FCC ID: 2BDTE-NUSHU1V1 Wearable Internet of Things Module

23.01.20224 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern:

We, the undersigned, hereby authorize Compliance Testing, LLC to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). Sincerely, Georgios Chatzipirpiridis COO Magnes Inc. 2261 Market Street STE 5508, San Francisco, 94114

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2024-01-03 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2BDTE-NUSHU1V1 Magnes 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, Georgios Chatzipirpiridis Rev 1/26/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2024-01-03 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2BDTE-NUSHU1V1 Magnes 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. Sincerely, Georgios Chatzipirpiridis Rev 1/26/2023

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2024-01-03 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID or Grantee Code: 2BDTE-NUSHU1V1 Magnes Inc. (the applicant) certifies that, as of the date of the filing of the application, we designate ourselves as the U.S. agent for service of process. Designated U.S. Agent Information:

FRN: 0034543231 Name: Magnes Inc. Address: 2261 Market Street STE 5508, San Francisco, 94114 Contact Person: Georgios Chatzipirpiridis Tel.: 760 826 9928 Email: chgeorge@magnes.ch Sincerely, Georgios Chatzipirpiridis Rev 1/26/2023

ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD Federal Communication Commission 445 12th Street, SW Washington, DC 20554 Subject: Authorization to apply for change in FCC ID To Whom It May Concern:

We, ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD, hereby authorize Magnes Inc., to apply for change in FCC ID pursuant to 47 CFR 2.933 for our product with FCC ID

[2AC7Z-ESP32WROVERE]. The date of the original grant of the equipment authorization was on 2020-04-13. We are aware that Magnes Inc. will establish a new FCC ID [2BDTE-NUSHU1V1]

for above product. Sincerely ___________ Mia Zhou Certification engineer 2023-12-14

Date: 2024-01-03 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Subject: Change in Identification To Whom It May Concern:

This change in Identification request applies for a new FCC ID, as established in 47CFR 2.933(b) for a currently approved device. This application by Magnes Inc. will establish a new FCC ID: 2BDTE-NUSHU1V1 under Magnes Inc.s Grantee Code for purpose of marketing. The original grant to ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD will remain in effect. Per 2.933(b) 1. The original identification is FCC ID: 2AC7Z-ESP32WROVERE 2. The original grant date is 2020-04-13 3. The equipment is electrically identical. Only the trade name and FCC ID are different 4. The original test results are applicable and representative of this changed device 5. External photographs are included in the application The following files are electronically submitted as attachments:

Cover letter External photos FCC ID label & label location Please contact me if there is any information you may need. Sincerely, Georgios Chatzipirpiridis COO Magnes Inc. 2261 Market Street STE 5508, San Francisco, 94114