2AXYP-OEB-E04D-LTrue Wireless Earbuds

Greeny Xian

ORAIMO TECHNOLOGY LIMITED Address:FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL CENTRE 19- 25 SHAN MEI STREET FOTAN NT HONGKONG Tel.: +86-0755-61803856 Email: [email protected] CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 2023-05-08 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID: 2AXYP-OEB-E04D-L ORAIMO TECHNOLOGY LIMITED 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. Sincerely Yours, Signature Greeny Xian Manager ORAIMO TECHNOLOGY LIMITED Address:FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL CENTRE 19- 25 SHAN MEI STREET FOTAN NT HONGKONG

U.S. AGENT LETTER OF ATTESTATION Date: 2023-05-08 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(7) Filing FCC ID: 2AXYP-OEB-E04D-L ORAIMO TECHNOLOGY LIMITED certifies that, as of the date of the filing of the application, Iconsigh Inc. is our designated U.S. agent for service of process for the above referenced FCC ID. ORAIMO TECHNOLOGY LIMITED 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. Iconsigh Inc. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company Name: Iconsigh Inc. Address: 2310 Homestead Road, Suite C1, Los Altos, CA, 94024, USA FRN: 0033398652 Tel.: +1 (408) 320-9867 Email: [email protected] Signed by (printed name): Benjamin Kaur Signature: Applicant: ORAIMO TECHNOLOGY LIMITED Address: FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL CENTRE 19- 25 SHAN MEI STREET FOTAN NT HONGKONG FRN: 0030126577 Tel: +86-0755-61803856 Email: [email protected] Signed by (printed name): Greeny Xian Signature:

ORAIMO TECHNOLOGY LIMITED Address:FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL CENTRE 19- 25 SHAN MEI STREET FOTAN NT HONGKONG Tel.: +86-0755-61803856 Email: [email protected] QA-FR-170-B FCC Authorization Date: 2023-05-08 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, ORAIMO TECHNOLOGY LIMITED hereby authorizes Shenzhen Accurate Technology Co., Ltd. to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Shenzhen Accurate Technology Co., Ltd. on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature Greeny Xian Manager

ORAIMO TECHNOLOGY LIMITED Address:FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL CENTRE 19- 25 SHAN MEI STREET FOTAN NT HONGKONG Tel.: +86-0755-61803856 Email: [email protected] FCC Confidential Authorization Date: 2023-05-08 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AXYP-OEB-E04D-L In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, ORAIMO TECHNOLOGY LIMITED hereby requests long-term confidential treatment of information accompanying this application as outlined below: • Block Diagram • Schematics • Operation Description As well as short-term confidential treatment of information accompanying this application for a period of 180 days after grant is issued as outlined below: • Internal Photos • User’s Manual • External Photos • Test Set-up Photos The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature Greeny Xian Manager

ORAIMO TECHNOLOGY LIMITED Address: FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL CENTRE 19-25 SHAN MEI STREET FOTAN NT Hong Kong Tel.: +86-0755-61803856 E-mail: [email protected] Date: 2023-05-08 FCC certification No. Cover Letter We, ORAIMO TECHNOLOGY LIMITED, hereby submit justification for placing the FCC certification No. in the associated user’s manual and charging case. According to the FCC regulation, the FCC certification No. should be printed on the earbuds, but as the earbuds are too small to print the label (FCC ID: 2AXYP-OEB-E04D-L) , it will be moved to the user manual and charging case. The details are as below: A. Side surface (A): The side surface does not provide enough physical space to fit the printing of the FCC certification No. according to below reference picture. B. Top cover (B): The top cover does not provide enough physical space to fit the printing of the FCC certification No. according to below reference picture. Conclusion: Based on the above description of area A to B, we conclude that the device is unquestionably too small for enabling the FCC certification No. to be printed onto any surface. We therefore request to move the FCC certification No. to the user’s manual and charging case. Label and label location: Best regards, Signature: Greeny Xian Manager

Shenzhen Accurate Technology Co., Ltd. FCC ID:2AXYP-OEB-E04D-L External Photos Page 1 of 4 External Photos Shenzhen Accurate Technology Co., Ltd. FCC ID:2AXYP-OEB-E04D-L External Photos Page 2 of 4 Shenzhen Accurate Technology Co., Ltd. FCC ID:2AXYP-OEB-E04D-L External Photos Page 3 of 4 Shenzhen Accurate Technology Co., Ltd. FCC ID:2AXYP-OEB-E04D-L External Photos Page 4 of 4

Shenzhen Accurate Technology Co., Ltd. Project No.: RA230417-19971E-RF LABEL AND LOCATION Page 1 of 1 FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Shenzhen Accurate Technology Co., Ltd. FCC ID:2AXYP-OEB-E04D-L Internal Photos Page 1 of 3 Internal photos ANT Shenzhen Accurate Technology Co., Ltd. FCC ID:2AXYP-OEB-E04D-L Internal Photos Page 2 of 3 Shenzhen Accurate Technology Co., Ltd. FCC ID:2AXYP-OEB-E04D-L Internal Photos Page 3 of 3

Shenzhen Accurate Technology Co., Ltd. Report No.: RA230417-19971E-RF-00B Version 8: 2023-01-30 Page 13 of 48 FCC- BLE FCC§15.247 (i), §1.1307 (b) (3) &§2.1093 – RF EXPOSURE Applicable Standard According to FCC §2.1093 and §1.1307(b) (1), systems operating under the provisions of this section shall be operated in a manner that ensure that the public is not exposed to radio frequency energy level in excess of the Commission’s guideline. According to KDB 447498 D01 General RF Exposure Guidance The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where 1. f(GHz) is the RF channel transmit frequency in GHz. 2. Power and distance are rounded to the nearest mW and mm before calculation. 3. The result is rounded to one decimal place for comparison. 4. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test Exclusion. Measurement Result For worst case: Mode Frequency (MHz) Max tune-up conducted power (dBm) Max tune-up conducted power (mW) Distance (mm) Calculated value Threshold (1-g SAR) SAR Test Exclusion BLE 2402-2480 2.5 1.78 5 0.6 3.0 Yes Result: Compliant.

深圳合立讯科技有限公司 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905TEL：0755-23591525FAX：0755-23591525 1 承认书 SPECIFICATIONFORAPPROVAL 客户名称 CustomerName 由我 客户项目名Customer ProjectName BS563 合立讯项目名 HelixunProject Name BS563 客户编码 CustomerP/N 合立讯料号 HelixunP/N HLX008-BS563-L-V5 频段 Band 版本号 Versio 2400-2500MHz n A0 设计人信息/DesignerInformation 射频工程师 RFEngineer 黄亚飞 电子工程师 EEEngineer 时震浩 结构工程师 MEEngineer 黄亚飞 合立讯审批/HelixunApproval客户批准/CustomerApproval 制作 PreparedBy 审核 CheckedBy 批准 ApprovalBy 审核 CheckedBy 批准 ApprovalBy 签章 Signature 郭赛赛 日期 Date 2023-4-19 修订履历/ChangeLog 版本 Version 修订内容 ChangeDescription 责任人 PersoninCharge 核准 ApprovalBy 日期 Date Shenzhen Helixun Technology Co., LTD Address:1905, Building 2, Jiufang Square, Tiezai Road, Gongle Community, Xixiang Street, Bao 'an District, Shenzhen 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905TEL：0755-23591525FAX：0755-23591525 深圳合立讯科技有限公司 2 目录/Catalogue 序号 No. 项目 Item 页码 PageNo. 1 图纸或实物图片 DrawingorProductImage 3 2 尺寸测量报告 DimensionsTestReport 4 3 射频性能测试报告 RFPerformanceTestReport 5-13 Shenzhen Helixun Technology Co., LTD Address:1905, Building 2, Jiufang Square, Tiezai Road, Gongle Community, Xixiang Street, Bao 'an District, Shenzhen 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905TEL：0755-23591525FAX：0755-23591525 深圳合立讯科技有限公司 3 产品图纸或实物图片 DrawingorProductImage Shenzhen Helixun Technology Co., LTD Address:1905, Building 2, Jiufang Square, Tiezai Road, Gongle Community, Xixiang Street, Bao 'an District, Shenzhen 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905TEL：0755-23591525FAX：0755-23591525 深圳合立讯科技有限公司 4 样品尺寸测量报告 SampleDimensionsTestReport 客户名称 CustomerName 由我 客户料号 CustomerP/N 合立讯料号 HelixunP/N HLX008-BS563- L-V5 测试日期 TestDate 2023-4-19 样品数量 SampleQty. 3 测试人 Inspector 时震浩 尺寸编号 DimensionNo. 标准 Standard 样品1 Sample1 样品2 Sample2 样品3 Sample3 Pass/NG ①总长 13.00±0.2MM13.2±0.2MM13.00±0.2MM12.8±0.2MM PASS ②长度 9.51±0.2MM9.31±0.2MM9.7±0.2MM9.51±0.2MM PASS ③宽度 5.3±0.2MM5.3±0.2MM5.5±0.2MM5.1±0.2MM PASS ④厚度 0.2±0.02MM0.19±0.02MM0.22±0.02MM0.2±0.02MM PASS ⑤ ⑥ ⑦ 最终结论 Conclusion PASS 测试人&日期 Inspector&Date 时震浩2023-4-19 批准&日期 Approval&Date Shenzhen Helixun Technology Co., LTD Address:1905, Building 2, Jiufang Square, Tiezai Road, Gongle Community, Xixiang Street, Bao 'an District, Shenzhen 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905TEL：0755-23591525FAX：0755-23591525 深圳合立讯科技有限公司 5 射频性能测量报告 RFPerformanceTestReport 客户名称 CustomerName 由我 项目名称 Project Name BS563 合立讯料号 HelixunP/N HLX008-BS563-L- V5 频段 Band 2400-2500MHz 测试日期 TestDate 2023-4-19 测试人 Inspector 时震浩 天线测试设备简介 AntennaTestEquipmentIntroduction 测试天线输入特性使用AgilentE5071CandAgilent5071C矢量网络分析仪；辐射特性利用 ETS三维近场暗室进行测试，并分别使用CMW500和Agilent5071C进行了分析。暗房的测试坐标如 下: TestofantennainputcharacteristicsusingAgilentE5071CandAgilent5071Cvectornetworkanalyzer; TheradiationpatternoftheantennaaretestedusingtheETSstarlab3DnearfieldAnechoicChamber, andtheinstrumentisusedtoagilent8960E5515andAgilentE4438C.Thetestcoordinatesofthedarkroom areasfollows: Shenzhen Helixun Technology Co., LTD Address:1905, Building 2, Jiufang Square, Tiezai Road, Gongle Community, Xixiang Street, Bao 'an District, Shenzhen 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905TEL：0755-23591525FAX：0755-23591525 深圳合立讯科技有限公司 6 SequenceNumberTestItemequipment SparameterVSWRAgilent5071C&Agilent5071B OTATestTRP&TISAgilent8960&CMW500STIMO Gain&EfficiencyGain&Efficiency SATIMO Agilent5071C Shenzhen Helixun Technology Co., LTD Address:1905, Building 2, Jiufang Square, Tiezai Road, Gongle Community, Xixiang Street, Bao 'an District, Shenzhen 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905TEL：0755-23591525FAX：0755-23591525 深圳合立讯科技有限公司 7 Frequency(MHz)2400245024802500 VSWR2.411.201.381.93 S11Parameter-VSWR S11Parameter-LogMag Shenzhen Helixun Technology Co., LTD Address:1905, Building 2, Jiufang Square, Tiezai Road, Gongle Community, Xixiang Street, Bao 'an District, Shenzhen 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905TEL：0755-23591525FAX：0755-23591525 深圳合立讯科技有限公司 8 Frequency(MHz)2400245024802500 LogMag-7.65-20.58-15.87-9.91 Frequency(MHz)2400245024802500 Smith(Ω)24.2142.4568.2787.18 S11Parameter-Smith Gain&Efficiency——ANT Shenzhen Helixun Technology Co., LTD Address:1905, Building 2, Jiufang Square, Tiezai Road, Gongle Community, Xixiang Street, Bao 'an District, Shenzhen 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905TEL：0755-23591525FAX：0755-23591525 深圳合立讯科技有限公司 9 Frequency(MHz)Efficiency(%)MaxGAIN(dBi) 2400 30.910.55 2410 31.050.5 2420 30.62-0.13 2430 30.340.21 2440 30.69-0.07 2450 30.34-0.53 2460 31.26-0.52 2470 31.19-0.77 2480 31.62-0.41 2490 31.84-0.37 2500 30.910.55 2DPattern——BTANT Shenzhen Helixun Technology Co., LTD Address:1905, Building 2, Jiufang Square, Tiezai Road, Gongle Community, Xixiang Street, Bao 'an District, Shenzhen 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905TEL：0755-23591525FAX：0755-23591525 深圳合立讯科技有限公司 10 Shenzhen Helixun Technology Co., LTD Address:1905, Building 2, Jiufang Square, Tiezai Road, Gongle Community, Xixiang Street, Bao 'an District, Shenzhen 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905TEL：0755-23591525FAX：0755-23591525 深圳合立讯科技有限公司 11 Shenzhen Helixun Technology Co., LTD Address:1905, Building 2, Jiufang Square, Tiezai Road, Gongle Community, Xixiang Street, Bao 'an District, Shenzhen 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905TEL：0755-23591525FAX：0755-23591525 深圳合立讯科技有限公司 12 Shenzhen Helixun Technology Co., LTD Address:1905, Building 2, Jiufang Square, Tiezai Road, Gongle Community, Xixiang Street, Bao 'an District, Shenzhen 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905TEL：0755-23591525FAX：0755-23591525 深圳合立讯科技有限公司 13 Shenzhen Helixun Technology Co., LTD Address:1905, Building 2, Jiufang Square, Tiezai Road, Gongle Community, Xixiang Street, Bao 'an District, Shenzhen

★ Note: This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “ ”. Shenzhen Accurate Technology Co., Ltd. is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. Shenzhen Accurate Technology Co., Ltd. 1/F., Building A, Changyuan New Material Port, Science & Industry Park, Nanshan District, Shenzhen, Guangdong, P.R. China Tel: +86 755-26503290 Fax: +86 755-26503290 Web: www.atc-lab.com Version 8: 2023-01-30 Page 1 of 48 FCC- BLE TEST REPORT Applicant Name : ORAIMO TECHNOLOGY LIMITED Address : FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL CENTRE 19-25 SHAN MEI STREET FOTAN NT HONGKONG Report Number : RA230417-19971E-RF-00B FCC ID: 2AXYP-OEB-E04D-L Test Standard (s) FCC PART 15.247 Sample Description Product Type: True Wireless Earbuds Model No.: OEB-E04D Multiple Model(s) No.: N/A Trade Mark: oraimo Date Received: 2023/04/17 Report Date: 2023/05/09 Test Result: Pass* * In the configuration tested, the EUT complied with the standards above. Prepared and Checked By: Approved By: Dave Liang Candy Li EMC Engineer EMC Engineer Shenzhen Accurate Technology Co., Ltd. Report No.: RA230417-19971E-RF-00B Version 8: 2023-01-30 Page 2 of 48 FCC- BLE TABLE OF CONTENTS DOCUMENT REVISION HISTORY ......................................................................................................................... 4 GENERAL INFORMATION ....................................................................................................................................... 5 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 5 OBJECTIVE ................................................................................................................................................................... 5 TEST METHODOLOGY .................................................................................................................................................. 5 MEASUREMENT UNCERTAINTY .................................................................................................................................... 6 SYSTEM TEST CONFIGURATION .......................................................................................................................... 7 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 7 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 7 EUT EXERCISE SOFTWARE .......................................................................................................................................... 8 DUTY CYCLE ................................................................................................................................................................ 8 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 8 EXTERNAL I/O CABLE .................................................................................................................................................. 8 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 9 SUMMARY OF TEST RESULTS ............................................................................................................................. 10 TEST EQUIPMENT LIST ......................................................................................................................................... 11 FCC§15.247 (I), §1.1307 (B) (3) &§2.1093 – RF EXPOSURE ..................................................................................... 13 APPLICABLE STANDARD ............................................................................................................................................ 13 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 14 APPLICABLE STANDARD ............................................................................................................................................ 14 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 14 FCC §15.209, §15.205 & §15.247(D) - SPURIOUS EMISSIONS ............................................................................ 15 APPLICABLE STANDARD ............................................................................................................................................ 15 EUT SETUP ................................................................................................................................................................ 15 EMI TEST RECEIVER & SPECTRUM ANALYZER SETUP .............................................................................................. 16 TEST PROCEDURE ...................................................................................................................................................... 16 FACTOR & MARGIN CALCULATION ............................................................................................................…

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Shenzhen Accurate Technology Co., Ltd. Project No.: RA230417-19971E-RF Test Photos Page 1 of 1 Photo of Radiated Emission Measurement (Below 1G) Photo of Radiated Emission Measurement (Above 1G)