Z9G-EDF306Wireless Noise Cancelling Headphones

Edifier International Limited

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Application Details

Equipment Class: DTS - Digital Transmission System
Date of Grant: Aug 28, 2026
Application Purpose: Original Equipment
Equipment Note: Wireless Noise Cancelling Headphones
Frequency Range: 2402.00000000 - 2480.00000000
Company: Edifier International Limited
Country: Hong Kong

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

认证插页WH880NB/出口材质：80g书纸工艺：单黑印刷风琴折 3-5 W PT PL CZ SK GR TR BG NL DK SV EN "3" is the minimum power required by the radio equipment to charge. "5" is the maximum power required by the radio equipment to achieve maximum charging speed. FR « 3 » est la puissance minimale requise par l’équipement radio pour se charger. « 5 » est la puissance maximale requise par l’équipement radio pour atteindre la vitesse de charge maximale. ES "3" es la potencia mínima que el equipo de radio necesita para cargar. "5" es la potencia máxima que el equipo de radio necesita para alcanzar la velocidad de carga máxima. DE „3“ ist die minimale Leistung, die zum Laden der Funkanlage benötigt wird. „5“ ist die maximale Leistung, die von der Funkanlage benötigt wird, um die maximale Ladegeschwindigkeit zu erreichen. IT "3" è la potenza minima richiesta dall'apparecchiatura radio per la ricarica. "5" è la potenza massima richiesta dall'apparecchiatura radio per raggiungere la massima velocità di ricarica. "3" é a potência mínima necessária para o equipamento de rádio carregar. "5" é a potência máxima necessária para o equipamento de rádio atingir a velocidade máxima de carregamento. „3” to minimalna moc wymagana przez sprzęt radiowy do ładowania. „5” to maksymalna moc wymagana przez sprzęt radiowy do osiągnięcia maksymalnej prędkości ładowania. „3“ je minimální výkon vyžadovaný k nabíjení rádiového zařízení. „5“ je maximální výkon vyžadovaný k maximální rychlosti nabíjení rádiového zařízení. „3“ je minimálny výkon požadovaný rádiovým zariadením na nabíjanie. „5“ je maximálny výkon požadovaný rádiovým zariadením na dosiahnutie maximálnej rýchlosti nabíjania. "3" είναι η ελάχιστη ισχύς που απαιτείται από την εγκατάσταση για φόρτιση. "5" είναι η μέγιστη ισχύς που απαιτείται από την εγκατάσταση για την επίτευξη της μέγιστης ταχύτητας φόρτισης. "3" telsiz ekipmanının şarj etmek için gereken minimum güçtür. "5" maksimum şarj hızına ulaşmak için telsiz ekipmanı için gereken maksimum güçtür. „3“ е минималната мощност, необходима на радиооборудването за зареждане. „5“ е максималната мощност, необходима на радиооборудването за постигане на максимална скорост на зареждане. "3" is het minimale vermogen dat de radioapparatuur nodig heeft om op te laden. "5" is het maximale vermogen dat de radioapparatuur nodig heeft om de maximale oplaadsnelheid te bereiken. Strømmen skal mindst være på "3" før at radioudstyret kan oplades. Strømmen må højst være på "5" før at radioudstyret kan oplades med maksimal hastighed. ”3” är den minsta energin som krävs av radioutrustnignen för att ladda. ”5” är den maximala energin som krävs av radioutrustningen för att nå maximal laddningshastighet. RO „3”este puterea minimă, necesară pentru încărcarea echipamentului radio. „5”este puterea maximă, necesară pentru ca echipamentul radio să atingă viteza maximă de încărcare. XXX-XXXXXX FCC statement: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two 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. IC statement: CAN ICES(B) / NMB(B). FCC ID: Z9G-EDF306 IC: 10004A-EDF306 ISED Regulatory compliance This device contains licence-exempt transmitters that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: This device may not cause interference. This device must accept any interference, including interference that may cause undesired operation of the device. L’émetteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes : L’appareil ne doit pas produire de brouillage; L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. This equipment complies with IC RSS-102 radiation exposure limits set forth for an uncontrolled environment. Cet équipement est conforme aux limites d'exposition aux radiations IC CNR-102 établies pour un environnement non contrôlé. FCC Regulatory Compliance Warning: changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Note: 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 television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. RF Exposure Compliance This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. เครื่องโทรคมนาคมและอุปกรณ์นี้ มีควา มสอดคล้องตามข้อกําหนดของ กทช. 1. Product type 2. Name and address of manufacturer 3. This declaration of compliance is prepared by the manufacturer of this product. 5. References to the relevant standards in relation to which conformity is declared: ETSI EN 303 645 V2.1.1 (issued 2020-06) (prov…

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Attestation Statements

1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: Edifier USA LLC FRN: 0033444019 Contact Name: Brien Culver Address: 428 Hemphill St Fort Worth, TX 76104 United States Telephone No: (817) 265-2160 Email: [email protected] Applicant: Company name: Edifier International Limited FRN: 0021277140 Product Description: Wireless Noise Cancelling Headphones Grantee code: Z9G FCC ID: Z9G-EDF306 Contact Name: Geng Chen Address: P. O. Box 6264 General Post Office, Hong Kong Telephone No: 0769-88986868 Email: [email protected] [Edifier International Limited] certifies that, as of the date of this filing of the application with the TCB, [Edifier USA LLC] is our designated US agent for service of process for the above referenced FCC ID. [Edifier International Limited] accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any commission related proceeding involving equipment. [Edifier USA LLC] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 08.18.2026 Applicant’s Name: Geng Chen US Agent’s Name: Brien Culver Title: Safety Manager Title: Director Signature Signature

Attestation Statements

Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1 TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Edifier International Limited Grantee code: Z9G FCC ID: Z9G-EDF306 FRN: 0021277140 Contact Name: Geng Chen Address: P. O. Box 6264 General Post Office, Hong Kong Telephone No: 0769-88986868 Fax No: 0769-88951506-0 Email: [email protected] i. [Edifier International Limited] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. The applicant must sign this certification. ii. [Edifier International Limited] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. Edifier International Limited certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Date: 08.18.2026 Applicant’s Name: Geng Chen Title: Safety Manager Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

Attestation Statements

Edifier International Limited Code 00018768 Ed. 2 Item 1. The device is able to install software/program installation? ☐ Yes, go to Item 2. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky cybersecurity or anti-virus software. Item 2. Technical Requirements for Kaspersky Cybersecurity Software: # General Requirements (For all Devices) Yes / No or N/A Comments 1 Internet connection for activation and updates (For all Operating Systems) N/A Device Wireless Noise Cancelling Headphones Company name Edifier International Limited Grantee code Z9G FCC ID Z9G-EDF306 FRN 0021277140 Contact name Geng Chen Address P. O. Box 6264 General Post Office, Hong Kong Telephone number 0769-88986868 E-mail [email protected] Chipset/module information BT8970H Operating System (if applicable) N/A Storage Capacity (hard drive or other permanent memory storage, if applicable) N/A 2 # General Requirements (For Windows Devices) Yes / No or N/A Comments 1 Storage: 1500 MB free space on the hard drive N/A 2 Operating System: Microsoft Windows 8, 8.1, 10 & 11 Home / Pro / Enterprise Microsoft Windows 7 Starter / Home Basic & Premium / Professional / Ultimate SP1 or higher N/A 3 Processor: 1 GHz or higher (x86 or x64) N/A 4 Memory (RAM)1 GB (32-bit) or 2 GB (64-bit) N/A 5 Screen Resolution: Minimum resolution of 1024 x 768 N/A # General Requirements (For macOS devices) Yes / No or N/A Comments 1 Operating System macOS® 13 – 14 N/A 2 Memory (RAM)4 GB N/A 3 Storage: 3455 MB free space on the hard drive N/A # General Requirements (For Android Devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: Android™ 10 – 14 N/A 3 Screen Resolution: Minimum resolution of 320 x 480 N/A # General Requirements (for iOS devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: iOS® 17 N/A 3 # General Requirements (For Linux system) Yes / No or N/A Comments 1 Hard drive: 1 GB of free space N/A 2 CPU: Intel Pentium 1 GHz or higher N/A 3 RAM: 1 GB N/A 4 Minimum software requirements: AlmaLinux OS 8 or later; AlterOS 7.5 or later; Astra Linux Common Edition 2.12 or later; CentOS 6.7 or later; Debian GNU/Linux 10.0 or later; EulerOS 2.0 or later; Oracle Linux 7.3 or later ; Red Hat Enterprise Linux 6.7 or later ; Rocky Linux 8.5 or later ; SUSE Linux Enterprise Server 12.5 or later; Ubuntu 12.04 or later ; Uncom OS Home / Business / Education / Enterprise 2.2 or later; ALT Linux Workstaton / Workstation K / Server / Education 8 or later; ROSA Linux Workstation / Server 12 or later ; RED OS 7.3 and later ; N/A After reviewed the technical requirements, is the device capable of supporting the installation of Kaspersky software? ☐ Yes, go to Item 3. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky software 4 Item 3. Connectivity Capabilities: # Physical Interface Purpose Justification 1 1 # Wireless Interface Purpose Justification 1 1 After the review of this items, the device: ☒ Cannot support installation of any cybersecurity or anti-virus software on the covered list. ☐ Potentially can operate with any cybersecurity or anti-virus software on the covered list – additional third- party proof is provided to demonstrate compliance with requirements as of 2.911(d)5(i),(ii) – “Proof of Compliance with Covered List Software Requirements” of this document applies Signature: Name: Geng Chen Date: 8/18/2026 1 The justification field is used to justify why the software cannot be received through that interface. Check the annex for more indications.

Attestation Statements

TCB CALL página 1 File FCC ID: Z9G-EDF306S Please upload an exhibit that explains how does the TCB verify the new agent information: 1- Is the address of the agent a valid physical US mailing address (not a US post office box, not a virtual mailbox, not P.O. Boxes, not a vacant lot, not a public building, etc.) ○ We have checked if the address exists in a real and potential building (Google maps) + official US register, after this verification and the evidence below we can guarantee the following: not a US post office box not a virtual mailbox not P.O. Boxes not a vacant lot not a public building(note) ► We checked the FCC FRN Search based on the information provided by the grantee. TCB CALL página 2 In google: TCB CALL página 3 However after deeply investigate I could see: TCB CALL página 4 ► CONCLUSION by TCB: The ASOP defined and provided by grantee is VALID and confirmed. Therefore the exhibit "C5266091_X23_Ed1_US_Agent_Letter" included in the file is ok. 2- Is the agent physically located at that valid US address such that the agent can be legally served at that address? Yes , check above 3- Has the listed agent clearly agreed in writing to serve as the agent for the grantee at that address? Yes, it is included in the exhibit " C5266091_X23_Ed1_US_Agent_Letter " >

Cover Letter(s)

C5266091_X10_Ed.2 1/1 Edifier International Limited Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 8/18/2026 Subject: Request for Confidentiality FCC ID: Z9G-EDF306 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name: Geng Chen Title: Safety Manager

Cover Letter(s)

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: Edifier International Limited Address: P. O. Box 6264 General Post Office, Hong Kong Product Name: Wireless Noise Cancelling Headphones Model Number: EDF200244 FCC Identifier: Z9G-EDF306 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Geng Chen Date: 8/18/2026 Title: Safety Manager Signature of applicant:

External Photos

Page1of9Report No.: MTi260708006-0110 $GGUHVV 1R =RQH ;LQ[LQJ ,QGXVWULDO 3DUN )XKDL$YHQXH ;LQKH &RPPXQLW\ )XKDL 6WUHHW %DR¶DQ 'LVWULFW 6KHQ]KHQ *XDQJGRQJ &KLQD 7HO 0RELOH :HFKDW VDPH QXPEHU :HE KWWSZZZPWLWHVWFQ(PDLO PWL#PWLFRP Photographs of the EUT Model: EDF200244 External Page2of9Report No.: MTi260708006-0110 $GGUHVV 1R =RQH ;LQ[LQJ ,QGXVWULDO 3DUN )XKDL$YHQXH ;LQKH &RPPXQLW\ )XKDL 6WUHHW %DR¶DQ 'LVWULFW 6KHQ]KHQ *XDQJGRQJ &KLQD 7HO 0RELOH :HFKDW VDPH QXPEHU :HE KWWSZZZPWLWHVWFQ(PDLO PWL#PWLFRP Page3of9Report No.: MTi260708006-0110 $GGUHVV 1R =RQH ;LQ[LQJ ,QGXVWULDO 3DUN )XKDL$YHQXH ;LQKH &RPPXQLW\ )XKDL 6WUHHW %DR¶DQ 'LVWULFW 6KHQ]KHQ *XDQJGRQJ &KLQD 7HO 0RELOH :HFKDW VDPH QXPEHU :HE KWWSZZZPWLWHVWFQ(PDLO PWL#PWLFRP Page4of9Report No.: MTi260708006-0110 $GGUHVV 1R =RQH ;LQ[LQJ ,QGXVWULDO 3DUN )XKDL$YHQXH ;LQKH &RPPXQLW\ )XKDL 6WUHHW %DR¶DQ 'LVWULFW 6KHQ]KHQ *XDQJGRQJ &KLQD 7HO 0RELOH :HFKDW VDPH QXPEHU :HE KWWSZZZPWLWHVWFQ(PDLO PWL#PWLFRP

ID Label/Location Info

左滑臂雕刻右滑臂雕刻 WH880NB-左右滑臂激光雕刻出口汤馨 A0 文件编号版次文件名称绘制审核批准 EDF/EJ-TTZ- 1 ：1 1 ：1 物料编码物料名称工艺镭雕左滑臂雕刻镭雕右滑臂雕刻 EP11字体：SourceHanSansCN* 、Light-KSCpc-EUC-H*、1.77pt 1.E代表制造商代码 2.P代表年、11代表月，如：M08，M代表2022年(按照字母排列)，08代表8月年份按24个英文字母排列，字母I和O不可使用如：2022年8月是 : M08 2023年7月是 : N07 2024年8月是 : P08 2025年9月是: Q09 位置示意图注意不要雕反！ 3mm 1mm 1mm 1mm 4.5mm XXX-XXXXXX WH880NB RoHS R3B489 Wireless Noise Cancelling Headphones/無線頭戴降噪耳機 Model/型號: EDF200244 Input/輸入: 5V 1A Edifier International Limited Made in China/中國製造 EP11 FCC ID: Z9G-EDF306 IC: 10004A-EDF306 XXX-XXXXXX WH880NB RoHS R3B489 Wireless Noise Cancelling Headphones/無線頭戴降噪耳機 Model/型號: EDF200244 Input/輸入: 5V 1A Edifier International Limited Made in China/中國製造 EP11 FCC ID: Z9G-EDF306 IC: 10004A-EDF306 XXX-XXXXXX WH880NB RoHS R3B489 Wireless Noise Cancelling Headphones/無線頭戴降噪耳機 Model/型號: EDF200244 Input/輸入: 5V 1A Edifier International Limited Made in China/中國製造 EP11 FCC ID: Z9G-EDF306 IC: 10004A-EDF306 XXXXXXXXXXXXXX R -R -EDF-EDF200244 ANATEL XXXXX-XX-XXXXX 4.5mm XXXXXXXXXXXXXX R -R -EDF-EDF200244 ANATEL XXXXX-XX-XXXXX XXXXXXXXXXXXXX R -R -EDF-EDF200244 ANATEL XXXXX-XX-XXXXX

Internal Photos

Page4of9ReportNo.: MTi260708006-0110 Address:101, No. 7, Zone 2, XinxingIndustrialPark, Fuhai Avenue,Xinhe Community,Fuhai Street, Bao ’an District,Shenzhen,Guangdong,China. Tel: 0755-88850135-1439Mobile:131-4343-1439(Wechatsame number)Web: http://www.mtitest.cnE-mail:[email protected] Internal Page5of9ReportNo.:MTi260708006-0110 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page6of9ReportNo.:MTi260708006-0110 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page7of9ReportNo.:MTi260708006-0110 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page8of9ReportNo.:MTi260708006-0110 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page9of9ReportNo.:MTi260708006-0110 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected]

RF Exposure Info

Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page 1 of 6 RFEXPOSURE TestReport ReportNo.:MTi260708006-0110E3 DateofIssue:2026-07-28 Applicant:EdifierInternationalLimited Product:WirelessNoiseCancellingHeadphones Model(s):EDF200244 FCCID:Z9G-EDF306 ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi260708006-0110E3 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page2of6 Tableofcontents 1StandaloneSARtestexclusionconsiderations.................................................................4 2SARTestExclucsionThresholds.........................................................................................5 TESTREPORT ReportNo.:MTi260708006-0110E3 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page3of6 TestResultCertification ApplicantEdifierInternationalLimited ApplicantAddressP.O.Box6264GeneralPostOffice,HongKong ManufacturerBeijingEdifierTechnologyCo.,Ltd. Manufacturer Address 815,Floor8,ShuangqiaoBuilding,No.68,NorthFourthRingWestRoad, HaidianDistrict,100080Beijing,P.R.China Productdescription ProductnameWirelessNoiseCancellingHeadphones TrademarkEDIFIER ModelnameEDF200244 SeriesModel(s)N/A StandardsN/A Testmethod KDB447498D01v06 47CFRPart2.1093 TestingInformation Dateoftest2026-07-19to2026-07-27 TestResultPass Preparedby:LetterLan Reviewedby:DavidLee Approvedby:LewisLian TESTREPORT ReportNo.:MTi260708006-0110E3 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page4of6 1StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-g headorbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,by measurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTest ExclusionThresholdcondition(s),listedbelow,is(are)satisfied. Thesetestexclusionconditionsarebasedonsource-basedtime-averagedmaximum conductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-uptolerance, andtheminimumtestseparationdistancerequiredfortheexposureconditions. Theminimumtestseparationdistancedefinedin4.1f)isdeterminedbythesmallestdistance fromtheantennaandradiatingstructuresoroutersurfaceofthedevice,accordingtothehost formfactor,exposureconditionsandplatformrequirements,toanypartofthebodyorextremity ofauserorbystander. ToqualifyforSARtestexclusion,thetestseparationdistancesappliedmustbefullyexplained andjustified,typicallyintheSARmeasurementorSARanalysisreport,bytheoperating configurationsandexposureconditionsofthetransmitterandapplicablehostplatform requirements,accordingtotherequiredpublishedRFexposureKDBprocedures. WhennootherRFexposuretestingorreportingarerequired,astatementofjustificationand compliancemustbeincludedintheequipmentapproval,inlieuoftheSARreport,toqualifyfor SARtestexclusion. Whenrequired,thedevicespecificconditionsdescribedintheotherpublishedRFexposure KDBproceduresmustbesatisfiedbeforeapplyingtheseSARtestexclusionprovisions. a)For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where  f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Thevalues3.0and7.5arereferredtoasnumericthresholdsinstepb)below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm, andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto4.1f)isappliedtodetermine SARtestexclusion. b)For100MHzto6GHzandtestseparationdistances>50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing(alsoillustratedinAppendixB): 1){[Powerallowedatnumericthresholdfor50mminstepa)]+[(testseparation distance–50mm)·(f(MHz)/150)]}mW,for100MHzto1500MHz 2){[Powerallowedatnumericthresholdfor50mminstepa)]+[(testseparation distance–50mm)·10]}mW,for>1500MHzand≤6GHz c)Forfrequenciesbelow100MHz,thefollowingmaybeconsideredforSARtestexclusion (alsoillustratedinAppendixC): 1)Fortestseparationdistances>50mmand<200mm,thepowerthresholdatthe correspondingtestseparationdistanceat100MHzinstepb)ismultipliedby[1+ log(100/f(MHz))] TESTREPORT ReportNo.:MTi260708006-0110E3 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page5of6 2)Fortestseparationdistances≤50mm,thepowerthresholddeterminedbythe equationinc)1)for50mmand100MHzismultipliedby½ 3)SARmeasurementproceduresarenotestablishedbelow100MHz. WhenSARtestexclusioncannotbeapplied,aKDBinquiryisrequiredtodetermineSAR evaluationrequirementsforanySARtestresultsbelow100MHztobeacceptable. 2SARTestExclucsionThresholds Weuse5mmasseparationdistancetocalculated. BluetoothDSS: Transmit Frequency (GHz) Mode Measured Power (dBm) Tune-up power (dBm) Maxtune-upResult 1gSAR test exclusion threshold power(dBm)calculation 2.402 GFSK 1.191±120.49133 2.4410.740±110.39343 2.4801.621±120.49923 2.4…

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Test Report

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