DMOCXPLUSTW1RCX Plus True Wireless (CXPLUSTW1)

Sennheiser Electronic Corp

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Application Details

Equipment Class: DSS - Part 15 Spread Spectrum Transmitter
Date of Grant: Aug 01, 2021
Application Purpose: Original Equipment
Date of Application: Jul 29, 2021
Equipment Note: CX Plus True Wireless (CXPLUSTW1)
Frequency Range: 2402.00000000 - 2480.00000000
Company: Sennheiser Electronic Corp
Country: United States

Documents & Files

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

Sennheiser electronic GmbH & Co. KG Am Labor 1, 30900 Wedemark, Germany Publ. 06/21, 592515/A01 www.sennheiser.com This device complies with Part 15 of the FCC rules, RSS-247 of Innovation, Sci- ence and Economic Development Canada (ISED). Operation is subject to the following tw o 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. 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 tele- vision reception, which can be determined by turning the equipment off and on, the user is encouraged t o tr y t o corr ect the interference by one or more of the following measures: • Reorient or relocate the r eceiving antenna. • Increase the separation between the equipment and r eceiver. • Connect the equipment into an outlet on a circuit differ ent from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Changes or modifications made to this equipment not expressly approved by Senn - heiser electronic Corp. may void FCC authorization to operate this equipment. Déclaration requise par la FCC et ISDE Cet appareil est conforme à la Partie 15 des réglementations de la FCC et aux normes CNR-247 d’Innovation, Sciences et Développe- ment économique Canada (ISDE). L’utilisation de l’appareil doit res- pecter les deux conditions suivantes : (1) L’appareil ne doit pas produire d’interférences nuisibles, et, (2) il doit accepter toutes interférences reçues, y compris celles qui pourraient a voir des effets non désirés sur son fonctionne- ment. CAN ICES3(B)/NMB3(B) RF Radiation Exposure Information The product com plies with the rules of FCC and ISED (RSS-102) for the portable RF exposure limit set forth for an uncontrolled environment and is safe for intended operation as described in this manual. This product is not subjected to FCC routine RF exposure evaluation per Section 2.1093 and RSS-102 of ISED. Further RF expo- sure reduction can be achieved if the product can be kept as far as possible from the user body or set the device to lo wer output power if such function is available. This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter. Use of other accessories not verified by the man - ufacturer may not ensure the compliance. Informations sur l’e xposition aux radiations RF Le produit est conforme aux règles de la FCC et d’ISDE (CNR-102) en ce qui concerne la limite d’exposition portable RF définie p our u n e nvironnement n on contrôlé et est sans danger pour le fonctionnement prévu, tel que décrit dans ce manuel. Ce produit n’est pas soumis à l’évaluation de routine de l’exposition aux RF par la FCC conformément à la section 2.1093 et à la norme CNR-102 d’ISDE. Une réduction supplémentaire de l’exposition aux RF peut être obtenue si le produit peut être maintenu aussi loin que possible du corps de l’utilisateur ou si l’appareil est réglé sur une puissance de sortie inférieure, si cette fonction est disponible. Cet émetteur ne doit pas être installé ou utilisé en conjonction avec une autre antenne ou un autre émetteur. L’utilisation d’autres accessoires non vérifiés par le fabricant ne peut pas garantir la conformité. SENNHEISER Model No: FCC Supplier's Declaration of Conformity (SDoC) We, Sennheiser Electronic Corporation One Enterprise Drive • Old Lyme • CT 06371 • USA Tel: +1 (860) 434 9190 Fax: +1 (860) 434 1759 declare the above device comply with the requirements of Federal Communications Commission. This device complies with Part 15 of the FCC rules. Operation is subjected to the following two conditions: 1) This device may not cause harmful interference, and 2) This device must accep t any interference received, including interference that may cause undesired operation. Responsible Party:Michael Lieske CXPLUSTW1 R CXPLUSTW1 L CXPLUSTW1 C Statements regarding FCC and ISED

Users Manual

Cover Letter(s)

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 Confidentiality Request Date: July 10, 2021 Model No.: CXPLUSTW1 R FCC ID: DMOCXPLUSTW1R Attention To: Federal Communications Commission Authorization and Evaluation Division Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the Applicant hereby requests confidential treatment of information accompanying this Application as outlined below:  Schematics  Block Diagram  Operation Description The above materials contain trade secrets and proprietary information not customarily released 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 Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. For and on behalf of Sennheiser electronic GmbH & Co.KG Sincerely, ________________________________ Anitha Shankari N.S Senior Compliance Manager – APAC Region Tel: +65-69325978 [email protected]

Cover Letter(s)

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 SHORT-TERM CONFIDENTIALITY REQUEST Date: July 10, 2021 Model No.: CXPLUSTW1 R FCC ID: DMOCXPLUSTW1R Attention To: Federal Communications Commission Authorization and Evaluation Division Pursuant to Paragraphs §0.457 and 0.459 of the Commission's Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests short term confidentiality for the following documents: 1. External and Internal Photographs 2. Test Setup Photos 3. User Manual We request this confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device, which is planned for September 14, 2021. If you have any questions, please feel free to contact the undersigned. For and on behalf of Sennheiser electronic GmbH & Co.KG Sincerely, ________________________________ Anitha Shankari N.S Senior Compliance Manager – APAC Region Tel: +65-69325978 [email protected]

Cover Letter(s)

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 Agency Authorization Letter Date: July 10, 2021 FCC ID: DMOCXPLUSTW1R To whom it may concern: We, the undersigned, hereby authorize Bureau Veritas Consumer Product Services (H.K.) Ltd., Taoyuan Branch of Taiwan to act on our behalf as our agent, related to the FCC approval of our product with the following model number. Model No.: CXPLUSTW1 R in the following matter: report submittal, related correspondence, the signing of all documents relating to these matters, and any other lawful activity necessary to obtain such certification. Any act carried out by BV Bureau Veritas Consumer Product Services (H.K.) Ltd., Taoyuan Branch of Taiwan within the scope of this authorization shall have the same effects as our own. This authorization is valid for six months from the original date. If you have any questions regarding the authorization, please don’t hesitate to contact us. For and on behalf of Sennheiser electronic GmbH & Co.KG Sincerely, ________________________________ Anitha Shankari N.S Senior Compliance Manager – APAC Region Tel: +65-69325978 [email protected]

External Photos

Reference No.: BCEE-WTW-P21050412_EXT Page 1 of 16 CONSTRUCTION PHOTOS OF EUT CX Plus True Wireless (CXPLUSTW1) Brand name: SENNHEISER / Model No.: CXPLUSTW1 FCC ID: DMOCXPLUSTW1R / IC ID: 2099A‐CXPLUSTW1R White Color Black Color Reference No.: BCEE-WTW-P21050412_EXT Page 2 of 16 Reference No.: BCEE-WTW-P21050412_EXT Page 3 of 16 Right Earbud, Brand Name: SENNHEISER, Model No.: CXPLUSTW1 R White Color Reference No.: BCEE-WTW-P21050412_EXT Page 4 of 16 Reference No.: BCEE-WTW-P21050412_EXT Page 5 of 16 Reference No.: BCEE-WTW-P21050412_EXT Page 6 of 16 Right Earbud, Brand Name: SENNHEISER, Model No.: CXPLUSTW1 R Black Color Reference No.: BCEE-WTW-P21050412_EXT Page 7 of 16 Reference No.: BCEE-WTW-P21050412_EXT Page 8 of 16 Reference No.: BCEE-WTW-P21050412_EXT Page 9 of 16 Charging Case White Color Reference No.: BCEE-WTW-P21050412_EXT Page 10 of 16 Reference No.: BCEE-WTW-P21050412_EXT Page 11 of 16 Reference No.: BCEE-WTW-P21050412_EXT Page 12 of 16 Reference No.: BCEE-WTW-P21050412_EXT Page 13 of 16 Charging Case Black Color Reference No.: BCEE-WTW-P21050412_EXT Page 14 of 16 Reference No.: BCEE-WTW-P21050412_EXT Page 15 of 16 Reference No.: BCEE-WTW-P21050412_EXT Page 16 of 16

ID Label/Location Info

Label and location Compliance Sheet within package: Bottom view of package:

Internal Photos

Reference No.: BCEE-WTW-P21050412_INT Page 1 of 14 CONSTRUCTION PHOTOS OF EUT CX Plus True Wireless (CXPLUSTW1) Right Earbud, Brand Name: SENNHEISER, Model No.: CXPLUSTW1 R White Color Reference No.: BCEE-WTW-P21050412_INT Page 2 of 14 Reference No.: BCEE-WTW-P21050412_INT Page 3 of 14 Reference No.: BCEE-WTW-P21050412_INT Page 4 of 14 Reference No.: BCEE-WTW-P21050412_INT Page 5 of 14 Right Earbud, Brand Name: SENNHEISER, Model No.: CXPLUSTW1 R Black Color Reference No.: BCEE-WTW-P21050412_INT Page 6 of 14 Reference No.: BCEE-WTW-P21050412_INT Page 7 of 14 Reference No.: BCEE-WTW-P21050412_INT Page 8 of 14 Reference No.: BCEE-WTW-P21050412_INT Page 9 of 14 Charging Case White Color Reference No.: BCEE-WTW-P21050412_INT Page 10 of 14 Reference No.: BCEE-WTW-P21050412_INT Page 11 of 14 Reference No.: BCEE-WTW-P21050412_INT Page 12 of 14 Charging Case Black Color Reference No.: BCEE-WTW-P21050412_INT Page 13 of 14 Reference No.: BCEE-WTW-P21050412_INT Page 14 of 14

RF Exposure Info

FCC SAR Exclusion Report Report Format Version 5.0.0 Page No. : 1 of 9 Report No. : SFBCEE-WTW-P21050412-1 Issued Date : Jul. 01, 2021 FCC SAR Exclusion Report Report No. : SFBCEE-WTW-P21050412-1 Applicant : Sennheiser electronic GmbH & Co. KG Address : Am Labor 1, D-30900 Wedemark, Germany Product Name : CX Plus True Wireless (CXPLUSTW1) Brand Name : SENNHEISER FCC ID : DMOCXPLUSTW1R Model No. : CXPLUSTW1 R Standards : FCC 47 CFR Part 2 (2.1093), IEEE C95.1:1992, IEEE Std 1528:2013 KDB 865664 D01 v01r04, KDB 865664 D02 v01r02, KDB 447498 D01 v06 Sample Received Date : May 13, 2021 Date of Evaluation : Jun. 24, 2021 Lab Address : No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location : No. 19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City, Taiwan CERTIFICATION: The above equipment have been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch – Lin Kou Laboratories, and found compliance with the requirement of the above standards. The test record, data evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts of the measurements of the sample’s SAR characteristics under the conditions specified in this report. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim product certification, approval, or endorsement by TAF or any government agencies. Prepared By : Vera Huang / Specialist Approved By : Gordon Lin / Manager This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. FCC SAR Exclusion Report Report Format Version 5.0.0 Page No. : 2 of 9 Report No. : SFBCEE-WTW-P21050412-1 Issued Date : Jul. 01, 2021 Table of Contents Release Control Record ............................................................................................................................................................... 3 1. Summary of Maximum SAR Value ....................................................................................................................................... 4 2. Description of Equipment Under Test ................................................................................................................................. 5 3. SAR Measurement Evaluation .............................................................................................................................................. 6 3.1 Maximum Output Power ............................................................................................................................................... 6 3.1.1 Maximum Target Conducted Power ................................................................................................................... 6 3.1.2 Measured Conducted Power Result ................................................................................................................... 6 3.1.3 Time-Avg. Power calculation. ............................................................................................................................. 6 3.2 SAR Testing Exclusions ............................................................................................................................................... 8 4. Information on the Testing Laboratories ............................................................................................................................. 9 Appendix A. Photographs of EUT and Setup Appendix B. Maximum Target Conducted Power Appendix C. Measured Conducted Power Result FCC SAR Exclusion Report Report Format Version 5.0.0 Page No. : 3 of 9 Report No. : SFBCEE-WTW-P21050412-1 Issued Date : Jul. 01, 2021 Release Control Record Issue No. Reason for Change Date Issued SFBCEE-WTW-P21050412-1 Initial release Jul. 01, 2021 FCC SAR Exclusion Report Report Format Version 5.0.0 Page No. : 4 of 9 Report No. : SFBCEE-WTW-P21050412-1 Issued Date : Jul. 01, 2021 1. Summary of Maximum SAR Value Equipment Class Mode Highest Reported SAR 1g (W/kg) DSS & DTS Bluetooth Not Required Note: 1. The SAR limit (Head & Body: SAR 1g 1.6 W/kg) for general population / uncontrolled exposure is specified in FCC 47 CFR part 2 (2.1093) and ANSI/IEEE C95.1-1992. FCC SAR Exclusion Report Report Format Version 5.0.0 Page No. : 5 of 9 Report No. : SFBCEE-WTW-P21050412-1 Issued Date : Jul. 01, 2021 2. Description of Equipment Under Test Test Item Description True Wireless Earphones Product Name CX Plus True Wireless (CXPLUSTW1) FCC ID DMOCXPLUSTW1R Brand Name SENNHEISER Model No. CXPLUSTW1 R Status of EUT Engineering Sample Power Ratings Left earbud& Right earbud: 3.7Vdc, 55mAh (from battery) Charging Case: 5Vdc, 600 mA (from Type-C USB interface) 3.7Vdc, 400-420mAh (from battery) Operating Temperature range …

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RF Exposure Info

Appendix B. Maximum Target Conducted Power The maximum conducted average power (Unit: dBm) including tune-up tolerance is shown as below. Report No. : SCBCEE-WTW-P21050412 ModeChannel Frequency Max Tune-up Power 024026.47 392441 6.47 782480 6.47 024026.16 192440 6.16 392480 6.16 024025.58 192440 5.58 392480 5.58 LE4.0 LE 5.2 BDR / EDR Bluetooth (Right Ear) Include Duty Cycle Report No. : SCBCEE-WTW-P21050412 ModeChannel Frequency Max Tune-up Power 02402 10.5 392441 10.5 782480 10.5 02402 10.5 192440 10.5 392480 10.5 02402 10.5 192440 10.5 392480 10.5 LE 5.2 Bluetooth (Right Ear) Not include Duty Cycle BDR / EDR LE4.0 Report No. : SCBCEE-WTW-P21050412

RF Exposure Info

Appendix C. Measured Conducted Power Result The measuring conducted power (Unit: dBm) are shown as below. Report No. : SFBCEE-WTW-P21050412-1 ModeChannelFrequencyAvg. Power 0240210.32 39244110.31 78248010.11 024029.91 1924409.82 3924809.58 024029.90 1924409.82 3924809.58 LE 5.2 LE4.0 Bluetooth Ant 1 (Right Ear) BDR / EDR Report No. : SFBCEE-WTW-P21050412-1

Test Report

Report No.: RFBCEE-WTW-P21050412-2 Page No. 1 / 60 Report Format Version: 6.1.1 FCC Test Report Report No.: RFBCEE-WTW-P21050412-2 FCC ID: DMOCXPLUSTW1R Model No.: CXPLUSTW1 R Received Date: May 13, 2021 Test Date: May 19 ~ Jun. 29, 2021 Issued Date: Jul. 02, 2021 Applicant: Sennheiser electronic GmbH & Co. KG Address: Am Labor 1, D-30900 Wedemark, Germany Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location (1): No.19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City 33383, Taiwan Test Location (2): B2F., No.215, Sec. 3, Beixin Rd., Xindian Dist., New Taipei City 231, Taiwan FCC Registration / Designation Number: 788550 / TW0003 427177 / TW0011 This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. Report No.: RFBCEE-WTW-P21050412-2 Page No. 2 / 60 Report Format Version: 6.1.1 Table of Contents Release Control Record .................................................................................................................................. 4 1 Certificate of Conformity ........................................................................................................................... 5 2 Summary of Test Results ........................................................................................................................... 6 2.1 Measurement Uncertainty ..................................................................................................................... 6 2.2 Modification Record .............................................................................................................................. 6 3 General Information ................................................................................................................................... 7 3.1 General Description of EUT .................................................................................................................. 7 3.2 Description of Test Modes ..................................................................................................................... 8 3.2.1 Test Mode Applicability and Tested Channel Detail .................................................................... 9 3.3 Duty Cycle of Test Signal ..................................................................................................................... 11 3.4 Description of Support Units ............................................................................................................... 12 3.4.1 Configuration of System under Test ......................................................................................... 12 3.5 General Description of Applied Standards and References ............................................................... 12 4 Test Types and Results ............................................................................................................................ 13 4.1 Radiated Emission and Bandedge Measurement .............................................................................. 13 4.1.1 Limits of Radiated Emission and Bandedge Measurement ..................................................... 13 4.1.2 Test Instruments ....................................................................................................................... 14 4.1.3 Test Procedures ........................................................................................................................ 15 4.1.4 Deviation from Test Standard ................................................................................................... 15 4.1.5 Test Set Up ............................................................................................................................... 16 4.1.6 EUT Operating Conditions ........................................................................................................ 17 4.1.7 Test Results .............................................................................................................................. 18 4.2 Conducted Emission Measurement .................................................................................................... 30 4.2.1 Limits of Conducted Emission Measurement ........................................................................... 30 4.2.2 Test Instruments ....................................................................................................................... 30 4.2.3 Test Procedures ........................................................................................................................ 31 4.2.4 Deviation from Test Standard ..........................................................…

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Test Setup Photos

Appendix A. Photographs of EUT and Setup The photographs of EUT and s etup for SAR assessment are shown as follows. Report No. : SFBCEE-WTW-P21050412-1 <Antenna Location> Report No. : SFBCEE-WTW-P21050412-1 <Photographs of EUT> Right Earbud, Model no.：CXPLUSTW1 R Report No. : SFBCEE-WTW-P21050412-1

Test Setup Photos

Reference No.: RFBCEE-WTW-P21050412-1 1 PHOTOGRAPHS OF THE TEST CONFIGURATION CONDUCTED EMISSION TEST Mode B Reference No.: RFBCEE-WTW-P21050412-1 2 CONDUCTED EMISSION TEST Mode C Reference No.: RFBCEE-WTW-P21050412-1 3 RADIATED EMISSION TEST BELOW 1GHz (Y-Plane) Mode A Reference No.: RFBCEE-WTW-P21050412-1 4 Reference No.: RFBCEE-WTW-P21050412-1 5 Mode B Reference No.: RFBCEE-WTW-P21050412-1 6 Referen…

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Contact Information

Applicant

Michael Lieske

[email protected]860-434-9190Fax: 860-434-1759

Technical Contact

Bureau Veritas CPS(H.K.) Ltd.Ken Liu

[email protected]886-3-318-3232

No.19, Hwa Ya 2nd Rd., Wen Hwa Vil. · Taiwan

Non-Technical Contact

Bureau Veritas CPS(H.K.) Ltd.Yoyo Peng

[email protected]886-3-260-0628

Test Firm

Bureau Veritas CPS (H.K.) Ltd., Taoyuan BranchRichard Chen

[email protected]+886-3-260-0884Fax: +886-3-211-5834

Technical Specifications

#	Rule Parts	Frequency Range	Power Output
1	15C	2.40 GHz - 2.48 GHz	18.00 mW

Confidentiality

Long Term

Grant Notes

End-users must be provided with transmitter operating conditions for satisfying RF exposure compliance.

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Documents & Files

Select a file to view

Users Manual

↗

Cover Letter(s)

↗

External Photos

↗

ID Label/Location Info

↗

Internal Photos

↗

RF Exposure Info

↗

Test Report

↗

Test Setup Photos

↗

Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

Cover Letter(s)

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 SHORT-TERM CONFIDENTIALITY REQUEST Date: July 10, 2021 Model No.: CXPLUSTW1 R FCC ID: DMOCXPLUSTW1R Attention To: Federal Communications Commission Authorization and Evaluation Division Pursuant to Paragraphs §0.457 and 0.459 of the Commission's Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests short term confidentiality for the following documents: 1. External and Internal Photographs 2. Test Setup Photos 3. User Manual We request this confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device, which is planned for September 14, 2021. If you have any questions, please feel free to contact the undersigned. For and on behalf of Sennheiser electronic GmbH & Co.KG Sincerely, ________________________________ Anitha Shankari N.S Senior Compliance Manager – APAC Region Tel: +65-69325978 [email protected]

Cover Letter(s)

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 Agency Authorization Letter Date: July 10, 2021 FCC ID: DMOCXPLUSTW1R To whom it may concern: We, the undersigned, hereby authorize Bureau Veritas Consumer Product Services (H.K.) Ltd., Taoyuan Branch of Taiwan to act on our behalf as our agent, related to the FCC approval of our product with the following model number. Model No.: CXPLUSTW1 R in the following matter: report submittal, related correspondence, the signing of all documents relating to these matters, and any other lawful activity necessary to obtain such certification. Any act carried out by BV Bureau Veritas Consumer Product Services (H.K.) Ltd., Taoyuan Branch of Taiwan within the scope of this authorization shall have the same effects as our own. This authorization is valid for six months from the original date. If you have any questions regarding the authorization, please don’t hesitate to contact us. For and on behalf of Sennheiser electronic GmbH & Co.KG Sincerely, ________________________________ Anitha Shankari N.S Senior Compliance Manager – APAC Region Tel: +65-69325978 [email protected]

External Photos

ID Label/Location Info

Label and location Compliance Sheet within package: Bottom view of package:

Internal Photos

RF Exposure Info

Text truncated - open the document above for the full version.

RF Exposure Info

Test Report

Text truncated - open the document above for the full version.

Test Setup Photos

Text truncated - open the document above for the full version.

Contact Information

Applicant

Michael Lieske

[email protected]860-434-9190Fax: 860-434-1759

Technical Contact

Bureau Veritas CPS(H.K.) Ltd.Ken Liu

[email protected]886-3-318-3232

No.19, Hwa Ya 2nd Rd., Wen Hwa Vil. · Taiwan

Non-Technical Contact

Bureau Veritas CPS(H.K.) Ltd.Yoyo Peng

[email protected]886-3-260-0628

Test Firm

Bureau Veritas CPS (H.K.) Ltd., Taoyuan BranchRichard Chen

[email protected]+886-3-260-0884Fax: +886-3-211-5834

Rule Parts

Frequency Range

Power Output

15C

2.40 GHz - 2.48 GHz

18.00 mW