FCC ID: 2BCGC-SK8 Ferrofluid Speaker

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. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the 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. FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.

SHENZHEN YIXIU TECHNOLOGY CO.,LTD FCC ID:2BCGC-SK8 MODEL: SK8 OUTPUT POWER: 80W POWER INPUT: DC 22V 3.8A MADE IN CHINA

Shenzhen Yixiu Technology Co., Ltd Add: 704 Building 2, Wansheng Huayuan, 18 Qiubao Road, Dexing Community, Buji Street, Longgang District, Shenzhen, China Tel: 13649832304 Email: ray@ferrofluid.com FCC Authorization Date: 2023-08-23 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern:

We , Shenzhen Yixiu Technology Co., Ltd , Hereby authorizes China Certification ICT Co., Ltd (Dongguan) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by China Certification ICT Co., Ltd (Dongguan) on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Clients signature Printed Name: HUANG XIAOGANG Title: Sales Manager QA-FR-170-B

Shenzhen Yixiu Technology Co., Ltd Add: 704 Building 2, Wansheng Huayuan, 18 Qiubao Road, Dexing Community, Buji Street, Longgang District, Shenzhen, China Tel: 13649832304 Email: ray@ferrofluid.com ATTESTATION STATEMENT Date: 2023-08-23 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(5)(i), (ii)Filling FCC ID:2BCGC-SK8 Shenzhen Yixiu Technology Co., Ltd 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. And Shenzhen Yixiu Technology Co., Ltd 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. Sincerely, Printed Name: HUANG XIAOGANG Title: Sales Manager

Shenzhen Yixiu Technology Co., Ltd Add: 704 Building 2, Wansheng Huayuan, 18 Qiubao Road, Dexing Community, Buji Street, Longgang District, Shenzhen, China Tel: 13649832304 Email: ray@ferrofluid.com FCC Confidential Authorization Date: 2023-08-23 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2BCGC-SK8 In accordance with Sections 0.457 and 0.459 of the Commissions Rules, (Shenzhen Yixiu Technology Co., Ltd) hereby requests long-term confidential treatment of information accompanying this application as outlined below:

Block Diagram Schematics Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely, Signature:

Printed Name: HUANG XIAOGANG Title: Sales Manager QA-FR-171-A

Shenzhen Yixiu Technology Co., Ltd ADD: 704 Building 2, Wansheng Huayuan, 18 Qiubao Road, Dexing Community, Buji Street, Longgang District, Shenzhen, China TEL: 13649832304 E-mail: ray@ferrofluid.com Date: 2023-08-23 DECLARATION OF SIMILARITY FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam:

We, Shenzhen Yixiu Technology Co., Ltd , hereby declare that the product:Ferrofluid Speaker FCC ID: 2BCGC-SK8. model: SK6, SK7 ,SK5 are electrically identical with the model:SK8 which was tested by China Certification ICT Co., Ltd (Dongguan) with the same electromagnetic emissions and electromagnetic compatibility characteristics. A description of the differences between those models and that are declared similar are as follows:

They are the same product, but the model name are different, and the rest are the same. Best Regards, Signature:

Printed Name: HUANG XIAOGANG Singh Title: Sales Manager

U.S. AGENT LETTER OF ATTESTATION Date: 2023-08-23 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 2.911(d)(7) Filing FCC ID: 2BCGC-SK8 Shenzhen Yixiu Technology Co., Ltd. certifies that, as of the date of the filing of the application, Iconsigh Inc. is our designated U.S. agent for service of process for the above referenced FCC ID. Titan Company Limited. 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. Iconsigh Inc. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name:

Iconsigh Inc. Address: 2310 Homestead Road, Suite C1, Los Altos, CA 94024, USA FRN: 0033398652 Tel.: +1 (408) 320-9867 Email: benjamin.kaur@iconsigh.com Signed by (printed name): Benjamin Kaur Signature:

Shenzhen Yixiu Technology Co., Ltd Address: 704 Building 2, Wansheng Huayuan, 18 Qiubao Road, Dexing Community, Buji Street, Longgang District, Shenzhen, China FRN: 0034107680 Tel: 13649832304 Email: ray@ferrofluid.com Signature:

Printed Name: HUANG XIAOGANG