2AOMX-BT-1952Bluetooth speaker

FCC Warnning: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. This device complies with part 15 of the FCC Rules. 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. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 0cm between the radiator and your body.

QFX Inc. Add: 2957 E. 46th Street, Vernon, Ca. 90058 Vernon California 90058 United States Covered Equipment Certification Attestation Letter Date: 2026-7-10 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2AOMX-BT-1952 QFX 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. 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. QFX 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. QFX Inc. (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA- 24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Sincerely, Name/Title： Jack Liu/Manager Company: QFX Inc. Address: 2957 E. 46th Street, Vernon, Ca. 90058 Vernon California 90058 United States Phone: (323) 588-6900 Fax: (323) 588-4666 E-Mail: [email protected]

QFX Inc. 2957 E. 46th Street, Vernon, Ca. 90058 Vernon, CA 90058 Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2026/07/10 U.S. Agent Designation QFX Inc. acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2AOMX-BT-1952): Name and company of U.S. agent: QFX Inc. Physical U.S. address of agent: 2957 E. 46th Street, Vernon, Ca. 90058 Vernon, CA 90058 FRN of U.S. agent: 0027094838 Phone of U.S. agent: 323 588 6900 Email address of U.S. agent: [email protected] QFX Inc. acknowledges their obligation to accept service of process on behalf of QFX Inc. with the FRN [0027094838] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. An expiration date for this letter does not exist. Sincerely, Signature Jack Liu Manager QFX Inc. Signature Jack Liu Manager QFX Inc. 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

QFX Inc. Add: 2957 E. 46th Street, Vernon, Ca. 90058 Vernon California 90058 United States Date: 2026-7-10 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint SHENZHEN CTA TESTING TECHNOLOGY CO., LTD.,Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community,Fuhai Street, Bao‘an District, Shenzhen, China (Name of Agent company name and address) 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 Commission’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, still resides with QFX Inc.,2957 E. 46th Street, Vernon, Ca. 90058 Vernon California 90058 United States (Applicant Name and address) Sincerely, Name/Title： Jack Liu/Manager Company: QFX Inc. Address: 2957 E. 46th Street, Vernon, Ca. 90058 Vernon California 90058 United States Phone: (323) 588-6900 Fax: (323) 588-4666 E-Mail: [email protected]

QFX Inc. Add: 2957 E. 46th Street, Vernon, Ca. 90058 Vernon California 90058 United States Date: 2026-7-10 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, Name/Title： Jack Liu/Manager Company: QFX Inc. Address: 2957 E. 46th Street, Vernon, Ca. 90058 Vernon California 90058 United States Phone: (323) 588-6900 Fax: (323) 588-4666 E-Mail: [email protected]

QFX Inc. Add: 2957 E. 46th Street, Vernon, Ca. 90058 Vernon California 90058 United States Date: 2026-7-10 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AOMX-BT-1952 Product Name: Bluetooth speaker Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...) • 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. Sincerely, Name/Title： Jack Liu/Manager Company: QFX Inc. Address: 2957 E. 46th Street, Vernon, Ca. 90058 Vernon California 90058 United States Phone: (323) 588-6900 Fax: (323) 588-4666 E-Mail: [email protected]

QFX Inc. Add: 2957 E. 46th Street, Vernon, Ca. 90058 Vernon California 90058 United States Date: 2026-7-10 FCC ID: 2AOMX-BT-1952 Dear Sir/Madam, We, QFX Inc. Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of these model(s) are the same, Only model number and colour is different for these model.: Product name: Bluetooth speaker Model no.: BT-1952, BT-28, BT-38, BT-48, BT-58, BT-2020, BT-100, BT-200, BT-300, BT-400, BT-500, BT-600, BT-700, BT-800, BT-900 Sincerely, Name/Title： Jack Liu/Manager Company: QFX Inc. Address: 2957 E. 46th Street, Vernon, Ca. 90058 Vernon California 90058 United States Phone: (323) 588-6900 Fax: (323) 588-4666 E-Mail: [email protected]

FCC ID: 2AOMX-BT-1952 External Photos of the EUT FCC ID: 2AOMX-BT-1952 FCC ID: 2AOMX-BT-1952

Label and Location Size: L: 2.0cm*W: 1.0cm Label and Location FCC ID: 2AOMX-BT-1952

FCC ID: 2AOMX-BT-1952 Internal Photos of the EUT FCC ID: 2AOMX-BT-1952 Antenna FCC ID: 2AOMX-BT-1952

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn RF Exposure evaluation Report Reference No. ..................... : FCC ID............................................. : CTA26052200702 2AOMX-BT-1952 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : May 29, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ............................ : QFX Inc. Address............................................ : 2957 E. 46th Street, Vernon, Ca. 90058 Vernon, CA 90058 Standard ........................................... : 47CFR §1.1310 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Bluetooth speaker Trade Mark ....................................... : N/A Manufacturer .................................... : MEDIA POWER INDUSTRIAL LIMITED Model/Type reference ...................... : BT-1952 Listed Models ................................... : BT-28, BT-38, BT-48, BT-58, BT-2020, BT-100, BT-200, BT-300, BT-400, BT-500, BT-600, BT-700, BT-800, BT-900 Rating ............................................... : Input: DC 5V Battery: DC 3.7V From battery Result ............................................... : PASS Report No.: CTA26052200702 Page 2 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Bluetooth speaker Model /Type : BT-1952 Listed Models : BT-28, BT-38, BT-48, BT-58, BT-2020, BT-100, BT-200, BT-300, BT-400, BT-500, BT-600, BT-700, BT-800, BT-900 Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. So the tests were performed on model BT-1952 and the test results for the main test model can cover the listed models. Applicant : QFX Inc. Address : 2957 E. 46th Street, Vernon, Ca. 90058 Vernon, CA 90058 Manufacturer : MEDIA POWER INDUSTRIAL LIMITED Address : No.11 Dongbocheng Road, ZhongtangTown, Dongguan, Guangdong, China. Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26052200702 Page 3 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ............................................................................................................ 4 2 SUMMARY .......................................................................................................................... 5 2.1 General Remarks ..................................................................................................... 5 2.2 Product Description ................................................................................................. 5 2.3 Special Accessories ................................................................................................. 5 2.4 Modifications ............................................................................................................ 5 3 TEST ENVIRONMENT ....................................................................................................... 6 3.1 Address of the test laboratory .................................................................................. 6 3.2 Test Facility .............................................................................................................. 6 3.3 Statement of the measurement uncertainty ............................................................. 6 4 Test limit .............................................................................................................................. 7 4.1 Requirement ............................................................................................................ 7 4.2 Conducted Power Results ....................................................................................... 7 4.3 Manufacturing tolerance .......................................................................................... 8 4.4 Evaluation Result ..................................................................................................... 8 4.5 Simultaneous Transmission for SAR Exclusion ...................................................... 8 5 Conclusion ........................................................................................................................... 8 Report No.: …

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1 FCC Appendix RF Test Data for BT FCC ID : 2AOMX-BT-1952 Company : QFX Inc. EUT : Bluetooth speaker Model Number : BT-1952 Report No. : CTA26052200701 Reviewed By : Eric Wang 2 Appendix A: 20dB Emission Bandwidth Test Result TestMode Antenna Freq(MHz) 20dB EBW[MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.948 2401.535 2402.483 --- --- 2441 0.951 2440.532 2441.483 --- --- 2480 0.939 2479.535 2480.474 --- --- 2DH5 Ant1 2402 1.326 2401.328 2402.654 --- --- 2441 1.335 2440.325 2441.660 --- --- 2480 1.347 2479.319 2480.666 --- --- 3DH5 Ant1 2402 1.341 2401.322 2402.663 --- --- 2441 1.308 2440.343 2441.651 --- --- 2480 1.299 2479.346 2480.645 --- --- 3 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 4 2DH5_Ant1_2402 2DH5_Ant1_2441 5 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 6 3DH5_Ant1_2480 7 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Freq(MHz) OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.82094 2401.5837 2402.4047 --- --- 2441 0.81388 2440.5837 2441.3976 --- --- 2480 0.82041 2479.5791 2480.3995 --- --- 2DH5 Ant1 2402 1.1866 2401.4016 2402.5882 --- --- 2441 1.1777 2440.4050 2441.5827 --- --- 2480 1.1813 2479.4029 2480.5842 --- --- 3DH5 Ant1 2402 1.1865 2401.4024 2402.5889 --- --- 2441 1.1731 2440.4119 2441.5850 --- --- 2480 1.1792 2479.4041 2480.5833 --- --- 8 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 9 2DH5_Ant1_2402 2DH5_Ant1_2441 10 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 11 3DH5_Ant1_2480 12 Appendix C: Maximum conducted output power Test Result Test Mode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict DH5 Ant1 2402 -3.09 ≤20.97 PASS 2441 -3.19 ≤20.97 PASS 2480 -3.80 ≤20.97 PASS 2DH5 Ant1 2402 -0.44 ≤20.97 PASS 2441 -0.62 ≤20.97 PASS 2480 -1.31 ≤20.97 PASS 3DH5 Ant1 2402 0.12 ≤20.97 PASS 2441 -0.08 ≤20.97 PASS 2480 -0.83 ≤20.97 PASS 13 Appendix D: Carrier frequency separation Test Result TestMode Antenna Freq(MHz) Result[MHz] Limit[MHz] Verdict DH5 Ant1 Hop 0.692 ≥0.634 PASS 2DH5 Ant1 Hop 1.316 ≥0.898 PASS 3DH5 Ant1 Hop 1.124 ≥0.894 PASS 14 Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop 15 16 Appendix E: Time of occupancy Test Result TestMode Antenna Freq(MHz) BurstWidth [ms] TotalHops [Num] Result[s] Limit[s] Verdict DH1 Ant1 Hop 0.395 319 0.126 ≤0.4 PASS DH3 Ant1 Hop 1.650 173 0.285 ≤0.4 PASS DH5 Ant1 Hop 2.899 97 0.281 ≤0.4 PASS 2DH1 Ant1 Hop 0.404 318 0.128 ≤0.4 PASS 2DH3 Ant1 Hop 1.656 175 0.29 ≤0.4 PASS 2DH5 Ant1 Hop 2.904 113 0.328 ≤0.4 PASS 3DH1 Ant1 Hop 0.405 319 0.129 ≤0.4 PASS 3DH3 Ant1 Hop 1.656 175 0.29 ≤0.4 PASS 3DH5 Ant1 Hop 2.907 104 0.302 ≤0.4 PASS 17 Test Graphs DH1_Ant1_Hop DH3_Ant1_Hop 18 DH5_Ant1_Hop 19 2DH1_Ant1_Hop 2DH3_Ant1_Hop 20 2DH5_Ant1_Hop 21 3DH1_Ant1_Hop 3DH3_Ant1_Hop 22 3DH5_Ant1_Hop 23 24 Appendix F: Number of hopping channels Test Result TestMode Antenna Freq(MHz) Result[Num] Limit[Num] Verdict DH5 Ant1 Hop 79 ≥15 PASS 2DH5 Ant1 Hop 79 ≥15 PASS 3DH5 Ant1 Hop 79 ≥15 PASS 25 Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop 26 27 Appendix G: Band edge measurements Test Result TestMode Antenna ChName Freq(MHz) RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 Low 2402 -3.39 -55.86 ≤-23.39 PASS High 2480 -4.26 -57.65 ≤-24.26 PASS Low Hop_2402 -3.55 -58.03 ≤-23.55 PASS High Hop_2480 -4.26 -56.98 ≤-24.26 PASS 2DH5 Ant1 Low 2402 -3.80 -58.25 ≤-23.8 PASS High 2480 -5.22 -57.4 ≤-25.22 PASS Low Hop_2402 -3.58 -57.52 ≤-23.58 PASS High Hop_2480 -5.50 -57.51 ≤-25.5 PASS 3DH5 Ant1 Low 2402 -5.13 -57.39 ≤-25.13 PASS High 2480 -5.04 -58.31 ≤-25.04 PASS Low Hop_2402 -4.19 -57.8 ≤-24.19 PASS High Hop_2480 -6.02 -57.93 ≤-26.02 PASS 28 Test Graphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop_2402 29 DH5_Ant1_High_Hop_2480 2DH5_Ant1_Low_2402 30 2DH5_Ant1_High_2480 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 31 3DH5_Ant1_Low_2402 3DH5_Ant1_High_2480 32 3DH5_Ant1_Low_Hop_2402 3DH5_Ant1_High_Hop_2480 33 Appendix H: Conducted Spurious Emission Test Result TestMode Antenna Freq(MHz) FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 2402 Reference -4.10 -4.10 --- PASS 30~1000 -4.10 -68.31 ≤-24.1 PASS 1000~26500 -4.10 -49.66 ≤-24.1 PASS 2441 Reference -4.06 -4.06 --- PASS 30~1000 -4.06 -67.46 ≤-24.06 PASS 1000~26500 -4.06 -50.9 ≤-24.06 PASS 2480 Reference -4.79 -4.79 --- PASS 30~1000 -4.79 -68.13 ≤-24.79 PASS 1000~26500 -4.79 -51.34 ≤-24.79 PASS 2DH5 Ant1 2402 Reference -6.93 -6.93 --- PASS 30~1000 -6.93 -67.73 ≤-26.93 PASS 1000~26500 -6.93 -50.56 ≤-26.93 PASS 2441 Reference -5.20 -5.20 --- PASS 30~1000 -5.20 -68.38 ≤-25.2 PASS 1000~26500 -5.20 -51.43 ≤-25.2 PASS 2480 Reference -5.03 -5.03 --- PASS 30~1000 -5.03 -68.11 ≤-25.03 PASS 1000~26500 -5.03 -52.04 ≤-25.03 PASS 3DH5 Ant1 2402 Reference -4.69 -4.69 --- PASS 30~1000 -4.69 -68.13 ≤-24.69 PASS 1000~26500 -4.69 -49.87 ≤-24.69 PASS 2441 Reference -5.64 -5.64 --- PASS 30~1000 -5.64 -59.1 ≤-25.64 PASS 1000~26500 -5.64 -51.07 ≤-25.64 PASS 2480 Reference -4.94 -4.94 --- PASS 30~1000 -4.94 -66.91 ≤-24.94 PASS 1000~26500 -4.94 -52.19 ≤-24.94 PASS 34 Test Graphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 35 DH5_Ant1_2441_0~Reference DH5_Ant1_2441_30~1000 36 DH5_Ant1_2441_1000~26500 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000

37 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference 38 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 2DH5_Ant1_2441_0~Reference 39 2DH5_Ant1_2441_30~1000 2DH5_Ant1_2441_1000~26500 40 2DH5_Ant1_2480_0~Reference 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 41 3DH5_Ant1_2402_0~Reference 3DH5_Ant1_2402_30~1000 42 3DH5_Ant1_2402_1000~26500 3DH5_Ant1_2441_0~Reference 3DH5_Ant1_2441_30~1000 43 3DH5_Ant1_2441_1000~26500 3DH5_Ant1_2480_0~Reference 44 3DH5_Ant1_2480_30~1000 3DH5_Ant1_2480_1000~26500 45 Appendix I: Duty Cycle Test Result TestMode Antenna Freq(MHz) ON Time [ms] Period [ms] DC [%] xFactor Limit Verdict DH5 Ant1 2402 2.90 3.76 77.13 1.13 --- --- 2441 2.91 3.76 77.39 1.11 --- --- 2480 2.91 3.76 77.39 1.11 --- --- 2DH5 Ant1 2402 2.90 3.75 77.33 1.12 --- --- 2441 2.90 3.75 77.33 1.12 --- --- 2480 2.90 3.75 77.33 1.12 --- --- 3DH5 Ant1 2402 2.91 3.75 77.60 1.10 --- --- 2441 2.91 3.75 77.60 1.10 --- --- 2480 2.90 3.76 77.13 1.13 --- --- 46 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 47 2DH5_Ant1_2402 2DH5_Ant1_2441 48 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 49 3DH5_Ant1_2480 50 Appendix J: Emissions in Restricted Bands Test Result TestMod e Antenn a ChNam e Freq(MH z) Detector Freq [MHz] Result [dBm] Gain [dB] DC Factor [dB] Result [dBuV/m] Limit [dBuV/m] Verdict DH5 Ant1 Low 2402 AV 2310.000 -59.69 2.00 1.13 38.64 ≤54 PASS AV 2376.230 -58.78 2.00 1.13 39.55 ≤54 PASS AV 2390.000 -59.97 2.00 1.13 38.36 ≤54 PASS Peak 2310.000 -51.93 2.00 0.00 45.27 ≤74 PASS Peak 2326.460 -49.26 2.00 0.00 47.94 ≤74 PASS Peak 2390.000 -50.82 2.00 0.00 46.38 ≤74 PASS High 2480 AV 2483.500 -59.06 2.00 1.11 39.25 ≤54 PASS AV 2484.720 -58.74 2.00 1.11 39.57 ≤54 PASS AV 2500.000 -59.06 2.00 1.11 39.25 ≤54 PASS Peak 2483.500 -51.98 2.00 0.00 45.22 ≤74 PASS Peak 2490.800 -48.44 2.00 0.00 48.76 ≤74 PASS Peak 2500.000 -51.06 2.00 0.00 46.14 ≤74 PASS 2DH5 Ant1 Low 2402 AV 2310.000 -60.24 2.00 1.12 38.08 ≤54 PASS AV 2356.910 -59.06 2.00 1.12 39.26 ≤54 PASS AV 2390.000 -59.65 2.00 1.12 38.67 ≤54 PASS Peak 2310.000 -51.42 2.00 0.00 45.78 ≤74 PASS Peak 2371.085 -48.45 2.00 0.00 48.75 ≤74 PASS Peak 2390.000 -52.65 2.00 0.00 44.55 ≤74 PASS High 2480 AV 2483.500 -59.46 2.00 1.12 38.86 ≤54 PASS AV 2492.400 -58.66 2.00 1.12 39.66 ≤54 PASS AV 2500.000 -59.51 2.00 1.12 38.81 ≤54 PASS Peak 2483.500 -51.71 2.00 0.00 45.49 ≤74 PASS Peak 2498.320 -48.41 2.00 0.00 48.79 ≤74 PASS Peak 2500.000 -51.1 2.00 0.00 46.10 ≤74 PASS 3DH5 Ant1 Low 2402 AV 2310.000 -60.21 2.00 1.10 38.09 ≤54 PASS AV 2376.335 -58.77 2.00 1.10 39.53 ≤54 PASS AV 2390.000 -59.46 2.00 1.10 38.84 ≤54 PASS Peak 2310.000 -51.33 2.00 0.00 45.87 ≤74 PASS Peak 2381.270 -49.09 2.00 0.00 48.11 ≤74 PASS Peak 2390.000 -51.29 2.00 0.00 45.91 ≤74 PASS High 2480 AV 2483.500 -60.29 2.00 1.13 38.04 ≤54 PASS AV 2492.080 -58.84 2.00 1.13 39.49 ≤54 PASS AV 2500.000 -59.27 2.00 1.13 39.06 ≤54 PASS Peak 2483.500 -50.14 2.00 0.00 47.06 ≤74 PASS Peak 2492.960 -49.01 2.00 0.00 48.19 ≤74 PASS Peak 2500.000 -49.67 2.00 0.00 47.53 ≤74 PASS 51 Note： 1. The limit in dBm for average detector is conversion from 54dBuV/m, according to 15.209(a). The limit in dBm for peak detector is 20dB above the limit of average detector in dBm. 52 Test Graphs DH5_Ant1_Low_2402_AV DH5_Ant1_Low_2402_Peak DH5_Ant1_High_2480_AV 53 DH5_Ant1_High_2480_Peak 2DH5_Ant1_Low_2402_AV 54 2DH5_Ant1_Low_2402_Peak 2DH5_Ant1_High_2480_AV 2DH5_Ant1_High_2480_Peak 55 3DH5_Ant1_Low_2402_AV 3DH5_Ant1_Low_2402_Peak 56 3DH5_Ant1_High_2480_AV 3DH5_Ant1_High_2480_Peak

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. .................... : FCC ID. ........................................... : CTA26052200701 2AOMX-BT-1952 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : May 29, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ........................... : QFX Inc. Address ............................................ : 2957 E. 46th Street, Vernon, Ca. 90058 Vernon, CA 90058 Test specification ........................... : Standard ........................................... : FCC Part 15.247 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Bluetooth speaker Trade Mark ....................................... : N/A Manufacturer .................................... : MEDIA POWER INDUSTRIAL LIMITED Model/Type reference ...................... : BT-1952 Listed Models ................................... : BT-28, BT-38, BT-48, BT-58, BT-2020, BT-100, BT-200, BT-300, BT-400, BT-500, BT-600, BT-700, BT-800, BT-900 Modulation ....................................... : GFSK, Π/4DQPSK, 8DPSK Frequency ........................................ : From 2402MHz to 2480MHz Ratings ............................................. : Input: DC 5V Battery: DC 3.7V From battery Result ............................................... : PASS Report No.: CTA26052200701 Page 2 of 38 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Bluetooth speaker Model /Type : BT-1952 Listed Models : BT-28, BT-38, BT-48, BT-58, BT-2020, BT-100, BT-200, BT-300, BT-400, BT-500, BT-600, BT-700, BT-800, BT-900 Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. So the tests were performed on model BT-1952 and the test results for the main test model can cover the listed models. Applicant : QFX Inc. Address : 2957 E. 46th Street, Vernon, Ca. 90058 Vernon, CA 90058 Manufacturer : MEDIA POWER INDUSTRIAL LIMITED Address : No.11 Dongbocheng Road, ZhongtangTown, Dongguan, Guangdong, China. Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26052200701 Page 3 of 38 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ...................................................................................................................................... 4 2 SUMMARY .................................................................................................................................................... 5 2.1 General Remarks .............................................................................................................................. 5 2.2 Product Description ........................................................................................................................... 5 2.3 Equipment Under Test ....................................................................................................................... 5 2.4 Short description of the Equipment under Test (EUT) ...................................................................... 5 2.5 EUT configuration .............................................................................................................................. 6 2.6 EUT operation mode ......................................................................................................................... 6 2.7 Block Diagram of Test Setup ............................................................................................................. 6 2.8 Related Submittal(s) / Grant (s) ......................................................................................................... 6 2.9 Modifications ........................................................................................................................…

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