OSDMMX230WLWireless ANC Gaming Headset

Safety | Compliance | Warranty MMX 230 WIRELESS WIRELESS ANC GAMING HEADSET PLROHUSKCS JAKO beyerdynamic GmbH & Co. KG Theresienstraße 8 74072 Heilbronn Germany www.beyerdynamic.com 3 MMX 230 wireless EN SAFETY INSTRUCTIONS � Please read these safety instructions carefully and completely before using the MMX 230 wireless. � Please observe all instructions given, especially those concerning the safe use of the MMX 230 wireless. � Please also observe the detailed operating instructions for the MMX 230 wireless. You can download the instructions from the beyerdynamic website at www.beyerdynamic.com/p/mmx-230- wireless � Do not use the MMX 230 wireless if it is defective. Intended use � Only use the MMX 230 wireless as described in this product manual. The company beyerdynamic GmbH & Co. KG accepts no liability for damage to the MMX 230 wireless or injury to persons caused by careless, improper or incorrect use of the MMX 230 wireless, or by use for purposes not specified by the manufacturer. � beyerdynamic is not liable for damage to USB devices that do not comply with the USB specifications. � beyerdynamic is not liable for damage resulting from connection interruptions due to batteries being empty or too old, or due to exceeding the Bluetooth® transmission range. � Please also observe the relevant country- specific regulations before using the MMX 230 wireless. Adjusting the volume High volumes and long listening can permanently damage your hearing. � Before putting on the MMX 230 wireless, set the volume to minimum. Only increase the volume afterwards. � When listening and speaking normally with the MMX 230 wireless, your voice should still be perceptible. � In case of tinnitus, decrease the volume. If necessary, consult a doctor. � Excessively high volumes and long listening times may cause hearing damage. � As a rule of thumb, the higher the volume, the shorter the listening time. Damage from liquids Liquid penetration can damage the MMX 230 wireless. � Make sure that no liquids penetrate the MMX 230 wireless (e.g. when cleaning). � Do not use solvent-based or aggressive cleaning agents. Risk of swallowing � Keep small parts, such as packaging and accessories, away from children and pets. They constitute a choking hazard if swallowed! Using the batteries Danger from heat, water and mechanical stress Excessive heat, water and mechanical stress may cause explosion, heat, fire, smoke or fumes. Injuries and irreversible damage to the battery may result. � Do not expose the battery to excessive heat, fire or extremely low air pressure. There is a risk of explosion, fire, smoke or gas. � Do not subject the battery to mechanical stress (e.g. crushing). � Do not open the housing or remove the battery. � Only use a USB 2.0/3.0 standard-compliant 5 V power supply to charge the battery via the integrated USB Type-C port. Storing the battery � If the battery is not going to be used for an extended period, set the charge level to approximately 50 % of the maximum capacity and store it at temperatures up to max. 30 °C. Charging � Disconnect the USB connecting cable from the charging unit once the device is fully charged. Environmental conditions � Do not expose the product to rain, snow, liquids or moisture. 4 MMX 230 wireless DISPOSAL This symbol on the product, in the operating instructions or on the packaging means that electrical and electronic devices must be disposed of separately from household waste at the end of their life cycle. � Always dispose of used equipment in accordance with applicable regulations. For sale within the EU only: � For the return of old equipment, batteries and rechargeable batteries, there are free collection points or a free return to beyerdynamic, as well as other acceptance points for reuse. The addresses are available at the local city or municipal administration. � Dealers for electronic equipment are generally obliged to take back waste electrical/electronic equipment free of charge. Disposal of batteries � Dispose of batteries separately after use from the product in accordance with applicable regulations. They must not be disposed of in household waste. The return is free of charge for consumers/end users. � Before disposal, discharge the battery. CAUTION: For this product a non-destructive removal of the battery by the end user is not possible. Please contact beyerdynamic or consult independent professional staff. The properly removed battery must be disposed of in a container intended for this purpose with tape put on the terminals; do not dispose of it with household waste or municipal waste. � You will find instructions for changing the battery at the end of this compliance booklet. CONFORMITY AND GUARANTEE EU Declaration of conformity beyerdynamic hereby declares that this radio transmission device complies with the EU Directive 2014/53/EU and the EU Directive 2011/65/EU. � The full text of the EU declaration of conformity can be found on the Internet at: www.beyerdynamic.com/cod Warranty conditions beyerdynamic provides a limited guarantee for the original beyerdynamic product you have purchased. � You can find detailed information about beyerdynamic’s warranty conditions on the Internet at www.beyerdynamic.com/service/warranty PRODUCT REGISTRATION You can register your MMX 230 wireless online at www.beyerdynamic.com/p/mmx-230- wireless by entering the serial number. TECHNICAL SPECIFICATIONS MMX 230 wireless Headset Bluetooth® frequency range 2,402 – 2,480 MHz Transmitting power≤ 11 dBm Operating temperature range -10 to +50 °C Charging temperature range 0 to +45 °C Battery type: lithium- ion battery 3.7 Vdc, 650 mAh Battery weight12 g MMX 230 wireless Low Latency Dongle Bluetooth® frequency range 2,402 – 2,480 MHz Transmitting power≤ 11 dBm Operating temperature range -10 to +50 °C You can find more detailed information about the technical specifications online at: www.beyerdynamic.com/p/mmx-230-wireless 5 MMX 230 wireless Information on the battery use…

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MMX 230 WIRELESS WIRELESS ANC GAMING HEADSET INCLUDING LOW LATENCY DONGLE Quick Start Guide | Kurzanleitung 使用说明精简版 | Instrucciones breves Skrócona instrukcja obsługi | 요약 설명서 KO PL ES MAN_MMX230wireless-QSG_EN-DE-ZH-ES-PL-KO_A2.indd 1MAN_MMX230wireless-QSG_EN-DE-ZH-ES-PL-KO_A2.indd 104.11.2025 15:59:0604.11.2025 15:59:06 MAN_MMX230wireless-QSG_EN-DE-ZH-ES-PL-KO_A2.indd 2MAN_MMX230wireless-QSG_EN-DE-ZH-ES-PL-KO_A2.indd 204.11.2025 15:59:0604.11.2025 15:59:06 3 CONTENTS | INHALT | 目录 | CONTENIDO |SPIS TREŚCI | 목차 BOX CONTENTS | LIEFERUMFANG | 随机清单 4 CONTENIDO DE LA CAJA | ZAKRES DOSTAWY | 제공 범위 5 APP | APP | 应用 6 APP | APLIKACJA | 앱 7 CONTROLS | BEDIENELEMENTE | 操作元件 8 ELEMENTOS DE MANDO | ELEMENTY OBSŁUGI | 리모컨 구성 9 ON/OFF | EIN/AUS | 开/关 10 ENCENDIDO/APAGADO | WŁĄCZANIE/WYŁĄCZANIE | 켜기/끄기 11 PAIRING | KOPPELN | 配对 12 ACOPLAMIENTO | PAROWANIE | 페어링 13 ANC MODE | ANC-MODUS | ANC 模式 14 MODO ANC | TRYB ANC | ANC 모드 15 SIDETONE | SIDETONE | 侧音 16 SONIDO LOCAL | FUNKCJA SIDETONE | 사이드톤 17 ASSISTANT | ASSISTENT | 助手 18 ASISTENTE | ASYSTENT | 개인 비서 19 MUSIC CONTROL | MUSIKSTEUERUNG | 音乐控制 20 CONTROL DE LA MÚSICA | ODTWARZANIE MUZYKI | 음악 제어 21 TELEPHONE | TELEFONIEREN | 通话 22 LLAMAR POR TELÉFONO | TELEFONOWANIE | 통화 23 VOLUME | LAUTSTÄRKE | 音量 24 CONTROL DE VOLUMEN | GŁOŚNOŚĆ | 볼륨 25 MICROPHONE ON/OFF | MIKROFON EIN/AUS | 麦克风开/关 26 ACTIVAR/DESACTIVAR EL MICRÓFONO | WŁĄCZANIE/WYŁĄCZANIE MIKROFONU | 마이크 켜기/끄기 27 CHARGING | LADEN | 充电 28 CARGA | ŁADOWANIE | 충전 29 HELP/REGISTRATION | HILFE/REGISTRIERUNG | 帮助/注册 30 AYUDA/REGISTRO | POMOC/REJESTRACJA | 도움말/등록 31 MAN_MMX230wireless-QSG_EN-DE-ZH-ES-PL-KO_A2.indd 3MAN_MMX230wireless-QSG_EN-DE-ZH-ES-PL-KO_A2.indd 304.11.2025 15:59:0604.11.2025 15:59:06 4 BOX CONTENTS | LIEFERUMFANG | 随机清单 � MMX 230 wireless headset � USB-C charging cable � Audio cable (mini jack to USB-C) � Dongle � Adapter USB-C to USB-A � Soft bag � This quick start guide � Compliance booklet � Headset MMX 230 wireless � Ladekabel USB-C � Audiokabel (3,5 mm Klinke auf USB-C) � Dongle � Adapter USB-C auf USB-A � Kordelzugbeutel � Diese Kurzanleitung � Compliance Booklet � 头戴式耳机 MMX 230 wireless � USB-C 充电线 � 音频线（3.5 毫米插头至 USB-C） � 适配器 � USB-A 至 USB-C 适配器 � 抽绳包 � 本简短使用指导 � 合规手册 MAN_MMX230wireless-QSG_EN-DE-ZH-ES-PL-KO_A2.indd 4MAN_MMX230wireless-QSG_EN-DE-ZH-ES-PL-KO_A2.indd 404.11.2025 15:59:0604.11.2025 15:59:06 5 CONTENIDO DE LA CAJA | ZAKRES DOSTAWY | 제공 범위 � Auriculares MMX 230 wireless � Cable de carga USB-C � Cable de audio (conector jack de 3,5 mm a USB-C) � Dongle � Adaptador de USB-C a USB-A � Funda con cordón � Manual de Instrucciones rápido � Folleto de conformidad � Zestaw słuchawkowy MMX 230 wireless � Kabel ładujący USB-C � Kabel audio (wtyczka jack 3,5 mm na USB-C) � Klucz sprzętowy � Adapter USB-C na USB-A � Woreczek ze sznurkiem � Skrócona instrukcja obsługi � Broszura zgodności � MMX 230 wireless 헤드셋 � USB C 충전 케이블 � 오디오 케이블 (3.5mm 잭에서 USB-C) � 동글 � USB-C to USB-A 어댑터 � 파우치 � 요약 설명서 � 소책자 MAN_MMX230wireless-QSG_EN-DE-ZH-ES-PL-KO_A2.indd 5MAN_MMX230wireless-QSG_EN-DE-ZH-ES-PL-KO_A2.indd 504.11.2025 15:59:0604.11.2025 15:59:06 6 APP | APP | 应用 The beyerdynamic App gives you customised control of your MMX 230 wireless � Download the beyerdynamic App from the App Store (for iOS devices) or Google Play (for Android devices) With the beyerdynamic App you can carry out customi- sed operation settings and software updates These settings are saved to your MMX 230 wire- less, so you can enjoy with any playback device connected to your MMX 230 wireless Die beyerdynamic App ermöglicht Ihnen eine individuelle Steuerung Ihres MMX 230 wireless � Laden Sie die beyerdynamic App aus dem App Store (für iOS-Geräte) oder von Google Play (für Android-Geräte) herunter Mit der beyerdynamic App können Sie benutzer- definierte Betriebseinstellungen und Software- Updates vornehmen Diese Einstellungen werden auf Ihrem MMX 230 wireless gespeichert, so dass Sie sie mit jedem Abspielgerät, das mit Ihrem MMX 230 wireless verbunden ist, genießen können 拜雅应用程序支持您对 MMX 230 wireless 进行更具个 性化的操作。 � 从应用商店（针对 iOS 设备）或 Google Play （针对 Android 设备）下载拜雅应用程序。使用拜雅 应用程序，您可自定义操作设置和软件更新。这些设置 将保存在您的 MMX 230 wireless 中，因此您可在与 您的 MMX 230 wireless 连接的任何播放设备上畅享 所设定的功能。 beyerdynamic beyerdynamic MAN_MMX230wireless-QSG_EN-DE-ZH-ES-PL-KO_A2.indd 6MAN_MMX230wireless-QSG_EN-DE-ZH-ES-PL-KO_A2.indd 604.11.2025 15:59:0604.11.2025 15:59:06 7 APP | APP | 应用APP | APLIKACJA | 앱 La aplicación de beyerdynamic le permite controlar su MMX 230 wireless de forma más individual � Descargue la aplicación de beyerdynamic desde la App Store (para dispositivos iOS) o desde Google Play (para dispositivos Android) Con la aplicación de beyerdynamic puede realizar ajustes de funcionamiento persona- lizados y actualizaciones de software Estos ajustes se guardan en su MMX 230 wireless para que pueda disfrutar de ellos con cualquier dispositivo de reproducción conectado a su MMX 230 wireless Aplikacja beyerdynamic umożliwia indywidualne sterowanie zestawem słuchawkowym MMX 230 wireless � Pobierz aplikację beyerdynamic z App Store (dla urządzeń z systemem iOS) lub z Google Play (dla urządzeń z systemem Android) Za pomocą aplikacji beyerdynamic można dokonywać niestandardowych ustawień obsługi i aktu- alizacji oprogramowania Te ustawienia są zapisywane w MMX 230 wireless, dzięki czemu można ich używać z dowolnym urządzeniem odtwarzającym, podłączonym do zestawu słuchawkowego MMX 230 wireless beyerdynamic 앱을 사용하면 MMX 230 wireless를 개별 적으로 제어할 수 있습니다. � App Store(iOS 기기) 또는 Google Play(안드로이드 기기)에서 beyerdynamic 앱을 다운로드하십시오. beyerdynamic 앱을 사용하여 맞춤형 작동 설정 및 소프트웨어 업데이트를 수행할 수 있습니다. 이러한 설정은 MMX 230 wireless에 저장되므로 MMX 230 wireless에 연결된 모든 재생 장치에서 해당 설정이 유지됩니다. beyerdynamic beyerdynamic MAN_MMX230wireless-QSG_EN-DE-ZH-ES-PL-KO_A2.indd 7MAN_MMX230wireless-QSG_EN-DE-ZH-ES-PL-KO_A2.indd 704.11.2025 15:59:0704.11.2025 15:59:07 8 CONTROLS | BEDIENELEMENTE | 操作元件 Headset 1 Microphone (fixed) 2 On/off button 3 ANC button 4 Status LED 5 Charging LED 6 USB-C connection…

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01-A04 Rev. A/0 Aug 16,2024 Report No.: SZCR250900404404 Page: 1 of 3 Appendix B Detailed Test Results 1.BT BT Date: 2025/10/16 Test Laboratory: SGS-SAR Lab MMX230 Bluetooth DH5 78CH Rear cheek 0mm DUT: MMX230; Type: Headset; Communication System: UID 0, BLE (0); Frequency: 2480 MHz;Duty Cycle: 1:1.292 Medium: HSL;Medium parameters used: f = 2480 MHz; σ = 1.837 S/m; ε r = 37.852; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY 5 Configuration: Probe: EX3DV4 - SN3789; ConvF(6.98, 6.98, 6.98); Calibrated: 2025/1/15 Sensor-Surface: 1.4mm (Mechanical Surface Detection) Electronics: DAE4 Sn1663; Calibrated: 2025/4/27 Phantom: SAM 3; Type: SAM Twin; Serial: 2031 DASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Configuration/Body/Area Scan (11x13x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 0.231 W/kg Configuration/Body/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 3.887 V/m; Power Drift = -0.04 dB Peak SAR (extrapolated) = 0.303 W/kg SAR(1 g) = 0.164 W/kg; SAR(10 g) = 0.083 W/kg Smallest distance from peaks to all points 3 dB below = 11 mm Ratio of SAR at M2 to SAR at M1 = 55.6% Maximum value of SAR (measured) = 0.254 W/kg 0 dB = 0.254 W/kg = -5.95 dBW/kg Date: 2025/10/16 Test Laboratory: SGS-SAR Lab MMX230 Bluetooth DH5 78CH Touch cheek 0mm DUT: MMX230; Type: Headset; Communication System: UID 0, BLE (0); Frequency: 2480 MHz;Duty Cycle: 1:1.292 Medium: HSL;Medium parameters used: f = 2480 MHz; σ = 1.837 S/m; ε r = 37.852; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY 5 Configuration: Probe: EX3DV4 - SN3789; ConvF(6.98, 6.98, 6.98); Calibrated: 2025/1/15 Sensor-Surface: 1.4mm (Mechanical Surface Detection) Electronics: DAE4 Sn1663; Calibrated: 2025/4/27 Phantom: SAM 3; Type: SAM Twin; Serial: 2031 DASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Configuration/Body/Area Scan (11x13x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 0.129 W/kg Configuration/Body/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 3.501 V/m; Power Drift = 0.03 dB Peak SAR (extrapolated) = 0.180 W/kg SAR(1 g) = 0.087 W/kg; SAR(10 g) = 0.036 W/kg Smallest distance from peaks to all points 3 dB below = 7 mm Ratio of SAR at M2 to SAR at M1 = 51.4% Maximum value of SAR (measured) = 0.147 W/kg 0 dB = 0.147 W/kg = -8.33 dBW/kg - End of the Appendix -

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-A04 Rev.A/0 Page: 1 of 3 Appendix Test Setup Photos for SZCR2509004044AT FCC ID: OSDMMX230WL SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-A04 Rev.A/0 Page: 2 of 3 Test Setup Photo Conducted Emissions at AC Power Line (150kHz-30MHz) Radiated Spurious Emissions Below 1GHz SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-A04 Rev.A/0 Page: 3 of 3 Radiated Spurious Emissions Above 1GHz - End of the Appendix -

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/1 Report No.: SZCR250900404402 Page: 1 of 100 Keny Xu EMC Laboratory Manager TEST REPORT Application No.: SZCR2509004044AT Applicant: Beyerdynamic Address of Applicant: 56 Central Avenue, Farmingdale, New York, 11735, United States Manufacturer: beyerdynamic GmbH & Co.KG Address of Manufacturer: Theresienstrasse 8, 74072 Heilbronn, Germany Factory: Honsenn Technology Co., Ltd Address of Factory: No.70, Erheng Road, Wentang Zhuanyao Industrial Zone, Dongcheng District , Dongguan City , Guangdong Province Equipment Under Test (EUT): EUT Name: Wireless ANC Gaming Headset Model No.: MMX 230 wireless Trade Mark: beyerdynamic FCC ID: OSDMMX230WL Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2025-09-12 Date of Test: 2025-09-13 to 2025-09-30 Date of Issue: 2025-10-30 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/1 Report No.: SZCR250900404402 Page: 2 of 100 Revision Record Version Chapter Date Modifier Remark 01 2025-10-30 Original Authorized for issue by: Bill Chen/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/1 Report No.: SZCR250900404402 Page: 3 of 100 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Antenna Requirement 47 CFR Part 15, Subpart C 15.247 N/A 47 CFR Part 15, Subpart C 15.203 & 15.247(b)(4) Pass Other requirements Frequency Hopping Spread Spectrum System Hopping Sequence N/A 47 CFR Part 15, Subpart C 15.247(a)(1),(g),(h) Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Conducted Emissions at AC Power Line (150kHz-30MHz) 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2020) Section 6.2 47 CFR Part 15, Subpart C 15.207 Pass Radiated Emissions which fall in the restricted bands ANSI C63.10 (2020) Section 6.10.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Below 1GHz ANSI C63.10 (2020) Section 6.4,6.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Above 1GHz ANSI C63.10 (2020) Section 6.6 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Conducted Peak Output Power ANSI C63.10 (2020) Section 7.8.5 47 CFR Part 15, Subpart C 15.247(b)(1) Pass 20dB Bandwidth ANSI C63.10 (2020) Section 6.9.2 47 CFR Part 15, Subpart C 15.247(a)(1) Pass Carrier Frequencies Separation ANSI C63.10 (2020) Section 7.8.2 47 CFR Part 15, Subpart C 15.247a(1) Pass Hopping Channel Number ANSI C63.10 (2020) Section 7.8.3 47 CFR Part 15, Subpart C 15.247a(1)(iii) Pass Dwell Time ANSI C63.10 (2020) Section 7.8.4 47 CFR Part 15, Subpart C 15.247a(1)(iii) Pass Conducted Band Edges Measurement ANSI C63.10 (2020) Section 7.8.7.2 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions ANSI C63.10 (2020) Section 7.8.7 47 CFR Part 15, Subpart C 15.247(d) Pass SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/1 Report No.: SZCR250900404402 Page: 4 of 100 3 Contents Page 1 Cover Page ......................................................................................................................................... 1 2 Test Summary ..................................................................................................................................... 3 3 Contents ............................................................................................................................................. 4 4 General Information............................................................................................................................ 6 4.1 Details of E.U.T. ........................................................................................................................... 6 4.2 Description of Support Units ......................................................................................................... 6 4.3 Measurement Uncertainty ............................................................................................................ 6 4.4 Test Location ............................................................................................................................... 8 4.5 Test Facility .................................................................................................................................. 8 4.6 Deviation from Standards ............................................................................................................. 8 4.7 Abnormalities from Standard Conditions ....................................................................................... 8 5 Equipment List ................................................................................................................................... 9 6 Radio Spectrum Technical Requirement ..........................................................................................11 6.1 Antenna Requirement .................................................................................................................11 6.1.1 Test Requirement: ..................................................................................................................11 6.1.2 Conclusion ..............................................................................................................................11 6.2 Other requirements Frequency Hopping Spread Spectrum System Hopping Sequence ......12 6.2.1 Test Requirement:.................................................................................................................12 6.2.2 Conclusion ............................................................................................................................13 7 Radio Spectrum Matter Test Results ................................................................................................15 7.1 Condu…

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BN978-FPC天线 DateofIssue:2025-9-17 ESDSensitive Page( 1 )of( 9 ) iTDDrawing#20250917Revision#:InitialRelease 样品承认书 SampleApprovedSheet 产品描述说明： ProductDescription: BN978-FPC 天线 客户料号： Customerpartnumber 客户规格描述： Customerspecificationdescription: 公司内部编码 : Internalcompanycode: BF.978TX001 软件版本： Softwareversion: 无 PCB板描述： Hardwaredescription: FPC天线-YX-BT-BN978-V3.0-4代IPEX端子-线粗 0.64MM 线长 30MM- 剥线长度 2mm-1mm-1mm 亚鑫 供应商确认 VenderConfirm （盖章） （ Stamp ） 制作 Preparedby 审核 Checkedby 批准 Approved by 物料满足如下环保要求： Thematerialsmeetthefollowingenvironmentalrequirements: 禁用及监控物质控制标准(最新版本) BannedandMonitoredSubstancesControlStandard(LatestEdition)  无卤素技术标准 Halogen-freetechnicalstandard 客户确认 CustomerApproved （盖章） （ Stamp ） 采购 Sourcing 品质管理部 DQ 研发 RD 批准 Approvedby Page 2 978天线 DateofIssue:2025-9-17 ESDSensitive Page(2)of(9) iTDDrawing#20250917Revision#:InitialRelease 发布记录 RevisionECODescriptionDatePrep’dByCk’dByCk’dBy Appr’d By V1.0初次发布2025-9-10 iTD Contact Information: 张双红 Mb: 13760173603 Email: [email protected] 地址： 深圳市宝安区新安街道隆昌路高新奇二期 2 号楼 Room 605, Building 2, Phase II of Gaoxinqi, Longchang Road, Xin'an Subdistrict, Bao'an District, Shenzhen PROPRIETARYNOTICE Thesedocuments,andthecontainedinformationherein,are proprietaryandarenottobereproduced,usedordisclosed toothersformanufactureorforanyotherpurpose,exceptas specificallyauthorized,inwriting,byiTDCorporation. Page 3 978天线 DateofIssue:2025-9-17 ESDSensitive Page(3)of(9) iTDDrawing#20250917Revision#:InitialRelease 1.Antennapicture ThereportmainlyprovidestheteststatusoftheelectricalpropertiesparametersofYX-BT-BN978-V3.0The YX-BT-BN978-V3.0antennaisaBTBand.TheantennaPictureandassemblyareshownbelow. FPCAntennapicture&assemblypicture 2.AntennaTestEquipmentIntroduction TestofantennainputcharacteristicsusingAgilentE5071CandAgilent5062Avector networkanalyzer;TheradiationpatternoftheantennaaretestedusingtheSatimostarlab 3DnearfieldAnechoicChamber,andtheinstrumentisusedtoagilent8960E5515and AgilentE4438C.Thetestcoordinatesofthedarkroomareasfollows: Page 4 978天线 DateofIssue:2025-9-17 ESDSensitive Page(4)of(9) iTDDrawing#20250917Revision#:InitialRelease 3.ElectricalSpecification 3-2PassiveS11parameter MeasuringMethodisa50Ωcoaxialcableisconnectedtotheantenna.Thenthiscableis connectedtoanetworkanalyzertomeasuretheS11parameter,Keepingthisfixtureawayfrommetal atleast20cm. VSWR Page 5 978天线 DateofIssue:2025-9-17 ESDSensitive Page(5)of(9) iTDDrawing#20250917Revision#:InitialRelease 3-32D/3Dfieldpatterndiagram 3-4Passiveefficiency&Gain Page 6 978天线 DateofIssue:2025-9-17 ESDSensitive Page(6)of(9) iTDDrawing#20250917Revision#:InitialRelease 3-5OTAactive FSBTTEST CHTRPTIS 0 2.77-87.70 39 4.35-87.41 78 6.81-90.92 BHBTTEST CHTRPTIS 0 2.68-87.61 39 3.82-86.83 78 6.20-90.54 3-6Active3D&2Dfieldpatterndiagrams FSTRP Page 7 978天线 DateofIssue:2025-9-17 ESDSensitive Page(7)of(9) iTDDrawing#20250917Revision#:InitialRelease TIS 3-7Active3D&2Dfieldpatterndiagrams BHTRP Page 8 978天线 DateofIssue:2025-9-17 ESDSensitive Page(8)of(9) iTDDrawing#20250917Revision#:InitialRelease TIS Page 9 978天线 DateofIssue:2025-9-17 ESDSensitive Page(9)of(9) iTDDrawing#20250917Revision#:InitialRelease 4.MechanicalSpecification: MechanicalConfiguration(Unit:mm)heappearanceoftheantennaisaccordingto drawingFigure10

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01 Rev. A/1 Report No.: SZCR250900404504 Page: 1 of 35 Keny Xu EMC Laboratory Manager SAR TEST REPORT Application No.: SZCR2509004045AT Applicant: Beyerdynamic GmbH & Co.kG Address of Applicant: Theresienstrasse 8,Heilbronn 74072, Germany(Federal Repbulic Of) Manufacturer: beyerdynamic GmbH & Co.KG Address of Manufacturer: Theresienstrasse 8, 74072 Heilbronn, Germany Factory: Honsenn Technology Co., Ltd Address of Factory: No.70, Erheng Road, Wentang Zhuanyao Industrial Zone, Dongcheng District , Dongguan City , Guangdong Province EUT Description: Wireless ANC Gaming Headset Model No.: MMX 230 wireless Trade Mark: beyerdynamic IC: 3628C-MMX230WL Standards: RSS-102 Issue 6 December 15, 2023 Date of Receipt: 2025-10-15 Date of Test: 2025-10-16 Date of Issue: 2025-10-17 Test Result : PASS * * In the configuration tested, the EUT detailed in this report complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01 Rev. A/1 Report No.: SZCR250900404504 Page: 2 of 35 Revision Record Version Chapter Date Modifier Remark 01 2025-10-17 Original Authorized for issue by: Bill Chen/Project Engineer Eric Fu / Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01 Rev. A/1 Report No.: SZCR250900404504 Page: 3 of 35 TEST SUMMARY Frequency Band Maximum Reported SAR(W/kg) Head Extremity(10g SAR) BT 0.14(1g SAR) 0.13 SAR Limited(W/kg) 1.6 4.0 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01 Rev. A/1 Report No.: SZCR250900404504 Page: 4 of 35 Contents 1 General Information .......................................................................................................... 6 1.1 General Description of EUT ........................................................................................ 6 1.2 Test Specification ......................................................................................................... 7 1.3 RF exposure limits........................................................................................................ 8 1.4 Test Location ................................................................................................................. 9 1.5 Test Facility ................................................................................................................... 9 2 Laboratory Environment ............................................................................................... 10 3 SAR Measurements System Configuraion ............................................................... 11 3.1 The SAR Measurement System .............................................................................. 11 3.2 Isotropic E-field Proble EX3DV4 .............................................................................. 13 3.3 Data Acquisition Electronics (DAE) ......................................................................... 14 3.4 SAM Twin Phantom ................................................................................................... 14 3.5 ELI Phantom................................................................................................................ 15 3.6 Device Holder for Transmitters ................................................................................ 16 3.7 Measurement Procedure ........................................................................................... 17 3.7.1 Scanning procedure ............................................................................................ 17 3.7.2 Data storage ......................................................................................................... 19 3.7.3 Data Evaluation by SEMCAD ............................................................................ 19 4 SAR measurement variability and uncertainty ....................................................... 21 4.1 SAR measurement variability ................................................................................... 21 4.2 SAR measurement uncertainty ................................................................................ 22 5 Desciption of Test Position .......................................................................................... 23 5.1 The EUT Test Position .............................................................................................. 23 6 SAR System Verificaion Procedure ........................................................................... 24 6.1 Tissue Simulate Liquid .............................................................................................. 24 6.1.1 Recipes for Tissue Simulate Liquid .................................................................. 24 6.1.2 Measurement for Tissue Simulate Liquid ........................................................ 25 6.2 SAR System Check.................................................................................................... 26 6.2.1 Justification for Extended SAR Dipole Calibrations ....................................... 27 6.2.2 Summary System Check Result(s)................................................................... 28 6.2.3 Detailed System Check Results ........................................................................ 28 7 Test Configuration .......................................................................................................... 29 7.1 Operation Configurations .......................................................................................... 29 7.1.1 BT Test Configuration ......................................................................................... 29 8 Test Result ..............................…

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