FCC ID: 2ATTK-CYTT228 Desktop music atmosphere light

FCC WARNING

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.

To maintain compliance with FCC’s RF Exposure guidelines, This equipment should be

installed and operated with minimum distance between 20cm the radiator your body: Use

only the supplied antenna.

Label & label location Label location Size:40*20mm Desktop music atmosphere light FCC ID: 2ATTK-CYTT228 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.

(Shenzhen ChuangYiTong Technology Co., Ltd)

Federal Communications Commission

Authorization and Evaluation Division

Confidentiality Request regarding application for certification of FCC ID:

2ATTK-CYTT228

Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential

treatment of information accompanying this application as outlined below:

Exhibit Type

Block Diagram,

Schematics,

Operational Description

The above materials contain trade secrets and proprietary information not customarily released to

the public. The public disclosure of these materials may be harmful to the applicant and provide

unjustified benefits to its competitors.

The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this

application and all accompanying documentation will not be made before the date of the Grant

for this application.

Sincerely,

File Name

Block Diagram

Schematics

Operational Description

(Zhangxian ren )

Rev 11/20/07

Shenzhen ChuangYiTong Technology Co., Ltd

Model Difference

2021-08-25

EUT NAME: Desktop music atmosphere light

FCC ID: 2ATTK-CYTT228

MODEL :

CYTT-228/ARGB/30D

CYTT-228/ARGB/15D, CYTT-228/RGB/30D, CYTT-228/RGB/15D, CYTT-

W228/ARGB/30D, CYTT-W228/RGB/30D, CYTT-H228/ARGB/30D, CYTT-

H228/RGB/30D,MA-AL01

All the model are the same circuit and RF module, except model names. .

Regards

Sincerely

Client’s signature

Client’s name / title : Zhangxian ren / CEO

Contact information / address: 3rd Floor, 4th Building, Hehe Tech Park,Guanlan

Street, Longhua District,Shenzhen, China

(Shenzhen ChuangYiTong Technology Co., Ltd) Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date:

SUBJECT: FCC Application for FCC ID: 2ATTK-CYTT228 To Whom It May Concern:

We, the undersigned, hereby authorize Alan Mei at Shenzhen BCTC Testing Co., Ltd. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Alan Mei of Shenzhen BCTC Testing Co., Ltd. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards,

(Zhangxian ren)