2BFVL-CIC60RHearing aids (CIC)

Yeasound (Xiamen) Hearing Technology Co., Ltd No.668 Hu'an Road, Huli District, Xiamen China Tel: +86 0592-5702000 Extension: 3099 Email: [email protected] Date: 2026-07-15 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, Our product Hearing aids (CIC), Model: RBN CIC60P, RBN CIC60, RBN CIC70; FCC ID: 2BFVL-CIC60R, for marketing purpose, this product only supports BLE 1M/2M. The other functions, bands and modes has been shielded by the manufacturer using the software, the end user has no capability to activate it. Sincerely Yours, Signature: Alina Zeng QMS & Compliance Manager

Yeasound (Xiamen) Hearing Technology Co., Ltd No.668 Hu'an Road, Huli District, Xiamen China Tel: +86 0592-5702000 Extension: 3099 Email: [email protected] CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 2026-07-15 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: 2BFVL-CIC60R Yeasound (Xiamen) Hearing Technology Co., Ltd 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, Signature: Alina Zeng QMS & Compliance Manager

Yeasound (Xiamen) Hearing Technology Co., Ltd No.668 Hu'an Road, Huli District, Xiamen China Tel: +86 0592-5702000 Extension: 3099 Email: [email protected] CFR 47 §2.911 (d)(5)(ii) Attestation Letter Attestation Letter Date: 2026-07-15 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(ii) Filing FCC ID: 2BFVL-CIC60R Yeasound (Xiamen) Hearing Technology Co., Ltd 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. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely, Signature: Alina Zeng QMS & Compliance Manager

U.S. AGENT LETTER OF ATTESTATION Date: 2026-07-15 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: 2BFVL-CIC60R Yeasound (Xiamen) Hearing Technology Co., Ltd certifies that, as of the date of the filing of the application, Iconsigh is our designated U.S. agent for service of process for the above referenced FCC ID. Yeasound (Xiamen) Hearing Technology Co., Ltd 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 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 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: Yeasound (Xiamen) Hearing Technology Co., Ltd Address: No.668 Hu'an Road, Huli District, Xiamen China FRN: 0035247196 Tel: +86 0592-5702000 Extension: 3099 Email: [email protected] Signed by (printed name): Alina Zeng Signature:

Yeasound (Xiamen) Hearing Technology Co., Ltd No.668 Hu'an Road, Huli District, Xiamen China Tel: +86 0592-5702000 Extension: 3099 Email: [email protected] QA-FR-170-B 7/29/2014 FCC Authorization Date: 2026-07-15 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We Yeasound (Xiamen) Hearing Technology Co., Ltd, the undersigned, hereby authorizes Bay Area Compliance Laboratories Corp. (Shenzhen) 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 Bay Area Compliance Laboratories Corp. (Shenzhen) 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: Alina Zeng QMS & Compliance Manager

Yeasound (Xiamen) Hearing Technology Co., Ltd No.668 Hu'an Road, Huli District, Xiamen China Tel: +86 0592-5702000 Extension: 3099 Email: [email protected] FCC Confidential Authorization Date: 2026-07-15 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2BFVL-CIC60R In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Yeasound (Xiamen) Hearing Technology Co., Ltd 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: Alina Zeng QMS & Compliance Manager

Yeasound (Xiamen) Hearing Technology Co., Ltd No.668 Hu'an Road, Huli District, Xiamen China Tel: +86 0592-5702000 Extension: 3099 Email: [email protected] Product Similarity Declaration Date: 2026-07-15 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, We, Yeasound (Xiamen) Hearing Technology Co., Ltd, hereby declare that we have a product named as Hearing aids (CIC), model: RBN CIC60P, FCC ID: 2BFVL-CIC60R was tested by Bay Area Compliance Laboratories Corp. (Shenzhen). Meanwhile, for our marketing purpose, we would like to list a series model(RBN CIC60，RBN CIC70) on reports and certificate, all the models are identical in electrically, they only have different model name and software version number (It does not affect the RF parameters). No other changes are made on them. We confirm that all information above is true, and we’ll be responsible for all the consequences. Please contact me if you have any question. Sincerely, Signature: Alina Zeng QMS & Compliance Manager

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601U08531E-RF-00A TR-EM-RF003 Page 23 of 72 Version 4.1 RF EXPOSURE EVALUATION RF EXPOSURE EVALUATION 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 v06. 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 BLE2402-248042.5150.83Yes Result: Compliant

Speci f i cat i ons Summar y Antenna Photo & L ength ANT Type:MonopoleANT Model:CIC200 antenna 2402MHz 2442MHz Antenna Specification ANT Size M AX. GAI N-0.70 dBi I mpedance50 ohm Manufactory: Yeasound (Xiamen) Hearing Technology Co., Ltd No.668 Hu'an Road, Huli District, Xiamen China I TEMSPE C . M odel N ame2.4GH z C ent er F r equency 2402 M H z-2.40 dBi 2442 M H z-1.63 dBi 2480 M H z-0.70 dBi 3D2D（X->Y;X->Z;Y->Z) 3D2D（X->Y;X->Z;Y->Z) 2480MHz Point Values Minimum Gain (dBi)Maximum Gain (dBi) Average Gain (dBi) Frequency (MHz) 2402 -10.71-2.40-6.27 2442 -10.22-1.63-5.47 2480 -8.93-0.70-4.98 3D2D（X->Y;X->Z;Y->Z)

Note: The information marked # is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included. 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. This report must not be used by the customer to claim product certification, approval, or endorsement by NVLAP or any agency of the U.S. Government. This report may contain data that are not covered by the NVLAP accreditation and are marked with an asterisk “▼”. Bay Area Compliance Laboratories Corp. (Shenzhen) 5F(B-West) , 6F, 7F, the 3rd Phase of Wan Li Industrial Building D, Shihua Rd, FuTian Free Trade Zone, Shenzhen, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn TR-EM-RF003 Page 1 of 72 Version 4.1 TEST REPORT Applicant Name:Yeasound (Xiamen) Hearing Technology Co., Ltd Address:No.668 Hu'an Road, Huli District, Xiamen China Report Number:2601U08531E-RF-00A FCC ID:2BFVL-CIC60R Test Standard (s) FCC PART 15.247 Sample Description Product Type:Hearing aids (CIC) Model No.:RBN CIC60P Multiple Model(s) No.:RBN CIC60, RBN CIC70 Trade Mark: Date Received:2026-06-08 Issue Date:2026-07-29 Test Result:Pass ▲ ▲ In the configuration tested, the EUT complied with the standards above. Prepared and Checked By:Approved By: Cheeb HuangNancy Wang RF EngineerRF Supervisor Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601U08531E-RF-00A TR-EM-RF003 Page 2 of 72 Version 4.1 TABLE OF CONTENTS DOCUMENT REVISION HISTORY ..........................................................................................................................3 GENERAL INFORMATION ........................................................................................................................................4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT)......................................................................................4 OBJECTIVE ....................................................................................................................................................................4 TEST METHODOLOGY....................................................................................................................................................4 MEASUREMENT UNCERTAINTY .....................................................................................................................................5 TEST FACILITY ..............................................................................................................................................................5 SYSTEM TEST CONFIGURATION ...........................................................................................................................6 SUMMARY OF TEST RESULTS ................................................................................................................................8 TEST EQUIPMENT LIST ............................................................................................................................................9 REQUIREMENTS AND TEST PROCEDURES ......................................................................................................11 AC LINE CONDUCTED EMISSIONS...............................................................................................................................11 UNWANTED EMISSION FREQUENCIES AND RESTRICTED BANDS .................................................................................13 6 DB EMISSION BANDWIDTH & 99% OCCUPIED BANDWIDTH....................................................................................16 PEAK OUTPUT POWER MEASUREMENT .......................................................................................................................18 POWER SPECTRAL DENSITY ........................................................................................................................................19 100 KHZ BANDWIDTH OF FREQUENCY BAND EDGE....................................................................................................20 CONDUCTED SPURIOUS EMISSION...............................................................................................................................21 DUTY CYCLE ...............................................................................................................................................................22 RF EXPOSURE EVALUATION ................................................................................................................................23 ANTENNA REQUIREMENT .....................................................................................................................................24 TEST DATA AND RESULTS .....................................................................................................................................25 UNWANTED EMISSION FREQUENCIES AND RESTRICTED BANDS .................................................................................25 RF CONDUCTED DATA ................................................................................................................................................59 6dB Emission Bandwidth.......................................................................................................................................60 99% Occupied Bandwidth .....................................................................................................................................62 Maximum Conducted Output Power .......................................................................................................…

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