2BH9K-ACG1175Vibrators

FCC Warnning: 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 againstharmful interference in a residential installation. This equipment generates, uses and can radiateradio frequency energy and, if not installed and used in accordance with the instructions, maycause harmful interference to radio communications. However, there is no guarantee thatinterference will not occur in a particular installation. If this equipment does cause harmfulinterference to radio or television reception, which can be determined by turning the equipmentoff and on, the user is encouraged to try to correct the interference by one or more of thefollowing 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. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. 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. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 0cm between the radiator and your body.

Yunjuhui (Shenzhen) Technology Co., Ltd 8419,4th Floor,No.3012 Banxuegang Avenue, Bantian Community,Bantian Street,Longgang District,Shenzhen China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024-10-14 To whom it may concern: We, Yunjuhui (Shenzhen) Technology Co., Ltd, hereby certify that the equipment for which authorization is sought (FCC ID: 2BH9K-ACG1175) is not “covered” equipment prohibited from receiving an equipment authorization pursuant to § 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, we are not identified on the Covered List (https://www.fcc.gov/supplychain/coveredlist) as an entity producing “covered” equipment. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(b) and (d)(5) and (6). 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 Luo Yi Manager Yunjuhui (Shenzhen) Technology Co., Ltd 62_[model] CoveredEqu_2.911(d)(5)(i) and (ii) - U, V03

Yunjuhui (Shenzhen) Technology Co., Ltd 8419, 4th Floor, No. 3012 Banxuegang Avenue, Bantian Community, Bantian Street, Longgang District, Shenzhen, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024/10/13 U.S. Agent Designation YUNJUHUI (SHENZHEN) TECHNOLOGY CO., LTD 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: 2BH9K-ACG1175): Name and company of U.S. agent: THREE STONES MEDIA LLC Physical U.S. address of agent: 1200 Broadway St. APT 329 Los Angeles, CA 90015 United States FRN of U.S. agent: 0033401761 Email address of U.S. agent: [email protected] THREE STONES MEDIA LLC acknowledges their obligation to accept service of process on behalf of YUNJUHUI (SHENZHEN) TECHNOLOGY CO., LTD. YUNJUHUI (SHENZHEN) TECHNOLOGY CO., LTD with the FRN [0035797935] accepts its obligation to maintain an agent for service of process in the United States for no less than one 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. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, Signature Luo Yi Principal YUNJUHUI (SHENZHEN) TECHNOLOGY CO., LTD. Signature Sijie Zhang CEO THREE STONES MEDIA LLC 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2024-10-14> Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID Model name 2BH9K-ACG1175 ACG1175 For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title： Luo Yi/Manager Company: Yunjuhui (Shenzhen) Technology Co., Ltd Address: 8419,4th Floor,No.3012 Banxuegang Avenue, Bantian Community,Bantian Street,Longgang District,Shenzhen China Phone: 15323734004 Fax: N/A E-Mail: [email protected]

Yunjuhui (Shenzhen) Technology Co., Ltd 8419,4th Floor,No.3012 Banxuegang Avenue, Bantian Community,Bantian Street,Longgang District,Shenzhen China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024-10-14 To whom it may concern: We, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2BH9K-ACG1175 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. By signing this application form, we agree to Eurofins’ current valid General Terms and Conditions (AGB),Testing and Certification Regulations (PZO) which can be viewed on following website www.eurofins.de/ee or retrieved on request. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Name/Title： Luo Yi/Manager Company: Yunjuhui (Shenzhen) Technology Co., Ltd Address: 8419,4th Floor,No.3012 Banxuegang Avenue, Bantian Community,Bantian Street,Longgang District,Shenzhen China Phone: 15323734004 Fax: N/A E-Mail: [email protected]

FCC ID: 2BH9K-ACG1175 External Photos of the EUT FCC ID: 2BH9K-ACG1175 FCC ID: 2BH9K-ACG1175

Label and Location Size: L: 1.5cm*W: 0.5cm Label and Location FCC ID : 2BH9K-ACG1175

FCC ID: 2BH9K-ACG1175 Internal Photos of the EUT FCC ID: 2BH9K-ACG1175 FCC ID: 2BH9K-ACG1175

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn TEST REPORT 47 CFR FCC Part 15 Subpart B (Class B) Radio Frequency Devices – Unintentional Radiators – Limits and methods of measurement ANSI C63.4: 2014 American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz Report Reference No. .................... : FCC ID. ........................................... : CTA24092900601 2BH9K-ACG1175 Compiled by ( position+printed name+signature) .. : File administrators Jinghua Xiao Supervised by ( position+printed name+signature) .. : Project Engineer Xudong Zhang Approved by ( position+printed name+signature) .. : RF Manager Eric Wang Date of issue ..................................... : Oct. 10, 2024 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao‘an District, Shenzhen, China Applicant’s name ............................ : Yunjuhui (Shenzhen) Technology Co., Ltd Address............................................. : 8419, 4th Floor, No. 3012 Banxuegang Avenue, Bantian Community, Bantian Street, Longgang District, Shenzhen, China Test specification .......................... : Standard ........................................... : 47 CFR FCC Part 15 Subpart B (Class B) ANSI C63.4: 2014 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Equipment description ...................: Vibrators Trade Mark ....................................... : N/A Manufacturer .................................... : Yunjuhui (Shenzhen) Technology Co., Ltd Model/Type reference ....................... : ACG1175 List Model ......................................... : N/A Ratings.............................................. : DC 3.7V From battery and DC 5.0V From external circuit Result ................................................ : PASS Report No.: CTA24092900601 Page 2 of 22 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Vibrators Model /Type : ACG1175 Applicant : Yunjuhui (Shenzhen) Technology Co., Ltd Address : 8419, 4th Floor, No. 3012 Banxuegang Avenue, Bantian Community, Bantian Street, Longgang District, Shenzhen, China Manufacturer : Yunjuhui (Shenzhen) Technology Co., Ltd Address : 8419, 4th Floor, No. 3012 Banxuegang Avenue, Bantian Community, Bantian Street, Longgang District, Shenzhen, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA24092900601 Page 3 of 22 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1. T E S T S T A N D A R D S .................................................................. 4 2. S U M M A R Y ............................................................................. 5 2.1. General Remarks 5 2.2. Product Description 5 2.3. EUT operation mode 5 2.4. EUT configuration 5 2.5. Modifications 5 3. T E S T E N V I R O N M E N T ............................................................... 6 3.1. Address of the test laboratory 6 3.2. Test Facility 6 3.3. Environmental conditions 6 3.4. Test Description 6 3.5. Statement of the measurement uncertainty 6 3.6. Equipments Used during the Test 7 4. T E S T C O N D I T I O N S A N D R E S U L T S ............................................. 9 4.1. EMISSION 9 4.1.1. LIMITS OF DISTURBANCE (CLASS B) ........................................................................ 9 4.1.2. TEST CONFIGURATION ............................................................................................... 9 4.1.3. TEST PROCEDURE ...................................................................................................... 9 4.1.4. TEST RESULTS ........................................................................................................... 10 4.2. Conducted Emission 14 4.2.1. LIMITS OF DISTURBANCE (CLASS B) ...................................................................... 14 4.2.2. TEST CONFIGURATION ............................................................................................. 14 4.2.3. TEST PROCEDURE .................................................................................................... 14 4.2.4. TEST RESULTS ........................................................................................................... 14 5. T E S T S E T-UP P H O T O S O F T H E E U T ......................................... 17 6. E X T E R N A L A N D I N T E R N A L P H O T O S O F T H E E U T ....................... 18 Report No.: CTA24092900601 Page 4 of 22 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Indust…

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FCC ID: 2BH9K-ACG1175 Test Setup Photos of the EUT Radiated Emission Conducted Disturbance