2AKVI-36KPartyKeys

Rev 1/26/2023 Shenzhen Shigan Culture Technology Co., Ltd Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 12-25-2025 Ref: Attestation Statements Part 2.911(d)(7) Filing Applicant Information: FCC ID ：2AKVI-36K Applicant FRN: 0026161273 Company Name: Shenzhen Shigan Culture Technology Co., Ltd Address: No.806.Block 6. Shenzhen Software Industry BaseYuehai Avenue, Nanshan District, Shenzhen, Guangdong Desiqned and Assembled in China Contact Person: Yan Zhao Phone: 18611190476 Email: [email protected] [Shenzhen Shigan Culture Technology Co., Ltd] certifies that, as of the date of the filing of the application, [FCC US Agent, LLC] is our designated U.S. agent for service of process for the above referenced FCC ID. [Shenzhen Shigan Culture Technology Co., Ltd] accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. [FCC US Agent, LLC] accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company Name: FCC US Agent, LLC FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Phone: 708-571-3148 Email: [email protected] Sincerely, [Shenzhen Shigan Culture Technology Co., Ltd] FCC US Agent, LLC [Yan Zhao] Tim Payne

(Shenzhen Shigan Culture Technology Co., Ltd.) (2025.12.23) 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:2AKVI-36K) [Shenzhen Shigan Culture 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, (Applicant signature) (Applicant printed name) Yan Zhao (Shenzhen Shigan Culture Technology Co., Ltd.) (2025.12.23) 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:2AKVI-36K) [Shenzhen Shigan Culture 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, (Applicant signature) (Applicant printed name) Yan Zhao

Shenzhen Shigan Culture Technology Co., Ltd. 2025.12.23 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: PartyKeys Trademark: PartyKeys MODEL : PartyKeys One, One Pro, Two, Two Pro, Three, Three Pro FCC ID : 2AKVI-36K 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 - Schematics - Operational Description 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, Client’s signature: Client’s name / title : Yan Zhao/ Manager Contact information / address: No.806.Block 6. Shenzhen Software Industry BaseYuehai Avenue, Nanshan District, Shenzhen, Guangdong Desiqned and Assembled in China

Shenzhen Shigan Culture Technology Co., Ltd. 2025.12.23 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA 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, Client’s signature: Client’s name / title : Yan Zhao/ Manager Contact information / address: No.806.Block 6. Shenzhen Software Industry BaseYuehai Avenue, Nanshan District, Shenzhen, Guangdong Desiqned and Assembled in China

Shenzhen Shigan Culture Technology Co., Ltd. Model Difference 2025-12-23 EUT NAME: PartyKeys FCC ID: 2AKVI-36K MODEL : PartyKeys One, One Pro, Two, Two Pro, Three, Three Pro All the model are the same circuit and RF module, except model names and appearance of the color. Regards Sincerely Client’s signature: Client’s name / title : Yan Zhao/ Manager Contact information / address: No.806.Block 6. Shenzhen Software Industry BaseYuehai Avenue, Nanshan District, Shenzhen, Guangdong Desiqned and Assembled in China

Page 1 of 14 Report No.:STS2512391 External Photos Page 2 of 14 Report No.:STS2512391 Page 3 of 14 Report No.:STS2512391 Page 4 of 14 Report No.:STS2512391 Page 5 of 14 Report No.:STS2512391

Size:50*30mm PartyKeys FCC ID: 2AKVI-36K 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. Label location

Page 6 of 14 Report No.:STS2512391 Internal Photos Page 7 of 14 Report No.:STS2512391 Page 8 of 14 Report No.:STS2512391 Antenna Page 9 of 14 Report No.:STS2512391 Page 10 of 14 Report No.:STS2512391 Page 11 of 14 Report No.:STS2512391 Page 12 of 14 Report No.:STS2512391 Page 13 of 14 Report No.:STS2512391 Page 14 of 14 Report No.:STS2512391

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.: STS2512391H01 Issued for Shenzhen Shigan Culture Technology Co., Ltd. No.806.Block 6. Shenzhen Software Industry BaseYuehai Avenue, Nanshan District, Shenzhen, Guangdong Desiqned and Assembled in China Product Name: PartyKeys Brand Name: PartyKeys Model Name: PartyKeys One Series Model(s): One Pro, Two, Two Pro, Three, Three Pro FCC ID: 2AKVI-36K Test Standard: FCC 47CFR §2.1093 Page 2 of 9 Report No.: STS2512391H01 TEST REPORT Applicant’s Name ................. : Shenzhen Shigan Culture Technology Co., Ltd. Address ................................. : No.806.Block 6. Shenzhen Software Industry BaseYuehai Avenue, Nanshan District, Shenzhen, Guangdong Desiqned and Assembled in China Manufacturer's Name ........... : Shenzhen Shigan Culture Technology Co., Ltd. Address ................................. : No.806.Block 6. Shenzhen Software Industry BaseYuehai Avenue, Nanshan District, Shenzhen, Guangdong Desiqned and Assembled in China Product Description Product Name ........................ : PartyKeys Brand Name .......................... : PartyKeys Model Name .......................... : PartyKeys One Series Model(s) ...................... : One Pro, Two, Two Pro, Three, Three Pro Test Standards ..................... : FCC 47CFR §2.1093 447498 D01 Interim General RF Exposure Guidance v06 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 ...................... : 28 Nov. 2025 Date (s) of performance of tests ............. : 28 Nov. 2025 to 15 Dec. 2025 Date of Issue .......................................... : 20 Dec. 2025 Test Result .............................................. : Pass Testing Engineer : (Aaron Bu) Technical Manager : (Skylar Li) Authorized Signatory : (Bovey Yang) Page 3 of 9 Report No.: STS2512391H01 TABLE OF CONTENTS 1. GENERAL INFORMATION 5 1.1 GENERAL DESCRIPTION OF THE EUT 5 1.2 TEST FACTORY 6 2. FCC 47CFR §2.1093 REQUIREMENT 7 2.1 TEST STANDARDS 7 2.2 LIMIT 7 2.3 TEST RESULT 9 Page 4 of 9 Report No.: STS2512391H01 Revision History Rev. Issue Date Report No. Effect Page Contents 00 20 Dec. 2025 STS2512391H01 ALL Initial Issue Page 5 of 9 Report No.: STS2512391H01 1. GENERAL INFORMATION 1.1 GENERAL DESCRIPTION OF THE EUT Product Name PartyKeys Brand Name PartyKeys Model Name PartyKeys One Series Model(s) One Pro, Two, Two Pro, Three, Three Pro Model Difference All models are identical except for the model name, the test model is PartyKeys One. Product Description The EUT is a PartyKeys. Operation Frequency: 2402 – 2480 MHz 802.11b/g/n 20: 2412~2462 MHz 802.11n40:2422~2452MHz Modulation Type: GFSK 802.11b(DSSS):CCK,DQPSK,DBPSK 802.11g(OFDM): BPSK,QPSK,16-QAM,64-QAM 802.11n(OFDM): BPSK,QPSK,16-QAM,64-QAM Bit Rate of Transmitter: 802.11b:11/5.5/2/1 Mbps 802.11g:54/48/36/24/18/12/9/6Mbps 802.11n(20MHz): 65/58.5/52/39/26/19.5/13/6.5Mbps 802.11n(40MHz): 135/121.5/108/81/54/40.5/37/13.5Mbps Number of Channel: BLE: 40 802.11b/g/n20: 11CH 802.11n40: 7CH Antenna Type: PCB antenna Antenna Gain (dBi): BLE/2.4G WIFI: 3.37 Power Rating DC 3.7V from battery, DC 5V from adapter Adapter Manufacture: Shenzhen Aquilstar Technology Co., Ltd. Model No.: ASGaN83w-P40W20 Input: AC 100-240V 50/60Hz 1.0A Output: 5V3A, 9V3A, 12V3A, 15V2.66A, 20V2A Battery DC 3.7V Hardware Version N/A Software Version N/A Page 6 of 9 Report No.: STS2512391H01 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 7 of 9 Report No.: STS2512391H01 2. FCC 47CFR §2.1093 REQUIREMENT 2.1 TEST STANDARDS The limit for Maximum Permissible Exposure (MPE) specified in KDB 447498 D01 General RF Exposure Guidance v06 is followed. The gain of the antennas used in the product is extracted from the Antenna data sheets provided and also the maximum total power input to the antenna is measured. Through the Friis transmission formula and the maximum gain of the antenna, we can calculate the distance, away from the product, where the limit of MPE is reached. Although the Friis Transmission formula is far field assumption, the calculated result of that is an over-prediction for near field power density. It is taken as worst case to specify the safety range. 2.2 LIMIT Approximate SAR Test Exclusion Power Thresholds at Selected Frequencies and Test Separation Distances are illustrated in the following Table. Page 8 of 9 Report No.: STS2512391H01 The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] • [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR,where f(GHz) is the RF channel transmit frequency in GHz. Power and distance are rounded to the nearest mW and mm before calculation The result is rounded to one decimal place for comparison The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. Page 9 of 9 Report No.: STS2512391H01 2.3 TEST RESULT Maximum measured transmitter power. Worst Case Mode frequency Maximum Output Power Tune up tolerance Max Tune up GHz dBm dBm dBm BLE (GFSK) 2.48 -0.54 0±1 1 WIFI (802.11b) 2.412 6.48 6±1 7 Eval…

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OTA TEST REPORT Eurofins TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in ANSI/IEEE Std 149-2008. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. Prepared by: Xu Ying Approved by: Xu Kai Eurofins TA Technology (Shanghai) Co., Ltd. Building 3, No.145, Jintang Rd, Pudong Shanghai, P.R.China TEL: +86-021-50791141/2/3 FAX: +86-021-50791141/2/3-8000 Applicant Espressif System (Shanghai) Co.,Ltd Product ESP32-C3-WROOM-02 Model ESP-ANT B Report No. Y2102A0260-T3V2 Issue Date February 19, 2025 OTA Test Report Report No: Y2102A0260-T3V2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 2 of 14 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. TABLE OF CONTENTS 1. Test Laboratory ................................................................................................................................ 4 1.1. Notes of the Test Report ...................................................................................................... 4 1.2. Test Facility .......................................................................................................................... 4 1.3. Testing Location ................................................................................................................... 4 1.4. Laboratory Environment ...................................................................................................... 4 2. General Description of Equipment under Test ................................................................................. 5 2.1. Applicant and Manufacturer Information.............................................................................. 5 2.2. General information ............................................................................................................. 5 2.3. Test Date .............................................................................................................................. 5 2.4. Receiving Date ..................................................................................................................... 5 2.5. Applied Standards ................................................................................................................ 6 3. Test Conditions................................................................................................................................. 7 3.1. Test Configuration ................................................................................................................ 7 3.2. Test Measurement ............................................................................................................... 7 4. Test Results ...................................................................................................................................... 8 4.1. Gain and Efficiency .............................................................................................................. 8 5. Equipment List .................................................................................................................................. 9 ANNEX A: 3-D Pattern Plots ....................................................................................................................... 10 ANNEX B: 2-D Pattern Plots ....................................................................................................................... 11 ANNEX C: The EUT Appearance, Antenna plots and Test Configuration ................................................. 12 C.1 EUT Appearance ..................................................................................................................... 12 C.2 Antenna plots ........................................................................................................................... 13 C.3 Test Configuration ................................................................................................................... 14 OTA Test Report Report No: Y2102A0260-T3V2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 3 of 14 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Version Revision description Issue Date Rev.0 Initial issue of report. March 9, 2021 Rev.1 Update information in Page 6 and 14. September 21, 2022 Rev.2 Update description. February 19, 2025 Note: This revised report (Report No. Y2102A0260-T3V2) supersedes and replaces the previously issued report (Report No. Y2102A0260-T3V1). Please discard or destroy the previously issued report and dispose of it accordingly. OTA Test Report Report No: Y2102A0260-T3V2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 4 of 14 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 1. Test Laboratory 1.1. Notes of the Test Report This report shall not be reproduced in full or partial, without the written approval of Eurofins TA technology (shanghai) co., Ltd. The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein. Measurement Uncertainties were not taken into account and are published for informational purposes only. This report is written to support regulatory compliance of the applicable standards stated above. 1.2. Test Facility A2LA (Certificate Number: 3857.01) Eurofins TA Technology (Shanghai) Co., Ltd. has been listed by American Association for Laboratory Accreditation to perform measurement. 1.3. Testing Location Company: Eurofins TA Technology (Shanghai) Co., Ltd. Address: Building 3, No.145, Jintang Rd, Pudong Shanghai, P.R.China City: Shanghai Post code: 201201 Country: P. R. China Contact: Xu Kai Telephone: +86-021-50791141/2/3 Fax: +86-021-507911…

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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.: STS2512391W01 Issued for Shenzhen Shigan Culture Technology Co., Ltd. No.806.Block 6. Shenzhen Software Industry BaseYuehai Avenue, Nanshan District, Shenzhen, Guangdong Desiqned and Assembled in China Product Name: PartyKeys Brand Name: PartyKeys Model Name: PartyKeys One Series Model(s): One Pro, Two, Two Pro, Three, Three Pro FCC ID: 2AKVI-36K Test Standards: FCC Part15.247 Page 2 of 70 Report No.: STS2512391W01 TEST REPORT Applicant’s Name ..................: Shenzhen Shigan Culture Technology Co., Ltd. Address ..................................: No.806.Block 6. Shenzhen Software Industry BaseYuehai Avenue, Nanshan District, Shenzhen, Guangdong Desiqned and Assembled in China Manufacturer's Name ...........: Shenzhen Shigan Culture Technology Co., Ltd. Address ..................................: No.806.Block 6. Shenzhen Software Industry BaseYuehai Avenue, Nanshan District, Shenzhen, Guangdong Desiqned and Assembled in China Product Description Product Name .........................: PartyKeys Brand Name ...........................: PartyKeys Model Name ...........................:... : PartyKeys One Series Model(s) .....................: One Pro, Two, Two Pro, Three, Three Pro Test 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 IC 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 ...................... : 28 Nov. 2025 Date (s) of performance of tests ............. : 28 Nov. 2025 to 15 Dec. 2025 Date of Issue ........................................... : 20 Dec. 2025 Test Result ............................................... : Pass Testing Engineer : (Aaron Bu) Technical Manager : (Skylar Li) Authorized Signatory : (Bovey Yang) Page 3 of 70 Report No.: STS2512391W01 Table of Contents Page 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 DESCRIPTION OF THE TEST MODES 9 2.3 TEST SOFTWARE AND POWER LEVEL 10 2.4 BLOCK DIAGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 10 2.5 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 11 2.6 EQUIPMENTS LIST 12 3. EMC EMISSION TEST 13 3.1 CONDUCTED EMISSION MEASUREMENT 13 3.2 TEST PROCEDURE 14 3.3 TEST SETUP 14 3.4 EUT OPERATING CONDITIONS 14 3.5 TEST RESULTS 15 4. RADIATED EMISSION MEASUREMENT 17 4.1 RADIATED EMISSION LIMITS 17 4.2 TEST PROCEDURE 19 4.3 TEST SETUP 20 4.4 EUT OPERATING CONDITIONS 20 4.5 FIELD STRENGTH CALCULATION 21 4.6 TEST RESULTS 22 5. CONDUCTED SPURIOUS & BAND EDGE EMISSION 37 5.1 LIMIT 37 5.2 TEST PROCEDURE 37 5.3 TEST SETUP 37 5.4 EUT OPERATION CONDITIONS 37 5.5 TEST RESULTS 37 6. POWER SPECTRAL DENSITY TEST 38 6.1 LIMIT 38 6.2 TEST PROCEDURE 38 6.3 TEST SETUP 38 Page 4 of 70 Report No.: STS2512391W01 Table of Contents Page 6.4 EUT OPERATION CONDITIONS 38 6.5 TEST RESULTS 38 7. BANDWIDTH TEST 39 7.1 LIMIT 39 7.2 TEST PROCEDURE 39 7.3 TEST SETUP 39 7.4 EUT OPERATION CONDITIONS 39 7.5 TEST RESULTS 39 8. PEAK OUTPUT POWER TEST 40 8.1 LIMIT 40 8.2 TEST PROCEDURE 40 8.3 TEST SETUP 40 8.4 EUT OPERATION CONDITIONS 40 8.5 TEST RESULTS 40 9. ANTENNA REQUIREMENT 41 9.1 STANDARD REQUIREMENT 41 9.2 EUT ANTENNA 41 APPENDIX 1-TEST DATA 42 APPENDIX 2- EUT TEST PHOTO 70 Page 5 of 70 Report No.: STS2512391W01 Revision History Rev. Issue Date Report No. Effect Page Contents 00 20 Dec. 2025 STS2512391W01 ALL Initial Issue Page 6 of 70 Report No.: STS2512391W01 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)(2) 6dB Bandwidth PASS -- 15.247 (b)(3) Output Power PASS -- 15.209 Radiated Spurious Emission PASS -- 15.247 (d) Conducted Spurious & Band Edge Emission PASS -- 15.247 (e) Power Spectral Density 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 70 Report No.: STS2512391W01 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 ±0.751dB 2 Unwanted Emissions, conducted ±2.888dB 3 All emissions, radiated 9K-30MHz ±2.48dB 4 All emissions, radiated 30M-1GHz ±2.52dB 5 All emissions, radiated 1G-18GHz ±3.48dB 6 All emissions, radiated>18GHz ±4.18dB 7 Conducted Emission (9KHz-150KHz) ±2.48dB 8 Conducted Emission (150KHz-30MHz) ±2.52dB 9 Occupied Channel Bandwidth ±3.6% 10 Power Spectral Density, conducted ±1.214dB 11 Duty Cycle ±3.2% Page 8 of 70 Report No.: STS2512391W01 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF THE EUT Product Name PartyKeys Brand Name PartyKeys …

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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.: STS2512391W02 Issued for Shenzhen Shigan Culture Technology Co., Ltd. No.806.Block 6. Shenzhen Software Industry BaseYuehai Avenue, Nanshan District, Shenzhen, Guangdong Desiqned and Assembled in China Product Name: PartyKeys Brand Name: PartyKeys Model Name: PartyKeys One Series Model(s): One Pro, Two, Two Pro, Three, Three Pro FCC ID: 2AKVI-36K Test Standards: FCC Part15.247 Page 2 of 87 Report No.: STS2512391W02 TEST REPORT Applicant’s Name ................. : Shenzhen Shigan Culture Technology Co., Ltd. Address .................................. : No.806.Block 6. Shenzhen Software Industry BaseYuehai Avenue, Nanshan District, Shenzhen, Guangdong Desiqned and Assembled in China Manufacturer's Name ........... : Shenzhen Shigan Culture Technology Co., Ltd. Address .................................. : No.806.Block 6. Shenzhen Software Industry BaseYuehai Avenue, Nanshan District, Shenzhen, Guangdong Desiqned and Assembled in China Product Description Product Name ........................ : PartyKeys Brand Name ........................... : PartyKeys Model Name ........................... : PartyKeys One Series Model(s) .................... : One Pro, Two, Two Pro, Three, Three Pro Standards ............................. : FCC Part 15.247 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 ...................... : 28 Nov. 2025 Date (s) of performance of tests ............. : 28 Nov. 2025 to 15 Dec. 2025 Date of Issue .......................................... : 20 Dec. 2025 Test Result .............................................. : Pass Testing Engineer : (Aaron Bu) Technical Manager : (Skylar Li) Authorized Signatory : (Bovey Yang) Page 3 of 87 Report No.: STS2512391W02 Table of Contents Page 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 DESCRIPTION OF THE TEST MODES 10 2.3 TEST SOFTWARE AND POWER LEVEL 10 2.4 BLOCK DIAGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 11 2.5 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 11 2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS 12 3. EMC EMISSION TEST 13 3.1 CONDUCTED EMISSION MEASUREMENT 13 3.2 RADIATED EMISSION MEASUREMENT 17 4. CONDUCTED SPURIOUS & BAND EDGE EMISSION 35 4.1 LIMIT 35 4.2 TEST PROCEDURE 35 4.3 DEVIATION FROM STANDARD 35 4.4 TEST SETUP 35 4.5 EUT OPERATION CONDITIONS 35 4.6 TEST RESULTS 35 5. POWER SPECTRAL DENSITY TEST 36 5.1 LIMIT 36 5.2 TEST PROCEDURE 36 5.3 DEVIATION FROM STANDARD 36 5.4 TEST SETUP 36 5.5 EUT OPERATION CONDITIONS 36 5.6 TEST RESULTS 36 6. BANDWIDTH TEST 37 6.1 LIMIT 37 6.2 TEST PROCEDURE 37 6.3 DEVIATION FROM STANDARD 37 6.4 TEST SETUP 37 6.5 EUT OPERATION CONDITIONS 37 Page 4 of 87 Report No.: STS2512391W02 Table of Contents Page 6.6 TEST RESULTS 37 7. PEAK OUTPUT POWER TEST 38 7.1 LIMIT 38 7.2 TEST PROCEDURE 38 7.3 DEVIATION FROM STANDARD 38 7.4 TEST SETUP 38 7.5 EUT OPERATION CONDITIONS 38 7.6 TEST RESULTS 38 8. ANTENNA REQUIREMENT 39 8.1 STANDARD REQUIREMENT 39 8.2 EUT ANTENNA 39 APPENDIX 1-TEST DATA 40 APPENDIX 2-PHOTOS OF TEST SETUP 87 Page 5 of 87 Report No.: STS2512391W02 Revision History Rev. Issue Date Report No. Effect Page Contents 00 20 Dec. 2025 STS2512391W02 ALL Initial Issue Page 6 of 87 Report No.: STS2512391W02 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)(2) 6dB Bandwidth PASS -- 15.247 (b)(3) Output Power PASS -- 15.209 Radiated Spurious Emission PASS -- 15.247 (d) Conducted Spurious & Band Edge Emission PASS -- 15.247 (e) Power Spectral Density PASS -- 15.205 Restricted Band Edge Emission 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 87 Report No.: STS2512391W02 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 ±0.751dB 2 Unwanted Emissions, conducted ±2.888dB 3 All emissions, radiated 9K-30MHz ±2.48dB 4 All emissions, radiated 30M-1GHz ±2.52dB 5 All emissions, radiated 1G-18GHz ±3.48dB 6 All emissions, radiated>18GHz ±4.18dB 7 Conducted Emission (9KHz-150KHz) ±2.48dB 8 Conducted Emission (150KHz-30MHz) ±2.52dB 9 Occupied…

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