APILIVEBUDS4CHEADSET CHARGING CASE

Certification Designating a U.S. Agent for Service of Process Date: 03 September 2026 To: Federal Communications Commission 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Section 2.911(d)(7) filing FCC ID: APILIVEBUDS4C [Harman International Industries, Inc] (“the applicant”) as required by section 2.911(d)(7), will also serve as the agent for service of process for the above referenced FCC ID. The applicant acknowledges that they will 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. The applicant further acknowledges their responsibility to inform the FCC whenever the agent information changes. FCC US Agent from Applicant Company Company Name: Harman International Industries, Inc Contact Name: Terry Shi Address: 8500 Balboa Blvd, Northridge, California, 91325, United States Phone No.: 818-895-8173 Email Address: [email protected] FCC FRN (optional): 0024748147 Sincerely yours, Applicant Signature Printed Name: Terry Shi Title: Prin.Engineer,Regulatory Compliance, Quality Email: [email protected]

Attestation Statements Not Covered Entity Applicant To: Federal Communications Commission Date: 03 September 2026 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(ii) filing FCC ID: APILIVEBUDS4C [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 a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely yours, Applicant Signature Printed Name: Terry Shi Title: Prin.Engineer,Regulatory Compliance, Quality Address: 8500 Balboa Blvd, Northridge, California, 91325, United States Tel.: +818-895-8173 Email: [email protected]

Attestation Statements Not Covered Equipment To: Federal Communications Commission Date: 03 September 2026 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) filing FCC ID: APILIVEBUDS4C [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. Sincerely yours, Applicant Signature Printed Name: Terry Shi Title: Prin.Engineer,Regulatory Compliance, Quality Address: 8500 Balboa Blvd, Northridge, California, 91325, United States Tel.: +818-895-8173 Email: [email protected]

Page 1 of 1 Authority to Act as Agent Date: 03 September 2026 TUV Rheinland of North America, Inc. 1279 Quarry Lane., Suite. A Pleasanton, CA 94566 To Whom It May Concern: I appoint TUV Rheinland (Shenzhen) Co., Ltd. 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 the FCC or Industry Canada’s regulations will have affixed to it a label identical to that submitted for approval with this application. 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 TUV Rheinland Group, still resides with Harman International Industries, Inc and 8500 Balboa Blvd, Northridge, California, 91325, United States _________. For TCB applications, We certify that we are not subject to 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. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you, Agency Agreement Date: _03 September 2026__ Agreement is valid for 12 months from the above date. By: __________________________ _ Terry Shi _________________________ (Signature) (Print name) Prin.Engineer,Regulatory Compliance, Quality 818-895-8173__________________________ (Title) (Telephone) On behalf of: _ Harman International Industries, Inc ______ (Company Name)

MS-0044715Page 1 of 1Revision 1 Date: 03 September 2026____ Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road, Columbia, MD 21046, USA Subject: Confidentiality Request for FCC ID: APILIVEBUDS4C Pursuant to FCC 47 CRF 0.457(d), the applicant requests that a part of the subject FCC/IC application be held confidential. Type of Confidentiality RequestedExhibit Short Term PermanentBlock Diagrams Short Term PermanentExternal Photo Short Term Permanent Internal Photos *** Short Term Permanent Operation Description/Theory of Operation Short Term PermanentSchematics Short Term PermanentTest Setup*** Short Term PermanentTune-Up Procedure Short Term Permanent User’s Manual*** International Industries, Inc has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. (*** Exceptional case for Permanent Confidentiality for these Exhibits by PAG only) Short-Term Confidentiality: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of specify number of days not to exceed 180 days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify TUV Rheinland in the event information regarding the product or the product is made available to the public. TUV Rheinland will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. Sincerely, By:Terry Shi (Signature/Title) (Print name) Email: [email protected]

[email protected] 深圳市丰禾原电子科技有限公司 SUNITEC ENTERPRISE CO.,LTD. 1 Lite.Mo 2025.8.15 2 A1571（CHG） Performance Test Report 调试样机 3 VSWR 、Return loss 、 impedance A1571（CHG） Performance Test Report 4 坐标轴说明 A1571（CHG） Performance Test Report 5 2441MHz ANT 3D Radiation Pattern: A1571（CHG） Performance Test Report 6 2441MHz ANT 2D Radiation Pattern: A1571（CHG） Performance Test Report YZ XZXY 7 无源效率: A1571（CHG） Performance Test Report Frequency(MHz)Efficiency(dB)Efficiency(%)Gain(dBi) 2400 -8.2 15.0 -3.4 2410 -7.3 18.5 -2.3 2420 -6.5 22.5 -1.4 2430 -5.8 26.6 -0.9 2440 -5.2 30.0 -0.5 2450 -5.0 31.6 -0.2 2460 -5.1 30.9 -0.1 2470 -5.6 27.3 -0.6 2480 -6.4 23.1 -1.5 Avg -6.1 25.1 -1.2 8 总结: 1.天线效率均值约25%，符合预期； 2.天线谐振带宽较窄，边带频点天线效率较差些。 3.天线匹配R6焊盘需改为0201封装。 A1571（CHG） Performance Test Report Thanks 2025-12-189