2BRX2YXPSL2412RGBWColor Chasing String Light

Cau Vong (Film) BHS 135391711008 MẶT SAU YX-PS-L24-12RGBW YX-PS-L24-12RGBW Cau Vong (Film) BHS 135391711008 MẶT TRƯỚC YX-PS-L24-12RGBW YX-PS-L24-12RGBW The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

* theapplicantmustdesignateacontactlocatedintheUnitedStatesforpurposesofactingasthe applicant’sagentforserviceofprocess,regardlessofwhethertheapplicantisadomesticorforeign entity.AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforserviceofprocess. SC5097709 U.S.AgentDesignationforServiceofProcess- CertificationAttestationLetter 10/9/2025 TO:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 ATTN.:ReviewingEngineer FCCID:0037450913 FRNofapplicant:2BRX2YXPSL2412RGBW Persection2.911(d)(7)oftheFCCrules,[VIETNAMXINYAOLIGHTINGTECHNOLOGY CO.,LTD](“theapplicant”)certifiesthattheequipmentforwhichauthorizationissoughtis designatedtothefollowingU.S.agent*forserviceofprocess: CompanyName:GlobalProductServicesandConsultationLLC FCCRegistrationNumber(FRN):0033406703 PhysicalU.S.CompanyAddress:328WPalmAve.,Monrovia,CA91016,UnitedStates ContactPerson:MichaelChan AgentEmailAddress:[email protected] Theabovecontactpersonacceptstheobligationforserviceofprocess. Theapplicantacceptstomaintainanagentfornolessthanoneyearafterthegranteehas terminatedallmarketingandimportationortheconclusionofanyCommission-related proceedinginvolvingtheequipment. ApplicantSigned:AgentSigned(ifdifferentfromApplicant): Signed: Printedname:RongQIN Title:CEO CompanyName:VIETNAMXINYAOLIGHTING TECHNOLOGYCO.,LTD Address:LotCN-GD1-3,DongLaIndustrial Cluster,DongHungCommune,HungYen Province,Vietnam Signed: Printedname:MichaelChan Title:TechnicalDirector CompanyName:GlobalProductServicesand ConsultationLLC Date:10/9/2025 Date:9/16/2025

VIETNAM XINYAO LIGHTING TECHNOLOGY CO.,LTD 2025-09-16 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2BRX2YXPSL2412RGBW) [VIETNAM XINYAO LIGHTING TECHNOLOGY CO.,LTD] (“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. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely, Rong QIN CEO VIETNAM XINYAO LIGHTING TECHNOLOGY CO.,LTD Lot CN-GD1-3, Dong La Industrial Cluster, Dong Hung Commune, Hung Yen Province, Vietnam VIETNAM XINYAO LIGHTING TECHNOLOGY CO.,LTD 2025-09-16 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2BRX2YXPSL2412RGBW) [VIETNAM XINYAO LIGHTING TECHNOLOGY CO.,LTD] (“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, Rong QIN CEO VIETNAM XINYAO LIGHTING TECHNOLOGY CO.,LTD Lot CN-GD1-3, Dong La Industrial Cluster, Dong Hung Commune, Hung Yen Province, Vietnam

VIETNAM XINYAO LIGHTING TECHNOLOGY CO.,LTD 2025-09-16 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Guangdong Global Testing Technology Co., Ltd. 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). This agreement expires one year from the current date. Sincerely, Rong QIN CEO VIETNAM XINYAO LIGHTING TECHNOLOGY CO.,LTD Lot CN-GD1-3, Dong La Industrial Cluster, Dong Hung Commune, Hung Yen Province, Vietnam

VIETNAM XINYAO LIGHTING TECHNOLOGY CO.,LTD 2025-09-16 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (EUT Name: Color Chasing String Light /Model: YX-PS-L24-12RGBW /FCC ID: 2BRX2YXPSL2412RGBW) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the (Block Diagram, Operational Description, Schematics) required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Rong QIN CEO VIETNAM XINYAO LIGHTING TECHNOLOGY CO.,LTD Lot CN-GD1-3, Dong La Industrial Cluster, Dong Hung Commune, Hung Yen Province, Vietnam

External Photographs View of EUT-1 View of EUT-2 Page 2 of 3 View of EUT-3 View of EUT-4 Page 3 of 3 View of EUT-5 View of EUT-6

Internal Photographs Internal View of EUT-1 Internal View of EUT-2 Page 2 of 3 Internal View of EUT-3 Internal View of EUT-4 Antenna Page 3 of 3 Internal View of EUT-5 Internal View of EUT-6

RF EXPOSURE EVALUATION EUT Specification FCC ID 2BRX2YXPSL2412RGBW Antenna gain (Max) 1.68 dBi Operation Frequency 2402-2480MHz Classification Per Stipulated Test Standard §15.247(i), §2.1093 Modulation GFSK Max. output power -4.34 dBm(0.368mW) Test Requirement: According to ß15.247(i) and ß1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Routine SAR evaluation refers to that specifically required by ß2.1093, using measurements or computer simulation. When routine SAR evaluation is not required, portable transmitters with output power greater than the applicable low threshold require SAR evaluation to quality for TCB approval. One antenna is available for the EUT. The minimum separation distance is 5mm. Transmit Frequency (MHz) Mode Measured Power (dBm) Tune up Power (dBm) Max tune up power(dBm) Calculation Result 1-g SAR Verdict 2480 GFSK -4.34 -4±1 -3 0.157854 3 PASS Note: No need for SAR test Signature: Shawn Wen Date: 2025-09-12

Product specification Quick Reference Date Antenna module on the system board Frequenc Range 2400 ~ 2500GHz Ant. Port Input Pwr. (dBm) 0 (Typ. BT class 2 output power) Tot. Rad. Pwr. (dBm) -1.2 (Input pwr – loss pwr) Peak EIRP(dBm) 0 Directivity (dBi) 1(all direction antenna) Efficiency (dB) Gain (dBi) 1.68 Input Impendence(ohm) 50 Polarization Type V ertical & Horizontal V . S .W . R < 6 All the technical data and information contained herein are subject to change without prior notice Antenna Layout & module on the system board Antenna Gain Gain Table Unit in dBi @2.44GHz XY-plane XZ-plane YZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. Module Board 1.35 -0.48 1.68 -3.83 1.11 -2.99 Return Loss 3D radiation pattern diagram XY-plane XZ-plane YZ-plane

TRF No.: 04-E001-0B TRF Originator: GTG TRF Date: 2023-12-13 Web: www.gtggroup.com E-mail: [email protected] Tel.: 86-400 755 8988 CFR 47 FCC PART 15 SUBPART C(DTS) TEST REPORT For Color Chasing String Light MODEL NUMBER: YX-PS-L24-12RGBW REPORT NUMBER: E04A25071499F00201 ISSUE DATE: September 12, 2025 FCC ID: 2BRX2YXPSL2412RGBW Prepared for VIETNAM XINYAO LIGHTING TECHNOLOGY CO.,LTD Lot CN-GD1-3, Dong La Industrial Cluster, Dong Hung Commune, Hung Yen Province, Vietnam Prepared by Guangdong Global Testing Technology Co., Ltd. Room 101-105, 203-210, Building 1, No.2, Keji 8 Road, Songshan Lake Park, Dongguan city, Guangdong, People’s Republic of China, 523808 This report is based on a single evaluation of the submitted sample(s) of the above mentioned product, it does not imply an assessment of the production of the products. This report shall not be reproduced, except in full, without the written approval of Guangdong Global Testing Technology Co., Ltd. REPORT NO.: E04A25071499F00201 Page 2 of 64 TRF No.: 04-E001-0B Global Testing , Great Quality. Revision History Rev. Issue Date Revisions Revised By V0 September 12, 2025 Initial Issue REPORT NO.: E04A25071499F00201 Page 3 of 64 TRF No.: 04-E001-0B Global Testing , Great Quality. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement ANSI C63.10-2020+Cor.1- 2023+C63.10a-2024 FCC Part 15.203/15.247 (c) Pass AC Power Line Conducted Emission ANSI C63.10-2020+Cor.1- 2023+C63.10a-2024 FCC Part 15.207 N/A (NOTE 1, 2) Conducted Output Power ANSI C63.10-2020+Cor.1- 2023+C63.10a-2024 FCC Part 15.247 (b)(3) Pass 6dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2020+Cor.1- 2023+C63.10a-2024 FCC Part 15.247 (a)(2) Pass Power Spectral Density ANSI C63.10-2020+Cor.1- 2023+C63.10a-2024 FCC Part 15.247 (e) Pass Conducted Band edge and spurious emission ANSI C63.10-2020+Cor.1- 2023+C63.10a-2024 FCC Part 15.247(d) Pass Radiated Band edge and Spurious Emission ANSI C63.10-2020+Cor.1- 2023+C63.10a-2024 FCC Part 15.205/15.209 Pass Duty Cycle ANSI C63.10-2020+Cor.1- 2023+C63.10a-2024 None; for reporting purposes only. Pass Note: 1. N/A: In this whole report not applicable. 2. This test is only applicable for devices which can be charged or powered by AC power cable. *This test report is only published to and used by the applicant, and it is not for evidence purpose in China. *The measurement result for the sample received is <Pass> according to <CFR 47 FCC PART 15 SUBPART C(DTS)> when <Accuracy Method> decision rule is applied. REPORT NO.: E04A25071499F00201 Page 4 of 64 TRF No.: 04-E001-0B Global Testing , Great Quality. 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 ........................................................................................................ 8 5.3. MAXIMUM PEAK OUTPUT POWER ........................................................................ 9 5.4. TEST CHANNEL CONFIGURATION ........................................................................ 9 5.5. THE WORSE CASE POWER SETTING PARAMETER ............................................ 9 5.6. DESCRIPTION OF AVAILABLE ANTENNAS ........................................................... 9 5.7. SUPPORT UNITS FOR SYSTEM TEST ................................................................... 9 5.8. SETUP DIAGRAM .................................................................................................. 10 6. MEASURING EQUIPMENT AND SOFTWARE USED......................................................... 11 7. ANTENNA PORT TEST RESULTS ..................................................................................... 13 7.1. Conducted Output Power ........................................................................................ 13 7.2. 6dB Bandwidth and 99% Occupied Bandwidth ....................................................... 14 7.3. Power Spectral Density ........................................................................................... 16 7.4. Conducted Band edge and spurious emission ........................................................ 17 7.5. Duty Cycle .............................................................................................................. 19 8. RADIATED TEST RESULTS ............................................................................................... 20 8.1. Radiated Band edge and Spurious Emission .......................................................... 26 9. ANTENNA REQUIREMENT ................................................................................................ 42 10. TEST DATA - Appendix A ..................................................................................... 43 REPORT NO.: E04A25071499F00201 Page 5 of 64 TRF No.: 04-E001-0B Global Testing , Great Quality. 1. ATTESTATION OF TEST RESULTS Applicant Information Company Name: VIETNAM XINYAO LIGHTING TECHNOLOGY CO.,LTD Address: Lot CN-GD1-3, Dong La Industrial Cluster, Dong Hung Commune, Hung Yen Province, Vietnam Manufacturer Information Company Name: VIETNAM XINYAO LIGHTING TECHNOLOGY CO.,LTD Address…

Text truncated - open the document above for the full version.

Setup Photographs Radiated Band edge and Spurious Emission Page 2 of 2