2AW95LS0102011261Smart Light Bulb

SPRING SUNSHINE TECHNOLOGY CO., LIMITED 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – Equipment Type Company name: SPRING SUNSHINE TECHNOLOGY CO., LIMITED Address: Room 2401-2404, 24/F., Fu Fai Commercial Centre 27 Hillier Street, Sheung Wan, Hong Kong Product Name: Smart Light Bulb FCC ID: 2AW95LS0102011261 Model(s): LS0102011261, LS10013142 2.911(d)(5)(i) Equipment Type We, [SPRING SUNSHINE TECHNOLOGY CO., LIMITED] (“the applicant”) certify that the equipment for which authorization is sought through certification is not:  Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules.  Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Ben Fu / Date: 2026.03.10 Title and Company name: Manager / SPRING SUNSHINE TECHNOLOGY CO., LIMITED NOTE 1 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

SPRING SUNSHINE TECHNOLOGY CO., LIMITED 2.911 (d)(5)(ii) Applicant Attestation v1.2 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: SPRING SUNSHINE TECHNOLOGY CO., LIMITED Address: Room 2401-2404, 24/F., Fu Fai Commercial Centre 27 Hillier Street, Sheung Wan, Hong Kong Product Name: Smart Light Bulb FCC ID: 2AW95LS0102011261 Model(s): LS0102011261, LS10013142 2.911(d)(5)(ii) Applicant filing We, [SPRING SUNSHINE TECHNOLOGY CO., LIMITED] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 , established pursuant to § 1.50002 of this chapter, as an entity producing covered communications equipment. Yours sincerely, Name: Ben Fu / Date: 2026.03.10 Title and Company name: Manager / SPRING SUNSHINE TECHNOLOGY CO., LIMITED NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

SPRING SUNSHINE TECHNOLOGY CO., LIMITED Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 [March 10, 2026] U.S. Agent Designation [SPRING SUNSHINE TECHNOLOGY CO., LIMITED] 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: 2AW95LS0102011261 Name and company of U.S. agent: [GLOCERTS TECHNOLOGY INC] Physical U.S. address of agent: [19784 SUNKISSED RIDGE DR, RIVERSIDE, CA 92507] FRN of U.S. agent: [0036339737] Email address of U.S. agent: [[email protected]] Telephone of U.S.agent: (626) 588-8039 [GLOCERTS TECHNOLOGY INC] acknowledges their obligation to accept service of process on behalf of [SPRING SUNSHINE TECHNOLOGY CO., LIMITED]. [SPRING SUNSHINE TECHNOLOGY CO., LIMITED] with the FRN [0029869823] accepts its obligation to maintain an agent for service of process in the United States for no less than 1 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. Sincerely, Signature Signature [Ben Fu] [Huiying Fan] [Manager] [Director] [SPRING SUNSHINE TECHNOLOGY CO., LIMITED] [GLOCERTS TECHNOLOGY INC]

SPRING SUNSHINE TECHNOLOGY CO., LIMITED Agent Authorization Company: SPRING SUNSHINE TECHNOLOGY CO., LIMITED Address: Room 2401-2404, 24/F., Fu Fai Commercial Centre 27 Hillier Street, Sheung Wan, Hong Kong Product Name: Smart Light Bulb Model Number(s): LS0102011261, LS10013142 Product Description: Smart Light Bulb We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: March 10, 2026 Name: Ben Fu Title: Manager Company: SPRING SUNSHINE TECHNOLOGY CO., LIMITED

SPRING SUNSHINE TECHNOLOGY CO., LIMITED Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: March 10, 2026 Subject; Request for Confidentiality FCC ID: 2AW95LS0102011261 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Ben Fu Title: Manager

SPRING SUNSHINE TECHNOLOGY CO., LIMITED Model Difference Data：March 10, 2026 Product description: Smart Light Bulb Model name: LS0102011261, LS10013142 Trade Name: Linkind FCC ID: 2AW95LS0102011261 All the model are the same circuit and RF module, only the name is different. Regards Sincerely Client’s signature : Client’s name / title : Ben Fu（Manager） Contact information / address：Room 2401-2404, 24/F., Fu Fai Commercial Centre 27 Hillier Street, Sheung Wan, Hong Kong

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 4 External Photos Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 4 Model: LS0102011261 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 4 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 4 of 4

Model: LS0102011261 FCC ID: 2AW95LS0102011261 14W E26 BR30 120VAC 60HZ 1200Im 1800K-6500K Date code: XXXX Made in China Maer BR30 RGBTW 1200LM Model: LS10013142 FCC ID: 2AW95LS0102011261 14W E26 BR30 120VAC 60HZ 1200Im 1800K-6500K Date code: XXXX Made in China CAUTION: SUITABLE FOR DAMP LOCATIONS. DO NOT USE WITH STANDARD DIMMERS, SEE INSTRUCTIONS. DO NOT USE IN TOTALLY ENCLOSED LUMINAIRES. LK BR30 RGBTW 1200LM

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 3 Model: LS0102011261 Internal Photos Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 3 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 3 ANT

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2AW95LS0102011261 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), 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 Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna,R=20cm Test Result of RF Exposure Evaluation BT+WIFI supported simultaneous transmission: BLE+2.4GWIFI: ∑MPE Ratio =0.0004/1+0.0131/1 =0.0135≤1, So passed. Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result 2.4G WIFI 802.11n(H T20)&241 2 16±1 17 50.1187 1.3122 (1.18dBi) 0.0131 1 Pass BLE GFSK& MCH 1±1 2 1.5849 1.3122 (1.18dBi) 0.0004 1 Pass

www.leedarson.com ▏Better Life with Better IoT Innovation Rev. 1.0 Antenna Specification Antenna picture Antenna Type Internal inverted F PCB antenna Antenna Peak Gain 1.18 dBi Operating Band 2400 MHz ~ 2483.5 MHz Test laboratory name and Address IoT Antenna Test Laboratory, 3 / A,LEEDARSON LIGHTING CO., LTD. Xingtai Industrial Park, Changtai Economic Development Zone, Zhangzhou, 363900, China Antenna Manufacturer LEEDARSON LIGHTING CO., LTD. Model name Smart Light Bulb BR30 RGBTW DUT photo Test Date 2023.5.29 Test Conductor Shangqing Wei Antenna Information www.leedarson.com ▏Better Life with Better IoT Innovation 1 OTA measurement Test System The SY-16 OTA system and RayZone2800 OTA system are anechoic chambers, which can measures antenna passive data such as antenna efficiency, antenna gain, and 2D&3D pattern. The systems are shown as follow: Figure 1 SY-16 OTA system Figure 2 RayZone2800 OTA system Antenna Information www.leedarson.com ▏Better Life with Better IoT Innovation 2 Equipment List Table 1 Equipment List Used Equipment Manufacturer Model No. Serial No. Last Cal. Due Date ☒ Network Analyzer Keysight E5071C MY46527808 2023/1/9 2024/1/8 ☐ Network Analyzer Keysight E5071C MY46108051 2023/4/19 2024/4/18 ☒ Anechoic Chamber Sunyield SY-16 SI1727 2023/4/28 2024/4/27 ☐ Anechoic Chamber General Test System RayZone2800 CT10121244 B5079 2023/5/10 2024/5/9 Test Method Table 2 Test Method Name Antenna Performance Parameter Radiation Efficiency Test Method IEEE Standard Test Procedures for Antennas Standard No. ANSI/IEEE Std 149-2021 Test Software PMS-V2.8.5 ☒ MaxSign-V1.4.3 ☐ Test Result Efficiency and Gain Table 3 Antenna Efficiency and Gain Frequency (MHz) Gain (dBi) Efficiency (dB) Efficiency (%) 2400 0.86 -5.07 31.12 2410 1.07 -4.87 32.58 2420 0.79 -5.12 30.73 2430 0.89 -5.01 31.57 2440 1.18 -4.72 33.72 2450 0.84 -5.08 31.05 2460 0.65 -5.26 29.81 2470 0.82 -5.09 30.99 2480 0.83 -5.08 31.06 2490 0.66 -5.29 29.57 2500 0.65 -5.36 29.13 Antenna Information www.leedarson.com ▏Better Life with Better IoT Innovation 3 Radiation Pattern Table 4 Product coordinates Product Coordinates Table 5 3D radiation pattern 3D Radiation Pattern at 2450MHz Antenna Information www.leedarson.com ▏Better Life with Better IoT Innovation 4 Table 6 Radiation pattern in XY Plane 2D Radiation Pattern ( θ = 90°, XY Plane) Table 7 Radiation pattern in XZ Plane 2D Radiation Pattern ( φ = 0°, XZ Plane) Table 8 Radiation pattern in YZ Plane Antenna Information www.leedarson.com ▏Better Life with Better IoT Innovation 5 2D Radiation Pattern ( φ = 90°, YZ Plane)

Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 36 TEST REPORT Compiled by: Reviewed by: Approved by: Kai Chen Martin Feng Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Test item description: Smart Light Bulb FCC ID: 2AW95LS0102011261 Trademark(s): Linkind Model/Type reference: LS0102011261, LS10013142 Applicant’s name: SPRING SUNSHINE TECHNOLOGY CO., LIMITED Address: Room 2401-2404, 24/F., Fu Fai Commercial Centre 27 Hillier Street, Sheung Wan, Hong Kong Manufacturer: SPRING SUNSHINE TECHNOLOGY CO., LIMITED Address: Room 2401-2404, 24/F., Fu Fai Commercial Centre 27 Hillier Street, Sheung Wan, Hong Kong Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Mar. 06, 2026 Sample tested Date: Mar. 06, 2026 to Mar. 10, 2026 Issue Date: Mar. 10, 2026 Report No.: CTB26030610301RF01 Test Standards FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2020 Test Results PASS Remark: This is Bluetooth radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB26030610301RF01 Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 36 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ........................................................................................................................................ 3 2. TEST SUMMARY ........................................................................................................................... 4 3. MEASUREMENT UNCERTAINTY ................................................................................................. 5 4. PRODUCT INFORMATION AND TEST SETUP ............................................................................ 6 4.1 Product Information .......................................................................................................................... 6 4.2 Test Setup Configuration .................................................................................................................. 6 4.3 Support Equipment........................................................................................................................... 6 4.4 Channel List ..................................................................................................................................... 7 4.5 Test Mode ........................................................................................................................................ 7 4.6 Test Environment ............................................................................................................................. 7 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................................................... 8 5.1 Test Facility ...................................................................................................................................... 8 5.2 Test Instrument Used ....................................................................................................................... 8 6. AC POWER LINE CONDUCTED EMISSION ................................................................................ 11 6.1 Block Diagram Of Test Setup ......................................................................................................... 11 6.2 Limit ................................................................................................................................................ 11 6.3 Test procedure ............................................................................................................................... 11 6.4 Test Result ..................................................................................................................................... 13 7. RADIATED SPURIOUS EMISSION ............................................................................................. 15 7.1 Block Diagram Of Test Setup ......................................................................................................... 15 7.2 Limit ................................................................................................................................................ 15 7.3 Test procedure ............................................................................................................................... 15 7.4 Test Result ..................................................................................................................................... 17 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ............................................... 24 8.1 Block Diagram Of Test Setup ......................................................................................................... 24 8.2 Limit ................................................................................................................................................ 24 8.3 Test procedure ............................................................................................................................... 24 8.4 Test Result ..................................................................................................................................... 25 9. COUDUCTED OUTPUT POWER ............................................................................…

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TEST REPORT Compiled by: Reviewed by: Approved by: Kai Chen Martin Feng Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Test item description: Smart Light Bulb FCC ID: 2AW95LS0102011261 Trademark(s): Linkind Model/Type reference: LS0102011261, LS10013142 Applicant’s name: SPRING SUNSHINE TECHNOLOGY CO., LIMITED Address: Room 2401-2404, 24/F., Fu Fai Commercial Centre 27 Hillier Street, Sheung Wan, Hong Kong Manufacturer: SPRING SUNSHINE TECHNOLOGY CO., LIMITED Address: Room 2401-2404, 24/F., Fu Fai Commercial Centre 27 Hillier Street, Sheung Wan, Hong Kong Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Mar. 06, 2026 Sample tested Date: Mar. 06, 2026 to Mar. 10, 2026 Issue Date: Mar. 10, 2026 Report No.: CTB26030610301RF02 Test Standards FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2020 Test Results PASS Remark: This is WIFI-2.4GHz band radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB26030610301RF02 Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 53 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ........................................................................................................................................ 3 2. TEST SUMMARY ........................................................................................................................... 4 3. MEASUREMENT UNCERTAINTY ................................................................................................. 5 4. PRODUCT INFORMATION AND TEST SETUP ............................................................................ 6 4.1 Product Information .......................................................................................................................... 6 4.2 Test Setup Configuration .................................................................................................................. 6 4.3 Support Equipment........................................................................................................................... 6 4.4 Channel List ..................................................................................................................................... 6 4.5 Test Mode ........................................................................................................................................ 7 4.6 Test Environment ............................................................................................................................. 7 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................................................... 8 5.1 Test Facility ...................................................................................................................................... 8 5.2 Test Instrument Used ....................................................................................................................... 8 6. AC POWER LINE CONDUCTED EMISSION ................................................................................ 11 6.1 Block Diagram Of Test Setup ......................................................................................................... 11 6.2 Limit ................................................................................................................................................ 11 6.3 Test procedure ............................................................................................................................... 11 6.4 Test Result ..................................................................................................................................... 13 7. RADIATED SPURIOUS EMISSION ............................................................................................. 15 7.1 Block Diagram Of Test Setup ......................................................................................................... 15 7.2 Limit ................................................................................................................................................ 15 7.3 Test procedure ............................................................................................................................... 16 7.4 Test Result ..................................................................................................................................... 17 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ............................................... 34 8.1 Block Diagram Of Test Setup ......................................................................................................... 34 8.2 Limit ................................................................................................................................................ 34 8.3 Test procedure ............................................................................................................................... 34 8. 4 Test Result ..................................................................................................................................... 35 9. COUDUCTED OUTPUT POWER ................................................................................................. 41 9.1 Block Diagram Of Test Setup .…

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Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 2 Model: LS0102011261 Radiated Emission Below 1G Above 1G Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 2 Conducted emissions