FCC ID: 2AML6KR309 True wireless earbuds

KINGRAY ELECTRONICS Co., LTD 3F, Building 13th, Xingwei the third Industrial Park, Fenghuang Village, Fuyong town, Baoan District, Shenzhen, Guangdong, China Series Models Description Date: 2020/04/06 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD FCC ID: 2AML6KR309 Dear Sir/Madam, We, KINGRAY ELECTRONICS Co., LTD. Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, and internal of these model(s) are the same, The color and model number is different for these models:

Product name:

Model no.: BB2811, BB2836, KR309 Additionally, there are two different types of structures and external appearance with the same PCB board. Sincerely, Name: Jason Wang Title: Manager Date: 04.06,2020 True wireless earbuds Signature of applicant:

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date: 2020/04/06 TO WHOM IT MAY CONCERN Pursuant to Paragraphs 0.457 and 0.459 of the Commissions Rules (47 C.F.R.) and Section 552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products:

FCC ID 2AML6KR309 BB2811, BB2836, KR309 For the product stated above, we request that the following information be held confidential;

Model name Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos Users Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title Company:

Address:

Phone:

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Jason Wang/ Manager KINGRAY ELECTRONICS Co., LTD 3F, Building 13th, Xingwei the third Industrial Park, Fenghuang Village, Fuyong town, Baoan District, Shenzhen, Guangdong, China 86-755-93772715 86-755-93772715 jason@kingrayelec.com

3F, Building 13th, Xingwei the third Industrial Park, Fenghuang Village, Fuyong town, Baoan KINGRAY ELECTRONICS Co., LTD District, Shenzhen, Guangdong, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 To whom it may concern:

04/06/2020 We, KINGRAY ELECTRONICS Co., LTD the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2AML6KR309 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Name/Title Jason Wang/ Manager Company:

Address:

KINGRAY ELECTRONICS Co., LTD 3F, Building 13th, Xingwei the third Industrial Park, Fenghuang Village, Fuyong town, Baoan District, Shenzhen, Guangdong, China 86-755-93772715 86-755-93772715 jason@kingrayelec.com Sincerely, Phone:

Fax:

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