FCC ID: 2AKFED426 Bluetooth Headset

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DATE : 7/13/2023 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint EST Technology Co., Ltd. Address:Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China 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 Federal Communications Commissions 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, still resides with The Art of Utility AB Address: Upplandsgatan 7, 111 23, Stockholm, Sweden

<Signature>

NameJohan Wahlback TitleCEO Applicant CompanyThe Art of Utility AB

DATE : 7/13/2023 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AKFED426 Product Name: Bluetooth Headset Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential:

Schematics Block diagram Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors.

<Signature>

NameJohan Wahlback TitleCEO CompanyThe Art of Utility AB

The Art of Utility AB Covered Equipment Certification Attestation Letter 5/8/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2AKFED426 The Art of Utility AB (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. Signed:

Printed name: Johan Wahlback Title: CEO Company Name: The Art of Utility AB Date: 5/8/2023

The Art of Utility AB Covered Equipment Certification Attestation Letter 5/8/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2AKFED426 The Art of Utility AB (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: Johan Wahlback Title: CEO Company Name: The Art of Utility AB Date: 5/8/2023

The Art of Utility AB U.S. Agent Designation for Service of Process -

Certification Attestation Letter 5/8/2023 TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTN.: Reviewing Engineer FCC ID: 2AKFED426 FRN of applicant: 0026055079 Per section 2.911(d)(7) of the FCC rules, The Art of Utility AB (the applicant) certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process:

Company Name: DEFUNC USA FCC Registration Number (FRN): 0033751033 Physical U.S. Company Address: 315 N PUENTE ST. SUITE D, BREA, CA 92821 Contact Person: Eric Zi Agent Email Address: eric@flatblackism.com The above contact person accepts the obligation for service of process. The applicant 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. Applicant Signed:

Agent Signed (if different from Applicant):

Signed:

Printed name: Johan Wahlback Title: CEO Company Name: The Art of Utility AB Date: 5/8/2023 Signed:

Printed name: Eric Zi Title: President Company Name: DEFUNC USA Date: 5/8/2023

* the applicant must designate a contact located in the United States for purposes of acting as the applicants agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process.