2AEX3-46125Blue Signature air purifier

Blueair AB Date: 4/8/2026 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(5) Attestation FCC ID: 2AEX3-46125 Grantee FRN: 0024647141 1. Blueair AB 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. 2. Blueair AB (“the applicant”) certifies that, the device does not have cybersecurity and / or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, identified on the Covered List installed on the device, nor will it be installed by the applicant anytime after certification. 3. Blueair AB (“the applicant”) certifies that the RF device is not a router “produced in a foreign country”, 4. Blueair AB 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 and is not an affiliate or subsidiary of an entity identified on the Covered List. Sincerely yours, Name: Jeff Liu Job Title: Regulation Manager Company Name: Blueair AB

* the applicant must designate a contact located in the United States for purposes of acting as the applicant’s 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. SC6053210 U.S. Agent Designation for Service of Process - Certification Attestation Letter 4/8/2026 TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTN.: Reviewing Engineer FCC ID: 2AEX3-46125 FRN of applicant: 0024647141 Per section 2.911(d)(7) of the FCC rules, Blueair AB FRN: 0024647141 (“the applicant”) certifies that the equipment for which authorization is sought is designated to thefollowing U.S. agent* for service of process: Company Name: Global Product Services and Consultation LLC FCC Registration Number (FRN): 0033406703 Physical U.S. Company Address: 328 W Palm Ave. Monrovia, CA91016 Contact Person: Michael Chan Tel: +1 626 366 4358 Agent Email Address: [email protected] 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: Jeff Liu Title: Regulation Manager Company Name: Blueair AB Date: 4/8/2026 Signed: Printed name: Michael Chan Title: Technical Director Company Name: Global Product Services and Consultation LLC Date: 4/24/2026

Blueair AB Date: 4/8/2026 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 To whom it may concern: I, the undersigned, hereby authorize UL Verification Services Inc. to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by UL Verification Services Inc. on our behalf shall have the same effect as acts of our own. I, 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. 853(a). In authorizing UL Verification Services Inc. as our representative, we still recognize that we are responsible to: a) comply with the relevant provisions of the certification program; b) make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; e) upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; f) use certification only to indicate the products are certified as being in conformity with specified standards; g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner; h) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division; i) keep a record of all complaints made known to us relating to the product’s compliance with requirements of the relevant standard and to make these records available to the when requested; j) take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification; k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signed by: Company Name: Blueair AB Contact Name: Jeff Liu Title of Person: Regulation Manager Address: Karlavagen 104 Stockholm 115 26 Sweden

Blueair AB Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Request for Confidentiality FCC ID: 2AEX3-46125 To Whom It May Concern: Pursuant to the provisions of Sections 0.457 and 0.459 of the Commission’s rules (47 CFR §§ 0.457, 0.459), we are requesting the Commission to withhold the following attachments as confidential document from public disclosure indefinitely. Schematic Diagram Block Diagram Theory of Operation Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Best Regards Name: Jeff Liu Job Title: Regulation Manager Company Name: Blueair AB

Blueair AB DATE: 04/08/2026 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Request for Short-Term Confidentiality Company name: Blueair AB FCC ID: 2AEX3-46125 FCC Part 15 Certification Pursuant to Sections 0.457 and 0.459 of the commission rules, and in accordance with the FCC Public notice dated June 15, 2004 (DA 04-1705), we hereby request short-term confidentiality for the following items prior to marketing the device.: (1) Test Setup Photos (2) External Photos (3) Internal Photos (4) User Manual The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of 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. Sincerely, Company Name: Blueair AB Contact Name: Jeff Liu Title of Person: Regulation Manager Address: Karlavagen 104 Stockholm 115 26 Sweden

EPA Est. No. Serial No.: Sold by: Blueair Inc. 200 N LaSalle St, Suite 2800 Chicago, IL 60601 USA Designed in Sweden. Made in China. Blue Signature™ Mini Air Purifier Model number: 4612522000 Input: 120VAC 60Hz Rated power input: 12W Article No.: 115312 Filter Type: PAC Manufacturing date (YYWW): Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. UPC/EAN: 689122003313 The 8-hr TWA Ozone for this product is 0.001 ppmv when tested in a 30 m³ chamber, refer to safety instruction in manual for more information. CAUTION: HIGH VOLTAGE INSIDE CAUTION: THIS EQUIPMENT SHOULD BE INSPECTED FREQUENTLY AND COLLECTED DIRT REMOVED FROM IT REGULARLY TO PREVENT EXCESSIVE ACCUMULATION THAT MAY RESULT IN FLASHOVER OR A RISK OF FIRE. WARNING: DISCONNECT POWER SUPPLY BEFORE SERVICING FCC ID: 2AEX3-46125 IC ID: 20267-46125 This device complies with Part 15 of the FCC Rules. ® US LISTED E551740 C 0115475000 label locate is below the pre-filter, There are steps in the manual to remove the pre-filter, and removing the pre-filter will reveal the label Permanent adhesive type is used to fix the label ,the label drawing isn't removed easily.

The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. FCC RF EXPOSURE REPORT For Blue Signature™ air purifier FCC MODEL NUMBER: 4612522000 REPORT NUMBER: 4792163937-1-RF-2 ISSUE DATE: April 13, 2026 FCC ID: 2AEX3-46125 Prepared for Blueair AB Karlavägen 104, Stockholm, 115 26, Sweden Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Room 101, Building 2, No.4, Information Road, Songshan Lake, Dongguan, Guangdong, China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4792163937-1-RF-2 Page 2 of 9 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 April 13, 2026 Initial Issue REPORT NO.: 4792163937-1-RF-2 Page 3 of 9 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. TABLE OF CONTENTS 1. ATTESTATION OF TEST RESULTS ................................................................................. 4 2. TEST METHODOLOGY ..................................................................................................... 5 3. FACILITIES AND ACCREDITATION ................................................................................. 5 4. DESCRIPTION OF EUT ..................................................................................................... 6 5. REQUIREMENT ................................................................................................................. 7 REPORT NO.: 4792163937-1-RF-2 Page 4 of 9 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. 1. ATTESTATION OF TEST RESULTS Applicant Information Company Name: Blueair AB Address: Karlavägen 104, Stockholm, 115 26, Sweden Manufacturer Information Company Name: Blueair AB Address: Karlavägen 104, Stockholm, 115 26, Sweden EUT Information EUT Name: Blue Signature™ air purifier Model: 4612522000 Brand name: Blueair Sample Received Date: March 19, 2026 Sample Status: Sample ID： Normal 9546054 Date of Tested: March 19, 2026 to April 10, 2026 Prepared By: Checked By: Daniel Zhang Kebo Zhang Project Engineer Operations Leader Approved By: Stephen Guo Operations Manager APPLICABLE STANDARDS STANDARD TEST RESULTS FCC 47CFR§2.1091 PASS KDB 447498 D04 PASS REPORT NO.: 4792163937-1-RF-2 Page 5 of 9 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. 2. TEST METHODOLOGY The tests documented in this report were performed in accordance with 47 CFR FCC Part 1 Subpart I, section 1.1307 and KDB 447498 D04 Interim General RF Exposure Guidance v01. 3. FACILITIES AND ACCREDITATION Accreditation Certificate A2LA (Certificate No.: 4102.01) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. has been assessed and proved to be in compliance with A2LA. FCC (FCC Designation No.: CN1187) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. Has been recognized to perform compliance testing on equipment subject to the Commission's Declaration of Conformity (DoC) and Certification rules. ISED (Company No.: 21320) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. has been registered and fully described in a report filed with ISED. The Company Number is 21320 and the test lab Conformity Assessment Body Identifier (CABID) is CN0046. VCCI (Registration No.: C-20202, G-20240, R-20248 and T-20202) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. has been assessed and proved to be in compliance with VCCI, the Membership No. is 3793. Facility Name: Chamber E, the VCCI registration No. is G-20240 and R-20248 Shielding Room F, the VCCI registration No. is C-20202 and T-20202 Note 1: All tests measurement facilities use to collect the measurement data are located at Room 101, Building 2, No.4, Information Road, Songshan Lake, Dongguan, Guangdong, China. Note 2: The test anechoic chamber in UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch had been calibrated and compared to the open field sites and the test anechoic chamber is shown to be equivalent to or worst case from the open field site. Note 3: For below 30 MHz, lab had performed measurements at test anechoic chamber and comparing to measurements obtained on an open field site. And these measurements below 30 MHz had been correlated to measurements performed on an OFS. REPORT NO.: 4792163937-1-RF-2 Page 6 of 9 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. 4. DESCRIPTION OF EUT EUT Name: Blue Signature™ air purifier Model: 4612522000 Frequency Range: 5730 MHz to 5850 MHz Type of Modulation: CW Normal Test Voltage: AC 120V 60Hz REPORT NO.: 4792163937-1-RF-2 Page 7 of 9 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in…

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The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. CFR 47 FCC PART 15 SUBPART C ISED RSS-210 Issue 11 TEST REPORT For Blue Signature™ air purifier MODEL NUMBER: 4612522000 REPORT NUMBER: 4792163937-1-RF-1 ISSUE DATE: April 13, 2026 FCC ID: 2AEX3-46125 IC: 20267-46125 Prepared for Blueair AB Karlavägen 104, Stockholm, 115 26, Sweden Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Room 101, Building 2, No.4, Information Road, Songshan Lake, Dongguan, Guangdong, China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4792163937-1-RF-1 Page 2 of 57 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 April 13, 2026 Initial Issue REPORT NO.: 4792163937-1-RF-1 Page 3 of 57 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Summary of Test Results Clause Test Items FCC/ISED Rules Test Results 1 20dB Bandwidth and 99% Occupied Bandwidth CFR 47 FCC §15.215 (c) ISED RSS-Gen Clause 6.7 Pass 2 Radiated Emission CFR 47 FCC §15.249 (a)(d)(e) ISED RSS-210 Annex B B.10 CFR 47 FCC §15.205 and §15.209 RSS-GEN Clause 8.9 RSS-GEN Clause 8.10 Pass 3 Conducted Emission Test for AC Power Port CFR 47 FCC §15.207 RSS-GEN Clause 8.8 Pass 4 Antenna Requirement CFR 47 FCC §15.203 ISED RSS-Gen Clause 6.8 Pass Note 1: This test report is only published to and used by the applicant, and it is not for evidence purpose in China. Note 2: For FCC, C63.10:2020 + Cor.1:2023 is also considered for the corresponding test item which is needed. Note 3: For ISED, this report is also performed according to ANSI C63.10-2020 + Cor.1-2023 + C63.10a-2024 + Errata to C63.10a-2024 standards. Note 4: The measurement result for the sample received is <Pass> according to < CFR 47 FCC PART 15 SUBPART C, ISED RSS-210 ISSUE 11 > when <Simple Acceptance> decision rule is applied. REPORT NO.: 4792163937-1-RF-1 Page 4 of 57 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. CONTENTS 1. ATTESTATION OF TEST RESULTS ..................................................................................... 5 2. TEST METHODOLOGY ......................................................................................................... 6 3. FACILITIES AND ACCREDITATION ..................................................................................... 6 4. CALIBRATION AND UNCERTAINTY ................................................................................... 7 4.1. MEASURING INSTRUMENT CALIBRATION ........................................................... 7 4.2. MEASUREMENT UNCERTAINTY ............................................................................ 7 5. EQUIPMENT UNDER TEST .................................................................................................. 8 5.1. DESCRIPTION OF EUT ........................................................................................... 8 5.2. CHANNEL LIST ........................................................................................................ 9 5.3. MAXIMUM FIELD STRENGTH ............................................................................... 10 5.4. TEST CHANNEL CONFIGURATION ...................................................................... 10 5.5. THE WORSE CASE POWER SETTING PARAMETER .......................................... 10 5.6. DESCRIPTION OF AVAILABLE ANTENNAS ......................................................... 10 5.7. DESCRIPTION OF TEST SETUP ........................................................................... 11 6. MEASURING EQUIPMENT AND SOFTWARE USED......................................................... 12 7. ANTENNA PORT TEST RESULTS ..................................................................................... 13 7.1. 20DB BANDWIDTH AND 99% OCCUPIED BANDWIDTH ...................................... 13 7.2. DUTY CYCLE ......................................................................................................... 18 8. RADIATED TEST RESULTS ............................................................................................... 20 8.1. FUNDAMENTAL EMISSION AND RESTRICTED BANDEDGE .............................. 30 8.2. SPURIOUS EMISSIONS (1 GHZ ~ 7 GHZ) ............................................................ 33 8.3. SPURIOUS EMISSIONS (7 GHZ ~ 18 GHZ) .......................................................... 39 8.4. SPURIOUS EMISSIONS (9 KHZ ~ 30 MHZ)........................................................... 45 8.5. SPURIOUS EMISSIONS (18 GHZ ~ 26 GHZ) ........................................................ 48 8.6. SPURIOUS EMISSIONS (26 GHZ ~ 40 GHZ) ........................................................ 50 8.7. SPURIOUS EMISSIONS (30 MHZ ~ 1 GHZ) .......................................................... 52 9. AC POWER LINE CONDUCTED EMISSION ...................................................................... 54 10. ANTENNA REQUIREMENT ................................................................................... 57 REPORT NO.: 4792163937-1-RF-1 Page 5 of 57 UL Verif…

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ANT type: PCB antenna Peak Gain:3 dBi Antenna location