2A6SR-GLAXFI-N01Glass Diaphragm Neckband Speaker

Rev 1/26/2023 Glass Acoustic Innovations Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Dec. 15, 2025 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2A6SR-GLAXFI-N01 [Glass Acoustic Innovations Co., Ltd.] 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. [Glass Acoustic Innovations Co., Ltd.] certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Device is inherently compliant based on hardware limitations or software controls. or A Software Bill of Materials (SBOM) is provided to the TCB for review, and The end-user or third parties cannot install additional software on this device. Sincerely, (Applicant signature) (Applicant printed name) Leo Ho Rev 1/26/2023 Glass Acoustic Innovations Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Dec. 15, 2025 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2A6SR-GLAXFI-N01 [Glass Acoustic Innovations Co., Ltd.] certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) Leo Ho

1/1 USAgentforServiceofProcessLETTEROFATTESTATION TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USAgentforServiceofProcess: CompanyName:HOPEKCORPORATIONINC Address:16755CoyoteBushDrUnit84,SanDiego,CA92127UnitedStates FRN:0034562900 ContactName:PeterDavis TelephoneNo:561-235-6113 E-mail:[email protected] ThisletteristoconfirmthattheUSAgentforServiceofProcessacceptsresponsibilitytoactas alocalrepresentativeonbehalfofGlassAcousticInnovationsCo.,Ltd. TheUSAgentforServiceofProcessisawareofandagreestocomplywiththerequirements outlinedintheFCCEquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause §2.911. Applicant: CompanyName:GlassAcousticInnovationsCo.,Ltd. ProductDescription:GlassDiaphragmNeckbandSpeaker FRN:0032381907 GranteeCode:2A6SR FCCID:2A6SR-GLAXFI-N01 ContactName:LeoHo Address:4F.,No.13,Qiao’anStreet,ZhongheDistrict,NewTaipeiCity,235026Taiwan(R.O.C.) TelephoneNo:+886282581239 E-mail:[email protected] TheApplicantisawareofandagreestocomplywiththerequirementsoutlinedintheFCC EquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause§2.911. ThisAgreementisvaliduntil(Permanentlyvalid). Date:2026/01/22 Applicant’sName: GlassAcousticInnovationsCo.,Ltd. USAgentforServiceofProcess’sName: HOPEKCORPORATIONINC Title:ManagerTitle:Manager SignatureSignature

Inverted F Antenna Specification Summary ITEMANT SPEC Antenna type PCB Antenna HorizontalVertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 1 5.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Add ress: No. 333, Kexing Road, Xiangzhou District, Zhuhai City Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dBi) Frequency (MHz) MaxMinAvg 2400-1.26174-30.0801-7.18716 2450-0.765802-36.5604-7.48023 2500-0.585582-22.0315-6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dBi) Frequency (MHz) MaxMinAvg 2400-5.2537-22.1424-12.4294 2450-2.4652-24.5837-10.4702 2500-1.86120-29.5214-9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Glass Acoustic Innovations Co., Ltd. Family models declaration letter Nov. 25, 2025 We Glass Acoustic Innovations Co., Ltd. Of 4F., No. 13, Qiao’an Street, Zhonghe District, New Taipei City, 235026 Taiwan (R.O.C.) Declare under our sole responsibility that the product FCC ID: 2A6SR-GLAXFI-N01 Product: Glass Diaphragm Neckband Speaker Model Number: GlaXfi-N01, GlaXfi-N02, GlaXfi-N03, GlaXfi-N04, GlaXfi-NW25, GlaXfi-NW26, GlaXfi-NW27, GlaXfi-N28, EBS-906 All the models are the same circuit and module, except the colour and model No.. Leo Ho/ Manager E-mail : [email protected] Phone : +886282581239 Fax : N/A Address : 4F., No. 13, Qiao’an Street, Zhonghe District, New Taipei City, 235026 Taiwan (R.O.C.)

Effective Date: April 2, 2020 QSF 7.6.4-8 – Agent Authorization Letter Template Page 1 of 1 Revision Date: Revision: 0 Glass Acoustic Innovations Co., Ltd. Date: Dec. 15, 2025 Product Model Number: GlaXfi-N01, GlaXfi-N02, GlaXfi-N03, GlaXfi-N04, GlaXfi-NW25, GlaXfi-NW26, GlaXfi-NW27, GlaXfi-N28, EBS-906 FCC ID: 2A6SR-GLAXFI-N01 To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following:  Testing  Approval applications and procedures We declare that QAI Laboratories Ltd. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by QAI Laboratories Ltd. on our behalf shall have the same effect as acts of our own. By: Contact Listed on FCC Wesbite Title: Manager Email: [email protected] Telephone: +886282581239 On behalf of: Glass Acoustic Innovations Co., Ltd.

Glass Acoustic Innovations Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: January 22, 2026 Subject; Request for Confidentiality FCC ID: 2A6SR-GLAXFI-N01 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure Software Security Requirements for UNII devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Leo Ho Title: Manager

Ext Photos Model: GlaXfi-N01 Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 Photo 7 Photo 8

Int Photos Model: GlaXfi-N01 Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 ANT

- Page 1 of 9 - Report No.: HB20251208004E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com RF EXPOSURE Test Report Product: Glass Diaphragm Neckband Speaker Trade Mark: GlaXfi Model Number: GlaXfi-N01 FCC ID: 2A6SR-GLAXFI-N01 Prepared for Glass Acoustic Innovations Co., Ltd. 4F., No. 13, Qiao’an Street, Zhonghe District, New Taipei City, 235026 Taiwan (R.O.C.) Prepared by Shenzhen HongBiao Certification& Testing Co., Ltd Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen, China Tel.: +86-755-2998 9321 Fax.: +86-755-2998 5110 Website: http://www.sz-hongbiao.com - Page 2 of 9 - Report No.: HB20251208004E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Table of Contents 1 GENERAL DESCRIPTION ................................................................................................................................... 5 1.1 DESCRIPTION OF EUT ................................................................................................................................................ 5 1.2 TEST MODE .............................................................................................................................................................. 5 1.3 TEST SETUP .............................................................................................................................................................. 5 1.4 ANCILLARY EQUIPMENT .............................................................................................................................................. 5 2 TEST FACILITIES AND ACCREDITATIONS ............................................................................................................ 6 2.1 TEST LABORATORY ..................................................................................................................................................... 6 2.2 ENVIRONMENTAL CONDITIONS ..................................................................................................................................... 6 2.3 MEASUREMENT UNCERTAINTY ..................................................................................................................................... 6 2.4 TEST SOFTWARE ........................................................................................................................................................ 6 3 LIST OF TEST EQUIPMENT ................................................................................................................................ 7 4 RF EXPOSURE .................................................................................................................................................. 8 4.1 STANDALONE SAR TEST EXCLUSION CONSIDERATIONS........................................................................................................ 8 4.1.1. Limit ............................................................................................................................................................ 8 4.1.2. Test Procedures ........................................................................................................................................... 8 4.1.3. Test Result ................................................................................................................................................... 9 - Page 3 of 9 - Report No.: HB20251208004E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com TEST RESULT CERTIFICATION Applicant’s Name ................. : Glass Acoustic Innovations Co., Ltd. Address ................................. : 4F., No. 13, Qiao’an Street, Zhonghe District, New Taipei City, 235026 Taiwan (R.O.C.) Manufacturer's Name .......... : SHENZHEN EPOCH DEVELOPMENT ELECTRONICS CO.,LTD. Address ................................. : 701 of 7th Floor, C12 Building, Fuyuan Industrial zone, No. 598 of Zhoushi Road, Jiuwei, Baoan, Shenzhen China Product description Product name ........................ : Glass Diaphragm Neckband Speaker Model Number ....................... : GlaXfi-N01 Standards ............................. : FCC CFR 47 PART 1 , 1.1310 Test procedure ....................... : KDB 447498 D01 General RF Exposure Guidance v06 This device described above has been tested by Shenzhen HongBiao Certification& Testing Co., Ltd and the test results show that the equipment under test (EUT) is in compliance with the EMC requirements. And it is applicable only to the tested sample identified in the report. Date of Test ............................................ : Date (s) of performance of tests ............. : Dec. 08, 2025~Dec. 15, 2025 Test Result ............................................... : Pass Testing Engineer : (Zoe Su) Technical Manager : ( M i n g L i u) Authorized Signatory : (L e o S u) - Page 4 of 9 - Report No.: HB20251208004E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Revision History Revised No. Date of Issue Description 01 Dec. 15, 2025 Original - Page 5 of 9 - Report No.: HB20251208004E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com 1 General Descri…

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- Page 1 of 69 - Report No.: HB20251208004E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Test Report Product: Glass Diaphragm Neckband Speaker Trade Mark: GlaXfi Model Number: GlaXfi-N01 FCC ID: 2A6SR-GLAXFI-N01 Prepared for Glass Acoustic Innovations Co., Ltd. 4F., No. 13, Qiao’an Street, Zhonghe District, New Taipei City, 235026 Taiwan (R.O.C.) Prepared by Shenzhen HongBiao Certification& Testing Co., Ltd Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen, China Tel.: +86-755-2998 9321 Fax.: +86-755-2998 5110 Website: http://www.sz-hongbiao.com - Page 2 of 69 - Report No.: HB20251208004E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Table of Contents 1 GENERAL DESCRIPTION ................................................................................................................................... 6 1.1 DESCRIPTION OF EUT ................................................................................................................................................ 6 1.2 TEST MODE .............................................................................................................................................................. 6 1.3 OPERATION CHANNEL LIST .......................................................................................................................................... 6 1.4 TEST SETUP .............................................................................................................................................................. 7 1.5 POWER SETTING CONFIGURATION PARAMETERS ............................................................................................................... 7 1.6 ANCILLARY EQUIPMENT .............................................................................................................................................. 8 2 SUMMARY OF TEST RESULT ............................................................................................................................. 9 3 TEST FACILITIES AND ACCREDITATIONS .......................................................................................................... 10 3.1 TEST LABORATORY ................................................................................................................................................... 10 3.2 ENVIRONMENTAL CONDITIONS ................................................................................................................................... 10 3.3 ME ASUREMENT UNCERTAINTY ................................................................................................................................... 10 3.4 TE ST SOFTWARE ...................................................................................................................................................... 11 4 LIST OF TEST EQUIPMENT .............................................................................................................................. 12 5 TEST ITEM AND RESULTS ............................................................................................................................... 14 5.1 ANTENNA REQUIREMENT .......................................................................................................................................... 14 5.1.1 Standard Requirement ............................................................................................................................. 14 5.1.2 Test Result ................................................................................................................................................. 14 5.2 CONDUCTED EMISSION ............................................................................................................................................. 15 5.2.1 Limits ........................................................................................................................................................ 15 5.2.2 Test Procedures ......................................................................................................................................... 15 5.2.3 Test Setup.................................................................................................................................................. 16 5.2.4 Test Result ................................................................................................................................................. 16 5.3 RADIATED EMISSION ................................................................................................................................................ 19 5.3.1 Limits ........................................................................................................................................................ 19 5.3.2 Test Procedures ......................................................................................................................................... 19 5.3.3 Test Setup.................................................................................................................................................. 19 5.3.4 Test Result ................................................................................................................................................. 20 5.3.5 Radiated Band Edge ................................................................................................................................. 25 5.4 PEAK OUTPUT POWER ................................................................................................ ...........…

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Photographs of the Test Setup Model: GlaXfi-N01 Radiated Emission Below 1GHz Radiated Emission Above 1GHz Conducted emission