2A7JV-ACT2525Wireless earbuds

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. Le dispositif a été évalué pour répondre aux exigences générales en matière d'exposition aux ondes radio. Il peut être utilisé dans des conditions d'exposition portables sans aucune restriction.

User Manual: Package:

ReportNo.:SHATBL2603014 Page 1 of 2 AppendixF_TestSetup Radiatedspuriousemissiontestphotos Below1GHz Above1GHz ReportNo.:SHATBL2603014 Page 2 of 2 Conductedtestphotos ※※※※※END※※※※※

Page 1 of 27 ReportNo.:SHATBL2603014W01 AppendixAofdata A1.MaximumPeakConductedOutputPower TestResult Leftearheadphones ModulationPacketTypeChannel PeakOutput Power (dBm) PeakOutput Power (mW) Limit (dBm) Result GFSKDH5 0-0.430.91 ≤21 PASS 39-1.200.76PASS 78-2.250.60PASS π/4DQPSK2-DH5 0-3.070.49PASS 39-4.020.40PASS 78-5.220.30PASS 8DPSK3-DH5 0-2.990.50PASS 39-3.940.40PASS 78-5.130.31PASS Rightearheadphones ModulationPacketTypeChannel PeakOutput Power (dBm) PeakOutput Power (mW) Limit (dBm) Result GFSKDH5 0-0.460.90 ≤21 PASS 39-1.280.74PASS 78-2.310.59PASS π/4DQPSK2-DH5 0-3.150.48PASS 39-4.520.35PASS 78-5.380.29PASS 8DPSK3-DH5 0-3.540.44PASS 39-3.990.40PASS 78-5.350.29PASS Page 2 of 27 ReportNo.:SHATBL2603014W01 A2.NumberofHoppingFrequencies TestResult ModulationPacket Numberof HoppingChannel LimitResult GFSKDH57915PASS π/4DQPSK2-DH57915PASS 8DPSK3-DH57915PASS TestGraphs LowEndSpectrumChannelHoppingPlot GFSK HighEndSpectrumChannelHoppingPlot GFSK LowEndSpectrumChannelHoppingPlot π/4DQPSK HighEndSpectrumChannelHoppingPlot π/4DQPSK LowEndSpectrumChannelHoppingPlot 8DPSK HighEndSpectrumChannelHoppingPlot 8DPSK Page 3 of 27 ReportNo.:SHATBL2603014W01 A3.DutyCycleandDwellTime DutyCycle TestResult TestGraphs GFSK(DH5)_Channel0GFSK(DH5)_Channel39 GFSK(DH5)_Channel78π/4DQPSK(2-DH5)_Channel0 ModulationPacketsChannel OnTime (ms) Period (ms) Duty Cycle(%) Duty Cycle (linear) Duty Cycle Factor (dB) GFSKDH5 02.8943.74877.210.77211.1233 392.8943.74877.210.77211.1233 782.8963.74877.270.77271.1199 π/4DQPSK2-DH5 02.9023.74877.430.77431.1109 392.9003.74877.370.77371.1143 782.9023.74877.430.77431.1109 8DPSK3-DH5 02.9023.74877.430.77431.1109 392.9003.74877.370.77371.1143 782.9023.74877.430.77431.1109 Page 4 of 27 ReportNo.:SHATBL2603014W01 π/4DQPSK(2-DH5)_Channel39π/4DQPSK(2-DH5)_Channel78 8DPSK(3-DH5)_Channel08DPSK(3-DH5)_Channel39 8DPSK(3-DH5)_Channel78 Page 5 of 27 ReportNo.:SHATBL2603014W01 DwellTime TestResult ModulationPacketChannel Pulse Width (ms) Number ofPulses in31.6 seconds Dwell Time (ms) Limit (ms) Result GFSKDH502.89696278.02 <400 PASS π/4DQPSK2-DH502.89698283.81PASS 8DPSK3-DH502.896104301.18PASS Note:Dwelltime=Pulsetime(ms)*NumberofPulsesin31.6seconds TestGraphs PulseWidth GFSK_DH5 NumberofPulsesin31.6seconds GFSK_DH5 PulseWidth π/4DQPSK_2-DH5 NumberofPulsesin31.6seconds π/4DQPSK_2-DH5 PulseWidthNumberofPulsesin31.6seconds Page 6 of 27 ReportNo.:SHATBL2603014W01 8DPSK_3-DH58DPSK_3-DH5 Page 7 of 27 ReportNo.:SHATBL2603014W01 A4.20dBBandwidth TestResult ModulationChannel CenterFrequency (MHz) 20dBBandwidth (MHz) GFSK 02402MHz1.040 392441MHz0.9754 782480MHz0.9782 π/4DQPSK 02402MHz1.275 392441MHz1.277 782480MHz1.275 8DPSK 02402MHz1.248 392441MHz1.249 782480MHz1.279 TestGraphs GFSK_DH5_Channel0GFSK_DH5_Channel39 GFSK_DH5_Channel78π/4DQPSK_2-DH5_Channel0 Page 8 of 27 ReportNo.:SHATBL2603014W01 π/4DQPSK_2-DH5_Channel39π/4DQPSK_2-DH5_Channel78 8DPSK_3-DH5_Channel08DPSK_3-DH5_Channel39 8DPSK_3-DH5_Channel78 Page 9 of 27 ReportNo.:SHATBL2603014W01 A5.CarrierFrequenciesSeparation TestResult ModulationChannel LeftCenter frequency (MHz) Right Center frequency (MHz) Hopping Frequency Separation (MHz) MinimumLimit (MHz) Result GFSK392440.07622440.98230.90610.650PASS π/4DQPSK392440.02822441.16771.13950.851PASS 8DPSK392440.02822441.08251.05430.832PASS TestGraphs GFSKπ/4DQPSK 8DPSK Page 10 of 27 ReportNo.:SHATBL2603014W01 A6.ConductedSpurious&BandEdgeEmission Non-Hopping ModulationPacketChannel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) OverLimit (dB) Result GFSKDH5 0 48.10-43.146-20.77-22.376PASS 2381.90-47.763-20.77-26.993PASS 2400.00-48.245-20.77-27.475PASS 3948.10-43.412-21.56-21.852PASS 78 48.10-43.427-22.63-20.797PASS 2483.50-53.466-22.63-30.836PASS π/4DQPSK 2-DH5 0 48.10-42.634-23.59-19.044PASS 2381.80-49.036-23.59-25.446PASS 2400.00-53.078-23.59-29.488PASS 391926.47-40.928-24.57-16.358PASS 78 48.10-43.227-25.66-17.567PASS 2483.50-55.308-25.66-29.648PASS 8DPSK3-DH5 0 48.10-42.550-23.43-19.120PASS 2390.30-49.661-23.43-26.231PASS 2400.00-51.942-23.43-28.512PASS 3948.10-43.550-24.39-19.160PASS 78 48.10-42.676-25.56-17.116PASS 2483.50-56.083-25.56-30.523PASS Note:inputcompensationcoeffcient(dB)=CableLoss(dB) Hopping ModulationPacketChannel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) Over Limit (dB) Result GFSKDH5 Hopping 2384.84-47.811-21.06-26.751PASS 2400.00-48.593-21.06-27.533PASS 2483.50-49.961-22.33-27.631PASS π/4DQPSK2-DH5 2385.89-49.726-24.57-25.156PASS 2400.00-52.283-24.57-27.713PASS 8DPSK3-DH5 2483.50-54.350-25.63-28.720PASS 2392.40-49.402-23.86-25.542PASS Note:inputcompensationcoeffcient(dB)=CableLoss(dB) Page 11 of 27 ReportNo.:SHATBL2603014W01 TestGraphs Non-Hopping In-BandReferenceLevel GFSK_DH5_Channel0 In-BandReferenceLevel π/4DQPSK_2-DH5_Channel0 OutOfBandEmission GFSK_DH5_Channel0 OutOfBandEmission π/4DQPSK_2-DH5_Channel0 30.0MHz-25000.0MHz GFSK_DH5_Channel0 30.0MHz-25000.0MHz π/4DQPSK_2-DH5_Channel0 Page 12 of 27 ReportNo.:SHATBL2603014W01 In-BandReferenceLevel GFSK_DH5_Channel39 In-BandReferenceLevel π/4DQPSK_2-DH5_Channel39 30.0MHz-25000.0MHz GFSK_DH5_Channel39 30.0MHz-25000.0MHz π/4DQPSK_2-DH5_Channel39 In-BandReferenceLevel GFSK_DH5_Channel78 In-BandReferenceLevel π/4DQPSK_2-DH5_Channel78 Page 13 of 27 ReportNo.:SHATBL2603014W01 OutOfBandEmission GFSK_DH5_Channel78 OutOfBandEmission π/4DQPSK_2-DH5_Channel78 30.0MHz-25000.0MHz GFSK_DH5_Channel78 30.0MHz-25000.0MHz π/4DQPSK_2-DH5_Channel78 In-BandReferenceLevel 8DPSK_3-DH5_Channel0 OutOfBandEmission 8DPSK_3-DH5_Channel0 30.0MHz-25000.0MHz 8DPSK_3-DH5_Channel0 In-BandReferenceLevel 8DPSK_3-DH5_Channel39 Page 14 of 27 ReportNo.:SHATBL2603014W01 30.0MHz-25000.0MHz 8DPSK_3-DH5_Channel39 In-BandReferenceLevel 8DPSK_3-DH5_Channel78 OutOfBandEmission 8DPSK_3-DH5_Channel78 30.0MHz-25000.0MHz 8DPSK_3-DH5_Channel78 Hopping OutOfBandEmission(Left) GFSK_DH5_ChannelHopping OutOfBandEmission(Left) π/4DQPSK_2-DH5_ChannelHopping Page 15 of 27 ReportNo.:SHATBL2603014W01 OutOfBandEmission(Right) GFSK_DH5_Channe…

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-1- 产品技术规格书 SPECIFICATION TEL：0086-573-8365181 SHENZHENHEIXUNTECHNOLOGYCO.LTD. 56 1004Address: Room 1004, Building 1, Jinhanyu Building, No. 56 Tiezai Road, Gongle Community, Xixiang Street, Bao'an District, Shenzhen 8FAX：0086-573-83651858 拟制 Preparedby ：审核 Checkedby ：批准 Approvedby ： 送样日期FormedOn产品版本DocumentVersion (V2.1) 产品型号PARTNOHLX201212506A08 客户料号CUSTOMER PARTNO： 客户确认CUSTOMERAPPROVEDBY： 确认日期APPROVEDDATE： -2- 目录 Table of contents 1.概述Introduction..................................................................4 2.型号Part Number...............................................................4 3.外形尺寸及焊盘尺寸Dimension.................................4～5 4.测试电路和匹配电路Evaluation Board and Matching Circuits.........5 5.电气性能Electrical Characteristics..........................................6 6.特性曲线Characteristic curve..........................................6 7.方向图Radiation Pattern................................................7～8 8.可靠性试验Dependability Test..........................................9～10 9.回流焊温度Reflow Soldering Standard Condition........................10 10.包装尺寸Packaging and Dimensions....................................11 -4- 1.概述INTRODUCTION 微波多层陶瓷天线 LA 系列产品设计用于 WLAN 、 WiFi 、蓝牙、 PHS ，手机 多频 天线 , FM 等小体积 SMD 片式设计。 Microwave Multi-Layer Ceramic Antenna LA series are designed to be used in WLAN 、 WiFi 、 Bluetooth 、 PHS 、 Multiple-band Mobile phone antenna, FM, etc and compact size SMD chip design. Dimensions（Unit：mm2.外型尺寸及焊盘尺寸） NumberTerminalName ①INPUT ②GND SymbolsLWTa Dimensions2.0+/-0.21.25+/-0.20.6+/-0.10.6+/-0.1 (TopView) (BottomView) (SideView) ① ② L W a T -5- Unit:mm 11 4.测试板和匹配电路EvaluationBoardandMatchingCircuits 6.5nH 0.5pF 50ΩFeeding Line PI Type Matching Networks SolderResist Land Through-hole(Φ0.30) 0.6 0.8 0.1 1.25 2.1 2.7 0.65 0.4 0.3 0.7 -6- 5.电气性能ElectricalCharacteristics No. Item（项目）Specifications（特性） 5.1 WorkingCentralFrequency中心工作频率 (Aftermatching) 2450MHz 5.2BandWidth通带宽度65MHztyp. 5.3PeakGain峰值增益 5. 2.7 dBi 4V.S.W.R(inBW)驻波比≤2.0 5.5 Polarization极化方式 Linear线性 5.6 AzimuthBeamwidth方位角 Omni-directional全向 5.7 Impedance阻抗 50Ω 6.特性曲线Characteristiccurve -7- 7 方向图 RadiationPattern X-ZPlane Y-ZPlane -8- X-YPlane Frequency (MHz) Efficiency (%) PeckGain (dBi) Avg.Gain (dBi) 240052.510.34-3.02 241059.500.92-2.50 242067.511.58-1.94 243072.341.98-1.62 244077.512.18-1.32 245080.89-1.12.74 246080.922.16-1.16 247078.731.99-1.27 248075.111.84-1.47 249071.931.75-1.66 250066.551.43-2.00 -9- 8可靠性试验DependabilityTest 基准条件：温度范围Temperaturerange25±5°C 相对湿度范围RelativeHumidityrange55~75%RH 工作温度OperatingTemperaturerange-40°C~+85°C 贮藏温度StorageTemperaturerange-40°C~+85°C 8.1耐振动 VibrationResist 在振动频率为10~55Hz振幅为1.5mm沿X.Y.Z方向各振动2小时后测试需符合电气性能指标。 Thedeviceshouldfulfilltheelectricalspecificationafterappliedtothevibrationof10to55Hzwith amplitudeof1.5mmfor2hourseachinX,YandZdirections. 8.2耐跌落冲击 DropShock 在100cm高度处按X，Y，Z三个面分别自由跌落在木制地板上共3次后，要求无机械损伤。 Thedeviceshouldhavenomechanicaldamageafterdroppingontothehardwoodenboardfromthe heightof100cmfor3timeseachfacetofthe3dimensionsofthedevice. 8.3耐焊接热SolderHeatProof 能承受经120~150°C的温度预热120秒后，在255°C+10°C的焊锡浸5±0.5秒，或300°C-10°C的 电烙铁焊接3±0.5秒，焊接面无损伤。 Thedeviceshouldbesatisfiedafterpreheatingat120°C~150°Cfor120secondsanddippingin solderingSnat255°C+10°Cfor5±0.5seconds，orelectriciron300°C-10°Cfor3±0.5seconds， withoutdamnify. 8.4推力试验AdhesiveStrengthofTermination 在产品电极端子上或表面上可承受5N(≦0603)；10N(>0603)水平推力10±1秒而无明显外观损坏 与电极移位 。 Thedevicehavenoremarkabledamageorremovaloftheterminationafterhorizontalforceof 5N(≦0603)；10N(>0603)with10±1seconds. 8.5耐弯曲试验BendingResistTest 将产品按图焊在1.6±0.2mm的PCB板中间，由箭头方向施 力：1mm/S，弯曲距离：1.0mm，保持5±1S，产品金属层无脱落。 WeldtheproducttothecenterpartofthePCBwiththethickness 1.6±0.2mmastheillustrationshows,andkeepexertingforce arrow-wardonitatspeedof:1mm/S,andholdfor5±1Satthe positionof1.5mmbendingdistance,sofar,anypeelingoffofthe productmetalcoatingshouldnotbedetected. 8.6耐湿热特性 MoistureProof 在温度为60±2°C，相对湿度90~95%的恒温湿箱中放置96小时，在常温中恢复1~2小时 后测试，测试需符合电气性能指标。 -10- Thedeviceshouldfulfilltheelectricalspecificationafterexposedtothetemperature60±2°Candthe relativehumidity90~95%RHfor96hoursand1~2hoursrecoverytimeundernormalcondition. 8.7高温特性 HighTemperatureEndurance 在温度为85±5°C的恒温箱中放置96±2小时，在常温中恢复1~2小时后测试。测试需符 合电气性能指标。 Thedeviceshouldfulfilltheelectricalspecificationafterexposedtotemperature85±5°Cfor96±2 hoursand1~2hoursrecoverytimeundernormaltemperature. 8.8低温特性 LowTemperatureEndurance 在温度为-40°C±5°C低温箱中放置96±2小时后恢复1~2小时，测试需符合电气性能指标。 Thedeviceshouldfulfilltheelectricalspecificationafterexposedtothetemperature-40°C±5°Cfor 96±2hoursandto2hoursrecoverytimeundernormaltemperature. 8.9温度循环 TemperatureCycleTest 在-40°C温度中保持30分钟，再在+85°C温度中保持30分钟，共循环5次后在常温中恢复1~2 小时后测试需符合电气性能指标。 Thedeviceshouldfulfilltheelectricalspecificationafterexposedtothelowtemperature-40°Cand hightemperature+85°Cfor30±2mineachby5cyclesand1to2hoursrecoverytimeundernormal temperature. 9回流焊温度ReflowSolderingStandardCondition -11- 10包装尺寸(2012)PackagingandDimensions 10.1PlasticTape 包装说明：RemarksforPackage 载带尾部空穴长度150～200mm，载带头部空穴长度250～300mm，头部的盖带加长250mm。 Reservealengthof150~200mmforthetrailerofthecarrierand250~300mmfortheleaderofthe carrierandfurther250mmofcovertapeattheleadingpartofthecarrier. 10.2Reel（4000pcs/Reel） 10.3储存条件StoragePeriod 产品收到后一年内使用完毕. Productshouldbeusedwithintwelvemonthsofreceipt. 湿敏等级1/储存温度与湿度: MSL1/StorageTemperatureRange-40°C~+85°C,Humidity:<85%RH

"ShanghaiATBLTechnologyCo.,Ltd."herebycertifiesthataccordingtoactualtestingconditions.Thetestresultsorobservationsareprovidedin accordancewithmeasuredvalue,withouttakingriskscausedbyuncertaintyintoaccount.Withoutexplicitstipulationinspecialagreements,standards,or regulations,ATBLshallnotassumeanyresponsibility.Thetestresultsorobservationsareapplicableonlytotestedsample.Clientshallberesponsiblefor representativenessofthesampleandauthenticityofthematerial.Thisreportwillbevoidwithoutauthorizedsignatureorspecialsealfortestingreport.Do notcopiedwithoutauthorization. Tel:+86(0)21-51298625Web:www.atbl-lab.comEmail:[email protected] TESTREPORT Applicant: ShenzhenJiutongZhichuangTechnologyCo.,Ltd. ProductName: Wirelessearbuds BrandName: N/A ModelName: AOCACT2525 SeriesModel: AOCACT3525,AOCACD4511,Aero10,Aero20,Aero30, Aero40,Aero50,Aero60,Aero70,Aero80,Aero90, Aura100,Aura200,Aura300,Aura400,Aura500,Aura600, Aura700,Aura800,Aura900 FCCID: 2A7JV-ACT2525 TestStandard: FCCCFRTitle47Part15SubpartCSection15.247 DateofSampleArrival: Mar.10,2026 DateofTest: Apr.01,2026~Apr.14,2026 IssueDate: Apr.14,2026 ReportNo.:SHATBL2603014W01 ReportPreparedby: ( Emily ) ReportApprovedby: (GuozhengLi) AuthorizedSignatory: (TerryYang) ReportNo.:SHATBL2603014W01 SHATBL-W-117/A0Page 2 of 32 TABLEOFCONTENTS REVISIONHISTORY.............................................................................................................................................................................3 DECLARATIONOFREPORT............................................................................................................................................................4 SUMMARYOFTESTRESULT.........................................................................................................................................................5 1.GENERALDESCRIPTION.............................................................................................................................................................6 1.1.Applicant....................................................................................................................................................................................6 1.2.Manufacturer...........................................................................................................................................................................6 1.3.Factory.......................................................................................................................................................................................6 1.4.GeneralInformationofEUT..............................................................................................................................................7 1.5.EquipmentSpecification.....................................................................................................................................................8 1.6.ModificationofEUT..............................................................................................................................................................8 1.7.LaboratoryInformation........................................................................................................................................................9 1.8.ApplicableStandards...........................................................................................................................................................9 2.TESTCONFIGURATIONOFEUT...........................................................................................................................................10 2.1.CarrierFrequencyChannel............................................................................................................................................10 2.2.TestModes............................................................................................................................................................................11 2.3.BlockDiagramofTestSystem......................................................................................................................................12 2.4.DescriptionofSupportUnits..........................................................................................................................................12 2.5.TestSoftwareandPowerLevel....................................................................................................................................13 2.6.EUTOperatingConditions..............................................................................................................................................13 2.7.EquipmentList.....................................................................................................................................................................14 2.8.MeasurementUncertainty...............................................................................................................................................16 2.9.Environmentalconditions................................................................................................................................................16 3.TESTRESULT..................................................................................................................................................................................17 3.1.MaximumPeakConductedOutputPower..............................................................................................................17 3.2.NumberofHoppingFrequencies.................................................................................................................................18 3.3.DwellTime.............................................................................................................................................................................19 3.4.DutyCycle.......................................................................................…

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"ShanghaiATBLTechnologyCo.,Ltd."herebycertifiesthataccordingtoactualtestingconditions.Thetestresultsorobservationsareprovidedin accordancewithmeasuredvalue,withouttakingriskscausedbyuncertaintyintoaccount.Withoutexplicitstipulationinspecialagreements,standards,or regulations,ATBLshallnotassumeanyresponsibility.Thetestresultsorobservationsareapplicableonlytotestedsample.Clientshallberesponsiblefor representativenessofthesampleandauthenticityofthematerial.Thisreportwillbevoidwithoutauthorizedsignatureorspecialsealfortestingreport.Do notcopiedwithoutauthorization. Tel:+86(0)21-51298625Web:www.atbl-lab.comEmail:[email protected] RFTESTREPORT Applicant: ShenzhenJiutongZhichuangTechnologyCo.,Ltd. ProductName: Wirelessearbuds BrandName: N/A ModelName: AOCACT2525 SeriesModel: AOCACT3525,AOCACD4511,Aero10,Aero20,Aero30, Aero40,Aero50,Aero60,Aero70,Aero80,Aero90, Aura100,Aura200,Aura300,Aura400,Aura500, Aura600,Aura700,Aura800,Aura900 FCCID: 2A7JV-ACT2525 TestStandard: FCCCFRTitle47Part2.1093 DateofReceipt: Mar.10,2026 DateofTest: Apr.01,2026~Apr.14,2026 IssueDate : Apr.14,2026 ReportNo.:SHATBL2603014W03 ReportPreparedby: ( Emily ) ReportApprovedby: (GuozhengLi) AuthorizedSignatory: (TerryYang) ReportNo.:SHATBL2603014W03 SHATBL-W-122/A0Page 2 of 9 TABLEOFCONTENTS DECLARATIONOFREPORT............................................................................................................................................................4 1.GENERALDESCRIPTION.............................................................................................................................................................5 1.1.Applicant....................................................................................................................................................................................5 1.2.Manufacturer...........................................................................................................................................................................5 1.3.Factory.......................................................................................................................................................................................5 1.4.GeneralInformationofEUT..............................................................................................................................................6 1.5.LaboratoryInformation........................................................................................................................................................6 2.FCC47CFR§2.1093Requirement............................................................................................................................................7 2.1.TestStandards........................................................................................................................................................................7 2.2.Requirement............................................................................................................................................................................7 2.3.MPECalculationMethod...................................................................................................................................................8 2.4.AntennaInformation.............................................................................................................................................................8 2.5.ManufacturingTolerance....................................................................................................................................................8 2.6.TestResult................................................................................................................................................................................9 ReportNo.:SHATBL2603014W03 SHATBL-W-122/A0Page 3 of 9 REVISIONHISTORY Rev.IssueDateReportNo.EffectPageContents 00Apr.14,2026SHATBL2603014W03ALLInitialRelease ReportNo.:SHATBL2603014W03 SHATBL-W-122/A0Page 4 of 9 DECLARATIONOFREPORT 1.ThedevicehasbeentestedbyATBL,andthetestresultsshowthattheequipmentundertest (EUT)isincompliancewiththerequirementsof47CFRPart2.1093.Anditisapplicableonlytothe testedsampleidentifiedinthereport. 2.Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofATBL,this documentonlybealteredorrevisedbyATBL,personalonly,andshallbenotedintherevisionofthe document. 3.ThegeneralinformationofEUTinthisreportisprovidedbythecustomerormanufacture,ATBL isonlyresponsibleforthetestdatabutnotfortheinformationprovidedbythecustomeror manufacture. 4.Theresultsinthisreportisonlyapplytothesampleastestedunderconditions.Thecustomer ormanufacturerisresponsibleforensuringthattheadditionalproductionunitsofthismodelhavethe sameelectricalandmechanicalcomponents. 5.Inthisreport,‘’indicatesthatEUTdoesnotsupportcontentafter‘’,and‘’indicatesthatit supportscontentafter‘’ ReportNo.:SHATBL2603014W03 SHATBL-W-122/A0Page 5 of 9 1.GENERALDESCRIPTION 1.1.Applicant Name:ShenzhenJiutongZhichuangTechnologyCo.,Ltd. Address: Room615,BuildingB,XinshiyiMakerPark,No.111Pingshan1stRoad, TaoyuanSubdistrict,NanshanDistrict,Shenzhen,GuangdongProvince,China 1.2.Manufacturer Name:ShenzhenJiutongZhichuangTechnologyCo.,Ltd. Address: Room615,BuildingB,XinshiyiMakerPark,No.111Pingshan1stRoad, TaoyuanSubdistrict,NanshanDistrict,Shenzhen,GuangdongProvince,China 1.3.Factory Name:ShenzhenLongFuXiangTechnologyCo.Ltd Address: 3rdFloor,BuildingB,No.205Xingye2ndRoad,FenghuangCommunity, FuyongStreet,Bao'anDistrict,Shenzhen ReportNo.:SHATBL2603014W03 SHATBL-W-122/A0Page 6 of 9 1.4.GeneralInformationofEUT GeneralInformation EquipmentNameWirelessearbuds BrandNameN/A ModelNameAOCACT2525 SeriesModel AOCACT3525,AOCACD4511,Aero10,Aero20,Aero30, Aero40,Aero50,Aero60,Aero70,Aero80,Aero90, Aura100,Aura200,Aura300,Aura400,Aura500, Aura600,Aura700,Aura800,Aura900 ModelDifference Onlythecolorandmodelnamesdiffer;everythingelseisthe same. OperationFrequency BR/EDR:2402MHz~…

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ReportNo.: : SHATBL2603014 Page 1 of 17 AppendixH_InternalPhotosoftheEUT ReportNo.: : SHATBL2603014 Page 2 of 17 ReportNo.: : SHATBL2603014 Page 3 of 17 ReportNo.: : SHATBL2603014 Page 4 of 17 ReportNo.: : SHATBL2603014 Page 5 of 17 Leftearheadphones ReportNo.: : SHATBL2603014 Page 6 of 17 ReportNo.: : SHATBL2603014 Page 7 of 17 ReportNo.: : SHATBL2603014 Page 8 of 17 ReportNo.: : SHATBL2603014 Page 9 of 17 ReportNo.: : SHATBL2603014 Page 10 of 17 Rightearheadphones ReportNo.: : SHATBL2603014 Page 11 of 17 ReportNo.: : SHATBL2603014 Page 12 of 17 ReportNo.: : SHATBL2603014 Page 13 of 17 ReportNo.: : SHATBL2603014 Page 14 of 17 ReportNo.: : SHATBL2603014 Page 15 of 17 BT_ANT ReportNo.: : SHATBL2603014 Page 16 of 17 Earphonecasebattery ReportNo.: : SHATBL2603014 Page 17 of 17 Leftearbattery Rightearbattery ※※※※※ END ※※※※※

ReportNo.: : SHATBL2603014 Page 1 of 11 AppendixG_ExternalPhotosoftheEUT ReportNo.: : SHATBL2603014 Page 2 of 11 ReportNo.: : SHATBL2603014 Page 3 of 11 ReportNo.: : SHATBL2603014 Page 4 of 11 ReportNo.: : SHATBL2603014 Page 5 of 11 ReportNo.: : SHATBL2603014 Page 6 of 11 Leftearheadphones ReportNo.: : SHATBL2603014 Page 7 of 11 ReportNo.: : SHATBL2603014 Page 8 of 11 ReportNo.: : SHATBL2603014 Page 9 of 11 Rightearheadphones ReportNo.: : SHATBL2603014 Page 10 of 11 ReportNo.: : SHATBL2603014 Page 11 of 11 ※※※※※END※※※※※

C5266091_X8_Ed.1 1/1 LetterofAuthorization <ShenzhenJiutongzhichuangtechnologyCo.,Ltd> Company:ShenzhenJiutongzhichuangtechnologyCo.,Ltd Address:Room615,BuildingB,XinshiyiMakerPark,No.111Pingshan 1stRoad,TaoyuanSubdistrict,NanshanDistrict, Shenzhen,GuangdongProvince,China ProductName:Wirelessearbuds ModelNumber:AOCACT2525 SeriesModel:AOCACT3525,AOCACD4511,Aero10,Aero20,Aero30, Aero40,Aero50,Aero60,Aero70,Aero80,Aero90, Aura100,Aura200,Aura300,Aura400,Aura500,Aura600,Aura 700,Aura800,Aura900 FCCIdentifier:FCCID:2A7JV-ACT2525 WeauthorizeSHANGHAIATBLTECHNOLOGYCO.,LTDShuidiXietoactonour behalfonallmattersconcerningtheabovenamedequipment. AnyindividualwithinSHANGHAIATBLTECHNOLOGYCO.,LTDisauthorizedto actonourbehalfandtakeactionontheapplication. WedeclarethatauthorizeSHANGHAIATBLTECHNOLOGYCO.,LTDShuidiXie isallowedtoforwardallinformationrelatedtotheapprovalprojecttothe FederalCommunicationCommissionandtodiscussanyissuesconcerningthe approvalapplication.AnyandallactscarriedoutbySHANGHAIATBL TECHNOLOGYCO.,LTDonourbehalfshallhavethesameeffectasactsofour own. Name:ShulongChenDate:2026.4.22 Title:PM Signatureofapplicant:ShenzhenjiutongZhichuangTechnologyCo., Ltd.

C5266091_X10_Ed.2 1/1 <ShenzhenjiutongZhichuangTechnologyCo.,Ltd.> OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2026.04.22 Subject:RequestforConfidentiality FCCID:2A7JV-ACT2525 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. Sincerely, Signature: Name:ShulongChen Title:PM

TCBCALLpágina1 FileFCCID:2A7JV-ACT2525 PleaseuploadanexhibitthatexplainshowdoestheTCBverifythenewagentinformation: 1-IstheaddressoftheagentavalidphysicalUSmailingaddress(notaUSpostofficebox,notavirtualmailbox,notP.O.Boxes,notavacantlot,notapublicbuilding, etc.) ○Wehavecheckediftheaddressexistsinarealandpotentialbuilding(Googlemaps)+officialUSregister,afterthisverificationandtheevidencebelowwecan guaranteethefollowing: notaUSpostofficebox notavirtualmailbox notP.O.Boxes notavacantlot notapublicbuilding(note) ►WecheckedtheFCCFRNSearchbasedontheinformationprovidedbythegrantee. Ontheofficialregisterfrom:https://opencorporates.com/companies/us_il/LLC_12842678 Ingoogle: TCBCALLpágina2 Bankinformation TCBCALLpágina3 TCBCALLpágina4 TCBCALLpágina5 TCBCALLpágina6 TCBCALLpágina7 TCBCALLpágina8 TCBCALLpágina9 ►CONCLUSIONbyTCB:TheASOPdefinedandprovidedbygranteeisVALIDandconfirmed.Thereforetheexhibit"C5266091_X23_Ed1_US_Agent_Letter" includedinthefileisok. 2-IstheagentphysicallylocatedatthatvalidUSaddresssuchthattheagentcanbelegallyservedatthataddress? Yes,checkabove 3-Hasthelistedagentclearlyagreedinwritingtoserveastheagentforthegranteeatthataddress? Yes,itisincludedintheexhibit"C5266091_X23_Ed1_US_Agent_Letter" >

ShenzhenJiutongzhichuangtechnologyCo.,Ltd. Room615,BuildingB,XinshiyiMakerPark,No.111Pingshan1stRoad,TaoyuanSubdistrict,NanshanDistrict, Shenzhen,GuangdongProvince,China ProductSimilarityDeclaration Signature: Name:Shulong Chen Title: PM Email:[email protected] Address：Room 615, Building B, Xinshiyi Maker Park, No.111 Pingshan 1st Road, Taoyuan Subdistrict, Nanshan District, Shenzhen,Guangdong Province,China Product name:Wireless earbuds Model Number:AOC ACT2525 Series Model: AOC ACT3525, AOC ACD4511, Aero 10, Aero 20, Aero 30, Aero 40, Aero 50, Aero 60, Aero 70, Aero 80, Aero 90, Aura 100, Aura 200, Aura 300, Aura 400, Aura 500, Aura 600, Aura 700, Aura 800, Aura 900 FCCID: 2A7JV-ACT2525 We Shenzhen Jiutong zhichuang technology Co., Ltd. hereby state that all the models are electrical identi…

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