FCC ID: 2BQZN-BT152 RidgeRumble Portable Rugged Speaker

RidgeRumble Portable Rugged Speaker Eduardo 06/18/2026 MI-BT152-101M E-Power Limited LOGO TOP 5 mm 45 mm COOL GRAY 9C COLOR For ALL parts. BLACK CABLE Please include 1x 50cm USB-C cable. BLACK SLING Please include 1x sling as received sample. RidgeRumble Portable Rugged Speaker Eduardo 06/18/2026 MI-BT152-101M E-Power Limited RATING INFO BOTTOM

3 mm

Model: MI-BT152-101M Input: 5V Speaker Output: 2 x 10W Battery Capacity:2400mAh FCC:

Batch Code:

Made in China

33.5 mm COOL GRAY 6C

*Please add FCC ID # & Batch Code, IF too long, please use condensed font.*

E-power limited

(August 6, 2026) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern:

We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature:

Name: Leo Liu Title: General Manager

E-power limited

(August 6, 2026) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for FCC ID:2BQZN-BT152

[E-power limited] (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. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the covered list. Sincerely,

(Applicant signature)

(Applicant printed name)Leo Liu E-power limited

(August 6, 2026) 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 FCC ID:2BQZN-BT152

[E-power limited] (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 covered equipment. Sincerely,

(Applicant signature)

(Applicant printed name)Leo Liu

E-power limited

(August 6, 2026) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (RidgeRumble Portable Rugged Speaker /

MI-BT152-101M, MI-BT152-515M, MI-BT152, BT152, EPA102 / FCC ID: 2BQZN-

BT152 ) To Whom It May Concern:

This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the 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 No No NOTE 1 NOTE 1 No No Short-Term Confidentiality NOTE 2 No No No No No No required to be submitted with this application be permanently withheld from public review. 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. Please contact me if there is any information you may need. Sincerely, Signature:

Name: Leo Liu Title: General Manager

E-power limited Model Difference Data:August 6, 2026 Product description: RidgeRumble Portable Rugged Speaker Model name: MI-BT152-101M, MI-BT152-515M, MI-BT152, BT152, EPA102 Trade Name: N/A FCC ID: 2BQZN-BT152 All the model are the same circuit and RF module, only for model name. Regards Sincerely Clients signature :

Clients name / title : Leo Liu(General Manager) Contact information / address:ROOM 1, 16/F Empress Plaza, 17-19 Chatham Rd S, Tsim sha Tsui, HK

E-power limited Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 U.S. Agent Designation

[August 7, 2026]

[E-power limited] acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought FCC ID: 2BQZN-BT152 Name and company of U.S. agent: [GLOCERTS TECHNOLOGY INC]

Physical U.S. address of agent: [19784 SUNKISSED RIDGE DR, RIVERSIDE, CA 92507]

FRN of U.S. agent: [0036339737]

Email address of U.S. agent: [[email protected]]

Telephone of U.S.agent: (626) 588-8039

[GLOCERTS TECHNOLOGY INC] acknowledges their obligation to accept service of process on behalf of [E-

power limited].

[E-power limited] with the FRN [0037305828] accepts its obligation to maintain an agent for service of process in the United States for no less than 1 year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. Sincerely, Signature

[Leo Liu]

[General Manager]

[E-power limited]

Signature

[Huiying Fan]

[Director]

[GLOCERTS TECHNOLOGY INC]