FCC ID: 2BBY4-3A BluetoothHeadphone

Product manual On-product information Product nameBluetooth Headphone model:3A Bluetooth versionBT5.0 LED light instructions Charging warehouse open cover-The green light is off for 10S Charging box cover-Off after the green light turns for 3s The cell phone is paired with the headphones-Long press the charging compartment button for 3 seconds, and the white LED indicator light in the charging compartment flashes slowly The headphones leave / put into the warehouse-Take the green light once

(left and right ears) Low power-Orange light flash Charging warehouse electricity(Press the key short)-Power> 10%, green light flashing once; power <10%, and orange light flashing four times Connect the charging line-Orange lights are long on for 10S Power full grid-Green light is on for 10S Function Introduction starting upOpen the lid of the charging compartment and light on the green light for 10 seconds power offWhen the headset is back in the charging compartment, close the lid The headphones are automatically pairedUnder the case of closing the cover, under the normal working condition of the battery voltage in the charging compartment, put the headset in the charging compartment, and the left ear and the right ear will be matching within 10 seconds. If the left ear and the right ear cannot be paired, put the left ear and the right ear into the charging compartment, the lid, open the lid of the charging compartment, press the charging compartment button for more than 3 seconds, the indicator light becomes the white light slow flash 3 times, then complete the ear pairing Mobile phone pairingOpen the lid of the charging compartment and close to the Apple phone, the phone will pop up the connection interface, click connect, press the charging compartment button for more than 3 seconds, the white indicator light flash slowly 3 times, wait for a moment. If it is an Android phone, enter the phone Bluetooth interface search device, select Airpods Pro (Apple phone can operate on the phone, modify the Bluetooth name of the headset) for matching connection Automatic backOpen the lid of the charging compartment, if the left and right ears before the team, the left and right ears will first automatically connect, and will be connected after the phone Cancel the pairingTurn off the Bluetooth or close the headset into the charging compartment, close the cover, cancel the headset in the charging compartment, open the cover, press the charging compartment button for 3 seconds, flash the white light in the charging compartment for 3 times, make left / right ear team and send pop-up data Refuse to answer the phoneLeft / right ear press twice; pressure sensing works when not in the ear Answer / close the callLeft / right ear press once to answer / end the phone;

effective The last songLeft / right ear presses three times; pressure sensing works when not in the ear The next song:Left / right ear press twice; pressure sensing works when not in the ear Pause / play:Left / right ear press once to play / pause; the pressure sensing operation is effective when not in the ear Start voice assistantThe iPhone, left / right ear press for 1 second, the default is noise reduction, or start Siri (specific functions need to be set by the iPhone;For Android phone, press left ear for 1 second to start Siri; right ear press for 1 second to reduce noise, close, and switch in transparent mode In-ear detection function switchApple mobile phone can normally set whether the ear function on the phone; Android mobile phone connected to the headset, left / right headset pressed 5 times to switch whether the ear function;

single headset into the ear, automatically switch to transparent mode; two ear automatically switch to noise reduction mode; noise reduction mode one headset automatically switch to transparent mode; two ear out, will close transparent mode Product maintenance 1Disassembling your Bluetooth headset can cause damage, and the warranty will expire. 2Please wipe your headphones with a clean, soft, dry cotton cloth. 3Do not place your headset in an overheated or excessively cold environment, otherwise it may be unused. 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. Note: 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.

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C5266091_X24_Ed.2 Attestation Statements 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) that prohibit equipment authorization Applicant Company name: Shenzhen Zhixuan Technology Co., Ltd Grantee code: 2BBY4 FCC ID: 2BBY4-3A Contact Name: Chen junrong Address: 12H, Block B, Xiandai Zhichuang Building, No. 1078, Huaqiang North Road, Fuqiang Community, Huaqiang North Street, Futian District, Shenzhen City Telephone: 13712228533 E-mail: 792924748@qq.com Fax: 13712228533 i. ii.

[Shenzhen Zhixuan Technology Co., 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. The applicant must sign this certification.

[Shenzhen Zhixuan Technology Co., Ltd] (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.

[Shenzhen Zhixuan Technology Co., Ltd] (the applicant) 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 coveredequipment . Date: 2023/07/07 Applicants Name: Chen junrong Title: Manager 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

Shenzhen Zhixuan Technology Co., Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Subject: Request for Confidentiality FCC ID: 2BBY4-3A To Whom It May Concern, Date: 2023-07-07 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. 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 Long-Term Confidentiality Short-Term Confidentiality NOTE 2 No No No No No No No No No 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. 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. Date: 2023-07-07 Sincerely, Name: Chen junrong Title: Manager Signature of applicant:

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Shenzhen Zhixuan Technology Co., Ltd Letter of Authorization Company: Shenzhen Zhixuan Technology Co., Ltd Address: 12H, Block B, Xiandai Zhichuang Building, No. 1078, Huaqiang North Road, Fuqiang Community, Huaqiang North Street, Futian District, Shenzhen City Product Name: BluetoothHeadphone Model Number: 3A FCC Identifier: 2BBY4-3A 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: Chen junrong Date: 2023-07-07 Title: Manager Signature of applicant:

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US Agent for Service of Process LETTER OF ATTESTATION TO:

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

Company Name: Wilson Tech Service LLC FRN: 0033402033 Contact Name: Wilson Cheung Address: 1312 17th Street Suite692DenverCO80202.US

+1-716-965-5112 Telephone No:

Wilson.Cheung.FDA@qmail.com Email:

Applicant:

Company name: Shenzhen Zhixuan Technology Co., Ltd Grantee code: 2BBY4 FCC ID: 2BBY4-3A Contact Name: Chen junrong Address: 12H, Block B, Xiandai Zhichuang Building, No. 1078, Huaqiang North Road, Fuqiang Community, Huaqiang North Street, Futian District, Shenzhen City Telephone: 13712228533 E-mail: 792924748@qq.com Fax: 13712228533

[Shenzhen Zhixuan Technology Co., Ltd] certifies that, as of the date of this filing of the application with the TCB, [Wilson Tech Service LLC] is our designated US agent for service of process for the above referenced FCC ID. [Shenzhen Zhixuan Technology Co., Ltd] 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. [Wilson Tech Service LLC]

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: 2023/07/07 Applicants Name: Chen junrong Title: Manager Signature US Agents Name: Wilson Cheung Title: Manager Signature 1/1