FCC ID: 2AZ5CKXDWM-001 Wireless Lavalier Microphone

Wireless Lavalier Microphone User's Guidance Button Function Diagram Product Manual 1. Description of Light Status:

Charging red light: Lights on when charging, and lights off when fully charged. Blue light: It's a mute light, lights on when power on, and flashing when in mute status. Status light: It's blinking when power on, and always on after connected the RECEIVER and TRANSMITTER devices. Bluetooth light: It will be blinking if the TX is not connected, and will keep always on.after connected. Noise reduction light: lights on if the noise reduction fuction turns on, and lights off when the function is not working. Reverberation light: lights on if the reverberation fuction turns on, and lights off when the function is not working. Low power light: lights on when the battery is in low power status. Full charged light: lights on when the battery is in fully charged status. 2. Description of Buttons:

Power button: long press to turn on/off, short press to mute. Function button: short press to turn on/off noise reduction. long press to turn on/off reverberation. double-click to turn on Bluetooth Accompaniment. Volume up: Short/long press means volume up. Volume down: Short/long press means volume down. 3. Use Instructions:

1. Connect Receiver with the connection cable to the phone 2. Open the power switch of both the Receiver and the transmitter devices, and then the Receiver and Transmitter will automatically connect. 3. The status light will always on after connected the RECEIVER and TRANSMITTER devices, and then you can turn on your phone to take videos or recording. 4. You can refer to the description of the button, choose the function you need, such as turn on or off the noise reduction function and reverberation, connecting Bluetooth to play music, etc. 5. After double -clicking the function button, the Bluetooth light WARN! ! !

will be flicking, and then you can play accompaniment after connected to Qone with other mobile phones. 6. You can monitor the sound simultaneously by plugging the external headset into the monitoring headphones port. It is strictly forbidden to throw the battery into the places with fire or high temperature. It is strictly forbidden to use in the high temperature or humid places, at the same time, do prevent the power adapter from being stepped on or squeezed when using. Do not use near any heat source such as radiators, stoves or other heat generating equipment

(including amplifiers) The button is a tact switch, do not use too much force, otherwise it will cause damage to the tact switch. FCC Warning Statement Changes or modifications not expressly approved by the party responsible for compliance could void the users 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. 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. FCC Radiation Exposure Statement The antennas used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be colocated for operating in conjunction with any other antenna or transmitter.

FCC ID LABEL:

FCC ID: 2AZ5CKXDWM-001 Product Name: Wireless Lavalier Microphone Model Name: kxdwm-001 Width: 2cm 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. Long: 3cm Label Location:

< Shenzhen Kaixunda Technology Co., Ltd. >

Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD21046 Subject; Request for Long Term Confidentiality FCC ID: 2AZ5CKXDWM-001 To Whom It May Concern, Date: Aug. 25, 2022 Pursuant to the provisions of the Commissions rules Title 47 Sections 0.457 and 0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature:

Name: Bartel Bai Title: Manager

Shenzhen Kaixunda Technology Co., Ltd. Letter of Authorization Company: Shenzhen Kaixunda Technology Co., Ltd. Address: 608-609, Building 6, 1970 Technology Town, Minzhi Street, Longhua District, Shenzhen, China Product name: Wireless Lavalier Microphone Trade name: N/A Model name: kxdwm-001, kxdwm-002, kxdwm-003, kxdwm-004, kxdwm-005, kxdwm-006, kxdwm-007, kxdwm-008, kxdwm-009, kxdwm-010 FCC Identifier: 2AZ5CKXDWM-001 We authorize MiCOM LabsInc, 575 Boulder Court, Pleasanton, California94566, USA, to act on our behalf on all matters concerning the above named equipment. Any individual within MiCOM Labs is authorized to act on our behalf and take action on the application. We declare that MiCOM LabsInc, 575 Boulder Court, Pleasanton, California 94566, USA, 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 MiCOM Labs on our behalf shall have the same effect as acts of our own. Name: Bartel Bai Date: Aug. 25, 2022 Title: Manager Signature of applicant:

Model Difference Declaration To Whom It May Concern, We, Shenzhen Kaixunda Technology Co., Ltd. Product name: Wireless Lavalier Microphone Trade name: N/A Model name: kxdwm-001, kxdwm-002, kxdwm-003, kxdwm-004, kxdwm-005, kxdwm-006, kxdwm-007, kxdwm-008, kxdwm-009, kxdwm-010 All models the function, software and electric circuit are the same, only with a product color and model named different. Test sample model: kxdwm-001. Please contact me if you have any question. Name: Bartel Bai Date: Aug. 25, 2022 Title: Manager Signature of applicant: