FCC ID: 2AIL4-BH172A Bluetooth Speaker

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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.

Internal Photos OPEN VIEW OF EUT VIEW OF BATTERY INTERNAL VIEW OF EUT-1 INTERNAL VIEW OF EUT-2 Antenna INTERNAL VIEW OF EUT-3

External Photos TOP VIEW OF EUT BOTTOM VIEW OF EUT FRONT VIEW OF EUT BACK VIEW OF EUT LEFT VIEW OF EUT RIGHT VIEW OF EUT VIEW OF EUT (PORT)

FCC ID Label Location 30*40mm FCC ID:2AIL4-BH172A 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.

VTIN TECHNOLOGY Co., Limited Unit D,16/F,One Capital Place,18 Luard Road, Wan Chai, Hongkong _-- AA SSMS Apr.17, 2018 Federal Communication Commission Authorization and Evaluation Division FCC ID: 2AIL4-BH172A Re: Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, the applicant hereby requests confidential treatment of information applied this application as outlined below:

4: Block Diagram 2: Schematics 3: Operational Description The above materials contain trade secrets and proprietary information not customarily teleased to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rules 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, VTIN TECHNOLOGY Co., Limited Contact person: Sam Liu Title: Manager sor lity

Limited Agency Agreement VTIN TECHNOLOGY Co., Limited FCC ID: 2AIL4-BH172A VTIN TECHNOLOGY Co., Limited Unit D,16/F,One Capital Place,18 Luard Road, Wan Chai, Hongkong

[2018-04-17]

Federal Communications Commission 445 12th Street SW Washington, DC 20554 Subject:

To Whom It May Concern:

We, VTIN TECHNOLOGY Co., Limited hereby authorized Intertek Testing Services to act as our Agent for the purpose of preparing application for FCC ID number (2AIL4-BH172A) under all applicable parts of the FCC rules and regulations. The effective date of this limited agency agreement is (2018-04-17). The Limited Agency Agreement expires until further notice, unless sooner terminated or extended by written notice to Intertek Testing Services and the Federal Communications Commission. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. The applicant is not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 U.S.C. 862, and no party to the application is subject to a denial of federal benefits pursuant to that section. If you have any questions or comments, please do not hesitate to contact me. Sincerely,

[Signature]

VTIN TECHNOLOGY Co., Limited Contact person: Sam Liu Title: Manager