictedbands TestStandard47CFRPart15,SubpartC15.247(d) TestMethod ANSI C63.10-2020+Cor.1-2023+C63.10a-2024+ErratatoC63.10a-2024 Clause6.3,6.5,6.6,11.12.1 TestMode(Pre-Scan)TX TestMode(FinalTest)TX ReportNo.:BLA-EMC-202607-A15-03 Page 42 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 6.9.1Limit Frequency(MHz) Field strength(microvolts/meter) Measurement distance(meters) 0.009-0.4902400/F(kHz)300 0.490-1.70524000/F(kHz)30 1.705-30.03030 30-881003 88-2161503 216-9602003 Above9605003 Remark:TheemissionlimitsshownintheabovetablearebasedonmeasurementsemployingaCISPR quasi-peakdetectorexceptforthefrequencybands9-90kHz,110-490kHzandabove1000MHz.Radiated emissionlimitsinthesethreebandsarebasedonmeasurementsemployinganaveragedetector,thepeakfield strengthofanyemissionshallnotexceedthemaximumpermittedaveragelimitsspecifiedabovebymorethan20 dBunderanyconditionofmodulation. 6.9.2Testsetup Above1GHz： 6.9.3Procedure a)Forabove1GHz,theEUTwasplacedonthetopofarotatingtable1.5metersabovethegroundat a3meterfully-anechoicchamber.Thetablewasrotated360degreestodeterminethepositionof thehighestradiation. b)TheEUTwasset3or10metersawayfromtheinterference-receivingantenna,whichwasmounted onthetopofavariable-heightantennatower. c)Theantennaheightisvariedfromonemetertofourmetersabovethegroundtodeterminethe ReportNo.:BLA-EMC-202607-A15-03 Page 43 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 maximumvalueofthefieldstrength.Bothhorizontalandverticalpolarizationsoftheantennaare settomakethemeasurement. d)Foreachsuspectedemission,theEUTwasarrangedtoitsworstcaseandthentheantennawas tunedtoheightsfrom1meterto4meters(forthetestfrequencyofbelow30MHz,theantennawas tunedtoheights1meter)andtherotatabletablewasturnedfrom0degreesto360degreestofind themaximumreading. e)Thetest-receiversystemwassettoPeakDetectFunctionandSpecifiedBandwidthwithMaximum HoldMode. f)IftheemissionleveloftheEUTinpeakmodewas10dBlowerthanthelimitspecified,thentesting couldbestoppedandthepeakvaluesoftheEUTwouldbereported.Otherwisetheemissionsthat didnothave10dBmarginwouldbere-testedonebyoneusingpeak,quasi-peakoraverage methodasspecifiedandthenreportedinadatasheet. g)TesttheEUTinthelowestchannel,themiddlechannel,thehighestchannel. h)TheradiationmeasurementsareperformedinX,Y,ZaxispositioningforTransmittingmode,and foundtheXaxispositioningwhichitistheworstcase. i)Repeataboveproceduresuntilallfrequenciesmeasuredwascomplete. Note1:Level(dBuV)=Reading(dBuV)+Factor(dB/m) Note2:Forfrequenciesabove1GHz,thefieldstrengthlimitsarebasedonaveragelimits.However,thepeakfield strengthofanyemissionshallnotexceedthemaximumpermittedaveragelimitsspecifiedabovebymorethan20 dBunderanyconditionofmodulation.Fortheemissionswhosepeaklevelislowerthantheaveragelimit,only thepeakmeasurementisshowninthereport. ReportNo.:BLA-EMC-202607-A15-03 Page 44 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 6.9.4Testdata Remark:Duringthetest,pre-scantheBLE1M/BLE2Mmode,andfoundtheBLE1Mmodewhichitisworsecase. [Testmode:TXlowchannel];[Polarity:Horizontal] TestResult:Pass ReportNo.:BLA-EMC-202607-A15-03 Page 45 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 [Testmode:TXlowchannel];[Polarity:Vertical] TestResult:Pass ReportNo.:BLA-EMC-202607-A15-03 Page 46 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 [Testmode:TXHighchannel];[Polarity:Horizontal] TestResult:Pass ReportNo.:BLA-EMC-202607-A15-03 Page 47 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 [Testmode:TXHighchannel];[Polarity:Vertical] TestResult:Pass ReportNo.:BLA-EMC-202607-A15-03 Page 48 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 7AppendixA 7.1DutyCycle ConditionModeFrequency(MHz)AntennaDutyCycle(%)CorrectionFactor(dB) NVNTBLE1M2402Ant185.590.68 NVNTBLE1M2442Ant185.60.68 NVNTBLE1M2480Ant1860.65 NVNTBLE2M2404Ant187.20.59 NVNTBLE2M2442Ant187.20.59 NVNTBLE2M2478Ant187.20.59 ReportNo.:BLA-EMC-202607-A15-03 Page 49 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 DutyCycleNVNTBLE1M2402MHzAnt1 DutyCycleNVNTBLE1M2442MHzAnt1 ReportNo.:BLA-EMC-202607-A15-03 Page 50 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 DutyCycleNVNTBLE1M2480MHzAnt1 DutyCycleNVNTBLE2M2404MHzAnt1 ReportNo.:BLA-EMC-202607-A15-03 Page 51 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 DutyCycleNVNTBLE2M2442MHzAnt1 DutyCycleNVNTBLE2M2478MHzAnt1 ReportNo.:BLA-EMC-202607-A15-03 Page 52 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 7.2MaximumConductedOutputPower ConditionModeFrequency (MHz) AntennaConductedPower (dBm) Limit (dBm) Verdict NVNTBLE1M2402Ant1-0.18430Pass NVNTBLE1M2442Ant10.40830Pass NVNTBLE1M2480Ant1-0.48330Pass NVNTBLE2M2404Ant1-0.14830Pass NVNTBLE2M2442Ant10.37530Pass NVNTBLE2M2478Ant1-0.43230Pass ReportNo.:BLA-EMC-202607-A15-03 Page 53 of 82 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected] Version:v1.3 PowerNVNTBLE1M2402MHzAnt1 PowerNVNTBLE1M2442MHzAnt1 ReportNo.:BLA-EMC-202607-A15-03 …

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Website:www.cblueasia.com Tel:+86-755-23059481 Email:[email protected] ThetestreportiseffectiveonlywithbothsignatureandspecializedstampandTheresult(s)showninthisreportreferonlytothesample(s)tested.Without writtenapprovalofBlueAsia,thisreportcan ’ tbereproducedexceptinfull.Theresultsdescribedinthisreportdonotrepresentthequalityorcharacteristicsofthe sampledbatch,nordotheyrepresentanysimilaroridenticalproductsthatarenotexplicitlystated. RFExposure Applicant:DongguanDeshengIndustrialCo.,Ltd Address: AreaA5,ShichongIndustrialPark,ShipaiTown, DongguanCity,China ProductName:WirelessHeadphone BrandMark:N/A Model:T7 Seriesmodel:HG10 FCCID:2AXCY-T7 ReportNumber:BLA-EMC-202607-A15-04 DateofReceipt:July.3,2026 DateofTest:July.3,2026toSep.8,2026 TestStandard: 47CFRPart15,Part1.1307 47CFRPart15,Part2.1093 KDB447498D04GeneralRFExposureGuidancev01 TestResult:Pass Compiledby:Reviewby:Approvedby: IssuedDate:Sep.8,2026 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Address: No.41,SouthofBeihuanRoad,ShangwuCommunity,Shiyan Subdistrict,Bao'anDistrict,Shenzhen,Guangdong,China ReportNo.:BLA-EMC-202607-A15-04 Page 2 of 9 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected] Version:v1.1 TableofContents 1Generalinformation................................................................................................................................................4 1.1Generalinformation..........................................................................................................................................4 1.2GeneraldescriptionofEUT..............................................................................................................................4 2Laboratoryandaccreditations..............................................................................................................................6 3RFExposureComplianceRequirement...............................................................................................................7 3.1StandardRequirement.....................................................................................................................................7 3.2Limits................................................................................................................................................................7 3.3Result...............................................................................................................................................................8 ReportNo.:BLA-EMC-202607-A15-04 Page 3 of 9 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected] Version:v1.1 ReviseRecord VersionNo.DateDescription 01Aug.10,2026Original ReportNo.:BLA-EMC-202607-A15-04 Page 4 of 9 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected] Version:v1.1 1Generalinformation 1.1Generalinformation ApplicantDongguanDeshengIndustrialCo.,Ltd AddressAreaA5,ShichongIndustrialPark,ShipaiTown,DongguanCity,China ManufacturerDongguanDeshengIndustrialCo.,Ltd AddressAreaA5,ShichongIndustrialPark,ShipaiTown,DongguanCity,China FactoryDongguanDeshengIndustrialCo.,Ltd AddressAreaA5,ShichongIndustrialPark,ShipaiTown,DongguanCity,China 1.2GeneraldescriptionofEUT ProductnameWirelessHeadphone Modelno.T7 SeriesmodelHG10 DescofSeriesmodel TheabovemodelshavethesameCircuitdiagram,PCBlayoutandall electricalconstruction.Thedifferenceliesonlymodelnameandcolor. PowersupplyDC3.7Vbybattery HardwareVersionN/A SoftwareVersionN/A ReportNo.:BLA-EMC-202607-A15-04 Page 5 of 9 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected] Version:v1.1 BT OperationFrequency:2402MHz-2480MHz ModulationType:GFSK,pi/4DQPSK,8DPSK ChannelSpacing:1MHz NumberofChannels:79 AntennaType:FPCantenna AntennaGain:1.02dBi(Providedbycustomer) BLE OperationFrequency:2402MHz-2480MHz ModulationType:GFSK Ratedata:1Mbps;2Mbps ChannelSpacing:2MHz NumberofChannels:40 AntennaType:FPCantenna AntennaGain:1.02dBi(Providedbycustomer) 2.4G OperationFrequency:2402MHz-2480MHz Channelnumbers:40 ModulationType:GFSK Ratedata:1Mbps;2Mbps AntennaType:FPCantenna AntennaGain:1.86dBi(Providedbycustomer) Max.FieldStrength:90.00dBμV/m@3m ReportNo.:BLA-EMC-202607-A15-04 Page 6 of 9 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected] Version:v1.1 2Laboratoryandaccreditations Thetestfacilityisrecognized,certified,oraccreditedbythefollowingorganizations: Companyname: BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Address: No.41,SouthofBeihuanRoad,ShangwuCommunity,ShiyanSubdistrict,Bao’an District,Shenzhen,Guangdong,China CNASaccreditedNo.:L9788 A2LACert.No.:5071.01 FCCDesignationNo.:CN1252 ISEDCABidentifierNo.:CN0028 Telephone:+86-755-28682673 FAX:+86-755-28682673 ReportNo.:BLA-EMC-202607-A15-04 Page 7 of 9 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected] Version:v1.1 3RFExposureComplianceRequirement 3.1StandardRequirement Accordingto447498D04InterimGeneralRFExposureGuidancev01 StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-gheador bodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,bymeasurement ornumericalsimulation,isnotrequiredwhenthecorrespondingSARExclusionThreshold condition,listedbelow,issatisfied. 3.2Limits ReportNo.:BLA-EMC-202607-A15-04 Page 8 of 9 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected] Version:v1.1 3.3Result EIRP=ptxgt=(EXd) 2 /30 Where: pt=transmitteroutputpowerinwatts, gt=numericgainofthetransmittingantenna(unitless), E=electricfieldstrengthinV/m, d=measurementdistanceinmeters(m) Spot=(EXd) 2 /30xgt Separationdistance=0.5cm Antgain=1.02dBi ForBT(Worst): MaxOutputpower=0.123dBm@2441MHz8DPSK EIRP=0.123dBm+1.02d…

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ProductName:WirelessHeadphone

logoSize:16.61*5.49mm

ProductName:WirelessHeadphone

DongguanDeshengIndustrialCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:August20,2026 Subject;RequestforConfidentiality FCCID: 2AXCY-T7 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:Jiabing,Tang Title:Manager

DongguanDeshengIndustrialCo.,Ltd Date：2026/8/20 ProductModelNumber: FCCID:2AXCY-T7 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By:Jiabing,Tang ContactListedonFCCWesbite Title:Manager Email:[email protected] Telephone:13433605668 Onbehalfof:DongguanDeshengIndustrialCo.,Ltd

Modeldifferenceletter ProductName:WirelessHeadphone ModeNo:T7 SerialModel:HG10 TheabovemodelshavethesameCircuitdiagram,PCBlayoutandallelectrical construction.Thedifferenceliesonlymodelnameandcolor. <Signature> Name:LiLin Company.:DongguànDeshengIndustrialCo.,Ltd. Date:2026/8/27

Rev1/26/2023 DongguanDeshengIndustrialCo.,Ltd FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:August20,2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID: 2AXCY-T7 [ DongguanDeshengIndustrialCo.,Ltd ](“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. [DongguanDeshengIndustrialCo.,Ltd](“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24- 886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature) (Applicantprintedname)Jiabing,Tang Rev1/26/2023 DongguanDeshengIndustrialCo.,Ltd FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:August20,2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID: 2AXCY-T7 [DongguanDeshengIndustrialCo.,Ltd](“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityorany ofitssubsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname)Jiabing,Tang