2AVD2-H12BLUETOOTH HEADPHONE

BLUETOOTH HEADPHONE

AOGES CO., LIMITED 2.911 (d)(7)USA Agent v1.5 Section 2.911(d)(7) USA Agent for Service of Process Company name: Shenzhen Monster Creative Technology Co., Ltd. Address: Room 1602, Building A, Fencheng Zhigu Building, Xixiang Street, Bao 'an District, Shenzhen, Guangdong, China Product Name: BLUETOOTH HEADPHONE FCC ID: 2AVD2-H12 Model(s): MH22251, MH22272, H12 2.911(d)(7) USA Designated Agent for Service of Process We, [Shenzhen Monster Creative Technology Co., Ltd.] (“the applicant”) designate [AOGES CO., LIMITED] NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent: We acknowledge our consent to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledge our acceptance of our obligation to maintain an agent for service of process in the United States for no less than one year after either we the grantee have permanently terminated all marketing and importation of the applicable equipment within the U.S., or at the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Agent obligation: We acknowledge our obligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email address 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 at the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. 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. USA Agent Company name: AOGES CO., LIMITED USA Address: 1624 Market St, Ste 226, #30327 Denver CO, 80202 USA FRN Number: 0033947847 Contact Name: XIAOYAN LAl Telephone No: +1 303 623 1940 Email: [email protected] Applicant Company name: Shenzhen Monster Creative Technology Co., Ltd. Address: Room 1602, Building A, Fencheng Zhigu Building, Xixiang Street, Bao 'an District, Shenzhen, Guangdong, China Grantee FRN Number: 0036280543 FCC Grantee Code: 2AVD2 Contact Name: Wang runlong AOGES CO., LIMITED 2.911 (d)(7)USA Agent v1.5 Telephone No: 18925204512 Email: [email protected] Signature: Title: CEO Signature: Title: Mannger Date: 2025.11.25 Date: 2025.11.25 NOTE 1: An applicant located in the United States may designate itself as the agent for service of process. Reference; Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

Shenzhen Monster Creative Technology Co., Ltd. (2025.11.29) 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: 2AVD2-H12) [Shenzhen Monster Creative 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, Wang run long Shenzhen Monster Creative Technology Co., Ltd. (2025.11.29) 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:2AVD2-H12) [Shenzhen Monster Creative 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, Wang run long

Shenzhen Monster Creative Technology Co., Ltd. Product Similarity Declaration Product name: BLUETOOTH HEADPHONE Model name: MH22251, MH22272, H12 FCC ID: 2AVD2-H12 We (Shenzhen Monster Creative Technology Co., Ltd.) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), the only difference is in the different in model name and appearance Colors. Signature: Name: Wang run long Title: Manager China, 2025.11.29

Shenzhen Monster Creative Technology Co., Ltd. 2025.11.29 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (BLUETOOTH HEADPHONE / MH22251, MH22272, H12/ FCC ID: 2AVD2-H12) 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 • Schematics • Block diagram • Operation description • Parts List required to be submitted with this application be permanently withheld from public review. 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. Please contact me if there is any information you may need. Sincerely, Name: Wang run long

Shenzhen Monster Creative Technology Co., Ltd. 2025.11.29 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 (Shenzhen STS Test Services 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, Name: Wang run long

Page 1 of 6 Report No.: STS2508133 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Photo 1 Photo 2 Page 2 of 6 Report No.: STS2508133 Photo 3 Photo 4 Page 3 of 6 Report No.: STS2508133 Photo 5 Photo 6 Page 4 of 6 Report No.: STS2508133 Photo 7 Photo 8 Page 5 of 6 Report No.: STS2508133 Photo 9 Photo 10 Page 6 of 6 Report No.: STS2508133 Photo 11 Photo 12

Page 1 of 6 Report No.: STS2508133 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Photo 1 Photo 2 Page 2 of 6 Report No.: STS2508133 Photo 3 Photo 4 Antenna Page 3 of 6 Report No.: STS2508133 Photo 5 Photo 6 Page 4 of 6 Report No.: STS2508133 Photo 7 Photo 8 Page 5 of 6 Report No.: STS2508133 Photo 9 Photo 10 Page 6 of 6 Report No.: STS2508133 Photo 11

The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the ShenZhen STS Test Services Co., Ltd. MPE Report Report No.:STS2508133H02 Issued for Shenzhen Monster Creative Technology Co., Ltd. Room 1602, Building A, Fencheng Zhigu Building, Xixiang Street, Bao 'an District, Shenzhen, Guangdong, China Product Name: BLUETOOTH HEADPHONE Brand Name: MONSTER Model Name: MH22251 Series Model(s): MH22272, H12 FCC ID: 2AVD2-H12 Test Standards: FCC 47CFR §2.1093 Page 2 of 9 Report No.: STS2508133H02 TEST REPORT Applicant’s Name ................. : Shenzhen Monster Creative Technology Co., Ltd. Address ................................. : Room 1602, Building A, Fencheng Zhigu Building, Xixiang Street, Bao 'an District, Shenzhen, Guangdong, China Manufacturer's Name ........... : Shenzhen Monster Creative Technology Co., Ltd. Address ................................. : Room 1602, 1601A2, 1601B, 1601C, Building A, Fencheng Zhigu Building, No. 60 Tiezai Road, Xixiang Street, Bao’an District, Shenzhen, China. Product Description Product Name ........................ : BLUETOOTH HEADPHONE Brand Name .......................... : MONSTER Model Name .......................... : MH22251 Series Model(s) ...................... : MH22272, H12 Test Standards ..................... : FCC 47CFR §2.1093 447498 D04 Interim General RF Exposure Guidance v01 The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the ShenZhen STS Test Services Co., Ltd. Date of Test ........................................... : Date of receipt of test item ...................... : 20 Aug. 2025 Date (s) of performance of tests ............. : 20 Aug. 2025 ~ 15 Sept. 2025 Date of Issue .......................................... : 15 Sept. 2025 Test Result .............................................. : Pass Testing Engineer : (Aaron Bu) Technical Manager : (Skylar Li) Authorized Signatory : (Bovey Yang) Page 3 of 9 Report No.: STS2508133H02 TABLE OF CONTENTS 1. GENERAL INFORMATION 5 1.1 GENERAL DESCRIPTION OF THE EUT 5 1.2 TEST FACTORY 5 2. FCC 47CFR §2.1093 REQUIREMENT 6 2.1 TEST STANDARDS 6 2.2 LIMIT 6 2.3 TEST RESULT 9 Page 4 of 9 Report No.: STS2508133H02 Revision History Rev. Issue Date Report No. Effect Page Contents 00 15 Sept. 2025 STS2508133H02 ALL Initial Issue Page 5 of 9 Report No.: STS2508133H02 1. GENERAL INFORMATION 1.1 GENERAL DESCRIPTION OF THE EUT Product Name BLUETOOTH HEADPHONE Brand Name MONSTER Model Name MH22251 Series Model(s) MH22272, H12 Model Difference Only different in model name and appearance Colors. Product Description The EUT is BLUETOOTH HEADPHONE Operation Frequency: 2402 – 2480 MHz Modulation Type: BT BR(1Mbps): GFSK BT EDR(2Mbps): π/4-DQPSK BT EDR(3Mbps): 8DPSK Antenna gain: 2.06 dBi Antenna Designation: PCB Antenna Power Rating Input: DC 5V 1A Output: DC 3.7V Adapter N/A Battery Model: 503040 Brand: N/A Rated Voltage: 3.7V Charge Limit Voltage: 4.2V Capacity: 600mAh Hardware Version V1.0 Software Version V1.0 1.2 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : 101, Building B, Zhuoke Science Park, No.190 Chongqing Road, ZhanChengShequ, Fuhai Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 Page 6 of 9 Report No.: STS2508133H02 2. FCC 47CFR §2.1093 REQUIREMENT 2.1 TEST STANDARDS Follow the maximum permissible exposure (MPE) limits specified in 447498 D04 Interim General Radio Frequency Exposure Guidelines v01. The gain of the antenna used in the product was extracted from the supplied antenna data sheet and the maximum total power input to the antenna was also measured. Calculate the distance from the product to the MPE limit by the formula. 2.2 LIMIT For single RF sources (i.e., any single fixed RF source, mobile device, or portable device, as defined in paragraph (b)(2) of this section): A single RF source is exempt if: (A) The available maximum time-averaged power is no more than 1 mW, regardless of separation distance. This exemption may not be used in conjunction with other exemption criteria other than those in paragraph (b)(3)(ii)(A) of Part 1.1307. Medical implant devices may only use this exemption and that in paragraph (b)(3)(ii)(A); (B) Or the available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold Pth (mW) described in the following formula. This method shall only be used at separation distances (cm) from 0.5 centimeters to 40 centimeters and at frequencies from 0.3 GHz to 6 GHz (inclusive). Pth is given by: Page 7 of 9 Report No.: STS2508133H02 (C) Or using below table and the minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. For the exemption in Table 1 to apply, R must be at least λ/2π, where λ is the free-space operating wavelength in meters. If the ERP of a single RF source is not easily obtained, then the available maximum time-averaged power may be used in lieu of ERP if the physical dimensions of the radiating structure(s) do not exceed the electrical length of λ/4 or if the antenna gain is less than that of a half-wave dipole (1.64 linear value). RF Source frequency (MHz) Threshold ERP(watts) 0.3-1.34 1,920 R 2 . 1.34-30 3,450 R 2 /f 2 . 30-300 3.83 R 2 . 300-1,500 0.0128 R 2 f. 1,500-100,000 19.2R 2 . Page 8 of 9 Report No.: STS2508133H02 For multiple RF sources: Multiple RF sources are exempt if: (A) The available maximum time-averaged power of each source is no more than 1 mW and there is a separation distance of two centimeters between any portion of a radiating structure operating and the nearest port…

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Applicant:Shenzhen Monster Creative Technology Co., Ltd Address:Room 1602, Building A, Fencheng Zhigu Building, Xixiang Street, Bao 'an District, Shenzhen, Guangdong, China Model:H05B FreqEffiEffiGainGainUHISDHISMaxMinDirectivityBeamwidthAttHAttV (MHz)(%)(dB)(dBi)(dBd)(%)(%)(dB)(dB)(dBi)(3dB)(dB)(dB) 240039.04-4.090.52-1.63000.52-15.744.096047.3646.86 241039.11-4.080.73-1.42000.73-16.624.086047.446.9 242035.33-4.520.47-1.68000.47-17.324.526047.2846.76 243039.98-3.981.14-1.01001.14-17.193.983047.3546.78 244037.5-4.260.98-1.17000.98-17.754.263047.1546.65 245044.14-3.551.69-0.46001.69-17.333.553047.3346.85 246039.63-4.021.17-0.98001.17-18.044.026047.7247.22 247038.25-4.170.95-1.2000.95-18.884.176047.3646.93 248049.71-3.042.06-0.09002.06-18.643.046047.5647.1 249041.14-3.861.2-0.95001.2-19.363.866047.0546.67 250043.15-3.651.32-0.83001.32-19.073.656047.0146.63 Antenna Layout & module on the system board Passive Test For BT2.4

The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. Radio Test Report Report No.:STS2508133W02 Issued for Shenzhen Monster Creative Technology Co., Ltd. Room 1602, Building A, Fencheng Zhigu Building, Xixiang Street, Bao 'an District, Shenzhen, Guangdong, China Product Name: BLUETOOTH HEADPHONE Brand Name: MONSTER Model Name: MH22251 Series Model(s): MH22272, H12 FCC ID: 2AVD2-H12 Test Standards: FCC Part15.247 Page 2 of 94 Report No.: STS2508133W02 TEST REPORT Applicant’s Name ................. : Shenzhen Monster Creative Technology Co., Ltd. Address .................................. : Room 1602, Building A, Fencheng Zhigu Building, Xixiang Street, Bao 'an District, Shenzhen, Guangdong, China Manufacturer's Name ........... : Shenzhen Monster Creative Technology Co., Ltd. Address .................................. : Room 1602, 1601A2, 1601B, 1601C, Building A, Fencheng Zhigu Building, No. 60 Tiezai Road, Xixiang Street, Bao’an District, Shenzhen, China. Product Description Product Name ........................ : BLUETOOTH HEADPHONE Brand Name ........................... : MONSTER Model Name ........................... : MH22251 Series Model(s) .................... : MH22272, H12 Standards ............................. : FCC Part15.247 Test Procedure ....................... : ANSI C63.10-2020 This device described above has been tested by STS, the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. Date of Test ............................... : Date of receipt of test item ......... : 20 Aug. 2025 Date (s) of performance of tests : 20 Aug. 2025 ~ 15 Sept. 2025 Date of Issue ............................. : 15 Sept. 2025 Test Result ................................. : Pass Testing Engineer : (Aaron Bu) Technical Manager : (Skylar Li) Authorized Signatory : (Bovey Yang) Page 3 of 94 Report No.: STS2508133W02 Table of Contents Page 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.2 DESCRIPTION OF THE TEST MODES 10 2.3 FREQUENCY HOPPING SYSTEM REQUIREMENTS 10 2.4 TABLE OF PARAMETERS OF TEST SOFTWARE SETTING 12 2.5 BLOCK DIAGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 13 2.6 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 14 2.7 EQUIPMENTS LIST 15 3. EMC EMISSION TEST 16 3.1 CONDUCTED EMISSION MEASUREMENT 16 3.2 RADIATED EMISSION MEASUREMENT 20 4. CONDUCTED SPURIOUS & BAND EDGE EMISSION 32 4.1 LIMIT 32 4.2 TEST PROCEDURE 32 4.3 TEST SETUP 32 4.4 EUT OPERATION CONDITIONS 32 4.5 TEST RESULTS 32 5. NUMBER OF HOPPING CHANNEL 33 5.1 LIMIT 33 5.2 TEST PROCEDURE 33 5.3 TEST SETUP 33 5.4 EUT OPERATION CONDITIONS 33 5.5 TEST RESULTS 33 6. AVERAGE TIME OF OCCUPANCY 34 6.1 LIMIT 34 6.2 TEST PROCEDURE 34 6.3 TEST SETUP 34 6.4 EUT OPERATION CONDITIONS 34 6.5 TEST RESULTS 34 7. HOPPING CHANNEL SEPARATION MEASUREMEN 35 7.1 LIMIT 35 Page 4 of 94 Report No.: STS2508133W02 Table of Contents Page 7.2 TEST PROCEDURE 35 7.3 TEST SETUP 35 7.4 EUT OPERATION CONDITIONS 35 7.5 TEST RESULTS 35 8. BANDWIDTH TEST 36 8.1 LIMIT 36 8.2 TEST PROCEDURE 36 8.3 TEST SETUP 36 8.4 EUT OPERATION CONDITIONS 36 8.5 TEST RESULTS 36 9. OUTPUT POWER TEST 37 9.1 LIMIT 37 9.2 TEST PROCEDURE 37 9.3 TEST SETUP 38 9.4 EUT OPERATION CONDITIONS 38 9.5 TEST RESULTS 38 10. ANTENNA REQUIREMENT 39 10.1 STANDARD REQUIREMENT 39 10.2 EUT ANTENNA 39 APPENDIX 1-TEST DATA 40 DWELL TIME 40 MAXIMUM PEAK CONDUCTED OUTPUT POWER 50 -20DB BANDWIDTH 56 CARRIER FREQUENCIES SEPARATION 62 NUMBER OF HOPPING CHANNEL 68 BAND EDGE 71 BAND EDGE(HOPPING) 78 CONDUCTED RF SPURIOUS EMISSION 85 APPENDIX 2-PHOTOS OF TEST SETUP 94 Page 5 of 94 Report No.: STS2508133W02 Revision History Rev. Issue Date Report No. Effect Page Contents 00 15 Sept. 2025 STS2508133W02 ALL Initial Issue Page 6 of 94 Report No.: STS2508133W02 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: KDB 558074 D01 15.247 Meas Guidance v05r02. FCC Part 15.247,Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS -- 15.247(a)(1) Hopping Channel Separation PASS -- 15.247(a)(1)&(b)(1) Output Power PASS -- 15.209 Radiated Spurious Emission PASS -- 15.247(d) Conducted Spurious & Band Edge Emission PASS -- 15.247(a)(1)(iii) Number of Hopping Frequency PASS -- 15.247(a)(1)(iii) Dwell Time PASS -- 15.247(a)(1) Bandwidth PASS -- 15.205 Restricted bands of operation PASS -- Part 15.247(d)/part 15.209(a) Band Edge Emission PASS -- 15.203 Antenna Requirement PASS -- Note: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2020. Page 7 of 94 Report No.: STS2508133W02 1.1 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : 101, Building B, Zhuoke Science Park, No.190 Chongqing Road, ZhanChengShequ, Fuhai Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ±U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±0.755dB 2 Unwanted Emissions, conducted ±2.874dB 3 All emissions, radiated 9K-30MHz ±3.80dB 4 All emissions, radiated 30M-1GHz ±4.18dB 5 All emissions, radiated 1G-6GHz ±4.90dB 6 All emissions, radiated>6G ±5.24dB 7 Conducted Emission (9KHz-150KHz) ±2.19dB 8 Conducted Emission (150KHz-30MHz) ±2.53dB 9 Occupied Channel Bandwidth …

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Page 1 of 2 FCC ID: 2AVD2-H12 Setup photo AC Conduction RF Conduction Page 2 of 2 FCC ID: 2AVD2-H12 RE (Below 1GHz) RE (Above 1GHz)