APITUNEBUDS2BLUETOOTH HEADSET

Harman International Industries, Inc Covered Equipment Certification Attestation Letter 2024-07-05 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID:APITUNEBUDS2 Harman International Industries, Inc (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List , the applicant should include an explanation on why the equipment is not “covered” equipment. Harman International Industries, Inc (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Signed: Printed name: Terry Shi Title: Senior Prin.Engineer,Regulatory Compliance, Quality Company Name: Harman International Industries, Inc Address: 8500 Balboa Boulevard, Northridge, CA 91329, United States Phone: 86-75523189391 E-Mail: [email protected] Date: 2024-07-05

Harman International Industries, Inc Harman International Industries, Inc 8500 Balboa Boulevard, Northridge, CA 91329, United States Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia,MD 21046 USA 2024-07-05 Attestation Statement according to 2.911(d)(7) FCC ID: APITUNEBUDS2 TO WHOM IT MAY CONCERN: We, Harman International Industries, Inc designate ourselves to act as U.S. agent for service of process. Harman International Industries, Inc hereby acknowledges the obligation of the U.S. agent for service of process. Further Harman International Industries, Inc accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Sincerely Signature: Company name: Harman International Industries, Inc FRN: 0024748147 Address: 8500 Balboa Boulevard, Northridge, CA 91329, United States Contact Person: Terry Shi Telephone No: 86-75523189391 Email: [email protected]

Harman International Industries, Inc. Product Similarity Declaration 2024-07-05 The product:BLUETOOTH HEADSET Model: TUNE BUDS 2 FCC ID:APITUNEBUDS2 We (Harman International Industries, Inc.) hereby declare that the left side and the right side of the headset using the same RF chip, PCB because of the left and right ear layout needs to be different but does not affect the RF characteristics, so they can use one same FCC ID. Sincerely, Signed : Printed name: Terry Shi Title: Prin.Engineer,Regulatory Compliance, Quality Company Name: Harman International Industries, Inc. Address: 8500 Balboa Boulevard, Northridge, CA 91329, United States Phone: 86-75523189391 E-Mail: [email protected] Date: 2024-07-05

Harman International Industries, Inc 2024-07-05 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 REQUEST FOR CONFIDENTIALITY – FCC FCC ID: APITUNEBUDS2 Pursuant to Sections 0.457(d) and 0.459 of the Commission’s Rules andFCC Guidance document 726920, we hereby request permanent confidential treatment of exhibits identified as such in the table below and request they are permanently withheld from public review based on the documents containing trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. We also request short-term confidentiality on certain exhibits until the intended date of marketing as outlined below. We request the exhibits be withheld from public view for a period ofinsert number of 180 days (cannot exceed 180 days)days. We attest marketing of the product will only commence after the period of short-term confidentiality expires, or if marketing is to commence beforethe requested number of days listed above, the grantee will inform Nemko to release the Short-Term Confidentiality information withheld on the FCC equipment authorization website. ExhibitType of Confidentiality Requested Block Diagrams ☒Permanent ☐Short Term External Photos------------------☒Short Term Internal Photos☐Permanent*☒Short Term Operation Description ☒Permanent ☐Short Term Parts List & Placement/BOM ☐Permanent☐Short Term Tune-Up Procedure ☒Permanent ☐Short Term Schematic Diagrams☒Permanent ☐ Short Term Test Setup Photos------------------☒Short Term User’s Manual ☐ Permanent* ☒Short Term The asterisked items (*) require further information to be provided in this justification letter before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731and review section II, 3) regarding specific information that must accompany these requests. Note:any documents held under the Short-Term confidentiality will automatically become public after the requested time if an appropriate extension request has not been received. Any exhibits (i.e., schematic diagrams) that may have already been requested to have “Permanent” confidentiality as shown above need not be repeated under Short-Term confidentiality request. Sincerely, Signed: Printed name: Terry Shi Title: Senior Prin.Engineer,Regulatory Compliance, Quality Company Name: Harman International Industries, Inc Address: 8500 Balboa Boulevard, Northridge, CA 91329, United States Phone: 86-75523189391 E-Mail: [email protected] Date: 2024-07-05

Harman International Industries, Inc 2024-07-05 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 AUTHORITY TO ACT AS AGENT - FCC On our behalf, I appointDamon Hu,Guangdong Dongdian Testing Service Co.,Ltd.( Unit 2, Building 1, No.17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808) , to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in FCC regulations will have affixed to it a label identical to that submitted for approval with this application. In signing this letter, Applicant certifies that neither the applicant nor any party to the application is not subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, as specified by Nemko North America Inc., still residesstill resides with us. Sincerely, Printed name: Terry Shi Title: Senior Prin.Engineer,Regulatory Compliance, Quality Company Name: Harman International Industries, Inc Address: 8500 Balboa Boulevard, Northridge, CA 91329, United States Phone: 86-75523189391 E-Mail: [email protected] Date: 2024-07-05

Harman International. Confidential. Copyright © 2024 Global version JBL TUNE BUDS 2 COMPLIANCE In-mold high glossy Debossed 0.1mm (Refer to last generation) COMPLIANCE 2mm INPUT/输入: 5V 1A FCC ID: APITUNEBUDS2 R-R-SEC-TUNEBUDS2 laser etching (refer to Tune Buds) COMPLIANCE MADE IN CHINA/СДЕЛАНО В КИТАЕ/中国制造 IC: 6132A-TUNEBUDS2 CHARGING CASE/充电盒 MODEL/型号: TUNE BUDS 2 BLUETOOTH HEADSET/蓝牙耳机 A/S 연락처: 02-553-3494 XXXXX/SDPPI/XXXX/XXXX ANATEL: XXXXX-XX-XXXXX MODEL/型号: TUNE BUDS 2C BATTERY CAPACITY: 3.8V, 630mAh, 2.394Wh OUTPUT/输出: 5V 140mA*2 Harman International. Confidential. Copyright © 2024 Ghost version JBL TUNE BUDS 2 COMPLIANCE laser etching (refer to Tune Buds) COMPLIANCE 2mm finishing: Matte translucent Silk screen #BLACK SKU: Pantone Black C #WHITE SKU: APPLE WHITE #PURPLE SKU:2655 C (refer to ink fill color) COMPLIANCE MODEL/型号: TUNE BUDS 2BLUETOOTH HEADSET/蓝牙耳机 MADE IN CHINA/ СДЕЛАНО В КИТАЕ/中国制造 FCC ID: APITUNEBUDS2 IC: 6132A-TUNEBUDS2 A/S 연락처: 02-553-3494 XXXXX/SDPPI/XXXX/XXXX BATTERY CAPACITY: 3.8V, 630mAh, 2.394Wh OUTPUT/输出: 5V 140mA*2 R-R-SEC-TUNEBUDS2 CHARGING CASE/ 充电盒 MODEL/型号: TUNE BUDS 2C CMIIT ID: XXXXXXXXXXX INPUT/输入: 5V 1A

QR/RD-P01-06B SPECIFICATION 深圳市大显科技有限公司 ShenzhenDaxianTechnologyCo.,Ltd. 通力TuneBuds2左耳蓝牙天线 TonlyTuneBuds2LeftAntenna 产品规格书 ProductSpecification 客户 connection 通力 Tonly 频段 frequencyrange 2402~2480MHz 项目名称 entryname TuneBusds2 版本 edition 物料编号 MaterialN V5.0 o 1B-uds-2-004 颜色 Color 黄色 Yellow 客户料号 CustomerItem Number 290000-019546 RF设计 RFDesign 胡鹏 Peng.Hu 结构设计 StructuralDesign 周锐斌 RuiBin.Zhou 品质经理 QualityManager 杨进 Jin.Yang 技术总监 TechnicalDirector 张磊 Lei.Zhang 日期 Date 2024-5-9 深圳市大显科技有限公司 ShenzhenDaxianTechnologyCo.,Ltd. 深圳市龙岗区布吉镇吉华路513号上水径村（国防培训基地 对面）达成工业园综合楼7楼 TEL:0755-28576002 FAX:0755-84276383 上海分部：上海市张江高科技园区集成电路产业区龙东大道 3000号8号楼201室 TEL:021-61630552 FAX:755-84276383 BujiTown,LonggangDistrict,Shenzhen,ChinaJihuaRoad513, ShangshuijingVillage(oppositethenationaldefense trainingbase)DachengIndustrialPark,Building7。 TEL:0755-28576002 FAX:0755-84276383 Room201,Building8,LongDongRoad3000#,SemiconductorIndustry Park,ZhangJiangHitechZone,ShangHai TEL:021-61630552 FAX:755-84276383 客户确认： Customerconfirmation: 装配是否符合贵司要求：□OK□NG Whethertheassemblymeetsyourcompany'srequirements：□OK□NG ConfidentialInformation www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page2 变更履历 Revisionhistory 版本号 Versionnumber 变更内容 Changecontent 变更理由 Reasonforchange 发起变更方 Originating Party 日期 Date 修改人 Modifiedby V1.0 创建 found V1. 2024-5-9 1 ConfidentialInformation www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page3 索引 Indexes 一、项目说明ProjectDescription...................................................................................................................4 二、BT天线antenna..............................................................................................................4 1、规格specifications.................................................................................................4 1.1电气规格标准Electricalspecificationsandstandards........................................................5 1.1.1电性能指标Electricalperformanceindex................................................................5 1.1.2天线位置图片Antennapositionpicture....................................................................5 1.2结构规格标准Structuralspecificationsandstandards....................................................5 1.2.1天线组成Antennacomposition.............................................................................5 1.2.2天线匹配Antennamatching...................................................................................5 2、测试环境testingenvironment............................................................................................6 3、测试test.....................................................................................................................7 3.1驻波(VSWR)的测试Testofstandingwave(VSWR)........................................................7 3.1.1测试连接Testconnection.......................................................................................7 3.2效率、功率（TRP）、灵敏度（TIS）的测试Testingofefficiency,power(TRP),sensitivity(TIS)..................7 3.2.1测试的场地Testsite..............................................................................................7 3.2.2测试的仪表TestedInstruments..............................................................................7 3.2.3测试数据testdata...............................................................................................7-8 4、VSWR参数图Parameterdiagram..................................................................................................9-10 5、有源场型图PassiveFieldPatternDiagram....................................................................................11-12 6、无源场型图Passivefieldpatterndiagram.......................................................................................13-14 7、天线装机事项Antennainstallationmatters....................................................................................15-16 9、结论conclusion........................................................................................................................................16 三、工程图scheduledrawing................................................................................................17 ConfidentialInformation www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page4 一项目说明ProjectDescription 客户名： CustomerName： 通力 Tonly 整机类型： Typeofcomplete machine： 蓝牙耳机 bluetoothheadset 天线频段： Antennaband： 2402~2480MHz 天线形式： Antennaform： FPC 馈电形式： Feedform： 顶针 Thimble 馈脚数量： Numberoffeedlegs： 两个 Two 硬件版本： Hardwareversion： 主板:左耳 Mainboard:Leftear 二BT天线BTAntenna 1规格specifications 本报告主要提供 TuneBusds2 项目天线的各项电气和结构性能参数的测试状况。下图为大显 设计的天线图片。 Thisreportmainlyprovidesthetestingstatusofvariouselectricalandstructuralperformance parametersoftheantennafortheTuneBusds2project.Thefollowingimageshowsanantennawitha largedisplaydesign. 天线外观图 antennaappearingdiagram ConfidentialInformation www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page5 1.1 电气规格标准 Electricalspecificationsandstandards 1.1.1 电性能指标 Electricalperformanceindex 天线工作频段在2402~2480MHz。下表是大显设计和量产天线的电性能的指标. Theoperatingfrequencybandoftheantennaisbetween2402and2480MHz.Thefollowingtable showstheelectricalperformanceindicatorsofla…

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QR/RD-P01-06B SPECIFICATION 深圳市大显科技有限公司 ShenzhenDaxianTechnologyCo.,Ltd. 通力TuneBuds2右耳蓝牙天线 TonlyTuneBuds2RightAntenna 产品规格书 ProductSpecification 客户 connection 通力 Tonly 频段 frequencyrange 2402~2480MHz 项目名称 entryname TuneBusds2 版本 edition 物料编号 MaterialN V5.0 o 2B-uds-2-004 颜色 Color 黄色 Yellow 客户料号 CustomerItem Number 290000-019545 RF设计 RFDesign 胡鹏 Peng.Hu 结构设计 StructuralDesign 周锐斌 RuiBin.Zhou 品质经理 QualityManager 杨进 Jin.Yang 技术总监 TechnicalDirector 张磊 Lei.Zhang 日期 Date 2024-5-9 深圳市大显科技有限公司 ShenzhenDaxianTechnologyCo.,Ltd. 深圳市龙岗区布吉镇吉华路513号上水径村（国防培训基地 对面）达成工业园综合楼7楼 TEL:0755-28576002 FAX:0755-84276383 上海分部：上海市张江高科技园区集成电路产业区龙东大道 3000号8号楼201室 TEL:021-61630552 FAX:755-84276383 BujiTown,LonggangDistrict,Shenzhen,ChinaJihuaRoad513, ShangshuijingVillage(oppositethenationaldefense trainingbase)DachengIndustrialPark,Building7。 TEL:0755-28576002 FAX:0755-84276383 Room201,Building8,LongDongRoad3000#,SemiconductorIndustry Park,ZhangJiangHitechZone,ShangHai TEL:021-61630552 FAX:755-84276383 客户确认： Customerconfirmation: 装配是否符合贵司要求：□OK□NG Whethertheassemblymeetsyourcompany'srequirements：□OK□NG ConfidentialInformation www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page2 变更履历 Revisionhistory 版本号 Versionnumber 变更内容 Changecontent 变更理由 Reasonforchange 发起变更方 Originating Party 日期 Date 修改人 Modifiedby V1.0 创建 found V1. 2024-5-9 1 ConfidentialInformation www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page3 索引 Indexes 一、项目说明ProjectDescription...................................................................................................................4 二、BT天线antenna..............................................................................................................4 1、规格specifications.................................................................................................4 1.1电气规格标准Electricalspecificationsandstandards........................................................5 1.1.1电性能指标Electricalperformanceindex................................................................5 1.1.2天线位置图片Antennapositionpicture....................................................................5 1.2结构规格标准Structuralspecificationsandstandards....................................................5 1.2.1天线组成Antennacomposition.............................................................................5 1.2.2天线匹配Antennamatching...................................................................................5 2、测试环境testingenvironment............................................................................................6 3、测试test.....................................................................................................................7 3.1驻波(VSWR)的测试Testofstandingwave(VSWR)........................................................7 3.1.1测试连接Testconnection.......................................................................................7 3.2效率、功率（TRP）、灵敏度（TIS）的测试Testingofefficiency,power(TRP),sensitivity(TIS)..................7 3.2.1测试的场地Testsite..............................................................................................7 3.2.2测试的仪表TestedInstruments..............................................................................7 3.2.3测试数据testdata...............................................................................................7-8 4、VSWR参数图Parameterdiagram..................................................................................................9-10 5、有源场型图PassiveFieldPatternDiagram....................................................................................11-12 6、无源场型图Passivefieldpatterndiagram.......................................................................................13-14 7、天线装机事项Antennainstallationmatters....................................................................................15-16 9、结论conclusion........................................................................................................................................16 三、工程图scheduledrawing................................................................................................17 ConfidentialInformation www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page4 一项目说明ProjectDescription 客户名： CustomerName： 通力 Tonly 整机类型： Typeofcomplete machine： 蓝牙耳机 bluetoothheadset 天线频段： Antennaband： 2400~2500MHz 天线形式： Antennaform： FPC 馈电形式： Feedform： 顶针 Thimle 馈脚数量： Numberoffeedlegs： 两个 Two 硬件版本： Hardwareversion： 主板:右耳 Mainboard:rightear 二BT天线BTAntenna 1规格specifications 本报告主要提供 TuneBusds2 项目天线的各项电气和结构性能参数的测试状况。下图为大显 设计的天线图片。 Thisreportmainlyprovidesthetestingstatusofvariouselectricalandstructuralperformance parametersoftheantennafortheTuneBusds2project.Thefollowingimageshowsanantennawitha largedisplaydesign. 天线外观图 antennaappearingdiagram ConfidentialInformation www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page5 1.1 电气规格标准 Electricalspecificationsandstandards 1.1.1 电性能指标 Electricalperformanceindex 天线工作频段在2402~2480MHz。下表是大显设计和量产天线的电性能的指标. Theoperatingfrequencybandoftheantennaisbetween2402and2480MHz.Thefollowingtable showstheelectricalperformanceindicatorsofl…

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Guangdong Dongdian Testing Service Co., Ltd. Report No.: DDT-RE24061107-1E08 TRF No.: RT-4-E-02-601 FCC SAR Test Report Ver.1.1 Page 1 of 29 FCC AND ISED SAR TEST REPORT Applicant : Harman International Industries, Inc. Address of Applicant : 8500 Balboa Boulevard, Northridge, CA 91329, UNITED STATES Manufacturer : Harman International Industries, Inc. Address of Manufacturer : 8500 Balboa Boulevard, Northridge, CA 91329, UNITED STATES Equipment under Test : BLUETOOTH HEADSET Model No. : TUNE BUDS 2 FCC ID : APITUNEBUDS2 IC : 6132A-TUNEBUDS2 Test Standard(s) : Test Standard Used: IEEE Std. 1528-2013; IEC/IEEE 62209-1528:2020 FCC Rules and Regulations: 47 CFR § 2.1093 ISED Rules and Regulations: RSS-102 Issue5, Mar. 2015 Test Procedure Used: KDB447498 D04 v01, KDB 865664 D01 v01r04, KDB 865664 D02 v01r02 Report No. : DDT-RE24061107-1E08 Issue Date : 2024/07/03 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-RE24061107-1E08 TRF No.: RT-4-E-02-601 FCC SAR Test Report Ver.1.1 Page 2 of 29 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 ............................................................................................... 6 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 .................................................................................................. 25 Guangdong Dongdian Testing Service Co., Ltd. Report No.: DDT-RE24061107-1E08 TRF No.: RT-4-E-02-601 FCC SAR Tes…

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Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 1 of 3 Appendix A System Validation Plots Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 2 of 3 Table of Contents 1. D2450V2-SN: 904 Validation Plot ..................................................................................... 3 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 3 of 3 1. D2450V2-SN: 904 Validation Plot

Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 1 of 4 Appendix B Highest Test Plots Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 2 of 4 Table of Contents 1. BT Head-worn 0mm SAR ....................................................................................................... 3 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 3 of 4 1. BT Head-worn 0mm SAR Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 4 of 4

Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 1 of 30 Appendix C Calibration Certification Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 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-RE24061107-1E08 Page 3 of 30 1. D2450V2-SN: 904 Calibration certification Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 4 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 5 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 6 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 7 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 8 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 9 of 30 2. D5GHzV2-SN: 1148 Calibration certification Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 10 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 11 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 12 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 13 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 14 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 15 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 16 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 17 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 18 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 19 of 30 3. DAE4-SN: 1366 Calibration certification Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE24061107-1E08 Page 20 of 30 Guangd…

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