FCC ID: 2A2C2-WI20-MIC1 MicroPhone Speaker

01. Turn on/off and Play/Pause When long-pressing the Power button for two seconds, the LED light flashes on with the "Power On" sound, and the power is turned on. After a device is connected, short-press Button to play/pause. When long-presing the button that is turned on for two seconds, the LED light goes off with the "Power Off" sound. The power is off now. User Manual 02 Adjust Echo and Mic Volume

* Echo adjustment: Move the Echo Mode button up (+) and down (-) to increase or reduce echo.

* Mic volume adjustment: Move the Microphone Volume Control button up (+) and down (-) to increase or reduce volume. 03. Adjust Speaker Volume When pressing the Speaker Volume down (-) , the volume is reduced and pressing several times mute the sound. When pressing the Speaker volume up (+), the volume is increased and pressing the button to exceed the maximum output leads to an alert sound.

* Adjust the volume in the smartphone when adjusting the sound at or above its maximum output. Instructions For Use 04. Play previous/Next song Pressing the Play Previous Music restart the song that was being played, and pressing again playes the previous music. Pressing the Play Next Music playes the next song.

* This may be different depending on the application used in the smartphone. 05. Connecting to a bluetooth

(Pairing) 1. Press the power button for two seconds, the LED light flashes on with the "Power On" sound, and the power is turned on. 2. Next, with the "Bluetooth Mode" sound, the power button LED light flickers. 3. Turn on the bluetooth of the smartphone, search and pair with the main mic. (bluetooth name: -----). When the connection is properly done, the LED light in the power button stops flickering.

* A device that was paired before is automatically reconnected when turning the power on.

* Repeat the pairing process again if the reconnection is not done automatically. 06 Connecting two mics (Dual Pairing) 1. Turn off the bluetooth of the device (smartphone) to be connected before use. 2. Long-pressing the power button of the two mics for two seconds turns on the power with the "Bluetooth Mode" sound, and the LED light flickers on the power button. 3. Choose one mic as a main mic. Short-press the power button of the main mic. A "Ding-dong" sound is created and the dual pairing starts. 4. After 1~3 seconds, the same "Ding-dong" sound comes from a sub-mic, connecting the two mics. When the connection is properly done, the LED light in the power button stops flickering. 5. Turn on the bluetooth of the smartphone to be connected, search and pair with the main mic. (bluetooth name: TinyTAN01). The duet mode has been set up. 6. To dual pair with other mics, turn off the power button of the connected device, and repeat the process from 1~5 using a new Mic.

* Dual pairing is suppored when using the same model manufactured by this company. 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction

C5266091_X10_Ed.1

< WI Co.,Ltd. >

Date: 2021-06-22 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Subject: Request for Confidentiality FCC ID:2A2C2-WI20-MIC1 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. 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 No No No Short-Term Confidentiality No No No No No No No No Above mentioned document contains detailed system and equipment description are the equipment. The public considered as proprietary information in operation of 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. Name:CHI CHENG HAO Sincerely, Signature:

Title: N/A 1/1

WI Co.,Ltd. Model Difference Product description: MicroPhone Speaker Model name: WI20-MIC1 WI20-MIC2, WI21-MIC01 Trade Name: N/A FCC ID:2A2C2-WI20-MIC1 Regards Sincerely All the model are the same circuit and RF module, only for model name. Clients signature:

Clients name / title : CHI CHENG HAO (Manager) Contact information / address: 1-1120, SK V1 Center, 48 Achasan-ro 17-

gil,Seongdong-gu,Seoul,South Korea

C5266091_X8_Ed.1 Letter of Authorization

<WI Co.,Ltd. >

Company:WI Co.,Ltd. Address:1-1120, SK V1 Center, 48Achasan-ro17-gil,Seongdong-gu,Seoul,South Korea Product Name: MicroPhone Speaker Model Number: WI20-MIC1 WI20-MIC2, WI21-MIC01 FCC Identifier:2A2C2-WI20-MIC1 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, 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. is allowed to forward all Name: CHI CHENG HAO Date: 2021-06-22 Title: N/A Signature of applicant:

1/1