C3K1998Headset

Microsoft Model: 1998 Made in China Microsoft Redmond WA 98052-6399 USA Microsoft Ireland Dublin D18 P521 IRL 5V⎓400mA FCC ID: C3K1998 IC: 3048A-1998 CAN ICES-3 (B)/NMB-3 (B) 頭戴式無線耳機製造號碼: 1998 型號: 1998 額定電壓: 5VDC 額定輸入電流: 400mA 生產地: 中國型号: 1998 额定电压: 5VDC 额定输入电流: 400mA The FCC ID, ISED ID and the Model also been permanent printed on the right ear cap, covered by earmuff. The earmuff could be removed without special tools L'ID FCC, l'ID ISED et le modèle ont également été imprimés de manière permanente sur le capuchon d'oreille droit, recouvert d'un cache-oreilles. Le cache-oreilles peut être retiré sans outils spéciaux I.T.E. 516420 R-C-MSK-1998 商品名稱：Microsoft Modern 頭戴式無線耳機 製造號碼：1998 商品型號：1998 額定電壓：5V廢電池 總額定消耗電功率或額定輸入電流：400mA請回收 生產地：中國 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。 製造商或委製商: Microsoft Corporation 地址: One Microsoft Way, Redmond, WA 98052, USA 進口商及/或報驗義務人: 台灣微軟股份有限公司 地址: 11065台北市忠孝東路五段68號18樓 客服專線: 00801128000 M1177738-001_FLY.indd 1 18/02/2021 06:50 K

2. English US 11. Français FR 21. Español US


  2 CLEANING & USAGE INSTRUCTIONS Always handle your device with care to maintain its appearance. To clean, wipe the outer surface with a soft, lint-free cloth.              WARNING: Read Safety & Health Info Read this guide for important safety and health information and the terms of the Limited Warranty that apply to the Microsoft ® device that you have purchased. Keep all printed guides for future reference. Failure to follow instructions and properly set up, use, and care for this product can increase the risk of serious injury or death, or damage to the device or devices. For an online version of this guide go to: www. /support Warning: Do Not Attempt Repairs Do not attempt to take apart, open, service, or modify the product, accessories, or power supply. Doing so could present the risk of electric shock or other hazard. Any evidence of any attempt to open and/or modify this device, including any peeling, puncturing, or removal of any of the labels, will void the Limited Warranty. Warning: AC Adapter Safety Failure to take the following precautions can result in serious injury or death from electric shock                        • Use only the power supply unit and AC power cord that came with your device or that you received from an authorized Microsoft retailer. • Do not use non-standard power sources, such as generators or inverters, even if the voltage and frequency appear acceptable. Only use AC power provided by a standard wall outlet. • Do not overload your wall outlet, extension cord, power strip, or other electrical receptacle.                  !  "            !               • On devices where the AC prongs may be folded for storage, before plugging the AC adapter into a power outlet, make sure its prongs are fully extended. • On devices where the AC prongs are removable and where the power supply uses a universal adapter, before plugging the AC adapter into a power outlet, make sure the prong assembly is               fully seated into the adapter. Caution: Cable and cord safety Arrange all cables and cords so that people and pets are not likely to trip over or accidentally pull on them as they move around or walk through the area. Do not allow children to play with cables and cor ds. To avoid damaging the power cords and power supply: • Protect the power cords from being walked on. • Protect cords from being pinched or sharply bent, particularly where they connect to the power outlet, the power supply unit, and the device. • Do not jerk, knot, sharply bend, or otherwise abuse the power cords. • Do not expose the power cords to sources of heat. • Keep children and pets away from the power cords. Do not allow them to bite or chew on them. • When disconnecting the power cords, pull on the plug—do not pull on the cord. • If a power cord or power supply becomes damaged in any way, stop using it immediately. • Unplug your device during lightning storms or when unused for long periods of time. • For devices with an AC power cord that connects to the power supply, always connect the power cord according to the following instructions: 1 Plug the AC power cord into the power supply until it seats fully. 2 Plug the other end of the AC power cord into the wall outlet. 3 Warning: Battery Safety Information This device contains a built-in battery, improper use of which may result in explosion. Do not   #  #   #   #        $        direct sunlight for an extended period of time, which could cause melting or battery damage. The battery in this device is not user replaceable and should only be replaced by Microsoft or a Microsoft Authorized Service Provider. See www. /support for additional details. • Do not disassemble or open, crush, bend or deform, puncture or shred • Do not modify or remanufacture, attempt to insert foreign objects into the battery, immerse or %        &# %   # %     ' • (   "          "  &         )      * &     +  0    )444 5678 9   &  "          ;   # %#  ; #     ' • Promptly dispose of used batteries in accordance with local regulations • Avoid dropping the device or battery. If the device or battery is dropped, especially on a hard surface, and the user suspects damage, take it to a service center for inspection. • )  "         # %     ' •      "     )      #    "   90+<)=          90+<)=   Warning: Use Near Water     ;    ;#              %    or moisture. Do not attempt to dry device with a hair dryer or a microwave oven. Warning: Hearing Safety Set the volume loud enough to hear clearly in quiet surroundings, and no louder. Do not increase the volume after you start listening. Your ears can adapt over time so that high volume sounds normal, but the high volume may still damage your hearing. • Do not increase the volume to block out outside noise. The combination of outside noise and sound from your headphones can damage your hearing. Sealed or noise-canceling headphones can reduce outside noise so that you don’t have to turn up the volume. If you can’t understand someone nearby speaking normally, turn down the volume. Sound that drowns out normal speech can damage your hearing. Even with sealed or noise-canceling headphones, you should be able to hear nearby people speak. Minimize Your Time Listening to Loud Sound The more time you spend expo…

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M1177727-001 ©2021 Microsoft. Flip up to mute Retourner pour couper le son Voltear hacia arriba para silenciar Vire para cima para silenciar Open and join Microsoft Teams Ouvrir et rejoindre Microsoft Teams Abre y únete a Microsoft Teams Abra e entre no Microsoft Teams Power Alimentation Encendido/apagado Potência Ligado/Desligado Pair Emparejar Mute Silencio Volume dial Cadran du volume Botón de volumen Botão de volume Muet Mudo Jumeler Emparelhar USB-C charging port Port de chargement USB-C Puerto de carga USB-C Porta de carregamento USB-C Answer call / End call Répondre à l’appel / mettre fin à l’appel Responder llamada / Finalizar llamada Atender/encerrar chamada aka.ms/ModernWirelessHeadset support.microsoft.com MS-Dev Dark Gray GMS-00149 MS-Dev Light Gray GMS-00147 DIELINE REFERENCE ONLY - VERIFY WITH MICROSOFT SPECIFICATION MICROSOFT DIELINE: DESCRIPTION: MATERIAL AND GRADE: REV: DATE: M1177647 QSG CARD 250GSM C2S A 20-JAN-21 PART: QSG CARD MATERIAL: 250GSM C2S OUTSIDE VIEW-PRINT SIDE GRAIN DIRECTION INSIDE VIEW-PRINT SIDE GRAIN DIRECTION CONTENT FREE DIR TXT DIR TXT

Microsoft Corporation is an equal opportunity employer. March 23 th 2021 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, Maryland 21046 Subject: Confidentiality request regarding application for certification of FCC ID: C3K1998 TO WHOM IT MAY CONCERN Pursuant to Sections 0.457(d) and 0.459 of the Commission’s Rules, the Applicant hereby requests confidential treatment of information accompanying this Application as outlined below: • 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 matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Rule 0.457(d), disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Compliance Engineer, Albert Huang MICROSOFT CORPORATION TEL: 86 755 86118676 E-mail: [email protected]

Microsoft Corporation is an equal opportunity employer. March 22 th 2021 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, Maryland 21046 Subject: Short-term confidentiality request regarding application for Certification of FCC ID: C3K1998 TO WHOM IT MAY CONCERN Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we request short-term confidential treatment for the following information 180days after the Grant Date of Equipment Authorization in order to ensure sensitive business information remains confidential until the actual marketing of the device: • External Photos • Test Setup Photos • User’s Manual • Internal Photos Sincerely, Name: Albert Huang MICROSOFT CORPORATION Microsoft Corporation is an equal opportunity employer. TEL: 86 755 86118676 E-mail: [email protected]

MICROSOFT CORPORATION ONE MICROSOFT WAY REDMOND, WA 98052-6399, U.S.A TEL: 425-882-8080 FAX: 425 706 7329 Date: 2021-03-25 FCC ID: C3K1998 A U T H O R I Z A T I O N L E T T E R To Whom It May Concern: MICROSOFT CORPORATION hereby authorizes Andrea Hsia / Supervisor of Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch (“BV CPS Taoyuan”), to act on its behalf in all matters relating to the Federal Communication Commission (“FCC”) application for equipment authorization in connection with the FCC ID listed above, including signing of all documents relating to these matters. Any and all acts carried out by Andrea Hsia / Supervisor of BV CPS Taoyuan on MICROSOFT CORPORATION’s behalf, within the scope of the powers granted herein, shall have the same effect as acts of its own. If you have any questions regarding the authorization, please don’t hesitate to contact us. Sincerely yours, ----------------------------------------------- Albert Huang, Compliance Engineer MICROSOFT CORPORATION Tel: 86 755 86118676 E-mail: [email protected]

Microsoft Corporation is an equal opportunity employer. Subject: Authorized signatories February 26, 2019 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, Maryland 21046 AGENCY AUTHORIZATION LETTER FOR MICROSOFT EMPLOYEES To whom it may concern, I, the undersigned hereby authorize the following, to act on my behalf, as the agent(s), in all matters relating to all processes for FCC equipment authorization for Microsoft® Corporation (Grantee Code: C3K). Hasnain Syed Anindita Mitra David Johnson Michael Boucher Kyle Chen Chaitrali Limaye Wei Sun Zachary Gray Daniel Salinas Vishwas Varadanahalli Narayan Albert Huang Mengni Yin Choon Sian Ooi Nisha Nandakumar If you have any questions regarding the authorization, please don’t hesitate to contact me. Sincerely, Hasnain Syed Sr. Director, EMC/SI & RF Compliance Microsoft Corporation Email: [email protected]

Reference No.: BIED-WTW-P21020590_ExtPho Page 1 / 4 CONSTRUCTION PHOTOS OF EUT Reference No.: BIED-WTW-P21020590_ExtPho Page 2 / 4 Reference No.: BIED-WTW-P21020590_ExtPho Page 3 / 4 Reference No.: BIED-WTW-P21020590_ExtPho Page 4 / 4

Reference No.: BIED-WTW-P21020590_IntPho Page 1 / 14 CONSTRUCTION PHOTOS OF EUT Reference No.: BIED-WTW-P21020590_IntPho Page 2 / 14 Reference No.: BIED-WTW-P21020590_IntPho Page 3 / 14 Reference No.: BIED-WTW-P21020590_IntPho Page 4 / 14 Reference No.: BIED-WTW-P21020590_IntPho Page 5 / 14 Reference No.: BIED-WTW-P21020590_IntPho Page 6 / 14 Reference No.: BIED-WTW-P21020590_IntPho Page 7 / 14 Reference No.: BIED-WTW-P21020590_IntPho Page 8 / 14 Reference No.: BIED-WTW-P21020590_IntPho Page 9 / 14 Reference No.: BIED-WTW-P21020590_IntPho Page 10 / 14 Reference No.: BIED-WTW-P21020590_IntPho Page 11 / 14 Reference No.: BIED-WTW-P21020590_IntPho Page 12 / 14 Reference No.: BIED-WTW-P21020590_IntPho Page 13 / 14 Reference No.: BIED-WTW-P21020590_IntPho Page 14 / 14

FCC SAR Exclusion Report Report Format Version 5.0.0 Page No. : 1 of 7 Report No. : SFBIED-WTW-P21020590 R1 Issued Date : Mar. 30, 2021 Cancels and replaces the report no. : SFBIED-WTW-P21020590 dated on Mar. 24, 2021 FCC SAR Exclusion Report Report No. : SFBIED-WTW-P21020590 R1 Applicant : MICROSOFT CORPORATION Address : ONE MICROSOFT WAY REDMOND, WA 98052-6399, U.S.A Product : Headset Brand : Microsoft FCC ID : C3K1998 Model No. : 1998 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 : Feb. 17, 2021 Date of Evaluation : Mar. 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 7 Report No. : SFBIED-WTW-P21020590 R1 Issued Date : Mar. 30, 2021 Cancels and replaces the report no. : SFBIED-WTW-P21020590 dated on Mar. 24, 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 3.2 SAR Testing Exclusions ............................................................................................................................................... 6 4. Information on the Testing Laboratories ............................................................................................................................. 7 Appendix A. Photographs of EUT and Setup FCC SAR Exclusion Report Report Format Version 5.0.0 Page No. : 3 of 7 Report No. : SFBIED-WTW-P21020590 R1 Issued Date : Mar. 30, 2021 Cancels and replaces the report no. : SFBIED-WTW-P21020590 dated on Mar. 24, 2021 Release Control Record Issue No. Reason for Change Date Issued SFBIED-WTW-P21020590 Initial release Mar. 24, 2021 SFBIED-WTW-P21020590 R1 Update address Mar. 30, 2021 FCC SAR Exclusion Report Report Format Version 5.0.0 Page No. : 4 of 7 Report No. : SFBIED-WTW-P21020590 R1 Issued Date : Mar. 30, 2021 Cancels and replaces the report no. : SFBIED-WTW-P21020590 dated on Mar. 24, 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 7 Report No. : SFBIED-WTW-P21020590 R1 Issued Date : Mar. 30, 2021 Cancels and replaces the report no. : SFBIED-WTW-P21020590 dated on Mar. 24, 2021 2. Description of Equipment Under Test EUT Type Headset Brand Name Microsoft FCC ID C3K1998 Model Name 1998 Tx Frequency Bands (Unit: MHz) Bluetooth : 2402 ~ 2480 Uplink Modulations Bluetooth : GFSK Maximum Tune-up Conducted Power (Unit: dBm) Please refer to section 3.1 of this report Antenna Type Chip Antenna EUT Stage Engineering Sample Note: 1. The above EUT information is declared by manufacturer and for more detailed features description please refers to the manufacturer's specifications or User's Manual. FCC SAR Exclusion Report Report Format Version 5.…

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Report No.: RFBIED-WTW-P21020590-1 Page No. 1 / 47 Report Format Version: 6.1.1 FCC Test Report (BT LE) Report No.: RFBIED-WTW-P21020590-1 FCC ID: C3K1998 Test Model: 1998 Received Date: Feb. 17, 2021 Test Date: Mar. 10 to 15, 2021 Issued Date: Mar. 19, 2021 Applicant: MICROSOFT CORPORATION Address: ONE MICROSOFT WAY REDMOND, WA 98052-6399 USA 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 FCC Registration / Designation Number: 198487 / TW2021 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.: RFBIED-WTW-P21020590-1 Page No. 2 / 47 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 ............................................................. 13 4 Test Types and Results ...................................................................................................................... 14 4.1 Radiated Emission and Bandedge Measurement ............................................................................. 14 4.1.1 Limits of Radiated Emission and Bandedge Measurement .............................................................. 14 4.1.2 Test Instruments ................................................................................................................................ 15 4.1.3 Test Procedures ................................................................................................................................. 16 4.1.4 Deviation from Test Standard ............................................................................................................ 16 4.1.5 Test Setup .......................................................................................................................................... 17 4.1.6 EUT Operating Conditions ................................................................................................................. 18 4.1.7 Test Results ....................................................................................................................................... 19 4.2 Conducted Emission Measurement .................................................................................................. 29 4.2.1 Limits of Conducted Emission Measurement .................................................................................... 29 4.2.2 Test Instruments ................................................................................................................................ 29 4.2.3 Test Procedures ................................................................................................................................. 30 4.2.4 Deviation from Test Standard ............................................................................................................ 30 4.2.5 Test Setup ....................................................................................…

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Reference No.: ICBIED-WTW-P21020590 Page No. 1 / 4 PHOTOGRAPHS OF THE TEST CONFIGURATION CONDUCTED EMISSION TEST-Mode A Reference No.: ICBIED-WTW-P21020590 Page No. 2 / 4 CONDUCTED EMISSION TEST-Mode B Reference No.: ICBIED-WTW-P21020590 Page No. 3 / 4 RADIATED EMISSION TEST <Frequency Range below 1GHz> Reference No.: ICBIED-WTW-P21020590 Page No. 4 / 4 RADIATED EMISSION TEST <Frequency Range above 1GHz>

FCC SAR Exclusion Report Report Format Version 5.0.0 Issued Date : Mar. 30, 2021 Report No. : SFBIED-WTW-P21020590 R1 Cancels and replaces the report no. : SFBIED-WTW-P21020590 dated on Mar. 24, 2021 Appendix A. Photographs of EUT and Setup FCC SAR Exclusion Report Report Format Version 5.0.0 Report No. : SFBIED-WTW-P21020590 R1 Cancels and replaces the report no. : SFBIED-WTW-P21020590 dated on Mar. 24, 2021 <Photographs of EUT> <Antenna Location> The separation distance for antenna to edge: A B C D E Distance (mm) 37.13 47.01 37.13 47.01 21.4