FCC ID: 2AYBA-FIVIS FIVIS

FIVIS INSTUCTION MANUAL With feedback to maintain constant abdominal tension In everyday life and correct posture, It helps to build a healthy and beautiful body PRODUCT SPEC Weight 120g 20g Material Body: PC-Aluminum alloy Strap:

Application Android, IOS Motor DC 1.3V Max 65mA Bluetooth Bluetooth5/2.4GHz Battery Lithium-Polymer 3.7V_580mAh Charging USB Type-C COMPONENT FIVIS USB Type-C INSTRUCTION MANUAL Before using the FIVIS 1. efully inspect the power supply unit, cable, and device for damage before using or charging. If the device is defective, do not use it. 2. Do not use the product in the following cases: If there are any signs of damage in the product or the power cord; if it is not in perfect working order; or if it has been dropped or become damp. In this case, please be sure to send the device to our service center in order to prevent hazards. 3. The device is not to be used for commercial use or medical purposes. 4. If you have health concerns, consult your doctor before using FIVIS. 5. Use the device only for its intended use as specified in this manual. 6. Do not wipe with water. Do not dry clean!

EACH PARTIAL NAME HOW TO OPERATE 1. Press the switch for 2 seconds before wearing and check for vibration 2. Pull the navel slightly in the direction of the spine to maintain the tension of the abs. 3. Position the body under the navel and wear FIVIS. 4. When you relax your stomach, check for vibrations. 5. Check for vibration when bent forward or backward or side 6. In everyday life with FIVIS, maintain constant tension and correct posture in the stomach to complete a healthy and beautiful body. HOW RO USE APPS 1. Search 'FIVIS' on Android and Apple App Store and download it 2. Turn on FIVIS 3. Select FIVIS from cell phone Bluetooth. 4. Run the application. Warranty Please be sure to read the users manual and use the device correctly. In the event of a failure during use of the product, the customer has the right to receive free service for the warranty period (one year) from the date of purchase. However, it should be noted that any failure due to customer negligence or natural disasters should be handled through paid services even within the Responsibility for paid services (costs paid by the customer). In case a failure occurs by putting foreign substances (water, beverage, coffee, warranty period. toy, etc.) into the product. installation and use. In case of product damage or malfunction due to external impact during In case the appearance of the product has been damaged and deformed by organic solvents such as thinner and benzene. In case a failure occurs by using non-genuine STRIG parts or consumables. In case a failure occurs due to incorrect use of the electric capacity. In case the customer disassembled the product arbitrarily, which causes the parts to be lost or damaged. FCC Information to User 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 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 con-nected. Consult the dealer or an experienced radio/TV technician for help. Caution Modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. FCC Compliance Information : 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

The Core Inc. B-609, 13, Heungdeok 1-ro, Giheung-gu, Yongin-si, Gyeonggi-do, Korea File Name

[CO.fivis.1] BLK

[CO.fivis.1] SCH

[CO.fivis.1] OpDes

[CO.fivis.1] Part List Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2AYBA-FIVIS Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, we hereby request confidential treatment of information accompanying this application as outlined below:

Exhibit Type Block Diagram Schematics Operational Description Part List The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR 2.803 and the importation rules in Title 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s);

Exhibit Type External Photos Internal Photos Test Setup Photos Manual File Name

[CO.fivis.1] EXT Photo

[CO.fivis.1] INT Photo

[CO.fivis.1] Test Setup Photo

[CO.fivis.1] Manual For 45 days, pursuant to Public Notice DA 04-1705. For 180 days pursuant to KDB 726920 D01. OR Sincerely, Changbeom, Kim / CEO

The Core Inc. B-609, 13, Heungdeok 1-ro, Giheung-gu, Yongin-si, Gyeonggi-do, Korea Nov 30, 2020 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Letter of Authorization We, the undersigned, hereby authorize Kenneth Kim of NCT Co.,Ltd. to act on our behalf in all manners relating to application for equipment authorization for FCC ID: 2AYBA-FIVIS including signing of all documents relating to these matters. Any and all acts carried out by Kenneth Kim of NCT Co.,Ltd. on our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice from The Core Inc. I, 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. 853(a). Sincerely, Changbeom, Kim / CEO