2ADZH-S95NS75NWIRELESS HEADPHONES

DongguanSiyotoElectronicsCo.,Ltd. CoveredEquipmentCertificationAttestationLetter 2024-06-25 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa K1V1H2 Canada ATTN.:ReviewingEngineer FCCID:2ADZH-S95NS75N DongguanSiyotoElectronicsCo.,Ltd.(“theapplicant”)certifiesthattheequipmentfor whichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. DongguanSiyotoElectronicsCo.,Ltd.(“theapplicant”)certifiesthat,asofthedateofthe filingoftheapplication,theapplicantisnotidentifiedontheCoveredListasanentity producing“covered”equipment. Signed: Printedname:JerryPeng Title:Engineer CompanyName:DongguanSiyotoElectronicsCo.,Ltd. Address:No.10North7thstreet,Qiaodongroad,Qiaotoutown,Dongguan,Guangdong, China Phone:15024041010 E-Mail:[email protected] Date:2024-06-25

1/1 USAgentforServiceofProcessLETTEROFATTESTATION TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USAgentforServiceofProcess: CompanyName:FCCUSAgent,LLC FRN:0033402884 ContactName:TimPayne Address:3722IllinoisAvenue,SaintCharles,IL,60174,USA TelephoneNo:708-571-3148 Email:[email protected] Applicant: Companyname:DongguanSiyotoElectronicsCo.,Ltd. ProductDescription:WIRELESSHEADPHONES Granteecode:2ADZH FCCID:2ADZH-S95NS75N FRN：0024214231 ContactName:JerryPeng Address:No.10North7thstreet,Qiaodongroad,Qiaotoutown,Dongguan,Guangdong,China TelephoneNo:15024041010 Email:[email protected] DongguanSiyotoElectronicsCo.,Ltd.certifiesthat,asofthedateofthisfiling oftheapplicationwiththeTCB,[FCCUSAgent,LLC]isourdesignatedUS agentforserviceofprocessfortheabovereferencedFCCID.DongguanSiyoto ElectronicsCo.,Ltd.acceptstomaintainanagentfornolessthanoneyear afterthegranteehasterminatedallmarketingandimportationorthe conclusionofanycommissionrelatedproceedinginvolvingequipment.[FCCUS Agent,LLC]accepts,asofthedateofthefilingoftheapplication,the obligationofthedesignatedUSagentforserviceofprocessfortheabove referenceFCCID. TheUSAgentforServiceofProcessisawareofandagreestocomplywiththerequirements outlinedintheFCCEquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause §2.911. TheApplicantisawareofandagreestocomplywiththerequirementsoutlinedintheFCC EquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause§2.911. Date:2024-06-25 Applicant’sName: JerryPeng USAgent’sName: TimPayne Title:EngineerTitle:Manager Signature ： Signature

DongguanSiyotoElectronicsCo.,Ltd. 2024-06-25 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa,Ontario,Canada K1V1H2 AUTHORITYTOACTASAGENT-FCC Onourbehalf,IappointDamonHu,GuangdongDongdianTestingServiceCo.,Ltd.(Unit2,Building 1,No.17,Zongbu2ndRoad,SongshanLakePark,Dongguan,Guangdong,China,523808),toact asouragentinthepreparationofthisapplicationforequipmentcertification.Icertifythatsubmitted documentsproperlydescribethedeviceorsystemforwhichequipmentcertificationissought.Ialso certifythateachunitmanufactured,importedormarketed,asdefinedinFCCregulationswillhave affixedtoitalabelidenticaltothatsubmittedforapprovalwiththisapplication. Insigningthisletter,Applicantcertifiesthatneithertheapplicantnoranypartytotheapplicationis notsubjecttoadenialofFederalbenefits,thatincludeFCCbenefits,pursuanttoSection5301ofthe Anti-DrugAbuseActof1988,21U.S.C.§862becauseofaconvictionforpossessionordistribution ofacontrolledsubstance.See47CFR1.2002(b)forthedefinitionofa"party"forthesepurposes. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonourbehalf,I acknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsforcertification,as specifiedbyNemkoNorthAmericaInc.,stillresidesstillresideswithus. Sincerely, Printedname:JerryPeng Title:Engineer CompanyName:DongguanSiyotoElectronicsCo.,Ltd. Address:No.10North7thstreet,Qiaodongroad,Qiaotoutown,Dongguan,Guangdong,China Phone:15024041010 E-Mail:[email protected] Date:2024-06-25

DongguanSiyotoElectronicsCo.,Ltd. ProductSimilarityDeclaration Productname:WIRELESSHEADPHONES Modelname:HA-S95N,HA-S75N FCCID ： 2ADZH-S95NS75N We(DongguanSiyotoElectronicsCo.,Ltd.)herebystatethatallthemodelsare usingmaincircuitdesign,mainPCBLayout,RFmodule/circuit,antennatype(s) andantennalocation,componentsonPCB,etc.,),samemechanicalstructure,the differenceare_3.5mmaudioport_,thedifferencedoesnotaffecttheRF characteristics,sotheycanuseonesameFCCID. ModelPictureDescription HA-S95N Contains3.5mmaudioport HA-S75N Doesnotcontain3.5mmaudio port Signature: Name:JerryPeng Title:Engineer PlaceChina,date2024-06-25

DongguanSiyotoElectronicsCo.,Ltd. 2024-06-25 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa,Ontario,Canada K1V1H2 REQUESTFORCONFIDENTIALITY–FCC FCCID: 2ADZH-S95NS75N PursuanttoSections0.457(d)and0.459oftheCommission’sRulesandFCCGuidancedocument 726920,weherebyrequestpermanentconfidentialtreatmentofexhibitsidentifiedassuchinthetable belowandrequesttheyarepermanentlywithheldfrompublicreviewbasedonthedocumentscontaining tradesecretsandproprietaryinformationnotcustomarilyreleasedtothepublic.Thepublicdisclosureof thisinformationmightbeharmfultotheapplicantandprovideunjustifiedbenefitstoitscompetitors. Wealsorequestshort-termconfidentialityoncertainexhibitsuntiltheintendeddateofmarketingas outlinedbelow.Werequesttheexhibitsbewithheldfrompublicviewforaperiodofinsertnumberof180 days(cannotexceed180days)days.Weattestmarketingoftheproductwillonlycommenceafterthe periodofshort-termconfidentialityexpires,orifmarketingistocommencebeforetherequestednumber ofdayslistedabove,thegranteewillinformNemkotoreleasetheShort-TermConfidentialityinformation withheldontheFCCequipmentauthorizationwebsite. ExhibitTypeofConfidentialityRequested BlockDiagrams ☒Permanent ☐ShortTerm ExternalPhotos------------------☒ShortTerm InternalPhotos☐Permanent*☒ShortTerm OperationDescription ☒Permanent ☐ShortTerm PartsList&Placement/BOM ☐Permanent☐ShortTerm Tune-UpProcedure ☒Permanent ☐ShortTerm SchematicDiagrams☒Permanent ☐ ShortTerm TestSetupPhotos------------------☒ShortTerm User’sManual ☐ Permanent* ☒ShortTerm Theasteriskeditems(*)requirefurtherinformationtobeprovidedinthisjustificationletterbeforepermanentconfidentialitywillbe extendedtotheseexhibits.PleaserefertoFCCKDB726920D01foundat: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731andreviewsectionII,3)regardingspecific informationthatmustaccompanytheserequests. Note:anydocumentsheldundertheShort-Termconfidentialitywillautomaticallybecomepublicafterthe requestedtimeifanappropriateextensionrequesthasnotbeenreceived.Anyexhibits(i.e.,schematic diagrams)thatmayhavealreadybeenrequestedtohave“Permanent”confidentialityasshownaboveneed notberepeatedunderShort-Termconfidentialityrequest. Sincerely, Signed: Printedname:JerryPeng Title:Engineer CompanyName:DongguanSiyotoElectronicsCo.,Ltd. Address:No.10North7thstreet,Qiaodongroad,Qiaotoutown,Dongguan,Guangdong,China Phone:15024041010 E-Mail:[email protected] Date:2024-06-25

鸿基无线通信（深圳）有限公司 1 / 3 http://www.honant.com.cn/ SM SMSM SM NC NCNC NC- -- -3601/02 3601/023601/02 3601/02 Product specification Product specificationProduct specification Product specification 1. Type of antenna (Antenna module on the system board) 2. Electrical Characteristics No. Item Specifications 1 Frequenc Range 2400 ~ 2500MHz 2 Band Width 100MHz typ. 3 The Perk gain 3.59dBi 4 V.S.W.R ≤2.0 5 Polarization Linear 6 Azimuth Beam width Omni-directional 7 Impedance 50 Ω All the technical data and information contained he rein are subject to change without prior notice 3. Retum Loss 12 / F, West B, Building 8, Huaqiang Creative Industry Park, Sightseeing Road, Guangming District, Shenzhen, China 鸿基无线通信（深圳）有限公司 2 / 3 http://www.honant.com.cn/ 4. Radiation Pattern 3D Radiation Pattern Frequency (MHz) 2400 2450 2500 Peak. Gain (dBi) 1.46 2.94 3.59 Efficiency (%) 49.87 54.14 57.61 2400MHz 2450MHz 2500MHz 12 / F, West B, Building 8, Huaqiang Creative Industry Park, Sightseeing Road, Guangming District, Shenzhen, China 鸿基无线通信（深圳）有限公司 3 / 3 http://www.honant.com.cn/ 5. Antenna Photo & Length (mm) 12 / F, West B, Building 8, Huaqiang Creative Industry Park, Sightseeing Road, Guangming District, Shenzhen, China

Guangdong Dongdian Testing Service Co., Ltd. Report No.: DDT-RE24032615-1E08 TRF No.: RT-4-E-02-601 FCC SAR Test Report Ver.1.1 Page 1 of 28 FCC AND ISED SAR TEST REPORT Applicant : Dongguan Siyoto Electronics Co., Ltd. Address of Applicant : No.10, North 7th Street, Qiaotou Qiaodong Road, Qiaotou Town, Dongguan City, Guangdong Province, China Manufacturer : Dongguan Siyoto Electronics Co., Ltd. Address of Manufacturer : No.10, North 7th Street, Qiaotou Qiaodong Road, Qiaotou Town, Dongguan City, Guangdong Province, China Equipment under Test : WIRELESS HEADPHONES Model No. : HA-S95N, HA-S75N FCC ID : 2ADZH-S95NS75N IC : 23340-S95NS75N Test Standard(s) : Test Standard Used: IEEE Std. 1528-2013; IEC/IEEE 62209-1528:2020 FCC Rules and Regulations: 47 CFR § 1.1310, 47 CFR § 2.1093 ISED Rules and Regulations: RSS-102 Issue5, Mar. 2015 Test Procedure Used: KDB447498 D01 v06, KDB 865664 D01 v01r04, KDB 865664 D02 v01r02 Report No. : DDT-RE24032615-1E08 Issue Date : 2024/06/11 Issue By : Guangdong Dongdian Testing Service Co., Ltd. Address of Laboratory : Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808 Guangdong Dongdian Testing Service Co., Ltd. Report No.: DDT-RE24032615-1E08 TRF No.: RT-4-E-02-601 FCC SAR Test Report Ver.1.1 Page 2 of 28 Table of Contents 1. General test information ...................................................................................................... 6 1.1. Description of EUT .............................................................................................................. 6 1.2. Accessories of EUT ............................................................................................................. 6 1.3. Assistant equipment used for test ....................................................................................... 6 1.4. Block diagram of EUT configuration for test ....................................................................... 6 1.5. Test environment conditions ............................................................................................... 7 1.6. Test laboratory .................................................................................................................... 7 2. Summary of test results ...................................................................................................... 8 2.1. Report SAR results ............................................................................................................. 8 2.2. RF exposure limits .............................................................................................................. 8 3. SAR measurements system configuration .......................................................................... 9 3.1. The SAR measurement system .......................................................................................... 9 3.2. Isotropic E-field probe EX3DV4 ........................................................................................ 10 3.3. SAM twin phantom ............................................................................................................ 10 3.4. ELI phantom ...................................................................................................................... 11 3.5. Data acquisition electronics (DAE) ................................................................................... 11 3.6. Device holder for transmitters ........................................................................................... 12 4. Measurement procedure ................................................................................................... 13 4.1. Scanning procedure .......................................................................................................... 13 5. Description of test position ................................................................................................ 15 5.1. Body-worn accessory configurations ................................................................................ 15 5.2. Extremity exposure configurations .................................................................................... 16 6. RF exposure conditions .................................................................................................... 17 6.1. EUT Test sides .................................................................................................................. 17 6.2. Standalone SAR test exclusion considerations ................................................................ 17 7. SAR system verification procedure ................................................................................... 19 7.1. Tissue simulate liquid ........................................................................................................ 19 7.1.1. Target dielectric properties of head tissue-equivalent material ........................................ 19 7.1.2. Measurement for tissue simulate liquid ............................................................................ 19 7.2. SAR system validation ...................................................................................................... 21 7.2.1. Justification for extended SAR dipole calibrations ............................................................ 22 7.2.2. Validation test setup photograph ...................................................................................... 22 7.2.3. Summary system validation results .................................................................................. 23 7.2.4. Detailed system validation results ..................................................................................... 23 8. Equipment list .................................................................................................................... 24 9. Measurement uncertainty .................................................................................................. 2…

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Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 1 of 3 Appendix A System Validation Plots Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 2 of 3 Table of Contents 1. D2450V2-SN: 904 Validation Plot ..................................................................................... 3 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 3 of 3 1. D2450V2-SN: 904 Validation Plot

Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 1 of 3 Appendix B Highest Test Plots Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 2 of 3 Table of Contents 1. BT Head-worn 0mm SAR ....................................................................................................... 3 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 3 of 3 1. BT Head-worn 0mm SAR

Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 1 of 30 Appendix C Calibration Certification Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 2 of 30 Table of Contents 1. D2450V2-SN: 904 Calibration certification ............................................................................. 3 2. D5GHzV2-SN: 1148 Calibration certification .......................................................................... 9 3. DAE4-SN: 1366 Calibration certification............................................................................... 19 4. EX3DV4-SN: 3906 Calibration certification .......................................................................... 22 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 3 of 30 1. D2450V2-SN: 904 Calibration certification Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 4 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 5 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 6 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 7 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 8 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 9 of 30 2. D5GHzV2-SN: 1148 Calibration certification Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 10 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 11 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 12 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 13 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 14 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 15 of 30

Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 16 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 17 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 18 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 19 of 30 3. DAE4-SN: 1366 Calibration certification Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 20 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 21 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 22 of 30 4. EX3DV4-SN: 3906 Calibration certification Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 23 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 24 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 25 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 26 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 27 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 28 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 29 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 30 of 30

Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 1 of 5 Appendix D Test setup photograph Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 2 of 5 Table of Contents 1. 2.4G Tissue Head-worn Photograph ...................................................................................... 3 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 3 of 5 1. 2.4G Tissue Head-worn Photograph Top Side-0mm Bottom Side-0mm Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 4 of 5 Left Side-0mm Right Side-0mm Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24032615-1E08 Page 5 of 5 Front side-0mm Back Side-0mm

Guangdong Dongdian Testing ServiceCo.,Ltd. Page 1 of 5 Appendix E Dipole Antenna self-calibration Guangdong Dongdian Testing ServiceCo.,Ltd. Page 2 of 5 Table of Contents 1. Calibration Date ...................................................................................................................... 3 2. Calibration Items ..................................................................................................................... 3 3. Standards ................................................................................................................................ 5 4. Laboratory ............................................................................................................................... 5 5. Calibration Results .................................................................................................................. 5 Guangdong Dongdian Testing ServiceCo.,Ltd. Page 3 of 5 1. Calibration Date Calibration Date Oct.20,2023, Due to Oct.19,2024 2. Calibration Items Dipole Antenna self-calibration 1、 Calibration Method Immediate re-calibration is required for the following conditions. 1) According to KDB 865664 D01, When the most recent return-loss result, measured at least annually, deviates by more than 20% from the previous measurement (i.e. value in dB  0.2) or not meeting the required 20 dB minimum return-loss requirement. 2) When the most recent measurement of the real or imaginary parts of the impedance, measured at least annually, deviates by more than 5 Ω from the previous measurement. 3）When the measured SAR deviates from the calibrated SAR value by more than 10% due to changes in physical, mechanical, electrical or other relevant dipole conditions; i.e., the error is not introduced by incorrect measurement procedures or other issues relating to the SAR measurement system. 2、 Calibration Purpose Demonstrate that SAR target, the impedance and return loss of the dipole remain stable as required 3、 Test The Product Manufacturer Speag Name 2450MHz Dipole antenna Model number D2450V2 Environment temperature 20.8°C Look pictures As shown in figure 1 Manufacturer Speag Name 5GHz Dipole antenna Model numbe D5GHZV2 Environment temperature 20.8°C Look pictures As shown in figure 2 Guangdong Dongdian Testing ServiceCo.,Ltd. Page 4 of 5 Figure 1 Test signal source Figure 2 Test signal source Guangdong Dongdian Testing ServiceCo.,Ltd. Page 5 of 5 3. Standards This antenna calibration is conducted according to KDB 865664 D01 4. Laboratory The following personnel participated in this laboratory: Table 1： Participate in the measurement laboratory Laboratory Name Temp°C Test person Guangdong Dongdian Testing Service Co., Ltd. 20.8°C Johnson Huang 5. Calibration Results The quality control test results are shown in Table 2 and Table 3, and the detailed test data is in the attachment Table 2 Calibrated Antenna Target Return loss Test Return loss Deviation Result 2450 -28.825 -28.394 1.50% OK 5200 -24.780 -20.041 19.12% OK 5300 -24.151 -27.179 12.54% OK 5500 -23.082 -25.183 9.10% OK 5600 -22.239 -23.471 5.54% OK Table 3 Calibrated Antenna Target Impedance （Real） Target Impedance （Imaginary Test Impedance （Real） Test Impedance （Imaginary） Deviation （Real） Deviation （Imaginary） Result 2450 53.391 1.586 50.607 2.878 2.784 1.292 OK 5200 49.477 -8.009 52.310 -8.448 2.833 0.439 OK 5300 54.645 -5.723 49.946 -3.293 4.699 2.43 OK 5500 56.887 -4.538 52.061 -5.591 4.826 1.053 OK 5600 56.214 -5.378 52.520 -4.505 3.694 0.873 OK

Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE24032615-1E01 TRF No.: RT-4-E-02-001 RF test report Ver. 1.0 Page 1 of 104 FCC AND ISED CERTIFICATION TEST REPORT Applicant : Dongguan Siyoto Electronics Co., Ltd. Address of Applicant : No.10, North 7th Street, Qiaotou Qiaodong Road, Qiaotou Town, Dongguan City, Guangdong Province, China Manufacturer : Dongguan Siyoto Electronics Co., Ltd. Address of Manufacturer : No.10, North 7th Street, Qiaotou Qiaodong Road, Qiaotou Town, Dongguan City, Guangdong Province, China Equipment under Test : WIRELESS HEADPHONES Model No. : HA-S95N, HA-S75N FCC ID : 2ADZH-S95NS75N IC : 23340-S95NS75N Test Standard(s) : FCC Rules and Regulations Part 15 Subpart C, RSS-247 Issue 3 August 2023, ANSI C63.10:2013, RSS-Gen Issue 5, Apr. 2018, Amendment 2 (February 2021) Report No. : DDT-RE24032615-1E01 Issue Date : 2024/06/07 Issue By : Guangdong Dongdian Testing Service Co., Ltd. Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE24032615-1E01 TRF No.: RT-4-E-02-001 RF test report Ver. 1.0 Page 2 of 104 Table of Contents 1. Summary of Test Results ............................................................................................. 7 2. General Test Information .............................................................................................. 8 2.1. Description of EUT ........................................................................................................ 8 2.2. Accessories of EUT ...................................................................................................... 9 2.3. Block diagram of EUT configuration for test ................................................................. 9 2.4. Decision of final test mode ........................................................................................... 9 2.5. Deviations of test standard ......................................................................................... 10 2.6. Test environment conditions ....................................................................................... 10 2.7. Test laboratory ............................................................................................................ 10 2.8. Measurement uncertainty ........................................................................................... 11 3. Equipment Used During Conductive Test .................................................................. 12 4. 20 dB Bandwidth ......................................................................................................... 13 4.1. Block diagram of test setup ........................................................................................ 13 4.2. Limits ........................................................................................................................... 13 4.3. Test procedure ............................................................................................................ 13 4.4. Test result ................................................................................................................... 14 4.5. Test graphs ................................................................................................................. 15 5. 99% Bandwidth ........................................................................................................... 18 5.1. Block diagram of test setup ........................................................................................ 18 5.2. Limits ........................................................................................................................... 18 5.3. Test procedure ............................................................................................................ 18 5.4. Test result ................................................................................................................... 19 5.5. Test graphs ................................................................................................................. 20 6. Maximum Peak Output Power .................................................................................... 23 6.1. Block diagram of test setup ........................................................................................ 23 6.2. Limits ........................................................................................................................... 23 6.3. Test procedure ............................................................................................................ 23 6.4. Test result ................................................................................................................... 24 6.5. Test graphs ................................................................................................................. 25 7. Carrier Frequency Separation .................................................................................... 28 7.1. Block diagram of test setup ........................................................................................ 28 7.2. Limits ........................................................................................................................... 28 7.3. Test procedure ............................................................................................................ 28 7.4. Test result ................................................................................................................... 29 7.5. Test graphs ................................................................................................................. 30 8. Dwell Time .................................................................................................................. 31 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE24032615-1E01 TRF No.: RT-4-E-02-001 RF test report Ver. 1.0 Page 3 of 104 8.1. Block diagram …

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Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE24032615-1E01 Page 52 of 104 DH5_Ant1_2480_30~1000 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE24032615-1E01 Page 53 of 104 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 2DH5_Ant1_2441_0~Reference Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE24032615-1E01 Page 54 of 104 2DH5_Ant1_2441_30~1000 2DH5_Ant1_2441_1000~26500 2DH5_Ant1_2480_0~Reference Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE24032615-1E01 Page 55 of 104 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 3DH5_Ant1_2402_0~Reference Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE24032615-1E01 Page 56 of 104 3DH5_Ant1_2402_30~1000 3DH5_Ant1_2402_1000~26500 3DH5_Ant1_2441_0~Reference Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE24032615-1E01 Page 57 of 104 3DH5_Ant1_2441_30~1000 3DH5_Ant1_2441_1000~26500 3DH5_Ant1_2480_0~Reference Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE24032615-1E01 Page 58 of 104 3DH5_Ant1_2480_30~1000 3DH5_Ant1_2480_1000~26500 Guangdong D…

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