2BUHJ-M2601075WYMusic Tesla Coil Arc Plasma Coil

shenzhenshixinruidianzikejiyouxiangongsi Room 303, Building D, Banwei Garden, No. 17 Yongxiang Road, Ma'antang Community, Bantian Street, Longgang District, Shenzhen City, Guangdong Province, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2026/01/17 U.S. Agent Designation shenzhenshixinruidianzikejiyouxiangongsi acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2BUHJ-M2601075WY): Name and company of U.S. agent: Bridgeport Advisory LLC Physical U.S. address of agent: 3330 W 38TH PL CHICAGO, IL 60632 United States FRN of U.S. agent: 0037566148 Email address of U.S. agent: [email protected] Bridgeport Advisory LLC acknowledges their obligation to accept service of process on behalf of shenzhenshixinruidianzikejiyouxiangongsi shenzhenshixinruidianzikejiyouxiangongsi with the FRN [0037886041] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. An expiration date for this letter does not exist. Sincerely, Signature Xin Li Manager shenzhenshixinruidianzikejiyouxiangongsi Signature Yong Liu Managing Member Bridgeport Advisory LLC 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

FCC ID: 2BUHJ-M2601075WY External Photos of the EUT FCC ID: 2BUHJ-M2601075WY FCC ID: 2BUHJ-M2601075WY

Label and Location Size: L: 2.0cm*W: 1.0cm Label and Location FCC ID : 2BUHJ-M2601075WY

FCC ID: 2BUHJ-M2601075WY Internal Photos of the EUT FCC ID: 2BUHJ-M2601075WY FCC ID: 2BUHJ-M2601075WY BT ANT

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn RF Exposure MPE Report Reference No. ..................... : FCC ID. ............................................ : CTA26010700302 2BUHJ-M2601075WY Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue ..................................... : Jan. 15, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ............................ : shenzhenshixinruidianzikejiyouxiangongsi Address ............................................ : Room 303, Building D, Banwei Garden, No. 17 Yongxiang Road, Ma'antang Community, Bantian Street, Longgang District, Shenzhen City, Guangdong Province, China Standard ........................................... : 47CFR §1.1310 47CFR §2.1091 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Music Tesla Coil Arc Plasma Coil Trade Mark ....................................... : TKXEC Manufacturer .................................... : shenzhenshixinruidianzikejiyouxiangongsi Model/Type reference ...................... : Tesla01 Listed Models ................................... : N/A Rating ............................................... : DC 48V From external circuit Result ............................................... : PASS Report No.: CTA26010700302 Page 2 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Music Tesla Coil Arc Plasma Coil Model /Type : Tesla01 Listed Models : N/A Applicant : shenzhenshixinruidianzikejiyouxiangongsi Address : Room 303, Building D, Banwei Garden, No. 17 Yongxiang Road, Ma'antang Community, Bantian Street, Longgang District, Shenzhen City, Guangdong Province, China Manufacturer : shenzhenshixinruidianzikejiyouxiangongsi Address : Room 303, Building D, Banwei Garden, No. 17 Yongxiang Road, Ma'antang Community, Bantian Street, Longgang District, Shenzhen City, Guangdong Province, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26010700302 Page 3 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ............................................................................................................ 4 2 SUMMARY .......................................................................................................................... 5 2.1 General Remarks ..................................................................................................... 5 2.2 Product Description ................................................................................................. 5 2.3 Special Accessories ................................................................................................. 5 2.4 Modifications ............................................................................................................ 5 3 TEST ENVIRONMENT ....................................................................................................... 6 3.1 Address of the test laboratory .................................................................................. 6 3.2 Test Facility .............................................................................................................. 6 3.3 Statement of the measurement uncertainty ............................................................. 6 4 Test limit .............................................................................................................................. 7 4.1 Requirement ............................................................................................................ 7 4.2 MPE Calculation Method ......................................................................................... 7 4.3 Conducted Power Results ....................................................................................... 7 4.4 Manufacturing tolerance .......................................................................................... 8 4.5 Standalone MPE Result ........................................................................................... 8 4.6 Simultaneous Transmission for MPE Result ........................................................... 8 5 Conclusion ..............................................................................................................…

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Inverted F Antenna Specification Summary ANT SPECITEM 2.4G ANTModel Name VerticalHorizontal 2500MHz2400MHz2500MHz2400MHz Center Frequency -1.86-2.46-5.25-0.58-0.76-1.26 -0.58dBiMAX. Gain Horizontal and VerticalPolarization Azimuth Beam Pattern Omni-directional 50 OhmImpedance 38.20mmAntenna Length Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Address No. 333 Kexing Road, Xiangzhou District, Zhuhai City 2450MHz2450MHz Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dBi) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dBi) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. .................... : FCC ID. ........................................... : CTA26010700301 2BUHJ-M2601075WY Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Jan. 15, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ........................... : shenzhenshixinruidianzikejiyouxiangongsi Address ............................................ : Room 303, Building D, Banwei Garden, No. 17 Yongxiang Road, Ma'antang Community, Bantian Street, Longgang District, Shenzhen City, Guangdong Province, China Test specification ........................... : Standard ........................................... : FCC Part 15.247 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Music Tesla Coil Arc Plasma Coil Trade Mark ....................................... : TKXEC Manufacturer .................................... : shenzhenshixinruidianzikejiyouxiangongsi Model/Type reference ...................... : Tesla01 Listed Models ................................... : N/A Modulation ....................................... : GFSK, Π/4DQPSK Frequency ........................................ : From 2402MHz to 2480MHz Ratings ............................................. : DC 48V From external circuit Result ............................................... : PASS Report No.: CTA26010700301 Page 2 of 41 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Music Tesla Coil Arc Plasma Coil Model /Type : Tesla01 Listed Models : N/A Applicant : shenzhenshixinruidianzikejiyouxiangongsi Address : Room 303, Building D, Banwei Garden, No. 17 Yongxiang Road, Ma'antang Community, Bantian Street, Longgang District, Shenzhen City, Guangdong Province, China Manufacturer : shenzhenshixinruidianzikejiyouxiangongsi Address : Room 303, Building D, Banwei Garden, No. 17 Yongxiang Road, Ma'antang Community, Bantian Street, Longgang District, Shenzhen City, Guangdong Province, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26010700301 Page 3 of 41 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ...................................................................................................................................... 4 2 SUMMARY .................................................................................................................................................... 5 2.1 General Remarks .............................................................................................................................. 5 2.2 Product Description .......................................................................................................................... 5 2.3 Equipment Under Test ...................................................................................................................... 5 2.4 Short description of the Equipment under Test (EUT) ..................................................................... 5 2.5 EUT configuration ............................................................................................................................. 6 2.6 EUT operation mode ........................................................................................................................ 6 2.7 Block Diagram of Test Setup ............................................................................................................ 6 2.8 Related Submittal(s) / Grant (s) ........................................................................................................ 6 2.9 Modifications ..................................................................................................................................... 6 3 TEST ENVIRONMENT ................................................................................................................................. 7 3.1 Address of the test laboratory ........................................................................................................... 7 3.2 Test Facility .........................................................................................................................…

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1 FCC Appendix RF Test Data for BT FCC ID : 2BUHJ-M2601075WY Company : shenzhenshixinruidianzikejiyouxiangongsi EUT : Music Tesla Coil Arc Plasma Coil Model Number : Tesla01 Report No. : CTA26010700301 Reviewed By : Eric Wang 2 Appendix A: 20dB Emission Bandwidth Test Result TestMode Antenna Freq(MHz) 20dB EBW[MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.960 2401.544 2402.504 --- --- 2441 0.963 2440.544 2441.507 --- --- 2480 0.945 2479.550 2480.495 --- --- 2DH5 Ant1 2402 1.332 2401.343 2402.675 --- --- 2441 1.293 2440.376 2441.669 --- --- 2480 1.293 2479.376 2480.669 --- --- 3 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 4 2DH5_Ant1_2402 2DH5_Ant1_2441 5 2DH5_Ant1_2480 6 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Freq(MHz) OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.85204 2401.5827 2402.4347 --- --- 2441 0.88787 2440.5726 2441.4605 --- --- 2480 0.87824 2479.5730 2480.4513 --- --- 2DH5 Ant1 2402 1.1884 2401.4184 2402.6068 --- --- 2441 1.1865 2440.4170 2441.6035 --- --- 2480 1.2001 2479.4130 2480.6131 --- --- 7 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 8 2DH5_Ant1_2402 2DH5_Ant1_2441 9 2DH5_Ant1_2480 10 Appendix C: Maximum conducted output power Test Result Peak Test Mode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict DH5 Ant1 2402 0.42 ≤20.97 PASS 2441 0.19 ≤20.97 PASS 2480 0.21 ≤20.97 PASS 2DH5 Ant1 2402 -0.36 ≤20.97 PASS 2441 -0.71 ≤20.97 PASS 2480 -0.74 ≤20.97 PASS 11 Appendix D: Carrier frequency separation Test Result TestMode Antenna Freq(MHz) Result[MHz] Limit[MHz] Verdict DH5 Ant1 Hop 1.008 ≥0.963 PASS 2DH5 Ant1 Hop 0.992 ≥0.888 PASS 12 Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop 13 Appendix E: Time of occupancy Test Result TestMode Antenna Freq(MHz) BurstWidth [ms] TotalHops [Num] Result[s] Limit[s] Verdict DH1 Ant1 Hop 0.405 318 0.129 ≤0.4 PASS DH3 Ant1 Hop 1.662 151 0.251 ≤0.4 PASS DH5 Ant1 Hop 2.910 106 0.308 ≤0.4 PASS 2DH1 Ant1 Hop 0.407 316 0.129 ≤0.4 PASS 2DH3 Ant1 Hop 1.662 167 0.278 ≤0.4 PASS 2DH5 Ant1 Hop 2.916 121 0.353 ≤0.4 PASS 14 Test Graphs DH1_Ant1_Hop DH3_Ant1_Hop 15 DH5_Ant1_Hop 16 2DH1_Ant1_Hop 2DH3_Ant1_Hop 17 2DH5_Ant1_Hop 18 19 Appendix F: Number of hopping channels Test Result TestMode Antenna Freq(MHz) Result[Num] Limit[Num] Verdict DH5 Ant1 Hop 79 ≥15 PASS 2DH5 Ant1 Hop 79 ≥15 PASS 20 Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop 21 Appendix G: Band edge measurements Test Result TestMode Antenna ChName Freq(MHz) RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 Low 2402 0.24 -55.91 ≤-19.76 PASS High 2480 -0.12 -56.65 ≤-20.12 PASS Low Hop_2402 -4.50 -54.33 ≤-24.5 PASS High Hop_2480 -3.48 -56.59 ≤-23.48 PASS 2DH5 Ant1 Low 2402 -4.42 -57.85 ≤-24.42 PASS High 2480 -4.16 -57 ≤-24.16 PASS Low Hop_2402 -6.44 -56.7 ≤-26.44 PASS High Hop_2480 -4.56 -56.9 ≤-24.56 PASS 22 Test Graphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop_2402 23 DH5_Ant1_High_Hop_2480 2DH5_Ant1_Low_2402 24 2DH5_Ant1_High_2480 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 25 26 Appendix H: Conducted Spurious Emission Test Result TestMode Antenna Freq(MHz) FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 2402 Reference -0.73 -0.73 --- PASS 30~1000 -0.73 -67.95 ≤-20.73 PASS 1000~26500 -0.73 -43.54 ≤-20.73 PASS 2441 Reference -0.94 -0.94 --- PASS 30~1000 -0.94 -67.67 ≤-20.94 PASS 1000~26500 -0.94 -44.1 ≤-20.94 PASS 2480 Reference -0.99 -0.99 --- PASS 30~1000 -0.99 -67.11 ≤-20.99 PASS 1000~26500 -0.99 -43.84 ≤-20.99 PASS 2DH5 Ant1 2402 Reference -4.90 -4.90 --- PASS 30~1000 -4.90 -67.63 ≤-24.9 PASS 1000~26500 -4.90 -52.16 ≤-24.9 PASS 2441 Reference -6.75 -6.75 --- PASS 30~1000 -6.75 -67.95 ≤-26.75 PASS 1000~26500 -6.75 -50.43 ≤-26.75 PASS 2480 Reference -4.91 -4.91 --- PASS 30~1000 -4.91 -68.25 ≤-24.91 PASS 1000~26500 -4.91 -50.3 ≤-24.91 PASS 27 Test Graphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 28 DH5_Ant1_2441_0~Reference DH5_Ant1_2441_30~1000 29 DH5_Ant1_2441_1000~26500 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 30 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference 31 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 2DH5_Ant1_2441_0~Reference 32 2DH5_Ant1_2441_30~1000 2DH5_Ant1_2441_1000~26500 33 2DH5_Ant1_2480_0~Reference 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 34 35 Appendix I: Duty Cycle Test Result TestMode Antenna Freq(MHz) ON Time [ms] Period [ms] DC [%] xFactor Limit Verdict DH5 Ant1 2402 2.91 3.75 77.60 1.10 --- --- 2441 2.91 3.75 77.60 1.10 --- --- 2480 2.91 3.75 77.60 1.10 --- --- 2DH5 Ant1 2402 2.92 3.75 77.87 1.09 --- --- 2441 2.92 3.75 77.87 1.09 --- --- 2480 2.91 3.75 77.60 1.10 --- ---

36 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 37 2DH5_Ant1_2402 2DH5_Ant1_2441 38 2DH5_Ant1_2480 39 Appendix J: Emissions in Restricted Bands Test Result TestMod e Antenn a ChNam e Freq(MH z) Detector Freq [MHz] Result [dBm] Gain [dB] DC Factor [dB] Result [dBuV/m] Limit [dBuV/m] Verdict DH5 Ant1 Low 2402 AV 2310.000 -60.25 2.00 1.10 38.05 ≤54 PASS AV 2372.240 -58.2 2.00 1.10 40.10 ≤54 PASS AV 2390.000 -59.57 2.00 1.10 38.73 ≤54 PASS Peak 2310.000 -51.21 2.00 0.00 45.99 ≤74 PASS Peak 2387.045 -48.48 2.00 0.00 48.72 ≤74 PASS Peak 2390.000 -50.74 2.00 0.00 46.46 ≤74 PASS High 2480 AV 2483.500 -57.74 2.00 1.10 40.56 ≤54 PASS AV 2484.560 -57.71 2.00 1.10 40.59 ≤54 PASS AV 2500.000 -59.1 2.00 1.10 39.20 ≤54 PASS Peak 2483.500 -50.85 2.00 0.00 46.35 ≤74 PASS Peak 2483.920 -47.42 2.00 0.00 49.78 ≤74 PASS Peak 2500.000 -50.59 2.00 0.00 46.61 ≤74 PASS 2DH5 Ant1 Low 2402 AV 2310.000 -59.56 2.00 1.09 38.73 ≤54 PASS AV 2366.780 -58.56 2.00 1.09 39.73 ≤54 PASS AV 2390.000 -58.86 2.00 1.09 39.43 ≤54 PASS Peak 2310.000 -52.37 2.00 0.00 44.83 ≤74 PASS Peak 2373.290 -48.71 2.00 0.00 48.49 ≤74 PASS Peak 2390.000 -52.13 2.00 0.00 45.07 ≤74 PASS High 2480 AV 2483.500 -58.1 2.00 1.10 40.20 ≤54 PASS AV 2483.840 -57.89 2.00 1.10 40.41 ≤54 PASS AV 2500.000 -58.93 2.00 1.10 39.37 ≤54 PASS Peak 2483.500 -49.31 2.00 0.00 47.89 ≤74 PASS Peak 2490.000 -47.62 2.00 0.00 49.58 ≤74 PASS Peak 2500.000 -51.26 2.00 0.00 45.94 ≤74 PASS Note：The limit in dBm for average detector is conversion from 54dBuV/m, according to 15.209(a). The limit in dBm for peak detector is 20dB above the limit of average detector in dBm. 40 Test Graphs DH5_Ant1_Low_2402_AV DH5_Ant1_Low_2402_Peak DH5_Ant1_High_2480_AV 41 DH5_Ant1_High_2480_Peak 2DH5_Ant1_Low_2402_AV 42 2DH5_Ant1_Low_2402_Peak 2DH5_Ant1_High_2480_AV 2DH5_Ant1_High_2480_Peak 43

FCC ID: 2BUHJ-M2601075WY Test Setup Photos of the EUT FCC ID: 2BUHJ-M2601075WY