2A6MSZ36SPROBluetooth Earbuds

Shenzhen Zhichuang All Technology Co., Ltd * the applicant must designate a contact located in the United States for purposes of acting as the applicant’s agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process. U.S. Agent Designation for Service of Process - Certification Attestation Letter 6/25/2023 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: 2A6MSZ36SPRO Per section 2.911(d)(7) of the FCC rules, Shenzhen Zhichuang All Technology Co., Ltd (“the applicant”) certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: Federal Registration Number (FRN): 0033401829 Company Name: EMCTEK Physical U.S. Company Address: 11788 Big Canyon Ln, San Diego, CA 92131 USA Agent name: Fang Liu Agent Email Address: [email protected] The above contact person accepts the obligation for service of process. The applicant 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. Applicant Signed: Agent Signed (if different to Applicant): Signed: Signed: Printed name: qingmin chen Printed name: Fang Liu Title: Deputy General Manager Title: Manager Company Name: Shenzhen Zhichuang All Technology Co., Ltd Company Name: EMCTEK Date: 6/25/2023 Date: 6/25/2023

Shenzhen Zhichuang All Technology Co., Ltd Covered Equipment Certification Attestation Letter 4/23/2023 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: 2A6MSZ36SPRO Shenzhen Zhichuang All Technology Co., Ltd (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Shenzhen Zhichuang All Technology Co., Ltd (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Signed: Printed name: qingmin chen Title: Deputy General Manager Company Name: Shenzhen Zhichuang All Technology Co., Ltd Date: 4/23/2023

Shenzhen Zhichuang All Technology Co., Ltd Date: 2023.04.23 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID:__2A6MSZ36SPRO____ Product Name:___Bluetooth Earbuds____ Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...)  Schematics  Block Diagram  Operation Description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. Signature: Name: qingmin chen Company: Shenzhen Zhichuang All Technology Co., Ltd Address: D401, Ganghong Complex Building, Building 2, No.7, Xiangye Road, Xialilang Community, Nanwan Street, Longgang District, Shenzhen China Phone: +86-18025478685 Fax: / Email: [email protected]

Shenzhen Zhichuang All Technology Co., Ltd Differences Declaration Date: 2023.04.23 SUBJECT: FCC Application for FCC ID: 2A6MSZ36SPRO To whom concern, We company Shenzhen Zhichuang All Technology Co., Ltd. Here by declares: The product has two earphones, which can be used at the same time. They are identical in the same PCB, layout, electrical circuit, antenna and enclosure. They can share the same FCC ID number. Sincerely yours, Signature: Name: qingmin chen Company: Shenzhen Zhichuang All Technology Co., Ltd Address: D401, Ganghong Complex Building, Building 2, No.7, Xiangye Road, Xialilang Community, Nanwan Street, Longgang District, Shenzhen China Phone: +86-18025478685 Fax: / Email: [email protected]

CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 http://www.sz-ctc.org.cn Page 1 of 3 External Photos Page 2 of 3 Page 3 of 3

CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 http://www.sz-ctc.org.cn Page 1 of 1 Label FCC ID: 2A6MSZ36SPRO Label Location 1. Note: 4pt font is not achievable on 2A6MSZ36SPRO due to product dimension. FCC ID is on the charging box and user manual.

CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 http://www.sz-ctc.org.cn Page 1 of 3 Internal Photos Page 2 of 3 Antenna Page 3 of 3

CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 http://www.sz-ctc.com.cn CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel.: (86)755-27521059 Fax: (86)755-27521011 Http://www.sz-ctc.org.cn For anti-fake verification, please visit the official website of Certification and Accreditation Administration of the People’s Republic of China : http://yz.cnca.cn RF Exposure Evaluation FCC ID: 2A6MSZ36SPRO According to KDB447498 D01 General RF Exposure Guidance v06, Clause 4.3.1(a) EUT Specification EUT Bluetooth Earbuds Trade Mark: sanag Model/Type reference: Z36S Pro Listed Model(s): / Frequency band (Operating) BT: 2.402GHz ~ 2.480GHz Device category Portable (<5mm separation) Mobile (>20cm separation) Fixed (>20cm separation) Others ___ Antenna diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Antenna gain (Max) 1.75dBi Limit For 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f (GHz) ] ≤ 3.0 for 1-g SAR, and ≤ 7.5 for 10-g extremity SAR Where -f (GHz) is the RF channel transmit frequency in GHz -Power and distance are rounded to the nearest mW and mm before calculation -The result is rounded to one decimal place for comparison -The values 3.0 and 7.5 are referred to as numeric thresholds in step b) below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm, and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 4.1 f) is applied to determine SAR test exclusion. Page 2 of 2 Report No.: CTC20230802E03 CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel.: (86)755-27521059 Fax: (86)755-27521011 Http://www.sz-ctc.org.cn For anti-fake verification, please visit the official website of Certification and Accreditation Administration of the People’s Republic of China : http://yz.cnca.cn Measurement Result Mode Channel Frequency (MHz) Max. Measured Power (dBm) Max. Tune up Power (dBm) Result Limit GFSK (BLE) 2402 -7.44 -7.00 0.0618 3.0 π/4-DQPSK (EDR) 2402 -3.89 -3.50 0.1385 3.0 Note: 1. Calculate by Worst-case mode. 2. Max. Tune Up Power by Manufacturer's Declaration, and Max. Tune Up Power is used to calculate. 3. For a more detailed features description, please refer to the RF Test Report. **********************THE END**********************

CTC Laboratories, Inc. $CNAS$ 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 http://www.sz-ctc.org.cn TEST REPORT Report No. ··························: CTC20230802E02 FCC ID.................................: 2A6MSZ36SPRO Applicant····························: Shenzhen Zhichuang All Technology Co., Ltd Address·······························: D401, Ganghong Complex Building, Building 2, No.7, Xiangye Road, Xialilang Community, Nanwan Street, Longgang District, Shenzhen China Manufacturer························: Shenzhen Zhichuang All Technology Co., Ltd Address·······························: D401, Ganghong Complex Building, Building 2, No.7, Xiangye Road, Xialilang Community, Nanwan Street, Longgang District, Shenzhen China Product Name······················: Bluetooth Earbuds Trade Mark···························: sanag Model/Type reference·············: Z36S Pro Listed Model(s) ·····················: / Standard·····························: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of receipt of test sample...: Apr. 10, 2023 Date of testing.......................: Apr. 10, 2023 to Apr. 23, 2023 Date of issue.........................: Apr. 24, 2023 Result.................................: PASS Compiled by: (Printed name+signature) Jim Jiang Supervised by: (Printed name+signature) Eric Zhang Approved by: (Printed name+signature) Totti Zhao $英文检测章$ $Totti$ This test report may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim product endorsement by CTC. The test results in the report only apply to the tested sample. The test report shall be invalid without all the signatures of testing engineers, reviewer and approver. Any objections must be raised to CTC within 15 days since the date when the report is received. It will not be taken into consideration beyond this limit. The test report merely correspond to the test sample. Page 2 of 62 Report No.: CTC20230802E02 CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel.: (86)755-27521059 Fax: (86)755-27521011 Http://www.sz-ctc.org.cn For anti-fake verification, please visit the official website of Certification and Ac- creditation Administration of the People’s Republic of China : yz.cnca.cn Table of Contents Page 1. TEST SUMMARY ....................................................................................................................................................... 3 1.1. TEST STANDARDS .......................................................................................................................................................... 3 1.2. REPORT VERSION ......................................................................................................................................................... 3 1.3. TEST DESCRIPTION ........................................................................................................................................................ 3 1.4. TEST FACILITY .............................................................................................................................................................. 4 1.5. MEASUREMENT UNCERTAINTY ........................................................................................................................................ 4 1.6. ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 5 2. GENERAL INFORMATION .......................................................................................................................................... 6 2.1. CLIENT INFORMATION ................................................................................................................................................... 6 2.2. GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 6 2.3. ACCESSORY EQUIPMENT INFORMATION ............................................................................................................................ 7 2.4. OPERATION STATE ........................................................................................................................................................ 8 2.5. MEASUREMENT INSTRUMENTS LIST ................................................................................................................................. 9 3. TEST ITEM AND RESULTS ........................................................................................................................................ 11 3.1. CONDUCTED EMISSION ................................................................................................................................................ 11 3.2. RADIATED EMISSION ................................................................................................................................................... 14 3.3. BAND EDGE EMISSIONS (RADIATED) .............................................................................................................................. 25 3.4. BAND EDGE AND SPURIOUS EMISSIONS (CONDUCTED) ...................................................................................................... 34 3.5. BANDWIDTH .............................................................................................................................................................. 45 3.6. CHANNEL SEPARATION................................................................................................................................................. 50 3.7. NUMBER OF HOPPING CHANNEL .........................................…

Text truncated - open the document above for the full version.