FCC ID: 2ACYR-ANC6078D Active noise cancelling headphone

2 3 4 5 6 7 8 9 LIMITED ONE YEAR WARRANTY 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 FCC Statement 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. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. 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. RF Exposure Information The device was evaluated to meet general RF exposure requirements. This equipment should be installed and used with a minimum distance of 0mm between the radiator and your body.

Dongguan Yong fang Electronic Technology Co., LTD. No.12, Long an Rd, The 2nd Industrial Zone Shigu Tangxia, Dongguan, Guangdong, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-7-28 To whom it may concer:

We, Dongguan Yong fang Electronic Technology Co., LTD., hereby certify that the equipment for which authorization is sought (FCC ID: 2ACYR-ANC6078D) 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 (httos://www foc. 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 DO1 Sincerely, Signature Man Wang Manager Dongguan Yong fang Electronic Technology Co., LTD.

Dongguan Yong fang Electronic Technology Co., LTD. Add: No.12, Long an Ra, The 2nd Industrial Zone Shigu Tangxia, Dongguan, Guangdong, China Date: 2023-7-28 FCC ID: 24CYR-ANC6078D Dear Sir/Madam, We, Dongguan Yong fang Electronic Technology Co., LTD. Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of these model(s) are the same, Only model number is different for these model. Product name: Active noise cancelling headphone Model no.: ANC-6078D, Stealth ANC,ANC 500 BT,HBT11 Sincerely, man Wang Name/Title: Man Wang/Manager Company: Dongguan Yong fang Electronic Technology Co., LTD. Address: No.12, Long an Rd, The 2nd Industrial Zone Shigu Tangxia, Dongguan, Guangdong, China Phone: +86 769 86255736 Fax: +86 769 87919051 E-Mail: rd@dgyongfang.com

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2023-7-28>

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:

Model name ANC-6078D For the product stated above, we request that the following information be held confidential;

Long-Term Exhibits Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days Extemal Photos Internal Photos. Block Diagram Schematics Test Setup Photos:

User's Manual Parts List Tune Up moOooARRoo Operational Descriptions:

Dopooo0ol 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, Man Wang/Manager Dongguan Yong fang Electronic Technology Co., LTD. No.2, Long an Rd, The 2nd Industrial Zone Shigu Tangxia, Dongguan, Guangdong, China Phone: +86 769 86255736 Fax: +86 769 87919051 E-Mail: rd@dgyongfang.com

Dongguan Yong fang Electronic Technology Co., LTD. No.12, Long an Rd, The 2nd Industrial Zone Shigu Tangxia, Dongguan, Guangdong, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-7-28 To whom it may concer:

We, the undersigned, hereby authorize Eurofins Product Service GmbH to act.on our behaffin all matters relating to applications for equipment authorization FCC ID: 2ACYR-ANC6078D 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, man Wang Name/Title: Man Wang/ Manager Company Dongguan Yong fang Electronic Technology Co., LTD. Address: No.12, Long an Ra, The 2nd Industrial Zone Shigu Tangxia, Dongguan, Guangdong, China Phone: +86 769 86255736 Fax: +86 769 87919051 E-Mail: rd@dgyongfang.com

2.911(d)(7)-U, VO4 _Agent_ el] US.

= Dongguan Yong fang Electronic Technology Co.,LTD."

Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 7/31/2023 U.S. Agent Designation Dongguan Yong fang Electronic 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: 2ACYR-ANC6078D):

Name and company of U.S. agent: Hypercel Corporation Physical U.S. address of agent:28385 Constellation Rd.Valencia,CA91355,United States FRN of U.S. agent:0027824093 Email address of U.S. agent: sjohnson@hypercel.com Hypercel Corporation acknowledges their obligation to accept service of process on behalf of Dongguan Yong fang Electronic Technology Co.,LTD.. Dongguan Yong fang Electronic Technology Co.,LTD. with the FRN 0023869738 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). Sincerely, Man Wong Signature Man Wang Engineering manager Dongguan Yong fang Electronic Technology Co.,LTD. Aan brow ana Signature Tawdrous Hanan Product manager Hypercel Corporation 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. FREE BE