2A3MABR1Smart LED Bulb

Tel: 8662872558 Lepro Innovation INC Add: 3651 Lindell Road Suite D1048, Las Vegas, Nevada 89103, United States Email: [email protected] Attestation letter Date: 2023-06-26 To whom it may concern Dear Sir/Madam, We, Lepro Innovation INC, hereby authorize China Certification ICT Co., Ltd (Dongguan) to act as a laboratory for testing and test report generation for the following project(s): (Product name: Smart LED Bulb, Model name: BR1, FCC ID:2A3MABR1 ) The chip supports 2.4G WIFI(2412-2462MHz), Bluetooth BDR(GFSK), EDR(π/4- DQPSK, 8DPSK) and BLE Mode, But for this device, BDR and EDR was disabled by software. Sincerely, Signature: Printed Name: Vich Xun Title: QM Director

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Antenna

China Certification ICT Co., Ltd (Dongguan) Report No.: CR230632405-00B Page 44 of 44 5. RF EXPOSURE EVALUATION 5.1 Applicable Standard According to subpart 15.247(i)and subpart §1.1310, systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f²) 30 30–300 27.5 0.073 0.2 30 300–1500 / / f/1500 30 1500–100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. 5.2 Calculation formula Prediction of power density at the distance of the applicable MPE limit S = PG/4R² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); For simultaneously transmit system, the calculated power density should comply with: 5.3 Calculated Result Operating Mode Frequency (MHz) Antenna Gain Conducted output power including Tune- up Tolerance Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) (dBi) (numeric)(dBm)(mW) BLE 2402-24803.96 2.49 0.00 1.00 20.00 0.0003 1.0 WIFI 2412-24623.96 2.49 17.556.2320.00 0.0279 1.0 Note: the Conducted output power including Tune-up Tolerance was declared by manufacturer. BLE and WIFI can`t transmit simultenously. Result: The device meet FCC MPE at 20 cm distance ===== END OF REPORT ====

China Certification ICT Co., Ltd (Dongguan) Report No.: CR230632405-00A Page 57 of 57 5. RF EXPOSURE EVALUATION 5.1 Applicable Standard According to subpart 15.247(i)and subpart §1.1310, systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f²) 30 30–300 27.5 0.073 0.2 30 300–1500 / / f/1500 30 1500–100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. 5.2 Calculation formula Prediction of power density at the distance of the applicable MPE limit S = PG/4R² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); For simultaneously transmit system, the calculated power density should comply with: 5.3 Calculated Result Operating Mode Frequency (MHz) Antenna Gain Conducted output power including Tune- up Tolerance Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) (dBi) (numeric)(dBm)(mW) BLE 2402-24803.96 2.49 0.00 1.00 20.00 0.0003 1.0 WIFI 2412-24623.96 2.49 17.556.2320.00 0.0279 1.0 Note: the Conducted output power including Tune-up Tolerance was declared by manufacturer. BLE and WIFI can`t transmit simultenously. Result: The device meet FCC MPE at 20 cm distance ===== END OF REPORT ====

TEST REPORT Applicant: Lepro Innovation INC Address: 3651 Lindell Road Suite D1048, Las Vegas, Nevada 89103, United States FCC ID: 2A3MABR1 Product Name: Smart LED Bulb Standard(s): 47 CFR Part 15, Subpart C(15.247) ANSI C63.10-2013 KDB 558074 D01 15.247 Meas Guidance v05r02 The above equipment has been tested and found compliant with the requirement of the relative standards by China Certification ICT Co., Ltd (Dongguan) Report Number: CR230632405-00B Date Of Issue: 2023/6/21 Reviewed By: Julie Tan Title: RF Engineer Approved By: Sun Zhong Title: Manager Test Laboratory: China Certification ICT Co., Ltd (Dongguan) No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China Tel: +86-769-82016888 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230632405-00B Page 2 of 44 Test Facility The Test site used by China Certification ICT Co., Ltd (Dongguan) to collect test data is located on the No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China. The lab has been recognized as the FCC accredited lab under the KDB 974614 D01 and is listed in the FCC Public Access Link (PAL) database, FCC Registration No. : 442868, the FCC Designation No. : CN1314. The lab has been recognized by Innovation, Science and Economic Development Canada to test to Canadian radio equipment requirements, the CAB identifier: CN0123. Declarations China Certification ICT Co., Ltd (Dongguan) is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with a triangle symbol “▲”. Customer model name, addresses, names, trademarks etc. are not considered data. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report may contain data that are not covered by the accreditation scope and shall be marked with an asterisk “★”. China Certification ICT Co., Ltd (Dongguan) Report No.: CR230632405-00B Page 3 of 44 CONTENTS T EST FACILITY .......................................................................................................................................... 2 DECLARATIONS .......................................................................................................................................... 2 DOCUMENT REVISION HISTORY .......................................................................................... 5 1. GENERAL INFORMATION .................................................................................................... 6 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................... 6 1.2 DESCRIPTION OF TEST CONFIGURATION ........................................................................................... 7 1.2.1 EUT Operation Condition: ............................................................................................................................. 7 1.2.2 Support Equipment List and Details .............................................................................................................. 7 1.2.3 Support Cable List and Details ...................................................................................................................... 7 1.2.4 Block Diagram of Test Setup ......................................................................................................................... 7 1.3 MEASUREMENT UNCERTAINTY .......................................................................................................... 9 2. SUMMARY OF TEST RESULTS .......................................................................................... 10 3. REQUIREMENTS AND TEST PROCEDURES .................................................................. 11 3.1 AC LINE CONDUCTED EMISSIONS .................................................................................................... 11 3.1.1 Applicable Standard ..................................................................................................................................... 11 3.1.2 EUT Setup.................................................................................................................................................... 12 3.1.3 EMI Test Receiver Setup ............................................................................................................................. 12 3.1.4 Test Procedure ............................................................................................................................................. 13 3.1.5 Corrected Amplitude & Margin Calculation ................................................................................................ 13 3.2 RADIATION SPURIOUS EMISSIONS .................................................................................................... 14 3.2.1 Applicable Standard ..................................................................................................................................... 14 3.2.2 EUT Setup.................................................................................................................................................... 14 3.2.3 EMI Test Receiver & Spectrum Analyzer Setup ......................................................................................... 15 3.2.4 Test Procedure ............................................................................................................................................. 15 3.2.5 Corrected Amplitude & Margin Calculation ................................................................................................ 15 3.3 6 DB EMISSION BANDWIDTH: ...................................................................................................…

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TEST REPORT Applicant: Lepro Innovation INC Address: 3651 Lindell Road Suite D1048, Las Vegas, Nevada 89103, United States FCC ID: 2A3MABR1 Product Name: Smart LED Bulb Standard(s): 47 CFR Part 15, Subpart C(15.247) ANSI C63.10-2013 KDB 558074 D01 15.247 Meas Guidance v05r02 The above equipment has been tested and found compliant with the requirement of the relative standards by China Certification ICT Co., Ltd (Dongguan) Report Number: CR230632405-00A Date Of Issue: 2023/6/21 Reviewed By: Julie Tan Title: RF Engineer Approved By: Sun Zhong Title: Manager Test Laboratory: China Certification ICT Co., Ltd (Dongguan) No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China Tel: +86-769-82016888 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230632405-00A Page 2 of 57 Test Facility The Test site used by China Certification ICT Co., Ltd (Dongguan) to collect test data is located on the No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China. The lab has been recognized as the FCC accredited lab under the KDB 974614 D01 and is listed in the FCC Public Access Link (PAL) database, FCC Registration No. : 442868, the FCC Designation No. : CN1314. The lab has been recognized by Innovation, Science and Economic Development Canada to test to Canadian radio equipment requirements, the CAB identifier: CN0123. Declarations China Certification ICT Co., Ltd (Dongguan) is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with a triangle symbol “▲”. Customer model name, addresses, names, trademarks etc. are not considered data. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report may contain data that are not covered by the accreditation scope and shall be marked with an asterisk “★”. China Certification ICT Co., Ltd (Dongguan) Report No.: CR230632405-00A Page 3 of 57 CONTENTS T EST FACILITY .......................................................................................................................................... 2 DECLARATIONS .......................................................................................................................................... 2 DOCUMENT REVISION HISTORY .......................................................................................... 5 1. GENERAL INFORMATION .................................................................................................... 6 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................... 6 1.2 DESCRIPTION OF TEST CONFIGURATION ........................................................................................... 8 1.2.1 EUT Operation Condition: ............................................................................................................................. 8 1.2.2 Support Equipment List and Details .............................................................................................................. 8 1.2.3 Support Cable List and Details ...................................................................................................................... 8 1.2.4 Block Diagram of Test Setup ......................................................................................................................... 9 1.3 MEASUREMENT UNCERTAINTY ........................................................................................................ 10 2. SUMMARY OF TEST RESULTS .......................................................................................... 11 3. REQUIREMENTS AND TEST PROCEDURES .................................................................. 12 3.1 AC LINE CONDUCTED EMISSIONS .................................................................................................... 12 3.1.1 Applicable Standard ..................................................................................................................................... 12 3.1.2 EUT Setup.................................................................................................................................................... 13 3.1.3 EMI Test Receiver Setup ............................................................................................................................. 13 3.1.4 Test Procedure ............................................................................................................................................. 14 3.1.5 Corrected Amplitude & Margin Calculation ................................................................................................ 14 3.2 RADIATION SPURIOUS EMISSIONS .................................................................................................... 15 3.2.1 Applicable Standard ..................................................................................................................................... 15 3.2.2 EUT Setup.................................................................................................................................................... 15 3.2.3 EMI Test Receiver & Spectrum Analyzer Setup ......................................................................................... 16 3.2.4 Test Procedure ............................................................................................................................................. 16 3.2.5 Corrected Amplitude & Margin Calculation ................................................................................................ 16 3.3 MINIMUM 6 DB EMISSION BANDWIDTH ........................................................................................... 1…

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OTA TEST REPORT 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: Peng Tao Approved by: Kai Xu TA Technology (Shanghai) Co., Ltd. No.145, Jintang Rd, Tangzhen Industry Park, Pudong Shanghai, China TEL: +86‐021‐50791141/2/3 FAX: +86‐021‐50791141/2/3‐8000 Applicant Espressif System (Shanghai) Co.,Ltd Product ESP32-C3-MINI-1 Model ESP-ANT D-H Report No. Y2102A0260-T2 Issue Date March 9, 2021 OTA Test Report Report No: Y2102A0260-T2 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 2 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. TABLE OF CONTENTS 1. Test Laboratory .............................................................................................................................. 3 1.1. Notes of the Test Report ................................................................................................... 3 1.2. Test facility ........................................................................................................................ 3 1.3. Testing Location ................................................................................................................ 3 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：The EUT Appearance and Test Configuration ...................................................................... 12 B.1 EUT Appearance ................................................................................................................... 12 B.2 Test Configuration ................................................................................................................. 13 OTA Test Report Report No: Y2102A0260-T2 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 3 of 13 This report shall not be reproduced except in full, without the written approval of 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 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) TA Technology (Shanghai) Co., Ltd. has been listed by American Association for Laboratory Accreditation to perform measurement. 1.3. Testing Location Company: TA Technology (Shanghai) Co., Ltd. Address: No.145, Jintang Rd, Tangzhen Industry Park, Pudong Shanghai, China City: Shanghai Post code: 201201 Country: P. R. China Contact: Xu Kai Telephone: +86-021-50791141/2/3 Fax: +86-021-50791141/2/3-8000 Website: http://www.ta-shanghai.com E-mail: [email protected] OTA Test Report Report No: Y2102A0260-T2 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 4 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 1.4. Laboratory Environment Temperature Min. =19°C，Max. = 25°C Relative humidity Min. =40%，Max. =72% Shield effect 0.7-6GHz > 100dB Ground resistance <0.5 OTA Test Report Report No: Y2102A0260-T2 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 5 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 2. General Description of Equipment under Test 2.1. Applicant and Manufacturer Information Applicant Name Espressif System (Shanghai) Co.,Ltd Applicant address Suite 204 Block 2, 690 Bibo Road, Zhang Jiang Hi-Tech Park, Shanghai, China Manufacturer Name Espressif System (Shanghai) Co.,Ltd Manufacturer address Suite 204 Block 2, 690 Bibo Road, Zhang Jiang Hi-Tech Park, Shanghai, China 2.2. …

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EXHIBIT D - TEST SETUP PHOTOGRAPHS Conducted Emissions Front View Conducted Emissions Side View Radiated Emission Below 1GHz View Radiated Emission Above 1GHz View