FCC ID: OSF-IE-100 In-Ear Hearing Protective Buds with Bluetooth Connectivity

In Ear User Guide In-Ear Hearing Protective Buds with Bluetooth Connectivity FCC IDOSF-IE-100 a. Take out the left and right earphones from the charging box,at this time, after seeing that the blue LED of the left and right earphones are lit for 3 seconds at the same time, the blue LED of the left earphone goes out, and the red and blue LED of the right earphone flashes alternately, indicating that the left and right earphones have been automatically connected to each other and are waiting for the mobile phone to turn on the Bluetooth search function to pair with them. At this point, turn on the Bluetooth function of the mobile phone, select the search "Angry Stag IE-100"

and click in. The red and blue LEDs stop flashing, and the blue LEDs light up once every 5 seconds, indicating that the connection with the mobile phone is successful and it can be used. b. b.Hearing on:Take the earphone out of the charging box, and double-click the touch button. At this time, you will hear two sounds of "beep, beep" and the "Hearing" function will be turned on. c.Hearing pause:Double click the "R" or "L"touch button. At this time, you will hear a beep, and the "Hearing" function will be turned off. Then double-click the touch button again, and the "Hearing"

function will be turned on. d.Bluetooth function:After the headset is connected to the mobile phone with Bluetooth, you can listen to the voice and music signals from the mobile phone through the headset, and pause/play the music by touching the button.When making a call, press the "R" or

"L"touch button to answer the call,and then press to hang up. e.Bluetooth disconnection and connection:Distance between the earphone and the mobile phone is more than 10 meters, you will hear "Disconnected,Paring", indicating disconnection; After re-entering within 10 meters, you will hear "Didi" indicating successful reconnection. f.Charge for headset:When the headset is put into the box, the 4.2V output will charge the headset, and the headset will turn red during the charging process, and the full light will go out. g.Charge for box:Micro-USB interface charges, and 4 LEDs show the charging status. During the charging process, the LEDs are flashing and full, and 4 LEDs show full light. h.FCC Warning 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. lf 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 RF exposure statement:

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

Spracht Dear Sirs:

We hereby declare that because the earphone size is too small, the FCC ID number is printed on the User Manual, hereby declare. FCC ID: OSF-IE-100 4/1/2024 Sincerely, Signature:

Name: Margarita Kovats Title: EVP Company: Spracht version02

C5266091_X24_Ed.2 Attestation Statements that prohibit equipment authorization TO:

Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules for covered telecommunications equipment and video surveillance equipment produced by entities identified on the Commissions Covered List1, which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Spracht FRN: 0013831037 Grantee code: OSF FCC ID:

Contact Name:

Address:

Telephone No:

Fax No:

Email: margarita.kovats@spracht.com OSF-IE-100 Margarita Kovats 974 Commercial St Suite 108 Palo Alto, CA 94303 United States 650-215-7500 650-215-7500 i. ii.

[Spracht] (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. The applicant must sign this certification.

[Spracht] (the applicant) certifies that, as of the date of the filing of the application, the applicant is not (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing covered equipment. The applicant must sign this certification. Spracht 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. Date: 04.01.2024 Applicants Name: Margarita Kovats Title: EVP Signature 1 The Commissions Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commissions website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes covered equipment. https://www.fcc.gov/supplychain/coveredlist 1/1

C5266091_X10_Ed.2 Spracht Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 4/1/2024 Subject: Request for Confidentiality FCC ID: OSF-IE-100 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules

(47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Long-Term Confidentiality Short-Term Confidentiality NOTE 2 Exhibits ID Label/Location Attestation Statement External Photos Block Diagram Schematics Test Report Test Setup Photos Users Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) SDR Software / Security Info No No No No No No No NOTE 1 NOTE 1 No No No No No No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. 1/1 C5266091_X10_Ed.2 Sincerely, Signature:

Name: Margarita Kovats Title: EVP 1/1

C5266091_X8_Ed.1 Letter of Authorization Company: Spracht Address: 974 Commercial St Suite 108 Palo Alto, CA 94303 United States Product Name: In-Ear Hearing Protective Buds with Bluetooth Connectivity Model Number: IE-100 FCC Identifier: OSF-IE-100 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Margarita Kovats Date: 4/1/2024 Title: EVP Signature of applicant:

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US Agent for Service of Process LETTER OF ATTESTATION OSF OSF-IE-100 Margarita Kovats 974 Commercial St Suite 108 Palo Alto, CA 94303 United States 650-215-7500 margarita.kovats@spracht.com TO:

Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process:

Company Name: Spracht FRN: 0013831037 Contact Name: Margarita Kovats Address: 974 Commercial St Suite 108 Palo Alto, CA 94303 United States Telephone No: 650-215-7500 Email: margarita.kovats@spracht.com Applicant:

Company name: Spracht FRN: 0013831037 Product Description: In-Ear Hearing Protective Buds with Bluetooth Connectivity Grantee code:

FCC ID:

Contact Name:

Address:

Telephone No:

Email:

[Spracht] certifies that, as of the date of this filing of the application with the TCB, [Spracht] is our designated US agent for service of process for the above referenced FCC ID. [Spracht] 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 equipment.

[Spracht] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause 2.911. Date: 04.01.2024 Applicants Name: Margarita Kovats Title: EVP Signature US Agents Name: Margarita Kovats Title: EVP Signature 1/1