2A25A-A70GEN2Wireless Headphones

CNTCEN Package 1 2 3   4 Button Controls Manufacturer: YI ZHAO (SHENZHEN) CO., LIMITED Add.: 6th Floor, T3 Creative Building, Shenzhen Colorful Huiwei Cultural and Creative Expo City, No. 5010 Baoan Avenue, Caowei Community, Hangcheng Street, Baoan District, Shenzhen, Guangdong, China Email: [email protected] Tel.: +85269403848 APEX CE SPECIALISTS LIMITED Add.: 89 Princess Street, Manchester, M1 4HT, UK Tel.: +441616371080 Email: [email protected] 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. Any 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. The device has been evaluated to meet general RF exposure statement. The device can be used in portable exposure condition without restriction. FCC WARNING C&E Connection E-Commerce (DE) GmbH Add.: Zum Linnegraben 20, 65933, Frankfurt am Main, Germany Tel.: +49(0)1746508451 Email: [email protected] 220-J11221 FCC ID: 2A25A-A70GEN2 IC: 28237-A70GEN2 Global: [email protected] Global: +85269403848 (Mon to Fri 9�00 am-6�30 pm, UTC +8 HKT) Global: oneodio.com/pages/support Japan: oneodio.jp/pages/support Ochrona środowiska Zużyty sprzęt elektroniczny oznakowany zgodnie z dyrektywą Unii Europejskiej, nie może być umieszczany łącznie z innymi odpadami komunalnymi. Podlega on selektywnej zbiórce i recyklingowi w wyznaczonych punktach. Zapewniając jego prawidłowe usuwanie, zapobiegasz potencjalnym, negatywnym konsekwencjom dla środowiska naturalnego i zdrowia ludzkiego. System zbierania zużytego sprzętu zgodny jest z lokalnie obowiązującymi przepisami ochrony środowiska dotyczącymi usuwania odpadów. Szczegółowe informacje na ten temat można uzyskać w urzędzie miejskim, zakładzie oczyszczania lub sklepie, w którym produkt został zakupiony. Produkt spełnia wymagania dyrektyw tzw. Nowego Podejścia Unii Europejskiej (UE), dotyczących zagadnień związanych z bezpieczeństwem użytkowania, ochroną zdrowia i ochroną środowiska, określających zagrożenia, które powinny zostać wykryte i wyeliminowane. YU101893-23001 R-R-Xn9-A70GEN2 Dongguan Wuge Electronic Technology Co,Ltd. ISED Caution: Radio Standards Specification RSS-Gen, issue 5 - English: This device contains licence-exempt transmitter(s)/receiver(s) 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. RF exposure statement: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. - French: Cet appareil contient des émetteurs / récepteurs exemptes de licence conformes aux RSS (RSS) d'Innovation, des Sciences et du Développement économique du Canada. Le fonctionnement est soumis aux deux conditions suivantes : Cet appareil ne doit pas causer d'interférences. Cet appareil doit accepter toutes les interférences, y compris celles susceptibles de provoquer un fonctionnement indésirable de l'appareil. Déclaration d'exposition RF: L'appareil a été évalué pour répondre aux exigences générales d'exposition aux RF. L'appareil peut être utilisé dans des conditions d'exposition portable sans restriction. 0.25 - 2.5 W Battery Model : M 702535 Battery Net Weight : 11.7 g Battery Manufacturer : Dongguan Miyear Battery Co., Ltd. Address : No. 44, Shahe Road, Sicun Village, Tangxia Town, Dongguan City, P. R. C Tel : +86-13652552252 Mail : [email protected] V1Made in China 6.35 mm 6.35 mm 3.5 mm 3.5 mm Option 1Option 2 3.5 mm to 6.35 mm audio cable 8 AMP & Wired Mode Wireless & DJ Headphones 2 FUSION 72 Hours Compatible with DJ Controllers, Mixers, Audio Interface, Amps, Electronic Instruments, PC, Pads, Smartphones User Manual Wireless & DJ Headphones 2 FUSION 5 6 EQ 7 8  9 1 5 V 1 A ≈2 h 2′′ 1 Phone 1 2 Pairing 2 Phone 1 OneOdio A70 Gen 2 3 Phone 2 Phone 1 4 4 Phone 1 5 3 Dual-Device Connection 2′′ 2 Phone 2 OneOdio A70 Gen 2 3 1 Phone 2Phone 1 x1x3 1′′ 1′′ Voice Assistant POWER ON POWER OFF 2′′3′′ x1 x1 6 x1 1′′ Bluetooth mode (Phone Controls) EQ x1 x1 x1 7 4′′4′′ 9 Portable Design 90° 6.35 mm3.5 mm 包装清单 OneOdio A70 Gen 2 耳机*1 3米6.35-3.5 mm 弹簧音频线*1 60 cm USB A-C 充电线*1 收纳皮袋*1 说明书*1 包裝清單 OneOdio A70 Gen 2 耳機*1 3公尺 6.35-3.5 mm 線圈音訊線*1 60 cm USB A-C 充電線*1 收納袋*1 說明書*1 Package OneOdio A70 Gen 2 Headphones × 1 3 m 6.35 mm to 3.5 mm Coiled Audio Cable × 1 60 cm USB-A to USB-C Charging Cable × 1 Carry Pouch × 1 User Manual × 1 DEFR Lieferumfang OneOdio A70 Gen 2 Kopfhörer × 1 3 m langes Audio-Spiralkabel (6,…

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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: NONABYTE INC FRN: 0035151901 Contact Name: David Ren Address: 700 S FLOWER ST STE 1000 LOS ANGELES. CA 90017 Telephone No: +1-8582314651 Email: [email protected] Applicant: Company name: YI ZHAO (SHENZHEN) CO., LIMITED. FRN: 0031347248 Product Description: Wireless Headphones Grantee code: 2A25A FCC ID: 2A25A-A70GEN2 Contact Name: Jenny Qiu Address: 6th Floor, T3 Creative Building, Creative Expo City, No.5010 Baoan Avenue, Hangcheng Street, Baoan Shenzhen, China Telephone No: 0755-29082307 Email: [email protected] [YI ZHAO (SHENZHEN) CO., LIMITED.] certifies that, as of the date of this filing of the application with the TCB, [NONABYTE INC] is our designated US agent for service of process for the above referenced FCC ID. [YI ZHAO (SHENZHEN) CO., 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. [NONABYTE INC] 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: 06.11.2026 Applicant’s Name: Jenny Qiu US Agent’s Name: David Ren Title: Purchasing Manager Title: Manager Signature Signature

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: YI ZHAO (SHENZHEN) CO., LIMITED. Grantee code: 2A25A FCC ID: 2A25A-A70GEN2 FRN: 0031347248 Contact Name: Jenny Qiu Address: 6th Floor, T3 Creative Building, Creative Expo City, No.5010 Baoan Avenue, Hangcheng Street, Baoan Shenzhen, China Telephone No: 0755-29082307 Fax No: 0755-29082307 Email: [email protected] i. [YI ZHAO (SHENZHEN) CO., 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. [YI ZHAO (SHENZHEN) CO., 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. YI ZHAO (SHENZHEN) CO., 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: 06.11.2026 Applicant’s Name: Jenny Qiu Title: Purchasing 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

YI ZHAO (SHENZHEN) CO., 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 Headphones Company name YI ZHAO (SHENZHEN) CO., LIMITED. Grantee code 2A25A FCC ID 2A25A-A70GEN2 FRN 0031347248 Contact name Jenny Qiu Address 6th Floor, T3 Creative Building, Creative Expo City, No.5010 Baoan Avenue, Hangcheng Street, Baoan Shenzhen, China Telephone number 0755-29082307 E-mail [email protected] Chipset/module information AC7106F6 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: Jenny Qiu Date: 6/11/2026 1 The justification field is used to justify why the software cannot be received through that interface. Check the annex for more indications.

TCB CALL página 1 File FCC ID: 2A25A-A70GEN2 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. On the official register from CALIFORNIA: https://bizfileonline.sos.ca.gov/search/business Click ‘view history’ TCB CALL página 2 Inside the document we saw: TCB CALL página 3 In google, Office photos, TCB CALL página 4 TCB CALL página 5 ► 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" >

C5266091_X10_Ed.2 1/1 YI ZHAO (SHENZHEN) CO., LIMITED. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 6/11/2026 Subject: Request for Confidentiality FCC ID: 2A25A-A70GEN2 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: Jenny Qiu Title: Purchasing Manager

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: YI ZHAO (SHENZHEN) CO., LIMITED. Address: 6th Floor, T3 Creative Building, Creative Expo City, No.5010 Baoan Avenue, Hangcheng Street, Baoan Shenzhen, China Product Name: Wireless Headphones Model Number: A70 Gen 2 FCC Identifier: 2A25A-A70GEN2 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: Jenny Qiu Date: 6/11/2026 Title: Purchasing Manager Signature of applicant:

Page1of4ReportNo.:MTi260129016-0110 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] PhotographsoftheEUT(ExternalPhotos) Model:A70Gen2 Page2of4ReportNo.:MTi260129016-0110 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] Page3of4ReportNo.:MTi260129016-0110 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] Page4of4ReportNo.:MTi260129016-0110 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]

This SN code is subject to change according to the production time and serial number of each individual product. Coding rules Serial Number Production line Color version Date format: For example,240628 Company code

Page1of4ReportNo.:MTi260129016-0110 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] PhotographsoftheEUT(InternalPhotos) Model:A70Gen2 Page2of4ReportNo.:MTi260129016-0110 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] Page3of4ReportNo.:MTi260129016-0110 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] ANT Page4of4ReportNo.:MTi260129016-0110 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]

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.:MTi260129016-0110E2 DateofIssue:2026-03-03 Applicant:YIZHAO(SHENZHEN)CO.,LIMITED Product:WirelessHeadphones Model(s):A70Gen2 FCCID:2A25A-A70GEN2 ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi260129016-0110E2 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.:MTi260129016-0110E2 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 ApplicantYIZHAO(SHENZHEN)CO.,LIMITED ApplicantAddress 6thFloor,T3CreativeBuilding,CreativeExpoCity,No.5010BaoanAvenue, HangchengStreet,BaoanShenzhen,China ManufacturerYIZHAO(SHENZHEN)CO.,LIMITED Manufacturer Address 6thFloor,T3CreativeBuilding,ShenzhenColorfulHuiweiCulturalAnd CreativeExpoCity,No.5010BaoanAvenue,CaoweiCommunity,Hangcheng Street,BaoanDistrict,Shenzhen,Guangdong,China Productdescription ProductnameWirelessHeadphones TrademarkOneOdio ModelnameA70Gen2 SeriesModel(s)N/A Standards47CFRPart2.1093 TestmethodKDB447498D01v06 TestingInformation Dateoftest2026-02-10to2026-02-27 TestResultPass Preparedby:MaleahDeng Reviewedby:DavidLee Approvedby:LewisLian TESTREPORT ReportNo.:MTi260129016-0110E2 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+ TESTREPORT ReportNo.:MTi260129016-0110E2 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 log(100/f(MHz))] 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 …

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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-FE038 Ver./Rev.：A1 Page 1 of 72 TestReport ReportNo.:MTi260129016-0110E1 Dateofissue:2026-03-03 Applicant:YIZHAO(SHENZHEN)CO.,LIMITED Product:WirelessHeadphones Model(s):A70Gen2 FCCID:2A25A-A70GEN2 ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi260129016-0110E1 Tel:0755-88850135-1439Mobile: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-FE038 Ver./Rev.：A1 Page 2 of 72 Tableofcontents 1GeneralDescription.......................................................................................................................4 1.1DescriptionoftheEUT.........................................................................................................4 1.2Descriptionoftestmodes.....................................................................................................4 1.3EnvironmentalConditions.....................................................................................................6 1.4Descriptionofsupportunits..................................................................................................6 1.5Measurementuncertainty.....................................................................................................6 2SummaryofTestResult................................................................................................................7 3TestFacilitiesandaccreditations................................................................................................8 3.1Testlaboratory......................................................................................................................8 4Listoftestequipment....................................................................................................................9 5EvaluationResults(Evaluation).................................................................................................11 5.1Antennarequirement..........................................................................................................11 6RadioSpectrumMatterTestResults(RF)................................................................................12 6.120dBBandwidth..................................................................................................................12 6.2MaximumConductedOutputPower..................................................................................14 6.3ChannelSeparation............................................................................................................16 6.4NumberofHoppingFrequencies.......................................................................................18 6.5DwellTime..........................................................................................................................20 6.6RFconductedspuriousemissionsandbandedgemeasurement....................................22 6.7Bandedgeemissions(Radiated)...................................…

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