2BA2P-MXS003Space man Bluetooth

Attestation Statements (May. 04, 2023) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (2BA2P-MXS003) (Dongguan Meixin Si lighting co., LTD.), the undersigned, hereby authorize (SOUTH BAY INNOVATION LLC) to act as our designated U.S. agent for service of process, (Dongguan Meixin Si lighting 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. (SOUTH BAY INNOVATION LLC) accepts the responsibility to act as designated U.S. agent for service of process, provides 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. Applicant Information ： Company name: Dongguan Meixin Si lighting co., LTD. Contact Name: Li Shiyong Address: Room 201, Building 1, No.199 Tutangtang East Road, changping town, Dongguan City, Guangdong Province Telephone No: 13538214502 Email: [email protected] U.S. Agent Information: Company Name: SOUTH BAY INNOVATION LLC Address: 23545 CRENSHAW BLVD STE 106 Torrance, CA 90505 Contact Name: Yueting Zhu Telephone No: 4243769142 Email: [email protected] FRN: 0033401811 Applicant Signature: Agent Signature: Applicant printed name: Li Shiyong Agent printed name: Yueting Zhu

Dongguan Meixin Si lighting co., LTD. Model Difference Data：2023.04.28 Product description: Space man Bluetooth Model name: MXS003, MXS005, MXS006 Trade Name: N/A FCC ID: 2BA2P-MXS003 All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : Li Shiyong（General manager） Contact information / address：Room 201, Building 1, No.199 Tutangtang East Road, changping town, Dongguan City, Guangdong Province

Dongguan Meixin Si lighting co., LTD. (2023.04.28) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Space man Bluetooth / MXS003, MXS005, MXS006 / FCC ID: 2BA2P-MXS003) 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 Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☒ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☒ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name: Li Shiyong Title: General manager

Dongguan Meixin Si lighting co., LTD. (2023.04.28) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology 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, Signature: Name: Li Shiyong Title: General manager

External Photos

FCC ID LABEL: Label Location: FCC ID: 2BA2P-MXS003 Model No.: MXS003 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.

External Photos ANT

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BA2P-MXS003 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 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 EDR 8DPSK & LCH 4±1 5 3.1623 0.875 (-0.58dBi) 0.0006 1 Pass

Shenzhen CTB Testing Technology Co., Ltd. Report No.:CTB230421035RFX Report Tel: 4008-707-283Web: http://www.ctb-lab.net Page 1 of 59 TEST REPORT Compiled by: Reviewed by: Approved by: Chen Zheng Arron Liu 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. Product Name: Space man Bluetooth FCC ID: 2BA2P-MXS003 Trademark: N/A Model Number: MXS003, MXS005, MXS006 Prepared For: Dongguan Meixin Si lighting co., LTD. Address: Room 201, Building 1, No.199 Tutangtang East Road, changping town, Dongguan City, Guangdong Province Manufacturer: Dongguan Meixin Si lighting co., LTD. Address: Room 201, Building 1, No.199 Tutangtang East Road, changping town, Dongguan City, Guangdong Province 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: Apr. 17, 2023 Sample tested Date: Apr. 17, 2023 to Apr. 23, 2023 Issue Date: Apr. 23, 2023 Report No.: CTB230421035RFX Test Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is Bluetooth radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.:CTB230421035RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 59 TABLE OF CONTENT Test Report Declaration Page 1. VERSION .......................................................................... 4 2. TEST SUMMARY ................................................................... 5 3. MEASUREMENT UNCERTAINTY ..................................................... 6 4. PRODUCT INFORMATION AND TEST SETUP .......................................... 7 4.1 Product Information .................................................................... 7 4.2 Test Setup Configuration ............................................................... 7 4.3 Support Equipment .................................................................... 7 4.4 Channel List .......................................................................... 8 4.5 Test Mode ............................................................................ 8 4.6 Test Environment ...................................................................... 8 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................... 9 5.1 Test Facility ........................................................................... 9 5.2 Test Instrument Used .................................................................. 9 6. AC POWER LINE CONDUCTED EMISSION ............................................ 12 6.1 Block Diagram Of Test Setup .......................................................... 12 6.2 Limit ................................................................................ 12 6.3 Test procedure ....................................................................... 12 6.4 Test Result .......................................................................... 14 7. RADIATED SPURIOUS EMISSION ................................................... 16 7.1 Block Diagram Of Test Setup .......................................................... 16 7.2 Limit ................................................................................ 16 7.3 Test procedure ....................................................................... 17 7.4 Test Result .......................................................................... 18 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS .......................... 27 8.1 Block Diagram Of Test Setup .......................................................... 27 8.2 Limit ................................................................................ 27 8.3 Test procedure ....................................................................... 27 8.4 Test Result .......................................................................... 28 9. COUDUCTED PEAK OUTPUT POWER ............................................... 35 9.1 Block Diagram Of Test Setup .......................................................... 35 9.2 Limit ................................................................................ 35 9.3 Test procedure ....................................................................... 35 9.4 Test Result .......................................................................... 36 10. 20DB OCCUPIED BANDWIDTH...................................................... 40 10.1 Block Diagram Of Test Setup ......................................................... 40 10.2 Limit ............................................................................... 40 10.3 Test procedure ...................................................................... 40 10.4 Test Result ......................................................................... 40 11. CARRIERFREQUENCIES SEPARATION .............................................. 44 11.1 Block Diagram Of Test Setup ......................................................... 44 11.2 Limit ............................................................................... 44 11.3 Test procedure ...................................................................... 44 11.4 Test Result ......................................................................... 44 12. HOPPING CHANNEL NUMBER ...................................................... 48 12.1 Block Diagram Of Test Setup .........................................…

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Radiated Emission Below 1G Above 1G Conducted emissions