FCC ID: DMOSEBT4 Bluetooth headset

CAN ICES-3(B)/NMB- 36) FCC ID: DMOSEBT4!

IC: 2099A-SEBT4 Model:SEBT3|

YINMB-3(B}

ID: DMOSEBT4 IC: 2099A-SEBT4 Model: SEBT4

Date: October 30, 2019 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Rd Columbia MD 21046-1609 Subject: Request for confidentiality FCC ID: DMOSEBT4 To whom it may concern:

Short-term confidentiality Pursuant to DA 04-1705 of the Commissions pubic notice, in order to comply with the marketing regulations in 47CFR 2.803 and the importation rules in 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices. We are requesting the commission to grant short-term confidentiality request on the following attachments until 2020/1/8. Internal Photographs External Photographs User's manual Test Set up photo Block Diagram Schematics Operational Description Permanent confidentiality Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, the Applicant Hereby requests confidential treatment of information accompanying this Application as outlined below:

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. Should you require any further information, please contact the undersigned. Thank you for your consideration in this matter. Sincerely,

: Sennheiser Electronic Corp.

: 1 Enterprise Drive Old Lyme, CT 06371, U.S.A Applicant Address Signature E-mail Tel. Name and Job Title.

: Michael Lieske. Director Operations Americas

: Michael.lieske@sennheiser.com

: +1 (860) 434-9190 Sennheiser electronic GmbH & Co. KG Am Labor 1 30900 Wedemark, Germany T +49 5130 600 - 0 F +49 5130 600 1300 Sitz 30900 Wedemark, Amtsgericht Hannover HRA 120100 phG: Sennheiser Beteiligungs-GmbH Sitz 30900 Wedemark, Amtsgericht Hannover HRB 120179 Page 1/1

Date: 2019/10/30 Federal Communications Commission 7435 Oakland Mills Rd Columbia MD 21046-1609 Subject: Product Certification Representative Authorization Letter Dear Sir, We the undersigned, hereby authorize following person to act as our agent in the preparation of an application for equipment authorization of model SEBT3 and SEBT4 to the FCC Rules and Regulations. Brand name and model type of the specified radio equipment: SENNHEISER / SEBT3, SEBT4 FCC ID:

Product name: Bluetooth in-ear headphones Sennheiser Electronic Corp. also authorizes the following person to be a proxy to handle all certification matters. DMOSEBT4 Address

: No.3-1, Lane 6, Wen San 3rd St. Kwei Shan Dist, Taoyuan City 333, Taiwan (R.O.C.) International Certification Corp. Name

: Gary Chang Job Title

: Manager

: garychang@icertifi.com.tw e-mail We further certify that neither the applicant nor any party to this application, as defined in 47 CFR Ch. 1.2002(b), is subject to a denial to Federal benefits, that include FCC benefits, pursuant to section 5301 of the Anti-Drug Abuse Act of 1998, 21 U.S.C. 862. This appointment also includes the authority to complete FCC Form 731 on our behalf and sign the application as an authorized agent.

: Sennheiser Electronic Corp.

: 1 Enterprise Drive Old Lyme, CT 06371, U.S.A Applicant Address Signature

Name and Job Title.

: Michael Lieske. Director Operations Americas E-mail

: Michael.lieske@sennheiser.com Tel. Sennheiser electronic GmbH & Co. KG

: +1 (860) 434-9190 Page 1/1 Am Labor 1 30900 Wedemark, Germany T +49 5130 600 - 0 F +49 5130 600 1300 Sitz 30900 Wedemark, Amtsgericht Hannover HRA 120100 phG: Sennheiser Beteiligungs-GmbH Sitz 30900 Wedemark, Amtsgericht Hannover HRB 120179