2A9MI-P30-PROHELMET WIRELESS EARPHONE

Local Representative Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(7), of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2A9MI-P30-PRO P30 Pro We hereby acknowledge as follows: i. both signees confirm that the point of contact accepts responsibility to act as a US- American Representative on behalf of the applicant ii. the point of contact provides the physical U.S. address and email as listed below iii. both parties maintain the requirements of this agreement 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. iv. 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. US-American Point of Contact Applicant/Approval Holder Signature Date: 2025-12-1 Signature Date: 2025-12-1 Company Name: GLOCERTS TECHNOLOGY INC Shenzhen Yixi Technology Co., LTD FRN: 0036339737 0033155482 Contact Name: Huiying Fan Qisong Wang Address: 19784 SUNKISSED RIDGE DR, RIVERSIDE, CA 92507 Second Floor, Building B, Area A, Longquan Science Park, Dalang Huaxing Road, Longhua District, Shenzhen City, China Phone: (626) 588-8039 +86-13423817655 Email: [email protected] [email protected]

Page 1 of 3 FCC ID: 2A9MI-P30-PRO External photos Page 2 of 3 FCC ID: 2A9MI-P30-PRO Page 3 of 3 FCC ID: 2A9MI-P30-PRO

Label 1. The label is silk-screen on the sample FCC ID: 2A9MI-P30-PRO

Page 1 of 2 FCC ID: 2A9MI-P30-PRO Internal photos BT1 ANT(F05) BT2 ANT(D3) Page 2 of 2 FCC ID: 2A9MI-P30-PRO

Page 1 of 7 Report No.: AiTSZ-251125009FW3 Note: This device has been tested and found to comply with the standard(s) listed, this 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. This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited. If there is a need to alter or revise this document, the right belongs to Guangdong Asia Hongke Test Technology Limited, and it should give a prior written notice of the revision document. This test report must not be used by the client to claim product endorsement. Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. RF Exposure evaluation Product Name : HELMET WIRELESS EARPHONE Brand Name : N/A Model : P30 Pro Series Model : N/A FCC ID : 2A9MI-P30-PRO Applicant : Shenzhen Yixi Technology Co., LTD Address : Second Floor, Building B, Area A, Longquan Science Park, Dalang Huaxing Road, Longhua District, Shenzhen City,China Manufacturer : Shenzhen Yixi Technology Co., LTD Address : Second Floor, Building B, Area A, Longquan Science Park, Dalang Huaxing Road, Longhua District, Shenzhen City,China Standard(s) : 47CFR §1.1310, 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Date of Receipt : Nov.25, 2025 Date of Test : Nov.25, 2025~ Nov.27, 2025 Issued Date : Nov.27, 2025 Issued By: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Reviewed by: Approved by: Aalen.Ye Allen Wang Page 2 of 7 Report No.: AiTSZ-251125009FW3 Report Revise Record Report Version Issued Date Notes M0 Nov.27, 2025 Initial Release Page 3 of 7 Report No.: AiTSZ-251125009FW3 Contents 1 GENERAL INFORMATION ....................................................................................................................................... 4 1.1 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 4 1.2 GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 4 1.3 TEST FACILITY .............................................................................................................................................................. 5 1.4 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 5 2 METHOD OF MEASUREMENT ................................................................................................................................ 6 2.1 APPLICABLE STANDARD .................................................................................................................................................. 6 2.2 EVALUATION METHOD AND LIMIT .................................................................................................................................... 6 2.3 MANUFACTURING TOLERANCE ........................................................................................................................................ 7 2.4 EVALUATION RESULT ..................................................................................................................................................... 7 2.5 CONCLUSION ............................................................................................................................................................... 7 Page 4 of 7 Report No.: AiTSZ-251125009FW3 1 GENERAL INFORMATION 1.1 Environmental conditions During the measurement the environmental conditions were within the listed ranges: Normal Temperature: 25°C Relative Humidity: 55 % Air Pressure: 101 kPa 1.2 General Description of EUT Product Name: HELMET WIRELESS EARPHONE Model/Type reference: P30 Pro Serial Model: N/A Power Supply: Input: 5V/1A DC 3.7V 1000mAh 3.7Wh Rechargeable Li-ion battery Hardware Version: V1.0 Software Version: V1.6 Sample(s) Status: AiTSZ-251125009-1(Normal sample) AiTSZ-251125009-2(Engineer sample) Bluetooth LE: Supported type: Bluetooth BR/EDR Modulation: GFSK, π/4DQPSK, 8DPSK Operation frequency: 2402MHz~2480MHz Channel number: 79 Channel separation: 1MHz Antenna type: BT1: Chip antenna BT2: Chip antenna Antenna gain: BT1:2.06dBi BT2:3.54dBi Remark: The above DUT's information was declared by manufacturer. For more detailed features description, please refer to the manufacturer’s specifications or the User's Manual. Page 5 of 7 Report No.: AiTSZ-251125009FW3 1.3 Test Facility Test Laboratory: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China The test facility is recognized, certified or accredited by the following organizations: FCC-Registration No.: 251906 Designation Number: CN1376 Guangdong Asia Hongke Test Technology Limited has been registered and fully described in a report filed with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. IC —Registration No.: 31737 CAB identifier: CN0165 The 3m Semi-anechoic chamber of Guangdong Asia Hongke Test Technology Limited has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing with Registration No.: 31737 A2LA-Lab Cert. No.: 7133.01 Guangdong Asia Hongke Test Technology Limited has been accredited by A2LA for technical competence in the field of electrical testing, and proved to be in compliance with ISO/IEC 17025: 2017 General Require…

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Page 1 of 50 Report No.: AiTSZ-251125009FW1 Appendix RF test data for BT1 Page 2 of 50 Report No.: AiTSZ-251125009FW1 1. Bandwidth 1.1 Test Result 1.1.1 OBW Mode TX Type Frequency (MHz) Packet Type ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.858 / Pass 2441 DH5 1 0.856 / Pass 2480 DH5 1 0.859 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.172 / Pass 2441 2DH5 1 1.169 / Pass 2480 2DH5 1 1.171 / Pass 8DPSK SISO 2402 3DH5 1 1.180 / Pass 2441 3DH5 1 1.180 / Pass 2480 3DH5 1 1.183 / Pass 1.1.2 20dB BW Mode TX Type Frequency (MHz) Packet Type ANT 20dB Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.958 / Pass 2441 DH5 1 0.952 / Pass 2480 DH5 1 0.952 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.286 / Pass 2441 2DH5 1 1.286 / Pass 2480 2DH5 1 1.288 / Pass 8DPSK SISO 2402 3DH5 1 1.307 / Pass 2441 3DH5 1 1.310 / Pass 2480 3DH5 1 1.307 / Pass Page 3 of 50 Report No.: AiTSZ-251125009FW1 1.2 Test Graph 1.2.1 OBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 4 of 50 Report No.: AiTSZ-251125009FW1 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 5 of 50 Report No.: AiTSZ-251125009FW1 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 6 of 50 Report No.: AiTSZ-251125009FW1 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV Page 7 of 50 Report No.: AiTSZ-251125009FW1 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV Page 8 of 50 Report No.: AiTSZ-251125009FW1 1.2.2 20dB BW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 9 of 50 Report No.: AiTSZ-251125009FW1 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 10 of 50 Report No.: AiTSZ-251125009FW1 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 11 of 50 Report No.: AiTSZ-251125009FW1 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV Page 12 of 50 Report No.: AiTSZ-251125009FW1 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV Page 13 of 50 Report No.: AiTSZ-251125009FW1 2. Maximum Conducted Output Power 2.1 Test Result 2.1.1 Power Mode TX Type Frequency (MHz) Packet Type Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit GFSK SISO 2402 DH5 -0.09 <=30 Pass 2441 DH5 0.16 <=30 Pass 2480 DH5 -0.04 <=30 Pass Pi/4DQPSK SISO 2402 2DH5 0.88 <=20.97 Pass 2441 2DH5 1.11 <=20.97 Pass 2480 2DH5 0.94 <=20.97 Pass 8DPSK SISO 2402 3DH5 1.30 <=20.97 Pass 2441 3DH5 1.56 <=20.97 Pass 2480 3DH5 1.53 <=20.97 Pass Note1: Antenna Gain: Ant1: 2.06dBi; Page 14 of 50 Report No.: AiTSZ-251125009FW1 3. Carrier Frequency Separation 3.1 Test Result 3.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Channel Separation (MHz) 20dB Bandwidth (MHz) Limit (MHz) Verdict GFSK SISO HOPP DH5 1.002 0.958 >=0.958 Pass Pi/4DQPSK SISO HOPP 2DH5 1.003 1.288 >=0.859 Pass 8DPSK SISO HOPP 3DH5 0.998 1.310 >=0.873 Pass Page 15 of 50 Report No.: AiTSZ-251125009FW1 3.2 Test Graph 3.2.1 Ant1 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Page 16 of 50 Report No.: AiTSZ-251125009FW1 8DPSK_3DH5_HOPP_Ant1_NTNV Page 17 of 50 Report No.: AiTSZ-251125009FW1 4. Number of Hopping Frequencies 4.1 Test Result 4.1.1 HoppNum Mode TX Type Frequency (MHz) Packet Type Num of Hopping Frequencies Verdict ANT1 Limit GFSK SISO HOPP DH5 79 >=15 Pass Pi/4DQPSK SISO HOPP 2DH5 79 >=15 Pass 8DPSK SISO HOPP 3DH5 79 >=15 Pass Page 18 of 50 Report No.: AiTSZ-251125009FW1 4.2 Test Graph 4.2.1 HoppNum GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Page 19 of 50 Report No.: AiTSZ-251125009FW1 8DPSK_3DH5_HOPP_Ant1_NTNV Page 20 of 50 Report No.: AiTSZ-251125009FW1 5. Time of Occupancy (Dwell Time) 5.1 Test Result 5.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Duration of Single Pulse (ms) Observation Period (s) Num of Pulse in Observation Period Dwell Time (ms) Limit (ms) Verdict GFSK SISO HOPP DH1 0.378 31.600 319 120.582 <=400 Pass DH3 1.638 31.600 154 252.252 <=400 Pass DH5 2.886 31.600 92 265.512 <=400 Pass Pi/4DQPSK SISO HOPP 2DH1 0.390 31.600 320 124.800 <=400 Pass 2DH3 1.646 31.600 163 268.298 <=400 Pass 2DH5 2.886 31.600 112 323.232 <=400 Pass 8DPSK SISO HOPP 3DH1 0.392 31.600 319 125.048 <=400 Pass 3DH3 1.640 31.600 153 250.920 <=400 Pass 3DH5 2.892 31.600 110 318.120 <=400 Pass Page 21 of 50 Report No.: AiTSZ-251125009FW1 5.2 Test Graph 5.2.1 Ant1 GFSK_DH1_HOPP_Ant1_NTNV GFSK_DH1_HOPP_Ant1_NTNV Page 22 of 50 Report No.: AiTSZ-251125009FW1 GFSK_DH3_HOPP_Ant1_NTNV GFSK_DH3_HOPP_Ant1_NTNV Page 23 of 50 Report No.: AiTSZ-251125009FW1 GFSK_DH5_HOPP_Ant1_NTNV GFSK_DH5_HOPP_Ant1_NTNV Page 24 of 50 Report No.: AiTSZ-251125009FW1 Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV Page 25 of 50 Report No.: AiTSZ-251125009FW1 Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV Page 26 of 50 Report No.: AiTSZ-251125009FW1 Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Page 27 of 50 Report No.: AiTSZ-251125009FW1 8DPSK_3DH1_HOPP_Ant1_NTNV 8DPSK_3DH1_HOPP_Ant1_NTNV Page 28 of 50 Report No.: AiTSZ-251125009FW1 8DPSK_3DH3_HOPP_Ant1_NTNV 8DPSK_3DH3_HOPP_Ant1_NTNV Page 29 of 50 Report No.: AiTSZ-251125009FW1 8DPSK_3DH5_HOPP_Ant1_NTNV 8DPSK_3DH5_HOPP_Ant1_NTNV Page 30 of 50 Report No.: AiTSZ-251125009FW1 6. Unwanted Emissions In Non-restricted Frequency Bands 6.1 Test Result 6.1.1 Ref Mode TX Type Frequency (MHz) Packet Type ANT Level of Reference (dBm) GFSK SISO 2402 DH5 1 -0.14 2441 DH5 1 0.12 2480 DH5 1 -0.10 HOPP DH5 1 0.31 0.31 Pi/4DQPSK SISO 2402 2DH5 1 -0.21 2441 2DH5 1 0.13 2480 2DH5 1 -0.07 HOPP 2DH5 1 0.35 0.35 8DPSK SISO 2402 3DH5 1 -0.10 2441 3DH5 1 0.04 2480 3DH5 1 0.01 HOPP 3DH5 1 0.42 0.42 Note1: Refer to FCC Part 15.247 (d) and ANSI C63.10-2020, the channel contains the maximum PSD level was used to establish the reference level. 6.1.2 CSE Mode TX Type Frequency (MHz) Packet Type ANT Level of Reference (dBm) Limit (dBm) Verdict GFSK SISO 2402 DH5 1 -0.14 -20.14 Pass 2441 DH5 1 0.12 -19.88 Pass 2480 DH5 1 -0.10 -20.10 Pass HOPP DH5 1 0.31 -19.69 Pass 0.31 -19.69 Pass Pi/4DQPSK SISO 2402 2DH5 1 -0.…

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Page 1 of 50 Report No.: AiTSZ-251125009FW2 Appendix RF test data for BT2 Page 2 of 50 Report No.: AiTSZ-251125009FW2 1. Bandwidth 1.1 Test Result 1.1.1 OBW Mode TX Type Frequency (MHz) Packet Type ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.877 / Pass 2441 DH5 1 0.883 / Pass 2480 DH5 1 0.882 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.169 / Pass 2441 2DH5 1 1.173 / Pass 2480 2DH5 1 1.176 / Pass 8DPSK SISO 2402 3DH5 1 1.173 / Pass 2441 3DH5 1 1.181 / Pass 2480 3DH5 1 1.184 / Pass 1.1.2 20dB BW Mode TX Type Frequency (MHz) Packet Type ANT 20dB Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.955 / Pass 2441 DH5 1 0.959 / Pass 2480 DH5 1 0.993 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.319 / Pass 2441 2DH5 1 1.286 / Pass 2480 2DH5 1 1.286 / Pass 8DPSK SISO 2402 3DH5 1 1.301 / Pass 2441 3DH5 1 1.299 / Pass 2480 3DH5 1 1.297 / Pass Page 3 of 50 Report No.: AiTSZ-251125009FW2 1.2 Test Graph 1.2.1 OBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 4 of 50 Report No.: AiTSZ-251125009FW2 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 5 of 50 Report No.: AiTSZ-251125009FW2 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 6 of 50 Report No.: AiTSZ-251125009FW2 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV Page 7 of 50 Report No.: AiTSZ-251125009FW2 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV Page 8 of 50 Report No.: AiTSZ-251125009FW2 1.2.2 20dB BW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 9 of 50 Report No.: AiTSZ-251125009FW2 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 10 of 50 Report No.: AiTSZ-251125009FW2 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 11 of 50 Report No.: AiTSZ-251125009FW2 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV Page 12 of 50 Report No.: AiTSZ-251125009FW2 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV Page 13 of 50 Report No.: AiTSZ-251125009FW2 2. Maximum Conducted Output Power 2.1 Test Result 2.1.1 Power Mode TX Type Frequency (MHz) Packet Type Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit GFSK SISO 2402 DH5 1.48 <=30 Pass 2441 DH5 1.47 <=30 Pass 2480 DH5 0.71 <=30 Pass Pi/4DQPSK SISO 2402 2DH5 2.40 <=20.97 Pass 2441 2DH5 2.36 <=20.97 Pass 2480 2DH5 1.60 <=20.97 Pass 8DPSK SISO 2402 3DH5 2.81 <=20.97 Pass 2441 3DH5 2.74 <=20.97 Pass 2480 3DH5 1.95 <=20.97 Pass Note1: Antenna Gain: Ant1: 3.54dBi; Page 14 of 50 Report No.: AiTSZ-251125009FW2 3. Carrier Frequency Separation 3.1 Test Result 3.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Channel Separation (MHz) 20dB Bandwidth (MHz) Limit (MHz) Verdict GFSK SISO HOPP DH5 1.000 0.993 >=0.993 Pass Pi/4DQPSK SISO HOPP 2DH5 1.001 1.319 >=0.879 Pass 8DPSK SISO HOPP 3DH5 1.013 1.301 >=0.867 Pass Page 15 of 50 Report No.: AiTSZ-251125009FW2 3.2 Test Graph 3.2.1 Ant1 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Page 16 of 50 Report No.: AiTSZ-251125009FW2 8DPSK_3DH5_HOPP_Ant1_NTNV Page 17 of 50 Report No.: AiTSZ-251125009FW2 4. Number of Hopping Frequencies 4.1 Test Result 4.1.1 HoppNum Mode TX Type Frequency (MHz) Packet Type Num of Hopping Frequencies Verdict ANT1 Limit GFSK SISO HOPP DH5 79 >=15 Pass Pi/4DQPSK SISO HOPP 2DH5 79 >=15 Pass 8DPSK SISO HOPP 3DH5 79 >=15 Pass Page 18 of 50 Report No.: AiTSZ-251125009FW2 4.2 Test Graph 4.2.1 HoppNum GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Page 19 of 50 Report No.: AiTSZ-251125009FW2 8DPSK_3DH5_HOPP_Ant1_NTNV Page 20 of 50 Report No.: AiTSZ-251125009FW2 5. Time of Occupancy (Dwell Time) 5.1 Test Result 5.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Duration of Single Pulse (ms) Observation Period (s) Num of Pulse in Observation Period Dwell Time (ms) Limit (ms) Verdict GFSK SISO HOPP DH1 0.386 31.600 320 123.520 <=400 Pass DH3 1.646 31.600 166 273.236 <=400 Pass DH5 2.892 31.600 106 306.552 <=400 Pass Pi/4DQPSK SISO HOPP 2DH1 0.396 31.600 318 125.928 <=400 Pass 2DH3 1.648 31.600 160 263.680 <=400 Pass 2DH5 2.902 31.600 101 293.102 <=400 Pass 8DPSK SISO HOPP 3DH1 0.394 31.600 319 125.686 <=400 Pass 3DH3 1.650 31.600 157 259.050 <=400 Pass 3DH5 2.904 31.600 108 313.632 <=400 Pass Page 21 of 50 Report No.: AiTSZ-251125009FW2 5.2 Test Graph 5.2.1 Ant1 GFSK_DH1_HOPP_Ant1_NTNV GFSK_DH1_HOPP_Ant1_NTNV Page 22 of 50 Report No.: AiTSZ-251125009FW2 GFSK_DH3_HOPP_Ant1_NTNV GFSK_DH3_HOPP_Ant1_NTNV Page 23 of 50 Report No.: AiTSZ-251125009FW2 GFSK_DH5_HOPP_Ant1_NTNV GFSK_DH5_HOPP_Ant1_NTNV Page 24 of 50 Report No.: AiTSZ-251125009FW2 Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV Page 25 of 50 Report No.: AiTSZ-251125009FW2 Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV Page 26 of 50 Report No.: AiTSZ-251125009FW2 Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Page 27 of 50 Report No.: AiTSZ-251125009FW2 8DPSK_3DH1_HOPP_Ant1_NTNV 8DPSK_3DH1_HOPP_Ant1_NTNV Page 28 of 50 Report No.: AiTSZ-251125009FW2 8DPSK_3DH3_HOPP_Ant1_NTNV 8DPSK_3DH3_HOPP_Ant1_NTNV Page 29 of 50 Report No.: AiTSZ-251125009FW2 8DPSK_3DH5_HOPP_Ant1_NTNV 8DPSK_3DH5_HOPP_Ant1_NTNV Page 30 of 50 Report No.: AiTSZ-251125009FW2 6. Unwanted Emissions In Non-restricted Frequency Bands 6.1 Test Result 6.1.1 Ref Mode TX Type Frequency (MHz) Packet Type ANT Level of Reference (dBm) GFSK SISO 2402 DH5 1 1.39 2441 DH5 1 1.38 2480 DH5 1 0.59 HOPP DH5 1 1.57 1.57 Pi/4DQPSK SISO 2402 2DH5 1 1.42 2441 2DH5 1 1.37 2480 2DH5 1 0.63 HOPP 2DH5 1 1.45 1.45 8DPSK SISO 2402 3DH5 1 1.40 2441 3DH5 1 1.37 2480 3DH5 1 0.56 HOPP 3DH5 1 1.46 1.46 Note1: Refer to FCC Part 15.247 (d) and ANSI C63.10-2020, the channel contains the maximum PSD level was used to establish the reference level. 6.1.2 CSE Mode TX Type Frequency (MHz) Packet Type ANT Level of Reference (dBm) Limit (dBm) Verdict GFSK SISO 2402 DH5 1 1.39 -18.61 Pass 2441 DH5 1 1.38 -18.62 Pass 2480 DH5 1 0.59 -19.41 Pass HOPP DH5 1 1.57 -18.43 Pass 1.57 -18.43 Pass Pi/4DQPSK SISO 2402 2DH5 1 1.42 -18.58…

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Page 1 of 35 Report No.: AiTSZ-251125009FW1 Note: This device has been tested and found to comply with the standard(s) listed, this 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. This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited. If there is a need to alter or revise this document, the right belongs to Guangdong Asia Hongke Test Technology Limited, and it should give a prior written notice of the revision document. This test report must not be used by the client to claim product endorsement. Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. TEST REPORT Product Name : HELMET WIRELESS EARPHONE Brand Name : N/A Model : P30 Pro Series Model : N/A FCC ID : 2A9MI-P30-PRO Applicant : Shenzhen Yixi Technology Co., LTD Address : Second Floor, Building B, Area A, Longquan Science Park, Dalang Huaxing Road, Longhua District, Shenzhen City,China Manufacturer : Shenzhen Yixi Technology Co., LTD Address : Second Floor, Building B, Area A, Longquan Science Park, Dalang Huaxing Road, Longhua District, Shenzhen City,China Standard(s) : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of Receipt : Nov.25, 2025 Date of Test : Nov.25, 2025~ Nov.27, 2025 Issued Date : Nov.27, 2025 Issued By: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Reviewed by: Approved by: Aalen.Ye Allen Wang Page 2 of 35 Report No.: AiTSZ-251125009FW1 Report Revise Record Report Version Issued Date Notes M0 Nov.27, 2025 Initial Release Page 3 of 35 Report No.: AiTSZ-251125009FW1 Contents 1 TEST SUMMARY .................................................................................................................................................... 4 1.1 TEST STANDARDS ......................................................................................................................................................... 4 1.2 TEST SUMMARY ........................................................................................................................................................... 4 1.3 TEST FACILITY .............................................................................................................................................................. 5 1.4 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 5 2 GENERAL INFORMATION ....................................................................................................................................... 6 2.1 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 6 2.2 GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 6 2.3 DESCRIPTION OF TEST MODES AND TEST FREQUENCY .......................................................................................................... 7 2.4 SPECIAL ACCESSORIES ................................................................................................................................................... 8 2.5 EQUIPMENT LIST FOR THE TEST ....................................................................................................................................... 8 3 TEST CONDITIONS AND RESULTS ......................................................................................................................... 10 3.1 CONDUCTED EMISSIONS TEST ....................................................................................................................................... 10 3.2 RADIATED EMISSIONS AND BAND EDGE .......................................................................................................................... 13 3.3 MAXIMUM PEAK OUTPUT POWER ................................................................................................................................. 20 3.4 20DB BANDWIDTH ..................................................................................................................................................... 21 3.5 OCCUPIED BANDWIDTH ............................................................................................................................................... 22 3.6 FREQUENCY SEPARATION ............................................................................................................................................. 23 3.7 NUMBER OF HOPPING FREQUENCY ................................................................................................................................. 24 3.8 TIME OF OCCUPANCY (DWELL TIME) .............................................................................................................................. 25 3.9 OUT-OF-BAND EMISSIONS ........................................................................................................................................... 26 3.10 PSEUDORANDOM FREQUENCY HOPPING SEQUENCE .......................................................................................................... 28 3.11 ANTENNA REQUIREMENT ............................................................................................................................................. 29 4 TEST SETUP PHOTOGRAPHS OF EUT .................................................................................................................... 30 5 PHOTOS OF EUT …

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Page 1 of 32 Report No.: AiTSZ-251125009FW2 Note: This device has been tested and found to comply with the standard(s) listed, this 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. This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited. If there is a need to alter or revise this document, the right belongs to Guangdong Asia Hongke Test Technology Limited, and it should give a prior written notice of the revision document. This test report must not be used by the client to claim product endorsement. Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. TEST REPORT Product Name : HELMET WIRELESS EARPHONE Brand Name : N/A Model : P30 Pro Series Model : N/A FCC ID : 2A9MI-P30-PRO Applicant : Shenzhen Yixi Technology Co., LTD Address : Second Floor, Building B, Area A, Longquan Science Park, Dalang Huaxing Road, Longhua District, Shenzhen City,China Manufacturer : Shenzhen Yixi Technology Co., LTD Address : Second Floor, Building B, Area A, Longquan Science Park, Dalang Huaxing Road, Longhua District, Shenzhen City,China Standard(s) : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of Receipt : Nov.25, 2025 Date of Test : Nov.25, 2025~ Nov.27, 2025 Issued Date : Nov.27, 2025 Issued By: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Reviewed by: Approved by: Aalen.Ye Allen Wang Page 2 of 32 Report No.: AiTSZ-251125009FW2 Report Revise Record Report Version Issued Date Notes M0 Nov.27, 2025 Initial Release Page 3 of 32 Report No.: AiTSZ-251125009FW2 Contents 1 TEST SUMMARY .................................................................................................................................................... 4 1.1 TEST STANDARDS ......................................................................................................................................................... 4 1.2 TEST SUMMARY ........................................................................................................................................................... 4 1.3 TEST FACILITY .............................................................................................................................................................. 5 1.4 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 5 2 GENERAL INFORMATION ....................................................................................................................................... 6 2.1 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 6 2.2 GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 6 2.3 DESCRIPTION OF TEST MODES AND TEST FREQUENCY .......................................................................................................... 7 2.4 SPECIAL ACCESSORIES ................................................................................................................................................... 8 2.5 EQUIPMENT LIST FOR THE TEST ....................................................................................................................................... 8 3 TEST CONDITIONS AND RESULTS ......................................................................................................................... 10 3.1 CONDUCTED EMISSIONS TEST ............................................................................................................................…

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