FCC ID: 2AQX8KBX5 KING BLADE X10 V

Main Function Default mold Can use as default 15 colors change. Color Tuning by using dedicated App Can freely create lighting color Instruction Instruction Memory mode Can customize the lighting color types and order by selecting from the default 15 colors. 2 mermory pattern can be saved. (+ default pattern) Hot button Can always jump to your favorite color How to use the Default Mode (15 colors change) Pull to remove the plastic tab attached to the battery compartment ON : press the A button for 0.5 seconds, (With the penlight OFF, press and hold the A button, the rst color will light up.) OFF : press and hold the A button for 1.5 seconds. Color change : press the A button once, color will change forward press the B button once, color will change backward Color change order :

1.RED2.BLUE3.WHITE4.ORANGE5.GREEN6.PURPLE7.PINK8.YELLOW9.LIGHT GREEN 10.LIGHT BLUE11.LIGHT PINK12.VIOLET13.LIME14.TURQUOISE15.HOT PINK A button B button Setting for Memory Function (color types and order) Memory A 1.With the penlight o, press and hold the B button for 3 seconds until the RED color ashes slowly. 2. Press the A button to change the color sequentially. Change to the color you want and then press B button to select. The selected color will be ashing fast. You can select a specic order of colors. (Maximum memorable number of colors: 30) 3.After selecting all the colors, you must press and hold the B button until it turns o to save the memory. The switch ON/OFF is the same as default function after the memory function is set. After selecting the 30th color, the penlight will turn o and the color order will be saved automatically. Memory B 1.With the penlight o, press and hold both the A and B button for 3 seconds until the BLUE color ashes slowly. 2.Same as mermory A setting 2~3. Selecting for Memory Pattern After mermory A and mermory B have been saved, 1)default, 2)mermory A, 3)mermory B can be select and switch to use. Reseting for Memory

(1) With the penlight o, press and hold the B button for 3 seconds until the RED color ashes slowly.

(1) With the penlight o, press and hold the B button for 3 seconds until the RED color ashes slowly.

(2) Press C to select the mermory pattern select red color for mermory A select blue color for mermory B select white color for default mode

(3) After select either RED/BLUE/WHITE, press and hold B button for 3 seconds until it turns o to save the setting. The switch ON/OFF and color change is the same as default function after the memory function is set.

(2) Press C for selecting the mermory pattern to delete select red color for reseting mermory A select blue color for reseting mermory B

(3) Press and hold the A button for 3 seconds until the penlight turns o. The color order will be back to default setting. Even replaced the battery, the memory function setting is retained default mode (15 colors change) cannot be delete. How to use the Hot Button 1.Light up the favorite color, press and hold C button for 3 seconds, the penlight will ash once then setting have been saved. 2.While either one of the color is lighting, press C button then will jump to the favorite color. 3.while the favorite color is lighing up, press A or B button, the color will back to the color before pressing C button Hot Button

(C button) How to color tuning Connect to the penlight 1. Turn on the Bluetooth function from the device. 2. With the penlight o, press and hold both the A & B button for 3 seconds until the BLUE color ashes slowly. The penlight became tuning mode. 3. start up the App, touch pairingicon 4. select KBX5 5. The lighting color will be ashing fast. Pairing succeeded. Pairing requested at the rst time only. How to use the App App design might be modied A button B button 6. select the penlight model 7. Make your own blade or start with given default colors. Create your own blade by touching

"Create Blade" icon. 8. press "Create Color" to add the lighting color

(Maximum memorable number of colors: 30)) 9. select the base color for tuning Please choose the Memory type. Connect to:

Memory A Memory B 10. Control the red, green, blue, white color bar to adjust the RGBW value then touch Select Right side, there is a power consumption indicator which can give you a hint of battery duration of the current color. 11. touch install after nish color tuning 12. Select the mermory type for saving. The penlight will light up all colors then installed nished. 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 (including the antennas) to this device that are not expressly approved by the manufacturer may void the user's authority to operate the equipment. FCC RF Radiation Exposure Statement:

This equipment complies with FCC RF Radiation exposure limits set forth for an uncontrolled environment. This device and its antenna must not be co-located or operating in conjunction with any other antenna or transmitter.

Label Format and Location Model : KBX5 BLE FCC ID : 2AQX8KBX5

*15.19 requirement will be written on the manual due to its size.

*The label will be placed inside the battery compartment. FCC ID: 2AQX8KBX5

<Bottom view of EUT>

Ruifan Japan Ltd. 3rd floor, SAT-1 Building, 2-20-4 Minamiaoyama, Minato Ward, Tokyo, Japan Date : April 07, 2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 LETTER FOR AUTHORIZATION FCC ID: 2AQX8KBX5 To whom it may concern:

I, the undersigned, hereby authorize SGS Korea Co., Ltd. and hereafter referred to as SGS Korea, to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by SGS Korea Co., Ltd. on our behalf shall have the same effect as acts of our own. 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). In authorizing SGS Korea as our agent, we still recognize that we are responsible to:

a) comply with the relevant provisions of the certification program;

b) make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints;

c) make claims regarding certification only in respect of the scope for which certification has been granted;

d) do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized;

e) upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division;

Ruifan Japan Ltd. 3rd floor, SAT-1 Building, 2-20-4 Minamiaoyama, Minato Ward, Tokyo, Japan f) use certification only to indicate the products are certified as being in conformity with specified standards;

g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner;

h) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division;

i) keep a record of all complaints made known to the us relating to the products compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested;

j) take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification;

k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours Name : Calvin Kim Title : CTO Company Name : Ruifan Japan Ltd.

Antenna Information Item Contents Antenna Type Wire Antenna Antenna peak gain

-2.87 i Antenna MDL name None 3F SAT.1 bldg., 2-20-4 Minami Aoyama, Minato-ku, Tokyo, Manufacturer / Model name Japan, 107-0062 / -

Test laboratory Ruifan Japan Ltd. Size Information Length: 1.5 cm / Width: 0.5 cm 2cm 1.5 cm 0.5 cm Wire Antenna Matching & Network Data 1. Matching Value 2. Network Data Passive Data 3. Passive Data Matching & Network Data 1. Matching Value 2. Network Data 2D Pattern Data(H-Plane) 4. 2D Pattern Data (H-Plane) 2400MHz 2450MHz 2500MHz Total (V+H) Vertical Horizontal 2D Pattern Data(E1-Plane) 4. 2D Pattern Data (E1-Plane) 2400MHz 2450MHz 2500MHz Total (V+H) Vertical Horizontal 2D Pattern Data(E2-Plane) 4. 2D Pattern Data (E2-Plane) 2400MHz 2450MHz 2500MHz Total (V+H) Vertical Horizontal

SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Ruifan Japan Ltd. Applicant Declaration Address Grantee Code FCC ID Authorized Contact Name Contact Email Contact Phone 3rd floor, SAT-1 Building, 2-20-4 Minamiaoyama, Minato Ward, Tokyo, Japan 2AQX8 2AQX8KBX5 Calvin Kim calvin@calvinlab.com

+82-10-2641-4831 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare;

a) b) in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for:

labeling the equipment with the exact FCC ID as specified in this application,

(1)

(2) compliance statement labeling pursuant to the applicable rules,

(3) compliance of the equipment with the applicable technical rules, c) d) e) if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCCs technical requirements. in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. in accordance with ISO 17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements.

(1)

(2)

(3) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. the Applicant shall, upon request by SGS, at the Applicants expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f) g) neither the Applicant nor any party to the application is 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 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a party for these purposes. the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Link to the Covered List: Covered List Ruifan Japan 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. Ruifan Japan Ltd. (the applicant) certifies that, as of the date of the filing of the application, the applicant [is not] identified on the Covered list, established pursuant to 1.50002, as an entity producing covered equipment. Applicant Signature:

Date: April 07, 2023 Print Name:

Title:

Calvin Kim CTO

*NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database QSF27-14-04 Rev 1.0 Rev. Feb 6, 2023 Page 1 of 1 Original Issue: Jan. 4, 2021

Ruifan Japan Ltd. 3rd floor, SAT-1 Building, 2-20-4 Minamiaoyama, Minato Ward, Tokyo Date : April 07, 2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 REQUEST FOR CONFIDENTIALITY FCC ID: 2AQX8KBX5 Pursuant to Sections 0.457 and 0.459 of the Commissions Rules (CFR 47), and Section 552 (b) (4) of the Freedom of Information Act, Ruifan Japan Ltd. hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short-Term Confidentiality for 180 days after the grant as outlined in Public Notice DA 04-1705. This provision will give , Ruifan Japan Ltd. temporary confidentiality of commercially sensitive information prior to product release. The requested Permanent and Temporary Confidential exhibits are listed as follows:

CONFIDENTIAL LIST Permanent 1 2 3 4 5 6 7 Short-Term Block Diagram Operational Descriptions Schematics External Photos Internal Photos Test-Setup Photos User Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be made public before the date of the Grant for this application. Sincerely Yours Name : Calvin Kim Title : CTO Company Name : Ruifan Japan Ltd.

UNITED STATES DESIGNATED AGENT LETTER Date: April 07, 2023 TO:

Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Applicant Company Name: Ruifan Japan Ltd. Grantee Code:

Contact Name:

2AQX8 Calvin Kim U.S. designated agent Company Name: Americas Compliance consulting, LLC dba iCertifi FRN: 0033399411 Contact Name: Paul Preston Address:

3rd floor, SAT-1 Building, 2-20-4 Minamiaoyama, Minato Ward City/Province/Zip: Tokyo, Japan Telephone:

Fax:

Email:

+82-10-2641-4831

+81-3-6432-9002 calvin@calvinlab.com Address: 1001 SW Disk Drive, Suite 250, City/Province/Zip: Bend, Oregon 97702 Telephone: 866-885-4575 Fax:

Email: fccagent@icertifi.com Applicable Equipment FCC Grantee Code: 2AQX8 ATTN: Director of Certification:

We, Ruifan Japan Ltd. and iCertifi understand and acknowledge the applicants consent and the designated agents obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and e-mail of the designated agent listed above. We, Ruifan Japan Ltd. and iCertifi acknowledge the applicants acceptance of 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. Applicant U.S. designated agent Name (Printed):

Calvin Kim Title: CTO Signature:

Name (Printed): Paul Preston Title: CEO Signature: