2AWNZ-SE-16Strue wireless Bluetooth earbuds

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 NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. Warning: changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment The devices has been evaluated to meet general RF exposure requirement， the device can be used in portable exposure condition with restriction

Model difference declaration letter Differences Description We Shenzhen Sanerzhi Chuang Technology Co. Ltd. state: Product： true wireless Bluetooth earbuds Model Name： SE-16S, MZS005, SE-16, SE-16B, SE-18, SE-19, SE-20, SE-21 The above product with same circuit, PCB layout, electrical parts, materials and wiring structures, Appearance shape, the materials of decorative accessories is same, only different color, Signatory Date: 2020-07-02 Signature Name: Jack Wang Title: Manager Company: Shenzhen Sanerzhi Chuang Technology Co. Ltd. Address: 2Nd floor of District 2, 3, Xixiangzhoushiluhong, Bao'an District, Shenzhen

Shenzhen Sanerzhi Chuang Technology Co. Ltd. (July 02. 2020) MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR EUT: true wireless Bluetooth earbuds Model: SE-16S, MZS005, SE-16, SE-16B, SE-18, SE-19, SE-20, SE-21 FCC ID: 2AWNZ-SE-16S 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 -Schematic -Block diagram -Operation description required to be submitted with this application be permanently withheld from public review. the above documents are company proprietary information that could never get into the possession of your competition). Please contact me if there is any information you may need. Sincerely, Signature Name: Jack Wang Title: Manager Company: Shenzhen Sanerzhi Chuang Technology Co. Ltd. Address: 2Nd floor of District 2, 3, Xixiangzhoushiluhong, Bao'an District, Shenzhen

Shenzhen Sanerzhi Chuang Technology Co. Ltd. (July 02. 2020) Eurofins MET Labs 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Flux Compliance Service Laboratory 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: Jack Wang Title: Manager Company: Shenzhen Sanerzhi Chuang Technology Co. Ltd. Address: 2Nd floor of District 2, 3, Xixiangzhoushiluhong, Bao'an District, Shenzhen

External photos Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6

Label and Label Location FCC ID: 2AWNZ-SE-16S L*W: 10mm*7mm white font on a Black label

Internal photos Photo 1 Photo 2 Photo 3 Chip Antenna Photo 4 Photo 5

FCC Test Report Report No: FCS202006013W01 Issued for Applicant: Shenzhen Sanerzhi Chuang Technology Co. Ltd. Address: 2Nd floor of District 2, 3, Xixiangzhoushiluhong, Bao'an District, Shenzhen Product Name: true wireless Bluetooth earbuds Brand Name: NA Model Name: SE-16S Series Model: MZS005, SE-16, SE-16B, SE-18, SE-19, SE-20, SE-21 FCC ID: 2AWNZ-SE-16S Issued By: Flux Compliance Service Laboratory Add: Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.fcs-lab.com Page 2 of 33 Report No.: FCS202006013W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.fcs-lab.com TEST RESULT CERTIFICATION Applicant’s Name ................... : Shenzhen Sanerzhi Chuang Technology Co. Ltd. Address .................................. : 2Nd floor of District 2, 3, Xixiangzhoushiluhong, Bao'an District, Shenzhen Manufacture's Name .............. : Shenzhen Sanerzhi Chuang Technology Co. Ltd. Address .................................. : 2Nd floor of District 2, 3, Xixiangzhoushiluhong, Bao'an District, Shenzhen Product Description Product Name ........................ : true wireless Bluetooth earbuds Brand Name .......................... : NA Model Name ........................... : SE-16S Series Model........................... : MZS005, SE-16, SE-16B, SE-18, SE-19, SE-20, SE-21 Test Standards ....................... : FCC Rules and Regulations Part 15 Subpart C, Section 249 Test Procedure ....................... : ANSI C63.10:2013 This device described above has been tested FCS, 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. This report shall not be reproduced except in full, without the written approval of FCS, this document may be altered or revised by FCS, personal only, and shall be noted in the revision of the document.. Date of Test ................................. : Date (s) of performance of tests : 15 Jun, 2020 ~ 24 Jun, 2020 Date of Issue ............................... : 24 Jun, 2020 Test Result ................................... : Pass Tested by : (Chris Chen) Reviewed by : (Jack Chen) Approved by : ( Andy yue) Page 3 of 33 Report No.: FCS202006013W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.fcs-lab.com Table of Contents Page 1. SUMMARY OF TEST RESULTS 5 1.1 TEST FACTORY 6 1.2 MEASUREMENT UNCERTAINTY 6 2. GENERAL INFORMATION 7 2.1 GENERAL DESCRIPTION OF THE EUT 7 2.2 DESCRIPTION OF THE TEST MODES 9 2.3 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 10 2.4 EQUIPMENTS LIST 11 3 CONDUCTED EMISSION MEASUREMENT 12 3.1 LIMIT 12 3.2 TEST PROCEDURE 12 3.3 TEST SETUP 13 3.4 TEST RESULTS 13 4. RADIATED EMISSION MEASUREMENT 16 4.1 LIMIT 16 4.2 TEST PROCEDURE 17 4.3 TEST SETUP 18 4.4 TEST RESULTS 19 5. BAND EDGE TEST 26 5.1 LIMIT 26 5.2 TEST PROCEDURE 26 5.3 TEST SETUP 27 5.4 TEST RESULTS 28 6. 20 DB BANDWIDTH TEST 30 6.1 LIMIT 30 6.2 TEST PROCEDURE 30 6.3 TEST SETUP 30 6.4 TEST RESULTS 31 7. ANTENNA REQUIREMENT 33 7.1 STANDARD REQUIREMENT 33 7.2 EUT ANTENNA 33 Page 4 of 33 Report No.: FCS202006013W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.fcs-lab.com Revision History Rev. Issue Date Effect Page Contents 00 24 Jun, 2020 All Initial Issue Page 5 of 33 Report No.: FCS202006013W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.fcs-lab.com 1. SUMMARY OF TEST RESULTS FCC Part 15.249,Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS -- 15.205(a), 15.209(a), 15.249(a), 15.249(c) Radiated Spurious Emission PASS -- 15.209 Field strength of fundamental PASS 15.249(d) Band Edge Emission PASS -- 15.215(c) 20dB Bandwidth 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 C63.10-2013 Page 6 of 33 Report No.: FCS202006013W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.fcs-lab.com 1.1 TEST FACTORY Company Name: Flux Compliance Service Laboratory Address: Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Telephone: +86-769-27280901 Fax: +86-769-27280901 FCC Test Firm Registration Number: 514908 Designation number: CN0127 A2LA accreditation number：5545.01 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 ±0.71dB 2 Unwanted Emissions, conducted ±2.98 dB 3 Conducted Emission (9KHz-150KHz) ±4.13 dB 4 Conducted Emission (150KHz-30MHz) ±4.74 dB 5 All emissions,radiated(<1G) 30MHz-1000MHz ±3.2 dB 6 All emissions,radiated (1GHz -18GHz) ±3.66 dB 7 All emissions,radiated (18GHz -40GHz) ±4.31 dB Page 7 of 33 Report No.: FCS202006013W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.fcs-lab.com 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF THE EUT Product Name true wireless Bluetooth earbu…

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Blow 1GHz for radiated emission test setup Above 1GHz for radiated emission test setup Conducted Emission test setup