FCC ID: 2AYYG-8027 MEGABASS LED JOBSITE SPEAKER

MEGABASS LED JOBSITE SPEAKER MODEL: 8027 BATTERY CAPACITY: LI-ION 3.7V/4000MAH CEFE &

FCC ID: 2AYYG-8027 J S/N: XXXXXXXXXX tzumni MADE IN CHINA INPUT: DC SV/IA MAX OUTPUT: 18 W

C5266091_X10_Ed.2 Guangzhou YueJu Electonic Technology Co.,Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2021-02-24 Subject: Request for Confidentiality FCC ID: 2AYYG-8027 To Whom It May Concern, Su Derning Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules

(47CFRO.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Short-Term Confidentiality | Confidentiality Y"

ID Label/Location No No Attestation Statement No No External Photos No Block Diagram X Schematics I Test Report | No No Test Setup Photos No User's Manual Note 1 Oo Internal Photos ( notet Parts List / Tune Up RF Exposure Info No No Operational Description L X Cover Letter(s) No No |

SDR Software / Security Info No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See I]. 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: Su Deming Su emi Title: The general manager ii

Declaration on model difference We, Guangzhou YueJu Electonic Technology Co.,Ltd.the undersigned hereby confirm that these models are identical, and all models have the same RF module and Antenna, except for color and shape of the appearance and model No. for trading purpose. Product name MEGABASS LED JOBSITE SPEAKER Model No. 8027,8032 Trade name FCC ID 2AYYG-8027 INPUT DC 5V 1A Confirmed by:

Client's signature: Su Deri Client's name / title: Su Deming /The general manager Date:2021-02-24 Page | of 1

C5266091_X8_Ed.1 Letter of Authorization Guangzhou YueJu Electonic Technology Co.,Ltd. Company: Guangzhou YueJu Electonic Technology Co.,Ltd. Address: Hengguan Creative Park , team II, Pingshan Huashan Town , Huadu District , Guangzhou , China Product Name: MEGABASS LED JOBSITE SPEAKER Model Number: 8027,8032 FCC Identifier: 2AYYG-8027 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: Su Deming Date: 2021-02-24 Title: The general manager Signature of applicant: Su Penny i