2A3ULMTW4MOMENTUM True Wireless 4 (MTW4)

Paper grammage: 100 gsmGuide delivery: Folded Print colours: 4 C (CMYK)Paper quality: woodfree Open size: 75 x 285 mmClose size: 75 x 95 mm Release date: 06. Sep 2023; PMP Print specs: 1. 30s 3. L L M M S S XS LR RightLeft MOMENTUM TW 4 4. 2. “Sennheiser Smart Control” Activate | Aktivieren | 激活 Wear | Tragen | 佩戴 Connect | Verbinden | 连接 Download | Herunterladen | 下载 MOMENTUM True Wireless 4 Welcome | Willkommen | 欢迎 QG_MTW4_596691_0923_PMP.indd 1QG_MTW4_596691_0923_PMP.indd 108.09.2023 12:11:1808.09.2023 12:11:18 Siri, Google, ... Touch control | Touch-Bedienfläche | 触摸控制 Support | Produktbetreuung | 产品支持 Sonova Consumer Hearing GmbH, Am Labor 1, 30900 Wedemark, Germany www.sennheiser-hearing.com, Publ. 09/23, 596691/PMP Model: MTW4, MTW4 R, MTW4 L, MTW4 C www.sennheiser-hearing.com/mtw4-qg Online Quick Guide ENDEFRESPTNLITDASV FIELPLTRRUJAZH-HANS ZH-HANTKOIDETLVLTCS SKHUROBGSLHR 3s L R “Pairing“ Other devices | Weitere Geräte | 其他设备 Phone calls | Telefonanrufe | 来电 7. 6. 5. R Transparency ANC L L R/L QG_MTW4_596691_0923_PMP.indd 2QG_MTW4_596691_0923_PMP.indd 208.09.2023 12:11:1808.09.2023 12:11:18

Compliance Information Model: MTW4 Country/Region Right earbud Model: MTW4 R Left earbud Model: MTW4 L Charging case Model: MTW4 C USA FCC ID: 2A3ULMTW4 – Canada CAN ICES3(B)/NMB3(B) IC: 28115-MTW4– Europe United Kingdom Australia/ New Zealand South Korea ◭ẽ◊ MTW4, MTW4 R, MTW4 L Ⰶ䅽◊Sonova Consumer Hearing GmbH ᥵㋕㋱◊㦲♹ⱥẵ㊹㱵㳺⸥⸡ⷩ㲡㇮♹ⱥ᥵᥵ 9点㎵㋕Sonova Consumer Hearing GmbH 9点㎵ᢲ Ἂ2月 R-R-S4s-MTW4 Battery: XU100883-20013A or xxxxxxxxxxx Greater China 15 CMIIT ID: 2023DJ14478 – 說明書(合規表)及彩盒含NCC型式認證碼, 需永久保存 – xxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxx 取得審驗證明之低功率射頻器材，非經核准，公司、商號或使用者均不得擅自變更頻率、加大功率或變更原設計之特性及功能。 低功率 射頻器材之使用不得影響飛航安全及干擾合法通信；經發現有干擾現象時，應立即停用，並改善至無干擾時方得繼續使用。前述合法 通信，指依電信管理法規定作業之無線電通信。低功率射頻器材須忍受合法通信或工業、科學及醫療用電波輻射性電機設備之干擾。 Japan R 201-230582 – Singapore Complies with IMDA Standards DB107630 – Vietnam Kể từ ngày 1 tháng 12 năm 2012, các sản phẩm được sản xuất bởi Sonova Consumer Hearing GmbH tuân thủ Thông tư 30/2011/TT-BCT quy định về giới hạn cho phép đối với một số chất độc hại trong các sản phẩm điện và điện tử. Thailand เครื่องวิทยุคมนาคมนี้ ได้รับยกเว้น ไม่ต้องได้รับใบอนุญาตให้มี ใช้ซึ่งเครื่องวิทยุคมนาคม หรือตั้ง สถานีวิทยุคมนาคมตามประกาศ กสทช. เรื่อง เครื่องวิทยุคมนาคม และสถานีวิทยุคมนาคมที่ได้รับ ยกเว้นไม่ต้องได้รับใบอนุญาตวิทยุคมนาคม ตามพระราชบัญญัติวิทยุคมนาคม พ.ศ. 2498 Russia Frequency band:2400 – 2483.5 MHz Transmit power: 10 mW (max) Paper grammage: 70 gsmGuide delivery: Folded Print colours: K (1C)Paper quality: woodfree Open size: 150 x 190 mmClose size: 75 x 95 mm Release date: 11. Sep 2023 PMP Print specs: MTW4_CS_596695_0x23_PP2_DRAFT.indd 1MTW4_CS_596695_0x23_PP2_DRAFT.indd 111.09.2023 09:32:1911.09.2023 09:32:19 Sonova Consumer Hearing GmbH Am Labor 1, 30900 Wedemark, Germany Publ. 09/23, 596695/PMP www .sennheiser-hearing.com China RoHS 15 部件名称 (Part Name) 有害物质 铅 (Pb) 汞 (Hg) 镉 (Cd) 六价铬 (CrVI) 多溴联苯 (PBB) 多溴二苯醚 (PBDE) 电路模块 (Circuit Modules) xooooo 本表格依据 SJ/T 11364 的规定编制。 o：表示该有害物质在该部件所有均质材料中的含量均在GB/T 26572规定的限量要求以下。 x：表示该有害物质至少在该部件的某一均质材料中的含量超出GB/T 26572规定的限量要求 。 This device complies with Part 15 of the FCC rules, RSS-247 of Innovation, Science and Economic Development Canada (ISED). Operation is subject to the following two conditions: 1) This device may not cause harmful interfer- ence, and 2) This device must accept any interference received, including int erference 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 radiat e radio frequency energy and, if not installed and used in accor- dance with the instructions, may cause harmful interference to radio commu- nications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful int erference to radio or television reception, which can be determined by turning the equip- ment off and on, the user is encouraged to try to correct the interference by one or mor e of the following measures: • R eorient or relocate the receiving antenna. • Incr ease the separation between the equipment and receiver. • Connect the equipment int o an outlet on a circuit different from that t o which the r eceiver is connected. • Consult the dealer or an e xperienced radio/TV technician for help. Changes or modifications made to this equipment not expressly approv ed b y the manufacturer 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 respec- ter 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 fonctionnement. CAN ICES3(B)/NMB3(B) RF Radiation Exposure Information The product complies with the rules of FCC and ISED (RSS-102) for the porta- ble RF exposure limit set forth for an uncontrolled environment and is safe for int ended 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 exposure reduction can be achieved if the product can be kept as far as possible from the user body or set the device to lower 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 manufacturer may not ensure the compliance. Informations sur l’exposition 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 pour un environnement non 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’ex - position 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. Statements regarding FCC and ISED MTW4, MTW4 R, MTW4 L, MTW4 C SENNHEISER Model No: FCC Supplier's Declaration of Conformity (SDoC) We, Sonova Consumer Hearing USA LLC declare the above device comply with the requirements of Federal Communications Commission. This …

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Sonova Consumer Hearing GmbH Am Labor 1 30900 Wedemark, Germany T +49 5130 9490 0 Sitz 30900 Wedemark, Amtsgericht Hannover HRB 221905 SENNHEISER is a brand licensed by Sonova October 18, 2023 Sonova Consumer Hearing GmbH Am Labor 1, 30900 Wedemark, Germany Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Attestation Statement according to 2.911(d)(5)(i) and 2.911(d)(5)(ii) FCC ID:2A3ULMTW4 TO WHOM IT MAY CONCERN: Hereby we confirm that the equipment for which authorization is sought, does not fall under “Prohibition on authorization of equipment on the Covered List”, pursuant to section 2.903 of the FCC rules. Further we clarify that, as of the date of the filing of the application, Sonova Consumer Hearing GmbH is not identified in the Covered List as an entity producing covered communications equipment. For and on behalf of Sonova Consumer Hearing GmbH. Sincerely, -------------------------------------- Anitha Shankari N.S Head of Regulatory Compliance Tel: +65-69797404 [email protected]

Sonova Consumer Hearing GmbH Am Labor 1 30900 Wedemark, Germany T +49 5130 9490 0 Sitz 30900 Wedemark, Amtsgericht Hannover HRB 221905 SENNHEISER is a brand licensed by Sonova Confidentiality Request Date: October 18, 2023 Model No.: MTW4 FCC ID: 2A3ULMTW4 Attention To: Federal Communicati ons 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 Appli cant 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 appli- cation. For and on behalf of Sonova Consumer Hearing GmbH. Sincerely, ________________________ Anitha Shankari N.S Head of Regulatory Compliance Tel: +65-69797404 [email protected] [email protected]

Sonova Consumer Hearing GmbH Am Labor 1 30900 Wedemark, Germany T +49 5130 9490 0 Sitz 30900 Wedemark, Amtsgericht Hannover HRB 221905 SENNHEISER is a brand licensed by Sonova Short-Term Confidentiality Request Date: October 18, 2023 Model No.: MTW4 FCC ID: 2A3ULMTW4 Attention To: Federal Communicati ons 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 request short term confidentiality for the fol- lowing 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 re- mains confidential until the actual marketing of our new device, which is planned for 9 th Janu- ary 2024. If you have any questions, please feel free to contact the undersigned. For and on behalf of Sonova Consumer Hearing GmbH. Sincerely, ________________________ Anitha Shankari N.S Head of Regulatory Compliance Tel: +65-69797404 [email protected] [email protected]

Sonova Consumer Hearing GmbH Am Labor 1 30900 Wedemark, Germany T +49 5130 9490 0 Sitz 30900 Wedemark, Amtsgericht Hannover HRB 221905 SENNHEISER is a brand licensed by Sonova Agency Authorization Letter Date: October 18, 2023 FCC ID: 2A3ULMTW4 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.: MTW4 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 re- garding the authorization, please don’t hesitate to contact us. For and on behalf of Sonova Consumer Hearing GmbH. Sincerely, ________________________ Anitha Shankari N.S Head of Regulatory Compliance Tel: +65-69797404 [email protected] [email protected]

Reference No.: CFQC-WTW-P23080377 _EXT Page No. 1/ 43 CONSTRUCTION PHOTOS OF EUT MOMENTUM True Wireless 4 (MTW4) Brand Name: SENNHEISER / Model No.: MTW4 < Color: Black Graphite > Reference No.: CFQC-WTW-P23080377 _EXT Page No. 2/ 43 Charging Case (Brand Name: SENNHEISER / Model No.: MTW4 C) Reference No.: CFQC-WTW-P23080377 _EXT Page No. 3/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 4/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 5/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 6/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 7/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 8/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 9/ 43 Right Earbud (Brand Name: SENNHEISER / Model No.: MTW4 R) Reference No.: CFQC-WTW-P23080377 _EXT Page No. 10/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 11/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 12/ 43 Left Earbud (Brand Name: SENNHEISER / Model No.: MTW4 L) Reference No.: CFQC-WTW-P23080377 _EXT Page No. 13/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 14/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 15/ 43 MOMENTUM True Wireless 4 (MTW4) Brand Name: SENNHEISER / Model No.: MTW4 < Color: White Sliver > Reference No.: CFQC-WTW-P23080377 _EXT Page No. 16/ 43 Charging Case (Brand Name: SENNHEISER / Model No.: MTW4 C) Reference No.: CFQC-WTW-P23080377 _EXT Page No. 17/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 18/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 19/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 20/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 21/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 22/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 23/ 43 Right Earbud (Brand Name: SENNHEISER / Model No.: MTW4 R) Reference No.: CFQC-WTW-P23080377 _EXT Page No. 24/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 25/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 26/ 43 Left Earbud (Brand Name: SENNHEISER / Model No.: MTW4 L) Reference No.: CFQC-WTW-P23080377 _EXT Page No. 27/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 28/ 43

Reference No.: CFQC-WTW-P23080377 _EXT Page No. 29/ 43 MOMENTUM True Wireless 4 (MTW4) Brand Name: SENNHEISER / Model No.: MTW4 < Color: Black Copper > Reference No.: CFQC-WTW-P23080377 _EXT Page No. 30/ 43 Charging Case (Brand Name: SENNHEISER / Model No.: MTW4 C) Reference No.: CFQC-WTW-P23080377 _EXT Page No. 31/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 32/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 33/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 34/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 35/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 36/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 37/ 43 Right Earbud (Brand Name: SENNHEISER / Model No.: MTW4 R) Reference No.: CFQC-WTW-P23080377 _EXT Page No. 38/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 39/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 40/ 43 Left Earbud (Brand Name: SENNHEISER / Model No.: MTW4 L) Reference No.: CFQC-WTW-P23080377 _EXT Page No. 41/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 42/ 43 Reference No.: CFQC-WTW-P23080377 _EXT Page No. 43/ 43 USB Cable (Brand Name: SENNHEISER / Model No.: 590675)

Label and location: Compliance sheet information: Bottom view of package:

Reference No.: CFQC-WTW-P23080377 _INT Page No. 1/ 27 CONSTRUCTION PHOTOS OF EUT MOMENTUM True Wireless 4 (MTW4) Brand Name: SENNHEISER / Model No.: MTW4 < Color: Black Graphite > Charging Case (Brand Name: SENNHEISER / Model No.: MTW4 C) Reference No.: CFQC-WTW-P23080377 _INT Page No. 2/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 3/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 4/ 27 Coil Antenna (WPC) Reference No.: CFQC-WTW-P23080377 _INT Page No. 5/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 6/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 7/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 8/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 9/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 10/ 27 Right Earbud (Brand Name: SENNHEISER / Model No.: MTW4 R) Monopole antenna Reference No.: CFQC-WTW-P23080377 _INT Page No. 11/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 12/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 13/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 14/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 15/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 16/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 17/ 27

Reference No.: CFQC-WTW-P23080377 _INT Page No. 18/ 27 Left Earbud (Brand Name: SENNHEISER / Model No.: MTW4 L) Monopole antenna Reference No.: CFQC-WTW-P23080377 _INT Page No. 19/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 20/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 21/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 22/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 23/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 24/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 25/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 26/ 27 Reference No.: CFQC-WTW-P23080377 _INT Page No. 27/ 27

SAR Exclusion Report Report Format Version 6.0.0 Page No. : 1 of 13 Report No. : SFCFQC-WTW-P23080377 Issued Date : Oct. 24, 2024 SAR Exclusion Report Report No. : SFCFQC-WTW-P23080377 Applicant : Sonova Consumer Hearing GmbH Address : Am Labor 1, 30900 Wedemark, Germany Product Name : MOMENTUM True Wireless 4 (MTW4) Brand Name : SENNHEISER FCC ID : 2A3ULMTW4 Model No. : MTW4 (refer to item 2 note for more details) FCC Rule Part : CFR §2.1093 Standards : IEEE Std 1528:2013, KDB 865664 D01 v01r04, KDB 865664 D02 v01r02, KDB 447498 D04 Interim General RF Exposure Guidance v01 Sample Received Date : Aug. 15, 2023 Date of Evaluation : Sep. 28, 2023 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 FCC Accredited No. : TW0003 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 : Gina Liu / Specialist Approved By : Gordon Lin / Manager This report is governed by, and incorporates by reference, the Conditions of Testing as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our-business/cps/about-us/terms-conditions/ and is intended 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. Measurement uncertainty is only provided upon request for accredited tests. Statements of conformity are based on simple acceptance criteria without taking measurement uncertainty into account, unless otherwise requested in writing. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; 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. SAR Exclusion Report Report Format Version 6.0.0 Page No. : 2 of 13 Report No. : SFCFQC-WTW-P23080377 Issued Date : Oct. 24, 2024 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 3.2 Time-Avg. Power calculation. ....................................................................................................................................... 7 3.3 SAR Testing Exclusions ............................................................................................................................................. 11 4. Construction Photos of EUT ............................................................................................................................................... 12 5. Information on the Testing Laboratories ........................................................................................................................... 13 SAR Exclusion Report Report Format Version 6.0.0 Page No. : 3 of 13 Report No. : SFCFQC-WTW-P23080377 Issued Date : Oct. 24, 2024 Release Control Record Issue No. Reason for Change Date Issued SFCFQC-WTW-P23080377 Initial release Oct. 24, 2024 SAR Exclusion Report Report Format Version 6.0.0 Page No. : 4 of 13 Report No. : SFCFQC-WTW-P23080377 Issued Date : Oct. 24, 2024 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. Test Reference Guidance: FCC-19-126 SAR Exclusion Report Report Format Version 6.0.0 Page No. : 5 of 13 Report No. : SFCFQC-WTW-P23080377 Issued Date : Oct. 24, 2024 2. Description of Equipment Under Test Test item Description True Wireless Earphones Product Name MOMENTUM True WIRELESS 4 (MTW4) Brand Name SENNHEISER FCC ID 2A3ULMTW4 Model No. MTW4 (refer to item 2 note for more details) Sample Status Engineering Sample Power Rat…

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Report No.: RFCFQC-WTW-P23080377 Page No. 1 / 73Report Format Version: 7.1.0 TEST REPORT CERTIFICATE OF CONFORMITY Standard: 47 CFR FCC Part 15, Subpart C (Section 15.247) Report No.: RFCFQC-WTW-P23080377 FCC ID: 2A3ULMTW4 Product Name: MOMENTUM True Wireless 4 (MTW4) Brand Name: SENNHEISER Model No.: MTW4 (refer to item 3.1 for more details) Received Date: 2023/8/15 Test Date: 2023/9/19 ~ 2023/9/25 Issued Date: 2023/10/23 Applicant: Sonova Consumer Hearing GmbH Address: Am Labor 1, 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: No. 19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kewi Shan Dist., Taoyuan City 33383, Taiwan FCC Registration / Desi gnation Number: 788550 / TW0003 Approved by: , Date:2023/10/23 Jeremy Lin / Project Engineer This test report consists of 73 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The test results in the report only apply to the tested sample. The test results in this report are traceable to the national or international standards. Prepared by : Polly Chien / Specialist This report is governed by, and incorporates by reference, the Conditions of Testing as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our- business/cps/about-us/terms-conditions/ and is intended 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. Measurement uncertainty is only provided upon request for accredited tests. Statements of conformity are based on simple acceptance criteria without taking measurement uncertainty into account, unless otherwise requested in writing. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; 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. Report No.: RFCFQC-WTW-P23080377 Page No. 2 / 73Report Format Version: 7.1.0 Table of Contents Release Control Record ....................................................................................................................................................... 4 1 Certificate .................................................................................................................................................................... 5 2 Summary of Test Results .......................................................................................................................................... 6 2.1 Measurement Uncertainty ........................................................................................................................................ 6 2.2 Supplementary Information ...................................................................................................................................... 6 3 General Information ................................................................................................................................................... 7 3.1 General Description of EUT ..................................................................................................................................... 7 3.2 Antenna Description of EUT ..................................................................................................................................... 8 3.3 Channel List .............................................................................................................................................................. 9 3.4 Test Mode Applicability and Tested Channel Detail ................................................................................................ 10 3.5 Duty Cycle of Test Signal........................................................................................................................................ 11 3.6 Test Program Used and Operation Descriptions .................................................................................................... 13 3.7 Connection Diagram of EUT and Peripheral Devices ............................................................................................ 13 3.8 Configuration of Peripheral Devices and Cable Connections ................................................................................ 13 4 Test Instruments ...................................................................................................................................................... 14 4.1 RF Output Power .................................................................................................................................................... 14 4.2 Number of Hopping Frequency Used ..................................................................................................................... 14 4.3 Dwell Time on Each Channel .......................................................................................................................…

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Reference No.: CFQC-WTW-P23080377 _TSup Page No. 1/ 8 PHOTOGRAPHS OF THE TEST CONFIGURATION Conducted Emission Test Mode C Reference No.: CFQC-WTW-P23080377 _TSup Page No. 2/ 8 Mode D Reference No.: CFQC-WTW-P23080377 _TSup Page No. 3/ 8 Radiated Emission Test (Below 1GHz) Mode A Reference No.: CFQC-WTW-P23080377 _TSup Page No. 4/ 8 Mode B Reference No.: CFQC-WTW-P23080377 _TSup Page No. 5/ 8 Mode C Reference No.: CFQC-WTW-P23080377 _TSup Page No. 6/ 8 Mode D Reference No.: CFQC-WTW-P23080377 _TSup Page No. 7/ 8 Radiated Emission Test (Above 1GHz) Mode A Reference No.: CFQC-WTW-P23080377 _TSup Page No. 8/ 8 Mode B