2BDBE-HARDWIRESANWEAR HARDWIRE

SAN SOUND CORPORATION 928 Campbell St, Williamsport, Pennsylvania 17701, United States Applicant as U.S. Agent Letter of Attestation Date: 03-19-2026 To: Federal Communications Commission 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Attestation Statement – Part2.911(d)(7) filing FCC ID: 2BDBE-HARDWIRE SAN SOUND CORPORATION (“t he applicant”)as required by section 2.911(d)(7), will also serve as the agent for service of process for the above referenced FCC ID. The applicant acknowledges that they will 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 administrative or judicial proceeding involving the equipment, whichever is later. The applicant further acknowledges their responsibility to inform the FCC whenever the agent information changes. Designated U.S. Agent from Applicant Company Company Name: SAN SOUND CORPORATION FRN: 0038072104 Contact Person: David Leung Address: 928 Campbell St, Williamsport, Pennsylvania 17701, United States Tel.: +1 570 916-1092 Email: [email protected] Sincerely yours, Signature Printed Name: David Leung Title: Manager Email: [email protected]

SAN SOUND CORPORATION 928 Campbell St, Williamsport, Pennsylvania 17701, United States Attestation Statements Not Covered EntityApplicant &Not Covered Equipment To: Federal Communications CommissionDate: Mar. 19, 26 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i)& (ii) FCC ID: 2BDBE-HARDWIRE SAN SOUND CORPORATION (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List, established pursuant to § 1.50002 of reference chapter, as an entity producing “covered” communication equipment. The equipment for which authorization is sought is not “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List that prohibited from receiving an equipment authorization pursuant to section § 2.903of the FCC rules. Sincerely yours, Applicant Signature Printed Name: David Leung Title: Manager Address: 928 Campbell St, Williamsport, Pennsylvania 17701, United States Tel.: +1 570 916-1092 Email: [email protected]

SAN SOUND CORPORATION 928 Campbell St, Williamsport, Pennsylvania 17701, United States 1| Page Attestation Statements To: Federal Communications Commission Date: Mar. 19, 26 7435 Oakland Mills Road, Columbia, MD 21046, USA Subject: Attestation of Compliance with FCC Covered List Software Requirements FCC ID: 2BDBE-HARDWIRE Product Name: SANWEAR HARDWIRE This letter serves as an attestation that the equipment identified above ☐ is / ☒ is not (select one) "covered" software as defined under the Federal Communications Commission (FCC) Covered List requirements, as outlined in FCC 22-84 and KDB 986446. Specifically, the undersigned certifies that the equipment for which authorization is sought: 1. Does not contain cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors, assignees, parents, subsidiaries, affiliates, or any entity that has rebranded or relabeled software produced by the aforementioned entities. 2. Does not have the capability to store, run, or deliver any software identified on the FCC Covered List, including but not limited to cybersecurity and anti-virus software. To support this attestation, the appendixevaluation documentation has been prepared and is included in the certification filing. This attestation is based on a thorough evaluation of the device's design, functionality, and software environment. The undersigned affirms that the information provided is accurate and complete to the best of their knowledge. Sincerely yours, Appl icant Signature Printed Name: David Leung Title: Manager Address: 928 Campbell St, Williamsport, Pennsylvania 17701, United States Tel.: +1 570 916-1092 Email: [email protected] SAN SOUND CORPORATION 928 Campbell St, Williamsport, Pennsylvania 17701, United States 2| Page Evaluation regarding to the Covered List Software: Compliance Methodology Evaluation Process Results Device is Inherent compliance ☑ The Chipset(s) used is limited to run the Cybersecurity or anti-virus software. Compliance ☑ The Memory used is limited to run the Cybersecurity or anti-virus software. Compliance ☑ There is storage capacitylimitation for store or install the Cybersecurity or anti-virus software. Compliance ☑ Operatingsystem used is limited to run, install or deliver the Cybersecurity or anti-virus software. Compliance Device is not Inherent compliance ☐ Evaluation Based on Software Bill of Materials (SBoM) See attached “SBoM“ Note:The SBoM content is limited to the scope of covered list software (e.g. antivirus and cybersecurity software). ☐ Evaluation Based on Scan for Software on the device ☐ Evaluation Based on Filesystem scan ☐ Evaluation Based on Running software check

SAN SOUND CORPORATION 928 Campbell St, Williamsport, Pennsylvania 17701, United States Statement Product: SANWEAR HARDWIRE Model: GT2 hardwire Additional Model: Sanwear GT2 Trademark: SAN FCC ID: 2BDBE-HARDWIRE We hereby state that GT2 hardwire is tested model, other models are derivative models. The models are identical in circuit and PCB layout, only different on the model names. So the test data of GT2 hardwire can represent the remaining models. Your assistance on this matter is highly appreciated. Yours sincerely, Signature: Date: 2026/03/19 Name: David Leung Company Name : SAN SOUND CORPORATION Address: 928 Campbell St, Williamsport, Pennsylvania 17701, United States Tel / Fax: +1 570 916-1092/+1 570 737 4129 E-Mail: [email protected]

SAN SOUND CORPORATION 928 Campbell St, Williamsport, Pennsylvania 17701, United States 03.19.2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request for: FCC ID: 2BDBE-HARDWIRE Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby requestpermanent confidential treatment of the exhibits accompanying thiscertification application as outlined below :  Block Diagram  Schematics  Operational Description The above exhibits contain trade secrets and/or proprietary information that are not publicly available and materials that the Applicant has spent considerable efforts in developing. Public disclosure of these may be harmful to the Applicant and give an unfair advantage to competitors on the market. Pursuant to DA 04-1705, the applicant also requests temporary confidential treatment of the exhibits outlined below for a period of (180)days from the date of equipment authorization and prior to marketing in the United States to prevent the premature release of any sensitive information. Applicant is aware of their responsibility to notify DERYCOMin the event information regarding the product or the product is made available to the public before the requested period has expired.  User Manual  Internal Photos  External Photos  Test Setup Photos Sincerely, (Signature) Printed Name: David Leung Title: Manager Address: 928 Campbell St, Williamsport, Pennsylvania 17701, United States Tel.: +1 570 916-1092 Email: [email protected]

SAN SOUND CORPORATION 928 Campbell St, Williamsport, Pennsylvania 17701, United States (03.19.2026) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization for FCC ID: 2BDBE-HARDWIRE I, the undersigned, hereby authorize (SHENZHEN TONGCE TESTING LAB) to act on our behalfin all matters relating to this application for equipment certification. Any act carried out by (SHENZHEN TONGCE TESTING LAB) shall have the same effect as our own and I acknowledge that all responsibility for complying with the terms and conditions of certification, as specified by DERYCOM CERTIFICATION SERVICES, INC., still resides with (SAN SOUND CORPORATION). We certify that we are not subject to a denial of federal benefits that includes FCC benefitspursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862, and that no partyto the application, as defined in 47 CFR §1.2002(b), is subject to a denial of federal benefits that includes FCC benefits pursuant to that section. Sincerely, (Signature) Name: David Leung Title: Manager Tel.: +1 570 916-1092 Fax: +1 570 737 4129 Email: [email protected]

Label Artwork and Location Model: GT2 hardwire Label: Size: L*W=9*3mm Location FCC ID: 2BDBE-HARDWIRE

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2BDBE-HARDWIRE Test Report No. ............... : TCT260119E010 Date of issue ................... : Feb. 02, 2026 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory, Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : SAN SOUND CORPORATION Address ........................... : 928 Campbell St, Williamsport, Pennsylvania 17701, United States Manufacturer's name ... : SAN SOUND CORPORATION Address ........................... : 928 Campbell St, Williamsport, Pennsylvania 17701, United States Standard(s) ..................... : KDB 447498 D01 General RF Exposure Guidance v06 FCC CFR Title 47 Part 2.1093 Product Name ................. : SANWEAR HARDWIRE Trade Mark ...................... : SAN Model/Type reference..... : GT2 hardwire, Sanwear GT2 Rating(s).......................... : DC 5V, 30 mA Date of receipt of test item ......................................... : Jan. 19, 2026 Date (s) of performance of test ................................... : Jan. 19, 2026 ~ Feb. 02, 2026 Tested by (+signature) ... : Yannie ZHONG Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT260119E010 Page 2 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 2. General Information ................................................................................. 4 2.1. Test environment and mode ................................................................................. 4 2.2. Description of Support Units ................................................................................ 4 3. Facilities and Accreditations .................................................................. 5 3.1. Facilities ................................................................................................................. 5 3.2. Location ................................................................................................................. 5 4. Test Results and Measurement Data ..................................................... 6 Report No.: TCT260119E010 Page 3 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : SANWEAR HARDWIRE Model/Type reference........... : GT2 hardwire Sample Number....................: TCT260119E009-0101 Operation Frequency ........... : 2402MHz~2480MHz Modulation Type ................... : GFSK, π/4-DQPSK, 8DPSK Antenna Type ........................ : Chip Antenna Antenna Gain ........................ : -9.36dBi Rating(s)................................ : DC 5V, 30 mA Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list No. Model No. Tested with 1 GT2 hardwire Other models Sanwear GT2 Note: GT2 hardwire is tested model, other models are derivative models. The models are identical in circuit and PCB layout, only different on the model names. So the test data of GT2 hardwire can represent the remaining models. Report No.: TCT260119E010 Page 4 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. General Information 2.1. Test environment and mode Item Normal condition Temperature +25ºC Voltage DC 5V Humidity 56% Atmospheric Pressure: 1008 mbar Test Mode: Engineering mode: Keep the EUT in continuous transmitting by select channel 2.2. Description of Support Units The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Equipment Model No. Serial No. FCC ID Trade Name / / / / / Note: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 3. For conducted measurements (Output Power, 20dB Occupied Bandwidth, Carrier Frequencies Separation, Hopping Channel Number, Dwell Time, Spurious Emissions), the antenna of EUT is connected to the test equipment via temporary antenna connector, the antenna connector is soldered on the antenna port of EUT, and the temporary antenna connector is listed in the Test Instruments. Report No.: TCT260119E010 Page 5 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. Facilities and Accreditations 3.1. Facilities The test facility is recognized, certified, or accredited by the following organizations: ● FCC - Registration No.: 645098 SHENZHEN TONGCE TESTING LAB Designation Number: CN1205 The testing lab has been registered and fully described in a report with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. ● A2LA-No.: 4320.01 SHENZHEN TONGCE TESTING LAB The testing lab has been accr…

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Antenna Test Report 1 Customer Project Antenna Revisio GT2 n Prepared by Checked by Date:2026.1.22 Sequence NumberTest Itemequipment S parameterVSWRAgilent 5071C & Agilent 5062A OTA TestTRP&TIS Agilent 8960 E5515C& Agilent 4438C&CMW500 &CMW270 ETS&SATIMO Gain & Efficiency Gain & Efficiency ETS&SATIMO Agilent 5071C 2.Test System 4 5 3.m a t c h Test Result S11 Parameter 6 Gain&Efficiency 7 Test Result- Test Result- 2 3D Pattern Antenna size:AAN2012F0P2G45 7 prototype images OTA DATA 1 1 Shenzhen Yongyun Technology Co., Ltd. Room 411, Building C, Hongdu Business Building, Fanshen Road, Bao'an District 45, Shenzhen City

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2BDBE-HARDWIRE Test Report No. ............... : TCT260119E009 Date of issue ................... : Feb. 02, 2026 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory, Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : SAN SOUND CORPORATION Address ........................... : 928 Campbell St, Williamsport, Pennsylvania 17701, United States Manufacturer's name ... : SAN SOUND CORPORATION Address ........................... : 928 Campbell St, Williamsport, Pennsylvania 17701, United States Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 FCC KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2020 Product Name ................. : SANWEAR HARDWIRE Trade Mark ...................... : SAN Model/Type reference..... : GT2 hardwire, Sanwear GT2 Rating(s).......................... : DC 5V, 30 mA Date of receipt of test item ......................................... : Jan. 19, 2026 Date (s) of performance of test ................................... : Jan. 19, 2026 ~ Feb. 02, 2026 Tested by (+signature) ... : Yannie ZHONG Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT260119E009 Page 2 of 85 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 1.3. Operation Frequency ............................................................................................ 4 2. Test Result Summary .............................................................................. 5 3. General Information ................................................................................. 6 3.1. Test environment and mode ................................................................................. 6 3.2. Description of Support Units ................................................................................ 7 4. Facilities and Accreditations .................................................................. 8 4.1. Facilities ................................................................................................................. 8 4.2. Location ................................................................................................................. 8 5. Measurement Uncertainty ....................................................................... 8 6. Test Results and Measurement Data ..................................................... 9 6.1. Antenna requirement ............................................................................................ 9 6.2. Conducted Emission ........................................................................................... 10 6.3. Conducted Output Power ................................................................................... 11 6.4. 20dB Occupy Bandwidth .................................................................................... 12 6.5. Carrier Frequencies Separation ......................................................................... 13 6.6. Hopping Channel Number .................................................................................. 14 6.7. Dwell Time ............................................................................................................ 15 6.8. Pseudorandom Frequency Hopping Sequence ................................................ 16 6.9. Conducted Band Edge Measurement ................................................................ 17 6.10.Conducted Spurious Emission Measurement .................................................. 18 6.11.Radiated Spurious Emission Measurement ..................................................... 19 Appendix A: Test Result of Conducted Test Appendix B: Photographs of Test Setup Appendix C: Photographs of EUT Report No.: TCT260119E009 Page 3 of 85 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : SANWEAR HARDWIRE Model/Type reference........... : GT2 hardwire Sample Number....................: TCT260119E009-0101 Bluetooth Version ................ : V6.0 Operation Frequency ........... : 2402MHz~2480MHz Transfer Rate ........................ : 1/2/3 Mbits/s Number of Channel .............. : 79 Modulation Type ................... : GFSK, π/4-DQPSK, 8DPSK Modulation Technology ....... : FHSS Antenna Type ........................ : Chip Antenna Antenna Gain ........................ : -9.36dBi Rating(s)................................ : DC 5V, 30 mA Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list No. Model No. Tested with 1 GT2 hardwire Other models Sanwear GT2 Note: GT2 hardwire is tested model, other models are derivative models. The models are identical in circuit and PCB layout, only different on the model names. So the test data of GT2 hardwire can represent the remaining models. Report No.: TCT260119E009 Page 4 …

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