2ACP4CBTA110TRUE WIRELESS ANC EARBUDS

FCC ID Label Location The product does not have enough space to place the label, and FCC ID label is located in the user manual and Package. Package as below: User manual as below:

Report No.: AGC08189250901AP01 Page 1 of 2 TEST SETUP PHOTOS RADIATED EMISSION TEST SETUP BELOW 1GHz RADIATED EMISSION TEST SETUP ABOVE 1GHz Report No.: AGC08189250901AP01 Page 2 of 2 RF CONDUCTED TEST SETUP ****************************************End of Report*************************************

ReportNo.:AGC08189250901FR01 Page72of77 TestGraphsofFrequencySeparation Test_Graph_BR_HOP_ANT1_NA_1Mbps_HoppingSeparation Test_Graph_EDR_HOP_ANT1_NA_2Mbps_HoppingSeparation ReportNo.:AGC08189250901FR01 Page73of77 Test_Graph_EDR_HOP_ANT1_NA_3Mbps_HoppingSeparation ReportNo.:AGC08189250901FR01 Page74of77 13.ACPowerLineConductedEmissionTest 13.1MeasurementLimit Frequency MaximumRFLineVoltage Q.P.(dBμV)Average(dBμV) 150kHz~500kHz66-5656-46 500kHz~5MHz5646 5MHz~30MHz6050 Note: 1.Thelowerlimitshallapplyatthetransitionfrequency. 2.Thelimitdecreaseslinearlywiththelogarithmofthefrequencyintherange0.15MHzto0.50MHz. 13.2MeasurementSetup(BlockDiagramofConfiguration) ReportNo.:AGC08189250901FR01 Page75of77 13.3PreliminaryProcedureofLineConductedEmissionTest 1.Theequipmentwassetupasperthetestconfigurationtosimulatetypicalactualusagepertheuser’s manual.WhentheEUTisatabletopsystem,awoodentablewithaheightof0.8metersisusedandis placedonthegroundplaneasperANSIC63.10(seeTestFacilityforthedimensionsofthegroundplane used).WhentheEUTisafloor-standingequipment,itisplacedonthegroundplanewhichhasa3-12mm non-conductivecoveringtoinsulatetheEUTfromthegroundplane. 2.Supportequipment,ifneeded,wasplacedasperANSIC63.10. 3.AllI/OcableswerepositionedtosimulatetypicalactualusageasperANSIC63.10. 4.AllsupportequipmentreceivedAC120V/60HzpowerfromaLISN,ifany. 5.TheEUTreceivedDC5VpowerfromadapterwhichreceivedAC120V/60HzpowerfromaLISN. 6.Thetestprogramwasstarted.EmissionsweremeasuredoneachcurrentcarryinglineoftheEUTusinga spectrumAnalyzer/ReceiverconnectedtotheLISNpoweringtheEUT.TheLISNhastwomonitoring points:Line1(HotSide)andLine2(NeutralSide). 7.Twoscansweretaken:onewithLine1connectedtoAnalyzer/ReceiverandLine2connectedtoa50ohm load;thesecondscanhadLine1connectedtoa50ohmloadandLine2connectedtotheAnalyzer/ Receiver. 8.Analyzer/Receiverscannedfrom150kHzto30MHzforemissionsineachofthetestmodes. 9.Duringtheabovescans,theemissionsweremaximizedbycablemanipulation. 10.Thetestmode(s)werescannedduringthepreliminarytest. 11.Then,theEUTconfigurationandcableconfigurationoftheabovehighestemissionlevelwererecordedfor referenceoffinaltesting. 13.4FinalProcedureofLineConductedEmissionTest 1.EUTandsupportequipmentwassetuponthetestbenchasperstep2ofthepreliminarytest. 2.Ascanwastakenonbothpowerlines,Line1andLine2,recordingatleastthesixhighestemissions. Emissionfrequencyandamplitudewererecordedintoacomputerinwhichcorrectionfactorswereusedto calculatetheemissionlevelandcomparereadingtotheapplicablelimit. 3.IfEUTemissionlevelwasless–2dBtotheA.V.limitinPeakmode,thentheemissionsignalwas re-checkedusingQ.PandAveragedetector. 4.Thetestdataoftheworstcasecondition(s)wasreportedontheSummaryDatapage. 5.Aconductedemissioniscalculatedbythefollowingequation: •MeasurementLevel(dBμV)=Receiverreading(dBμV)+Transd(dB) •Transd(dB)=AMNFactor(dB)+CableLoss(dB)+Attenuation(dB) •Margin=Limit-Level 13.5MeasurementResult N/A Note:Thisdeviceispoweredbyabuilt-inlithiumbatteryandisnotsuitableforACpowersupplydisturbance testing. ReportNo.:AGC08189250901FR01 Page76of77 AppendixI:PhotographsofTestSetup RefertotheReportNo.:AGC08189250901AP01 AppendixII:PhotographsofTestEUT RefertotheReportNo.:AGC08189250901AP02 ReportNo.:AGC08189250901FR01 Page77of77 ConditionsofIssuanceofTestReports 1.AllsamplesandgoodsareacceptedbytheAttestationofGlobalCompliance(Shenzhen)Co.,Ltd(the“Company”) solelyfortestingandreportinginaccordancewiththefollowingtermsandconditions.Thecompanyprovidesits servicesonthebasisthatsuchtermsandconditionsconstituteexpressagreementbetweenthecompanyandany person,firmorcompanyrequestingitsservices(the“Clients”). 2.AnyreportissuedbyCompanyasaresultofthisapplicationfortestingservices(the“Report”)shallbeissuedin confidencetotheClientsandtheReportwillbestrictlytreatedassuchbytheCompany.Itmaynotbereproduced eitherinitsentiretyorinpartanditmaynotbeusedforadvertisingorotherunauthorizedpurposeswithoutthe writtenconsentoftheCompany.TheClientstowhomtheReportisissuedmay,however,showorsendit,ora certifiedcopythereofpreparedbytheCompanytoitscustomer,supplierorotherpersonsdirectlyconcerned.The Companywillnot,withouttheconsentoftheClients,enterintoanydiscussionorcorrespondencewithanythirdparty concerningthecontentsoftheReport,unlessrequiredbytherelevantgovernmentalauthorities,lawsorcourtorders. 3.TheCompanyshallnotbecalledorbeliabletobecalledtogiveevidenceortestimonyontheReportinacourtof lawwithoutitspriorwrittenconsent,unlessrequiredbytherelevantgovernmentalauthorities,lawsorcourtorders. 4.IntheeventoftheimproperuseofthereportasdeterminedbytheCompany,theCompanyreservestherightto withdrawit,andtoadoptanyotheradditionalremedieswhichmaybeappropriate. 5.SamplessubmittedfortestingareacceptedontheunderstandingthattheReportissuedcannotformthebasisof, orbetheinstrumentfor,anylegalactionagainsttheCompany. 6.TheCompanywillnotbeliablefororacceptresponsibilityforanylossordamagehoweverarisingfromtheuseof informationcontainedinanyofitsReportsorinanycommunicationwhatsoeveraboutitssaidtestsorinvestigations. 7.ClientswishingtousetheReportincourtproceedingsorarbitrationshallinformtheCompanytothateffectpriorto submittingthesamplefortesting. 8.TheCompanyisnotresponsibleforrecallingtheelectronicversionoftheoriginalreportwhenanyrevisionis madetothem.TheClientassumestheresponsibilitytoprovidingtherevisedversiontoanyinterestedpartywho usesthem. 9.Subjecttothevariablelengthofretentiontimefortestdataandreportstoredhereintoasotherwisespecifically requiredbyindividualaccreditationauthorities,theCompanywillonlykeepthesupportingtestdataandinformation ofthetestreportforaperiodofsixyears.Thedataandinformationwillbedisposedofaftertheaforementioned retentionperiodhaselapsed.Undernocircumstancesshallweprovideanydataandinformationwhichhasbeen disposedofafterretentionperiod.Undernocircumstancesshallwebeliablefordamageofanykind,including(but notlimitedto)compensatorydamages,lostprofits,lostdata,oranyformofspecial,incidental,indirect, consequentialorpunitivedamagesofanykind,whetherbasedonbreachofcontractofwarranty,tort(…

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ReportNo.:AGC08189250901FR01 Page42of77 Test_Graph_EDR_ANT1_2402_3Mbps_ReferenceLevel Test_Graph_EDR_ANT1_2402_3Mbps_LowerBandEmissions ReportNo.:AGC08189250901FR01 Page43of77 Test_Graph_EDR_ANT1_2402_3Mbps_HigherBandEmissions Test_Graph_EDR_ANT1_2441_3Mbps_ReferenceLevel ReportNo.:AGC08189250901FR01 Page44of77 Test_Graph_EDR_ANT1_2441_3Mbps_LowerBandEmissions Test_Graph_EDR_ANT1_2441_3Mbps_HigherBandEmissions ReportNo.:AGC08189250901FR01 Page45of77 Test_Graph_EDR_ANT1_2480_3Mbps_ReferenceLevel Test_Graph_EDR_ANT1_2480_3Mbps_LowerBandEmissions ReportNo.:AGC08189250901FR01 Page46of77 Test_Graph_EDR_ANT1_2480_3Mbps_HigherBandEmissions ReportNo.:AGC08189250901FR01 Page47of77 TestGraphsofBandEdgeEmissionsinNon-RestrictedFrequencyBands Test_Graph_BR_ANT1_2402_1Mbps_LowerBandEdgeEmissions Test_Graph_BR_ANT1_2480_1Mbps_HigherBandEdgeEmissions ReportNo.:AGC08189250901FR01 Page48of77 Test_Graph_BR_HOP_ANT1_NA_1Mbps_LowerBandEdgeEmissions Test_Graph_BR_HOP_ANT1_NA_1Mbps_HigherBandEdgeEmissions ReportNo.:AGC08189250901FR01 Page49of77 Test_Graph_EDR_ANT1_2402_2Mbps_LowerBandEdgeEmissions Test_Graph_EDR_ANT1_2480_2Mbps_HigherBandEdgeEmissions ReportNo.:AGC08189250901FR01 Page50of77 Test_Graph_EDR_HOP_ANT1_NA_2Mbps_LowerBandEdgeEmissions Test_Graph_EDR_HOP_ANT1_NA_2Mbps_HigherBandEdgeEmissions ReportNo.:AGC08189250901FR01 Page51of77 Test_Graph_EDR_ANT1_2402_3Mbps_LowerBandEdgeEmissions Test_Graph_EDR_ANT1_2480_3Mbps_HigherBandEdgeEmissions ReportNo.:AGC08189250901FR01 Page52of77 Test_Graph_EDR_HOP_ANT1_NA_3Mbps_LowerBandEdgeEmissions Test_Graph_EDR_HOP_ANT1_NA_3Mbps_HigherBandEdgeEmissions ReportNo.:AGC08189250901FR01 Page53of77 9.RadiatedSpuriousEmission 9.1MeasurementLimit  15.209Limitinthebelowtablehastobefollowed Frequencies (MHz) FieldStrength (microvolts/meter) MeasurementDistance (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 Note:Allmodesweretestedforrestrictedbandradiatedemission,thetestrecordsreportedbelowaretheworst resultcomparedtoothermodes. 9.2MeasurementProcedure 1.TheEUTwasplacedonthetopoftheturntable0.8or1.5meteraboveground.Thephasecenterofthe receivingantennamountedonthetopofaheight-variableantennatowerwasplaced3metersfaraway fromtheturntable. 2.PowerontheEUTandallthesupportingunits.Theturntablewasrotatedby360degreestodeterminethe positionofthehighestradiation. 3.Theheightofthebroadbandreceivingantennawasvariedbetweenonemeterandfourmetersabove groundtofindthemaximumemissionsfieldstrengthofbothhorizontalandverticalpolarization. 4.Foreachsuspectedemission,theantennatowerwasscan(from1Mto4M)andthentheturntablewas rotated(from0degreeto360degrees)tofindthemaximumreading. 5.Setthetest-receiversystemtoPeakorCISPRquasi-peakDetectFunctionwithspecifiedbandwidthunder MaximumHoldMode. 6.Foremissionsabove1GHz,use1MHzRBWand3MHzVBWforpeakreading.Placethemeasurement antennaawayfromeachareaoftheEUTdeterminedtobeasourceofemissionsatthespecified measurementdistance,whilekeepingthemeasurementantennaaimedatthesourceofemissionsateach frequencyofsignificantemissions,withpolarizationorientedformaximumresponse.Themeasurement antennamayhavetobehigherorlowerthantheEUT,dependingontheradiationpatternoftheemission andstayingaimedattheemissionsourceforreceivingthemaximumsignal.Thefinalmeasurement antennaelevationshallbethatwhichmaximizestheemissions.Themeasurementantennaelevationfor maximumemissionsshallberestrictedtoarangeofheightsoffrom1mto4mabovethegroundor referencegroundplane. ReportNo.:AGC08189250901FR01 Page54of77 7.Whentheradiatedemissionslimitsareexpressedintermsoftheaveragevalueoftheemissions,and pulsedoperationisemployed,themeasurementfieldstrengthshallbedeterminedbyaveragingoverone completepulsetrain,includingblankingintervals,aslongasthepulsetraindoesnotexceed0.1seconds. Asanalternative(providedthetransmitteroperatesforlongerthan0.1seconds)orincaseswherethe pulsetrainexceeds0.1seconds,themeasuredfieldstrengthshallbedeterminedfromtheaverage absolutevoltageduringa0.1secondintervalduringwhichthefieldstrengthisatitsmaximumvalues. 8.IftheemissionsleveloftheEUTinpeakmodewas3dBlowerthantheaveragelimitspecified,then testingwillbestoppedandpeakvaluesofEUTwillbereported,otherwise,theemissionswhichdonot have3dBmarginwillberepeatedonebyoneusingthequasi-peakmethodforbelow1GHz. 9.Fortestingabove1GHz,theemissionsleveloftheEUTinpeakmodewaslowerthanaveragelimit(that meanstheemissionslevelinpeakmodealsocomplieswiththelimitinaveragemode),thentestingwillbe stoppedandpeakvaluesofEUTwillbereported,otherwise,theemissionswillbemeasuredinaverage modeagainandreported. 10.Incasetheemissionislowerthan30MHz,loopantennahastobeusedformeasurementandtherecorded datashouldbeQPmeasuredbyreceiver.High-Lowscanisnotrequiredinthiscase. Thefollowingtableisthesettingofspectrumanalyzerandreceiver. SpectrumParameterSetting Start~StopFrequency9KHz~150KHz/RB200HzforQP Start~StopFrequency150KHz~30MHz/RB9KHzforQP Start~StopFrequency30MHz~1000MHz/RB120KHzforQP Start~StopFrequency 1GHz~26.5GHz 1MHz/3MHzforPeak,1MHz/3MHzforAverage ReceiverParameterSetting Start~StopFrequency9KHz~150KHz/RB200HzforQP Start~StopFrequency150KHz~30MHz/RB9KHzforQP Start~StopFrequency30MHz~1000MHz/RB120KHzforQP ReportNo.:AGC08189250901FR01 Page55of77 Quasi-PeakMeasurementsbelow1GHz 1.Analyzercenterfrequencywassettothefrequencyoftheradiatedspuriousemissionofinterest 2.Spanwassetgreaterthan1MHz 3.RBW=asshowninthetableabove 4.Detector=CISPRquasi-peak 5.Sweeptime=autocouple 6.Tracewasallowedtostabilize PeakMeasurementsabove1GHz 1.Analyzercenterfrequencywassettothefrequencyoftheradiatedspuriousemissionofinterest 2.RBW=1MHz 3.VBW=3MHz 4.Detector=peak 5.Sweeptime=autocouple 6.Tracemode=maxhold 7.Tracewasallowedtostabilize AverageMeasurementsabove1GHz 1.Analyzercenterfrequencywassettothefrequencyoftheradiatedspuriousemissionofinterest 2.RBW=1MHz 3.VBW≥[3×RBW] 4.Detector=Poweraveraging(rms) 5.Averagingtype=power(i.e.,rms) 6.Sweeptime=auto 7.Performatraceaverageofatleast100traces. 8.Theapplicablecorrectionf…

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Inverted FAntenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Center Frequency Horizontal Vertical 2400MHz 2450MHz 2500MHz 2400MHz 2450 MHz 2500MHz -1.26-0.76-0.58-5.25-2.46-1.86 MAX.Gain -0.58dBi Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Type PCB Antenna Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Address:No.333 Kexing Road,Nanping Town,Xiangzhou District,Zhuhai City Antenna Photo &Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBi) Max:0 Min:-40 Scale:5/div 30 330 60 300 120 240 150 210 180 Frequency (MHz) Gain(dBi) Max Min Avg 2400 -1.26174-30.0801-7.18716 2450 -0.765802-36.5604-7.48023 2500 -0.585582-22.0315-6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power(dBi) Max:0 Min:-30 Scale:5/div 180 Frequency (MHz) Gain(dBi) Max Min Avg 2400 -5.2537-22.1424-12.4294 2450 -2.4652-24.5837-10.4702 2500 -1.86120-29.5214-9.20432

Page 1 of 77 FCCTestReport ReportNo.:AGC08189250901FR01 FCCID:2ACP4CBTA110 APPLICATIONPURPOSE:OriginalEquipment PRODUCTDESIGNATION:TRUEWIRELESSANCEARBUDS BRANDNAME:SENTRY MODELNAME: BTA110,BTA110W,BTA110B,BTA105,BTA106,BTA957, BTA960,BTA960C APPLICANT:SentryIndustriesLimited DATEOFISSUE:Oct.14,2025 STANDARD(S):FCCPart15SubpartC§15.247 REPORTVERSION:V1.0 AttestationofGlobalCompliance(Shenzhen)Co.,Ltd ReportNo.:AGC08189250901FR01 Page2of77 ReportReviseRecord ReportVersionReviseTimeIssuedDateValidVersionNotes V1.0/Oct.14,2025ValidInitialRelease ReportNo.:AGC08189250901FR01 Page3of77 TableofContents 1.GeneralInformation..........................................................................................................................................5 2.ProductInformation..........................................................................................................................................6 2.1ProductTechnicalDescription....................................................................................................................6 2.2TestFrequencyList.....................................................................................................................................6 2.3RelatedSubmittal(S)/Grant(S).................................................................................................................7 2.4TestMethodology........................................................................................................................................7 2.5ReceiverInputBandwidth...........................................................................................................................7 2.6EquallyAverageUseofFrequenciesandBehaviour.................................................................................7 2.7PseudorandomFrequencyHoppingSequence.........................................................................................8 2.8SpecialAccessories....................................................................................................................................9 2.9EquipmentModifications.............................................................................................................................9 2.10AntennaRequirement...............................................................................................................................9 3.TestEnvironment............................................................................................................................................10 3.1AddressofTheTestLaboratory................................................................................................................10 3.2TestFacility................................................................................................................................................10 3.3EnvironmentalConditions.........................................................................................................................11 3.4MeasurementUncertainty.........................................................................................................................11 3.5ListofEquipmentUsed.............................................................................................................................12 4.SystemTestConfiguration............................................................................................................................14 4.1EUTConfiguration....................................................................................................................................14 4.2EUTExercise............................................................................................................................................14 4.3ConfigurationofTestedSystem................................................................................................................14 4.4EquipmentUsedinTestedSystem..........................................................................................................15 4.5SummaryofTestResults..........................................................................................................................16 5.DescriptionofTestModes.............................................................................................................................17 6.RFOutputPowerMeasurement....................................................................................................................18 6.1ProvisionsApplicable................................................................................................................................18 6.2MeasurementProcedure..........................................................................................................................18 6.3MeasurementSetup(BlockDiagramofConfiguration)...........................................................................18 6.4MeasurementResult.................................................................................................................................19 7.20dBBandwidthand99%OccupiedBandwidthMeasurement...............................................................25 7.1ProvisionsApplicable................................................................................................................................25 7.2MeasurementProcedure..........................................................................................................................25 7.3MeasurementSetup(BlockDiagramofConfiguration)...........................................................................25 7.4MeasurementResults...............................................................................................................................26 8.ConductedBandEdgeandOut-of-BandEmissions..................................................................................31 8.1ProvisionsApplicable...........................................................................…

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Page 1 of 10 RF Exposure Report Report No.: AGC08189250901FH01 FCC ID : 2ACP4CBTA110 APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : TRUE WIRELESS ANC EARBUDS BRAND NAME : SENTRY MODEL NAME : BTA110, BTA110W, BTA110B, BTA105, BTA106, BTA957, BTA960, BTA960C APPLICANT : Sentry Industries Limited DATE OF ISSUE : Oct. 14, 2025 STANDARD(S) : FCC Part 2 Subpart J §2.1093 FCC KDB 447498 D01 V06 REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC08189250901FH01 Page 2 of 10 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Oct. 14, 2025 Valid Initial Release Report No.: AGC08189250901FH01 Page 3 of 10 Table of Contents 1. General Information ........................................................................................................................................ 4 2. Product Information ........................................................................................................................................ 5 2.1 Product Technical Description ................................................................................................................... 5 3. Test Environment ............................................................................................................................................ 6 3.1 Address Of The Test Laboratory ............................................................................................................... 6 3.2 Test Facility ................................................................................................................................................ 6 3.3 Environmental Conditions ......................................................................................................................... 7 4. Portable Device Evaluation Method and Limit ............................................................................................. 8 5. Measurement Results ..................................................................................................................................... 9 6. Measurement Evaluation ................................................................................................................................ 9 Report No.: AGC08189250901FH01 Page 4 of 10 1. General Information Applicant Sentry Industries Limited Address Room A9, 7/F K11 Atelier, Victoria Dockside, 18 Salisbury Road, Tsim Sha Tsui, Hong Kong, China Manufacturer Guangdong SAIYO Eletronics Industry Co., Ltd Address Xibian Industry Zone, Tongyu Town, Chaoyang District, Shantou City, Guangdong Province, China Factory Guangdong SAIYO Eletronics Industry Co., Ltd Address Xibian Industry Zone, Tongyu Town, Chaoyang District, Shantou City, Guangdong Province, China Product Designation TRUE WIRELESS ANC EARBUDS Brand Name SENTRY Test Model BTA110 Series Model(s) BTA110W, BTA110B, BTA105, BTA106, BTA957, BTA960, BTA960C Difference Description All the same except for the model name. Date of receipt of test item Sep. 08, 2025 Date of Test Sep. 08, 2025 to Oct. 14, 2025 Deviation from Standard No any deviation from the test method Condition of Test Sample Normal Test Result Pass Test Report Form No AGCER-FCC-RF Exposure-V1 Note: The test results of this report relate only to the tested sample identified in this report. Prepared By Thea Huang (Project Engineer) Oct. 14, 2025 Reviewed By Bibo Zhang (Reviewer) Oct. 14, 2025 Approved By Angela Li (Authorized Officer) Oct. 14, 2025 Report No.: AGC08189250901FH01 Page 5 of 10 2. Product Information 2.1 Product Technical Description Frequency Band (Operating) Bluetooth: 2.402GHz ~ 2.480GHz Other: Hardware Version V1.3 Software Version V1.0 Modulation Type BR GFSK, EDR π /4-DQPSK, 8DPSK Maximum Transmitter Power 8.110dBm Device Category Portable (<20cm separation) Mobile (>20cm separation) Others: Antenna Diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Antenna Designation PCB Antenna Antenna Gain -0.58dBi Minimum Assessment Distance 5mm Evaluation Applied MPE Evaluation SAR Evaluation Report No.: AGC08189250901FH01 Page 6 of 10 3. Test Environment 3.1 Address Of The Test Laboratory Laboratory: Attestation of Global Compliance (Shenzhen) Co., Ltd. Address: 1-2/F, Building 19, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China 3.2 Test Facility The test facility is recognized, certified, or accredited by the following organizations: CNAS-Lab Code: L5488 Attestation of Global Compliance (Shenzhen) Co., Ltd. has been assessed and proved to follow CNAS-CL01 Accreditation Criteria for Testing and Calibration Laboratories (identical to ISO/IEC17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories.) A2LA-Lab Cert. No.: 5054.02 Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been accredited by A2LA for technical competence in the field of electrical testing, and proved to follow ISO/IEC 17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories and any additional program requirements in the identified field of testing. FCC-Registration No.: 975832 Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been registered and fully described in a report filed with the FCC (Federal Communications Commission). The acceptance letter from the FCC is maintained in our files with Registration 975832. IC-Registration No.: 24842(CAB identifier: CN0063) Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been registered and fully described in a report filed with the Certification and Engineering Bureau of Industry Canada. The acceptance letter from the IC is maintained in our files with Registration 24842. Report No.: AGC08189250901FH01 Page 7 of 10 3.3 Environmental Conditions NORMAL CONDITIONS Temperature range (°C) 15 - 35 Relative humidity range 20 % - 7…

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Report No.: AGC08189250901AP02 Page 1 of 6 INTERNAL PHOTOS Left - VIEW OF EUT(PORT) OPEN VIEW OF EUT Report No.: AGC08189250901AP02 Page 2 of 6 VIEW OF BATTERY INTERNAL VIEW OF EUT (FIGURE 1) Report No.: AGC08189250901AP02 Page 3 of 6 INTERNAL VIEW OF EUT (FIGURE 2) INTERNAL VIEW OF EUT (FIGURE 3) BT Antenna Report No.: AGC08189250901AP02 Page 4 of 6 Right VIEW OF EUT(PORT) OPEN VIEW OF EUT Report No.: AGC08189250901AP02 Page 5 of 6 VIEW OF BATTERY INTERNAL VIEW OF EUT (FIGURE 1) Report No.: AGC08189250901AP02 Page 6 of 6 INTERNAL VIEW OF EUT (FIGURE 2) INTERNAL VIEW OF EUT (FIGURE 3) ****************************************End of Report************************************* BT Antenna

Report No.: AGC08189250901AP02 Page 1 of 4 EXTERNAL PHOTOS All VIEW OF EUT TOP VIEW OF EUT Report No.: AGC08189250901AP02 Page 2 of 4 BOTTOM VIEW OF EUT FRONT VIEW OF EUT Report No.: AGC08189250901AP02 Page 3 of 4 BACK VIEW OF EUT LEFT VIEW OF EUT Report No.: AGC08189250901AP02 Page 4 of 4 RIGHT VIEW OF EUT ****************************************End of Report*************************************

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: Sentry Industries Limited Address: Room A9, 7/F K11 Atelier, Victoria Dockside, 18 Salisbury Road, Tsim Sha Tsui, Hong Kong, China Product Name: TRUE WIRELESS ANC EARBUDS Model Number: BTA110, BTA110W, BTA110B, BTA105, BTA106, BTA957, BTA960, BTA960C FCC Identifier: 2ACP4CBTA110 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Peetu Melwani Date: Oct. 14, 2025 Title: Manager Signature of applicant:

SentryIndustriesLimited RoomA9,7/FK11Atelier,VictoriaDockside,18SalisburyRoad,TsimShaTsui,HongKong,China OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:Oct.14,2025 Subject;RequestforConfidentiality FCCID:2ACP4CBTA110 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram OperationalDescription PartsList 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:PeetuMelwani Title:Manager

TCB CALL página 1 File FCC ID: 2ACP4CBTA110 Please upload an exhibit that explains how does the TCB verify the new agent information: 1- Is the address of the agent a valid physical US mailing address (not a US post office box, not a virtual mailbox, not P.O. Boxes, not a vacant lot, not a public building, etc.) ○ We have checked if the address exists in a real and potential building (Google maps) + official US register, after this verification and the evidence below we can guarantee the following: not a US post office box not a virtual mailbox not P.O. Boxes not a vacant lot not a public building(note) ► We checked the FCC FRN Search based on the information provided by the grantee. On the official register from : https://apps.dos.ny.gov/publicInquiry/EntityDisplay TCB CALL página 2 Google: ► CONCLUSION by TCB: The ASO…

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