2BTV9-H5onesuze H5 Study & Recite Headphones

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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: Oasis Compliance, Inc./JIANMIN HE FRN: 0033464157 Contact Name: James He Address: 3313 Verdi Dr, San Jose, CA 95111 Telephone No: (202)602-8330 Email: [email protected] Applicant: Company name: Guangzhou Onesuze Intelligent Technology Co., Ltd. FRN: 0037785565 Product Description: onesuze H5 Study & Recite Headphones Grantee code: 2BTV9 FCC ID: 2BTV9-H5 Contact Name: Leon Chen Address: Unit 501-02, Building 1, No. 18 Daling Shan Road, Tianhe District, Guangzhou City, Guangdong Province, China Telephone No: 18318880349 Email: [email protected] [Guangzhou Onesuze Intelligent Technology Co., Ltd.] certifies that, as of the date of this filing of the application with the TCB, [Oasis Compliance, Inc./JIANMIN HE] is our designated US agent for service of process for the above referenced FCC ID. [Guangzhou Onesuze Intelligent Technology Co., Ltd.] 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. [Oasis Compliance, Inc./JIANMIN HE] 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: 02.09.2026 Applicant’s Name: Leon Chen US Agent’s Name: James He Title: Manager Title: Global Market Access 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: Guangzhou Onesuze Intelligent Technology Co., Ltd. Grantee code: 2BTV9 FCC ID: 2BTV9-H5 FRN: 0037785565 Contact Name: Leon Chen Address: Unit 501-02, Building 1, No. 18 Daling Shan Road, Tianhe District, Guangzhou City, Guangdong Province, China Telephone No: 18318880349 Fax No: Email: [email protected] i. [Guangzhou Onesuze Intelligent Technology Co., Ltd.] (“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. [Guangzhou Onesuze Intelligent Technology Co., Ltd.] (“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. Guangzhou Onesuze Intelligent Technology Co., Ltd. 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: 02.09.2026 Applicant’s Name: Leon Chen Title: 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

Guangzhou Onesuze Intelligent Technology Co., Ltd. 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 onesuze H5 Study & Recite Headphones Company name Guangzhou Onesuze Intelligent Technology Co., Ltd. Grantee code 2BTV9 FCC ID 2BTV9-H5 FRN 0037785565 Contact name Leon Chen Address Unit 501-02, Building 1, No. 18 Daling Shan Road, Tianhe District, Guangzhou City, Guangdong Province, China Telephone number 18318880349 E-mail [email protected] Chipset/module information BT8931H 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: Leon Chen Date: 2/9/2026 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: 2BTV9-H5 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://www.sanjoseca.gov/your-government/departments-offices/finance/business-tax-registration/business-tax-lookup TCB CALL página 2 In google: However after deeply investigate I could see: TCB CALL página 3 ► CONCLUSION by TCB: The ASOP defined and provided by grantee is VALID and confirmed. Therefore the exhibit "FCC Agent for service Attestation from Agent&FCC Agent for service Attestation from Applicant" 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 " FCC Agent for service Attestation from Agent&FCC Agent for service Attestation from Applicant " >

C5266091_X10_Ed.2 1/1 Guangzhou Onesuze Intelligent Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2/9/2026 Subject: Request for Confidentiality FCC ID: 2BTV9-H5 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: Leon Chen Title: Manager

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: Guangzhou Onesuze Intelligent Technology Co., Ltd. Address: Unit 501-02, Building 1, No. 18 Daling Shan Road, Tianhe District, Guangzhou City, Guangdong Province, China Product Name: onesuze H5 Study & Recite Headphones Model Number: Focus H5 FCC Identifier: 2BTV9-H5 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: Leon Chen Date: 2/9/2026 Title: Manager Signature of applicant:

Page1of4ReportNo.:MTi251022012-0111 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:FocusH5 Page2of4ReportNo.:MTi251022012-0111 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.:MTi251022012-0111 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.:MTi251022012-0111 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]

1.0 4.1 5.0 D C B A 1234 D C B 56 A 654321 未标注尺寸公差 尺寸 公差 材料：铝合金 缩水率： 用于机型： 表面处理：电镀镍 模具编号： 模穴： 颜色：单位: mm 投影视角 设计： 批准： 审核： 日期： 零件名称： 图纸编号： 版本： 比例： 供应商编号： 64<DIM256 16<DIM64 0<DIM4 4<DIM16 0<ANG180 0.05 0.10 0.15 0.25 0.5 五金类技术要求： 1、所有尺寸为成型尺寸。 2、未注圆角： R0.2-0.3mm。 3、零件不得有批峰，变型，毛刺，表 面 划伤等现象。 4、五金冲裁方向以图中的箭头标示为准。 塑胶类技术要求： 1、所有尺寸为成型尺寸。 2、零件不得有批峰，表面缩 水， 困气,烧焦，夹水纹等现 象。 3、胶件表面效果未注明则为光 面。 4、外型以3D为准。 批 准 签 名 日 期 更 改 描 述 标 记 更 改 记 录 Jim 产品信息 1：1 6.9 3.7 2.0 0.6 0.4 4.1 3.3 2.7 4.6 3.1 1.9 6.2 49.9

Page1of4ReportNo.:MTi251022012-0111 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:FocusH5 Page2of4ReportNo.:MTi251022012-0111 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.:MTi251022012-0111 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.:MTi251022012-0111 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.:MTi251022012-0111E3 DateofIssue: 2025-12-25 Applicant: GuangzhouOnesuzeIntelligentTechnologyCo.,Ltd. Product: onesuzeH5Study&ReciteHeadphones Model(s): FocusH5 FCCID: 2BTV9-H5 ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi251022012-0111E3 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.:MTi251022012-0111E3 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 ApplicantGuangzhouOnesuzeIntelligentTechnologyCo.,Ltd. ApplicantAddress Unit501-02,Building1,No.18DalingShanRoad,TianheDistrict,Guangzhou City,GuangdongProvince,China ManufacturerSkyWingCommunicationElectronicsCo.,Ltd. Manufacturer Address NO.23,XincunRoad,ChigangZone,HumenTown,DongguanCity, Guangdong,China Productdescription ProductnameonesuzeH5Study&ReciteHeadphones TrademarkONESUZE ModelnameFocusH5 SeriesModel(s)N/A Standards47CFRPart2.1093 TestmethodKDB447498D01v06 TestingInformation Dateoftest2025-12-23to2025-12-25 TestResultPass Preparedby:JamesQin Reviewedby:DavidLee Approvedby:LewisLian TESTREPORT ReportNo.:MTi251022012-0111E3 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.:MTi251022012-0111E3 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 power(dBm)calculation 2402 GFSK 0.2…

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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 81 TestReport ReportNo.:MTi251022012-0111E1 Dateofissue:2025-12-25 Applicant:GuangzhouOnesuzeIntelligentTechnologyCo.,Ltd. Product:onesuzeH5Study&ReciteHeadphones Model(s):FocusH5 FCCID:2BTV9-H5 ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi251022012-0111E1 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 81 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......................................................................................17 6.5DwellTime..........................................................................................................................19 6.6RFconductedspuriousemissionsandbandedgemeasurement...................................21 6.7Bandedgeemissions(Radiated)......................................................................................22 6.8Radiatedemissions(below1GHz)....................................................................................25 6.9Radiatedemissions(above1GHz)...................................................................................29 Photographsofthetestsetup...........................................................................................................33 PhotographsoftheEUT.....................................................................................................................34 AppendixA:20dBEmissionBandwidth..........................................................................................36 AppendixB:Maximumconductedoutputpower...........................................................................42 AppendixC:Carrierfrequencyseparation......................................................................................48 AppendixD:Timeofoccupancy.......................................................................................................51 AppendixE:Numberofhoppingchannels.....................................................................................59 AppendixF:Bandedgemeasurements...........................................................................................62 AppendixG:ConductedSpuriousEmission..................................................................................68 TESTREPORT ReportNo.:MTi251022012-0111E1 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 3 of 81 TestResultCertification ApplicantGuangzhouOnesuzeIntelligentTechnologyCo.,Ltd. ApplicantAddress Unit501-02,Building1,No.18DalingShanRoad,TianheDistrict, GuangzhouCity,GuangdongProvince,China ManufacturerSkyWingCommunicationElectronicsCo.,Ltd. Manufacturer Address NO.23,XincunRoad,ChigangZone,HumenTown,DongguanCity, Guangdong,China Productdescription ProductnameonesuzeH5Study&ReciteHeadphones TrademarkONESUZE ModelnameFocusH5 SeriesModel(s)N/A Standards47CFRPart15.247 TestMethod ANSIC63.10-2020+Cor1-2023 KDB558074D0115.247MeasGuidancev05r02 TestingInformation Dateoftest2025-12-23to2025-12-25 TestresultPass Preparedby:JamesQin Reviewedby:DavidLee Approvedby:LewisLian TESTREPORT ReportNo.:MTi251022012-0111E1 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-…

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AntennaSpecific Model：KH211M ManufacturerShenzhenSouthStarTechnologyCo.,Ltd address Floor8,10,16,BuildingC6,HengfengIndustrial City,Hezhou,Xixiang,BaoanDistrict,Shenzhen. Tel0755-2747071 WebsiteWWW.SZ.SOUTHSTAR.COM ElectricalCharacteristic Antenna Type: Line ANT 1、Technical parameter s FrequencyRange2400~2500MHz Efficiency＞50% VSWR＜2 PolarizationLinear Material&MechanicalCharacteristics MaterialofradiatorFPCblack CableTypeΦ0.81mmblack Environmental Operationtemperature-30°C~+50°C Storetemperature-30°C~+85°C 2、AntennaSpecification 3、Antennawaveformpattern UNITmm 4、Efficiencygains： PassiveTestForBT FrequencyVNAETotal.dB(dB)Efficiency 2400MHz1.4654.3% 2410MHz1.4553.03% 2420MHz1.5852.88% 2430MHz1.7852.97% 2440MHz1.8952.56% 2450MHz2.0154.65% 2460MHz2.0453.57% 2470MHz2.2952.03% 2480MHz2.3751.18% 2490MHz2.1151.13% 2500MHz1.7252.82% 5、Direction: 2480.0MHz Total, Eff: 51.18%

Page1of2ReportNo.:MTi251022012-0111 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] Photographsofthetestsetup Model:FocusH5 Page2of2ReportNo.:MTi251022012-0111 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] Radiatedemissions(above1GHz) Radiatedemissions(below1GHz)