FCC ID: ZGM-LSBT1B-AMP BLUETOOTH RECEIVER AMPLIFIER

BT PAIRING NAME Status LSBT1B-AMP Function LED Prompt tone Remark USER MANUAL Power on Press and hold power on/off button for 3s Red and Blue stays 3s Power off Press and hold power on/off button for 3s Light off Pairing Automatically into pairing mode after powered on Red stayBlue blink Power on Power off Pairing Pairing successful 1Click the pairing name from the bluetooth list on to connect 2Automatically connect to last paired device Disconnection Pairing button Play/Pause Broadcast searching 1Out of bluetooth distance(10m) 2Click the pairing name from the bluetooth list to disconnect Press and hold the pairing button for 3s to disconnect the bluetooth device and into bluetooth searching Press the power on/off button to play/pause when music is playing After maser speaker connected to bluetooth, press the pairing button into Broadcast mode. Press the pairing button on slave speaker to disconnect the Broadcast mode. Press the pairing button again on master speaker to disconnect the Broadcast mode. Broadcast paired successful Automatically into seaching mode after into broadcast mode Red and Blue stays Connected Red stayBlue blink Disconnectedpairing Red stayBlue blink Red and Blue stays Pairing None Master speaker: Red stayBlue flashes three times in five seconds Slave speaker: Red stayBlue flashes quickly Broadcast mode Turn to original status Disconnected Master speaker: Red stayBlue flashes three times in five seconds Slave speaker: Red stayBlue stay Slave speaker: Connection successful Stand by function 1After powered on, 10mins power off if no connection 2After powered on, 10mins power off if no operation after connected Light off power off Hang on/Hang up Press the power on/off button to hang on/up Bluetooth status Ring of phone Reject call Press and hold the power on/off button for 1.5s to reject the call Bluetooth status None FCC 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. 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. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment

* RF warning for Portable device:

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

*RF warning for Mobile device:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

DATE2024/3/26 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: _ZGM-LSBT1B-AMP__ Product Name: BLUETOOTH RECEIVER AMPLIFIER __ Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential:

(List here the documents for which you are seeking confidentiality for example ) Schematics Block diagram Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors

<Signature>

NameBen Yeh Titlemanager Company Magnadyne Corporation

DATE:2024/3/26 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 2104 6 Authority to Act as Agent On our behalf, I appoint BlueAsia of Technical Services(Shenzhen) Co.,Ltd And Building C, No. 107, Shihuan Road, Shiyan Sub-District, Baoan District, Shenzhen,

(Name of Agent company name and address) to act as our Guangdong Province, China agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commissions regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on ourbehalf, I acknowledge that all responsibility for complying with the terms and conditionsfor certification, still resides with Magnadyne Corporation

<Signature>

NameBen Yeh Titlemanager Company Magnadyne Corporation

Magnadyne Corporation

(date)2024/3/26 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCCID: ZGM-LSBT1B-AMP)

[Magnadyne Corporation

] (the applicant) certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving a equipment authorization pursuant to section 2.903 of the FCC rules. n Sincerely,

(Applicant signature)

(Applicant printed name):Ben Yeh Magnadyne Corporation

(date)2024/3/26 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCCID:ZGM-LSBT1B-AMP)

[Magnadyne Corporation] (the applicant) certifies that, filing of the application, the applicant is not identified on the Covered List as an entit as of the date of the producing covered equipment. y Sincerely,

(Applicant signature)

(Applicant printed name):Ben Yeh

C5266091_X23_Ed.1 US AGENT LETTER OF ATTESTATION US Agent:

Company Name:Magnadyne Corporation Contact Name:Ben Yeh Address:1111 w, victoria Street Compton, CA 90220 USA Telephone No:310-735-2073 Fax No:310-735-2044 Email:byeh@magnadyne.com FRN: 0020766275 TO:

Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 This letter is to confirm that we have accepted the responsibility to act as US agent representative on behalf of the (Magnadyne Corporation) noted below for all future FCC certification/registrations obtained during the period of this agreement, which ends at the specified date below. As per US agent, we are aware of the requirements involved as outlined in FCC Equipment Authorization Program in their Report and Order FCC 22-84 and the clause 2.911 Application requirements. ZGM Corporation byeh@magnadyne.com Ben Yeh 1111 w, victoria Street Compton, CA 90220 USA Applicant Company name: Magnadyne Grantee code:

FCC ID:ZGM-LSBT1B-AMP Contact Name:

Address:

Telephone No: 310-735-2073 Fax No: 310-735-2044 Email:

FRN:0020766275 TheApplicantacknowledgetheacceptanceofitsobligationtomaintainanagentfor serviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthe granteehaspermanentlyterminatedallmarketingandimportationoftheapplicable equipment within the U.S., or the conclusion of any Commission-related administrativeorjudicialproceedinginvolvingtheequipment,whicheverislater

. Date: 2024-03-26 Applicants Name: Ben Yeh Title: manager Signatur US Agents Name:Ben Yeh Title:manager Signature e 1/1