FCC ID: 2AMBN-2242A Electronic earmuffs

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LOW-PROFILE MUFF INSTRUCTIONS y LOomponents. 1 Bluetooth button 2 Volume/ Power Control 3 Charging Port 4 Headband Size Sliders 5S Rubberized Surface Coating How To Operate:

To turn power on, rotate wheel upward until the green light illuminates signifying that the power is on. The volume wheel will also serve as a base volume control. You are able to control volume from this wheel, and from your smartohone device. il Wt i] >)

=, Bluetooth Mode:

To initiate the Bluetooth connection, press and hold the Bluetooth flash while your smartphone device is trying to identify the new he alerting you that the device has entered pairing mode with your sir heen cuereeefiilly eannerted ta var nhnane) The device will naw a:

The next time you power up, your hearing protector will automatice Incoming Calls:

In Bluetooth Mode, incoming phone calls will cause the music to b ended. To answer an incoming call, press the Bluetooth button ont ee miidian menee and hald the Oloe ee eee eee nee ee een nanan eee eee EE Charge/ Recharge:

Use the supplied USB-C cable to charge. The USB-C charging port It is covered by a weatherproof rubber plug to help protect the inte the plug and | insert the charging cable into the port. When poweret UTE HTT NETS ESS Wl VEN YY USOT OE ay Ds RUE! OU using an AC power source can vary from 2-3 hours on the average. the charging port. Specifications:

Moder AB/ ot Battery Type: 1200mAh, 4.44Wh Lithium Battery Voltage: 3.7V Safety Concerns:

Not dangerous with normal use. Do not disma their ingredients products could be harmful. Do not inhale or inges'

button for 3 seconds. The blue light will begin to intermittently adset. You will also hear an audible chime through the headset artphone. You will hear one more chime after the headset has stay pees Alcan iieeaecnicn MH 1D PETE Bn tare on SM cetrertdy lente Hak lly connect to your device. e muted and you will hear your phones ringtone until the call has e, To disconnect from a call, press the button once more. To babe beter matt hy Eee at lancet 9 eemende eee eee eee for this product is located on the underside of the earmuff cup. rnal electronics from dust and water invasion. To charge, remove 1 up, the Bluetooth light will flash red indicating that the unit is MSS CURA CUT ISUSS EL COE CSC IE CRS, OTC ETS MSS I RS After you are satisfied with charging, replace the rubber plug into ntle, open or shred the battery ingredients contained within or

. Avoid skin or eye contact. Potential Health Effects: Vapors or mists from a ruptured battery r Ingestion: The battery ingredients contained within or their ingredi esophagus and gastrointestinal tract. Skin: Skin contact with contents of an open battery can cause sev First Aid Measures:

Inhalation: Remove source of contamination or move victim to fres Ingestion: Rinse mouth thoroughly with water. Induce vomiting un ment in time. PoE OR eR ee ee ee ee eee ere Eye Contact: Irrigate with flowing water for 15 minutes. If irritation Storage: If the battery is subject to storage for such a long term as periodically. Long period storag

|4F to 95F (-10C to 35C) INGE eT eee Do not expose the battery to heat or fire. Avoid storage in direct st Do not store together with oxidizing and acidic materials. Recycle or dispose of in accordance with government, state and lo nay cause respiratory irritation. ent products can cause serious chemical burns of mouth, pre irritation or burns to the eye. hair. Obtain medical advice. der the guidance of professional persons. Seek medical treat-

oe persists, consult a physician. more than 3 months, it is recommended to recharge the battery inlight. cal regulations. This device complies with part 15 of the FCC fal lnetuen sue nenditinnee (1) ehe daudaae mac IE EEE III NIE EE EEE EES this device must accept any interference rece cause undesired operation. Changes or modifications not expressly approv could void the user s authority to operate t NOT his equipment has been tested and four digital device, pursuant to part 15 of the FC These limits are designed to provide reasonak in a residential installation. This equipmer ee ee EN IID NA IIR BR DDIERD NNR RBI ND BB NAINMAN EN DO MEINE ES accordance with the instructions, may cause to radio communications. However, there is nc occur in a particular installation. If this harmful interference to radio or television 1 turning the equipment off and on, the user is to correct the interference by one or more of rules. Operation is subject to the net pase heestal <ntgnetaecnnn: aad fo) ived, including interference that may ed by the party responsible for compliance he equipment. id to comply with the limits for a Class B C Rules. ion against harmful interference s Se ee armful interference

) guarantee that interference will not quipment does cause eption, which can be determined by

; encouraged to try

' the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment Connect the equipment into an outlet on a cit receiver is connected. Consult the dealer or an experienced radio/T\

evaluated to meet general RF exposure require exposure condition without restriction. and receiver. cuit different from that to which the technician for help. The device has been ment. The device can be used in portable

JOYHOOM TECHNOLOGIES Inc. 4F, Building 1. No. 18. Sujiaba,West-Lake Technology Park, West-Lake District, Hangzhou City, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-8-19 To whom it may concern:

We, JOYHOOM TECHNOLOGIES Inc. _, hereby certify that the equipment for which authorization is sought (FCC ID: 2AMBN-2242A) 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 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 2.914(b) and (4)(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 Ryan Yee manager JOYHOOM TECHNOLOGIES Inc.

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2023-8-19>

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 2AMBN-2242A 22424 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 External Photos Internal Photos, Block Diagram Schematics Test Setup Photos User's Manual Parts List Tune Up RORDORROO Operational Descriptions. Dopooo8o5) 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, Ryan Yee/manager JOYHOOM TECHNOLOGIES Inc. 4F, Building 1. No. 18. Sujiaba,West-Lake Technology Park, West-

Lake District, Hangzhou City, China 0571-87006339 0571-85115838 ryan@joyhoom.com

JOYHOOM TECHNOLOGIES Ine. 4F, Building 1. No. 18. Sujiaba, West-Lake Technology Park, West-Lake District, Hangzhou City, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-8-19 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: 2AMBN-2242A 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, Doan Name/Title: Ryan Yee/manager Company JOYHOOM TECHNOLOGIES Inc. Address: 4F, Building 1. No. 18. Sujiaba,West-Lake Technology Park, West-Lake District, Hangzhou City, China Phone: 0571-87006339 Fax: 0571-85115838 E-Mail: ryan@joyhoom.com

7)-U, VOS OTC) 48 [model] US Agent Signature JOYHOOM TECHNOLOGIES Inc. 4F, Building 1. No. 18. Sujiaba,West-Lake Technology Park, West-

Lake District,Hangzhou City Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023/8/16 U.S. Agent Designation JOYHOOM TECHNOLOGIES Inc. 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: 2AMBN-2242A):

Name and company of U.S. agent: WeFa Selection Trade Technology Co.,LTD Physical U.S. address of agent: 30 N. GOULD ST. STE N SHERIDAN WY,SHERIDAN, WY 82801,United States FRN of U.S. agent: 0033767856 Email address of U.S. agent: Joson.Wefa@gmail.com WeFa Selection Trade Technology Co.,LTD acknowledges their obligation to accept service of process on behalf of JOYHOOM TECHNOLOGIES Inc. JOYHOOM TECHNOLOGIES Inc with the FRN [0026573907 ] 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 DO1. 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 Ryan Yee Joson Ye Manager CEO JOYHOOM TECHNOLOGIES Inc WeFa Selection Trade Technology Co.,LTD