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Applicant Declaration QSF27-14-04 Rev 1.0 Rev. Feb 6, 2023 Page 1 of 1 Original Issue: Jan. 4, 2021 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name LG Electronics USA, Inc. Address 111 Sylvan Ave, North Building, Englewood Cliffs, New Jersey, United States. Grantee Code ZNF FCC ID ZNFTONET80S Authorized Contact Name Heejae Cho Contact Email [email protected] Contact Phone 201-266-2215 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare; a)in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b)in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for: (1)labeling the equipment with the exact FCC ID as specified in this application, (2)compliance statement labeling pursuant to the applicable rules, (3)compliance of the equipment with the applicable technical rules, c)if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC’s technical requirements. d)in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e)in accordance with ISO 17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements. (1)the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. (2)the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. (3)the Applicant shall, upon request by SGS, at the Applicant’s expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f)neither the Applicant nor any party to the application is subject to a denial of Federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a “party” for these purposes. g)the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Link to the Covered List: Covered List [LG Electronics USA, Inc.] (“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. [LG Electronics USA, Inc.] (“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, as an entity producing “covered” equipment. Applicant Signature: Date: 2023-10-24 Print Name: Heejae Cho Title: Director, Regulatory and Environment Affairs *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

UNITED STATES DESIGNATED AGENT LETTER Date: 2023-10-17 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Applicant U.S. designated agent Company Name: Company Name: LG Electronics USA, Inc. Grantee Code: FRN: Contact Name: Contact Name: 0020917688 Heejae Cho Address: Address: Telephone: Telephone: 111 Sylvan Ave, North Building, Englewood Cliffs, New Jersey, United States. 201-266-2215 Email: LG Electronics USA, Inc. ZNF Heejae Cho 111 Sylvan Ave, North Building, Englewood Cliffs, New Jersey, United States. 201-266-2215 [email protected] Email: [email protected] Applicable Equipment: FCC ID: < ZNFTONET80S > ATTN: Director of Certification: We, < LG Electronics USA, Inc.> and < LG Electronics USA, Inc.> understand and acknowledge the applicants consent and the designated agent’s obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and e-mail of the designated agent listed above. We, < LG Electronics Inc.> and < LG Electronics USA, Inc. > acknowledge the applicant’s acceptance of its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Applicant/U.S. designated agent Name (Printed): Heejae Cho Title: Director, Regulatory and Environment Affairs Signature:

LG Electronics USA, Inc. Date: 2023-10-24 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: FCC ID: ZNFTONET80S To whom it may concern: We, the undersigned, hereby authorize SGS-CSTC Standards Technical Services Co., Ltd. to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). Where our agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by SGS North America, Inc., still resides with LG Electronics USA, Inc. This authorization is valid until further written notice from the applicant. Title: Director, Regulatory and Environment AffairsPrint Name: Heejae Cho Signature: On behalf of Company: LG Electronics USA, Inc. Telephone: 201-266-2215 E-mail: [email protected]

LG Electronics USA, Inc. TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: Confidentiality Request regarding application for FCC ID: ZNFTONET80S LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions Tune up procedure The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. SHORT TERM CONFIDENTIALITY Additionally, the applicant requests the following documents be held confidential until the device is marketed or 180 days from the grant date, whichever is less. If the device is marketed within aforementioned days of the Grant Date, the applicant will notify the TCB per FCC KDB 726920 D01 Confidentiality Request Procedures. External Photos Internal Photos Test Setup Photos User manual(s) Sincerely, Title: Director, Regulatory and Environment Affairs Print Name: Heejae Cho Signature: On behalf of Company: LG Electronics USA, Inc. Telephone: 201-266-2215 E-mail: [email protected]

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01-A01 Rev. A/0 May15,2023 Page: 1 of 8 Appendix D for SZCR2306001945AT Photographs 1. SAR measurement System 2. Photographs of Tissue Simulate Liquid 3. Photographs of EUT test position 4. EUT Antenna Locations 5. EUT Constructional Details SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01-A01 Rev. A/0 May15,2023 Page: 2 of 8 1. SAR measurement System SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01-A01 Rev. A/0 May15,2023 Page: 3 of 8 2. Photographs of Tissue Simulate Liquid Tissue Simulant Liquid for Head 600M-6GHz SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01-A01 Rev. A/0 May15,2023 Page: 4 of 8 3. Photographs of EUT test position Left side1 0mm Left side2 0mm Left side3 0mm Left side4 0mm SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01-A01 Rev. A/0 May15,2023 Page: 5 of 8 Left side5 0mm Left side6 0mm Right side1 0mm Right side2 0mm SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01-A01 Rev. A/0 May15,2023 Page: 6 of 8 Right side3 0mm Right sid4 0mm Right side5 0mm Right side6 0mm SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01-A01 Rev. A/0 May15,2023 Page: 7 of 8 4. EUT Antenna Locations SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01-A01 Rev. A/0 May15,2023 Page: 8 of 8 5. EUT Constructional Details Details please Refer to Appendix – Photographs of EUT Constructional Details for SZCR2306001945AT.

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-A02 Rev.A/0 Page: 1 of 4 External Photos for SZCR2306001945AT FCC ID: ZNFTONET80S SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-A02 Rev.A/0 Page: 2 of 4 EUT Constructional Details (EUT Photos) SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-A02 Rev.A/0 Page: 3 of 4 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-A02 Rev.A/0 Page: 4 of 4

LG Electronics USA, Inc. Label placement To Federal Communication Commission Equipment Authorization Branch 7 435 Oakland Mills Road Columbia, MID 21046 For the following product, FCC ID: ZNFTONET80S The FCC ID is not affixed on the product itself, but described in the product user manual and the product package due to below reasons. Reasons： The product is too small to put the label on it. Title: Director, Regulatory and Environment AffairsPrint Name: Heejae Cho Signature: On behalf of Company: LG Electronics USA, Inc. Telephone: 201-266-2215 E-mail: [email protected]

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-A03 Rev.A/0 Page: 1 of 7 Internal Photos for SZCR2306001945AT FCC ID: ZNFTONET80S SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-A03 Rev.A/0 Page: 2 of 7 EUT Constructional Details (EUT Photos) SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-A03 Rev.A/0 Page: 3 of 7 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-A03 Rev.A/0 Page: 4 of 7 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-A03 Rev.A/0 Page: 5 of 7 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-A03 Rev.A/0 Page: 6 of 7 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-A03 Rev.A/0 Page: 7 of 7 Antenna - End of the Appendix -

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01 Rev. A/0 May15,2023 Report No.: SZCR230600194504 Page: 1 of 45 Keny Xu EMC Laboratory Manager FCC SAR TEST REPORT Application No.: SZCR2306001945AT Applicant: LG Electronics USA, Inc. Address of Applicant: 111 Sylvan Ave, North Building, Englewood Cliffs, New Jersey, United States Manufacturer: LG Electronics USA, Inc. Address of Manufacturer: 111 Sylvan Ave, North Building, Englewood Cliffs, New Jersey, United States Factory: Cosonic Electroacoustic Technology Co., Ltd. Address of Factory: No.151, Shipai Section, Dongyuan Avenue, Shipai Town, Dongguan City, Guangdong Province, P.R. China. Product Name: Bluetooth Earbuds Model No.(EUT): TONE-T80S, TONE-T90S   Please refer to section 2 of this report which indicates which model was actually tested and which were electrically identical. Trade mark: LG FCC ID: ZNFTONET80S Standard(s) : FCC 47CFR §2.1093 Date of Receipt: 2023-07-13 Date of Test: 2023-07-14 Date of Issue: 2023-07-21 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01 Rev. A/0 May15,2023 Report No.: SZCR230600194504 Page: 2 of 45 Revision Record Version Description Date Remark 00 Original 2023-07-21 / Authorized for issue by: Owen. Xiao/ Project Engineer Eric Fu / Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01 Rev. A/0 May15,2023 Report No.: SZCR230600194504 Page: 3 of 45 TEST SUMMARY Frequency Band Maximum Reported SAR(W/kg) Head Limbs Body BT 0.61 0.17 0.61 SAR Limited(W/kg) 1.6 4.0 1.6 Declaration of EUT Family Grouping: Model No.: TONE-T80S, TONE-T90S Only the model TONE-T80S was tested, since according to the declaration from the applicant, the electrical circuit design, PCB layout, components used and internal wiring and functions were identical for the above models, with only difference on model name and charging case design. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01 Rev. A/0 May15,2023 Report No.: SZCR230600194504 Page: 4 of 45 CONTENTS 1 GENERAL INFORMATION......................................................................................................................... 6 1.1 GENERAL DESCRIPTION OF EUT ............................................................................................................ 6 1.1.1 DUT Antenna Locations .................................................................................................................. 7 1.2 TEST SPECIFICATION............................................................................................................................. 8 1.3 RF EXPOSURE LIMITS ............................................................................................................................ 9 1.4 TEST LOCATION ...................................................................................................................................10 1.5 TEST FACILITY .....................................................................................................................................10 2 LABORATORY ENVIRONMENT ...............................................................................................................11 3 SAR MEASUREMENTS SYSTEM CONFIGURATION ...............................................................................12 3.1 THE SAR MEASUREMENT SYSTEM ........................................................................................................12 3.2 ISOTROPIC E-FIELD PROBE EX3DV4 .....................................................................................................14 3.3 DATA ACQUISITION ELECTRONICS (DAE) ...............................................................................................15 3.4 SAM TWIN PHANTOM ...........................................................................................................................15 3.5 ELI PHANTOM .....................................................................................................................................16 3.6 DEVICE HOLDER FOR TRANSMITTERS.....................................................................................................17 3.7 MEASUREMENT PROCEDURE .................................................................................................................18 3.7.1 Scanning procedure ......................................................................................................................18 3.7.2 Data Storage .................................................................................................................................20 3.7.3 Data Evaluation by SEMCAD ........................................................................................................20 4 SAR MEASUREMENT VARIABILITY AND UNCERTAINTY .....................................................................22 4.1 SAR MEASUREMENT VARIABILITY...........................................................................................................22 4.2 SAR MEASUREMENT UNCERTAINTY ........................................................................................................23 5 DESCRIPTION OF TEST POSITION .........................................................................................................24 5.1 THE TEST POSITION .............................................................................................................................24 6 SAR SYSTEM VERIFICATION PROCEDURE ...........................................................................................25 6.1 TISSUE SIMULATE LIQUID ......................................................................................................................25 6.1.1 Recipes for Tissue Simulate Liquid ................................................................................................2…

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1 Antenna Specification Client： Cosonic Model： TONE-T90S-Ant Project： BT Antenna Ant. Type： monopole Version： V1.0 Date： 2023.06.19 Shenzhen CICENT Co., Ltd. 3 一：Passive test report Angilent E5071C Left Earbuds BT Antenna S11 parameter Shenzhen CICENT Co., Ltd. 4 Right Earbuds BT Antenna S11 parameter BT Antenna efficiency and gain： Left Frequency MHz Gain(dBi) efficiency(dB ) efficiency（%） 2400 -3.41-7.5817.44 2410 -2.86-7.1919.09 2420 -2.57-6.9120.37 2430 -2.16-6.6221.75 2440 -2.00-6.6721.50 2450 -1.79-6.5622.07 2460 -1.84-6.6921.43 2470 -2.52-7.3218.53 2480 -3.28-7.6017.38 Ave. -2.5-7.020.0 Right 2400 -3.27-7.5217.72 2410 -3.03-7.0219.88 2420 -2.55-6.7421.17 2430 -2.46-6.6121.84 2440 -1.99-6.4122.84 2450 -1.97-6.5222.27 2460 -1.78-6.4222.80 2470 -1.78-6.5122.35 2480 -2.40-7.0719.65 Ave. -2.4-6.821.2 Frequency MHz Gain(dBi) efficiency(dB ) efficiency（%） Shenzhen CICENT Co., Ltd. 5 Left earbuds antenna 3D direction diagram： Right earbuds antenna 3D direction diagram： Shenzhen CICENT Co., Ltd. 6 Left earbuds antenna 2D direction diagram： Theta=90.00deg Phi=90.00deg Phi=0.00deg Shenzhen CICENT Co., Ltd. 7 Right earbuds antenna 2D direction diagram Theta=90.00deg Phi=90.00deg Phi=0.00deg Shenzhen CICENT Co., Ltd. 8 二：BT Antenna 3D OTA Data Free space Channel TRP（dBm） TIS（dBm） L CH 0 6.2 -88.5 CH 39 6.4 -89.8 CH 78 5.7 -89.1 Free space Channel TRP（dBm） TIS（dBm） R CH 0 6.0 -89.4 CH 39 6.6 -90.2 CH 78 6.4 -89.8 Head Channel TRP（dBm） TIS（dBm） L CH 0 1.1 -83.8 CH 39 0.7 -84.1 CH 78 0.2 -83.0 Head Channel TRP（dBm） TIS（dBm） R CH 0 0.6 -83.4 CH 39 1.0 -84.3 CH 78 0.8 -84.0 OTA Standard Chamber Shenzhen CICENT Co., Ltd. 9 三：Match Circuit Left Earbuds： Element Value E1(0201) 1.5nH E2(0201) 0Ω E3(0201) N/A E4(0201) 0Ω Right Earbuds Element Value E1(0201) 1.5nH E2(0201) 0Ω E3(0201) N/A E4(0201) 0Ω Shenzhen CICENT Co., Ltd.

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR230600194504 Page: 1 of 1 Appendix C Calibration certificate Equipment Manufacturer Model Serial Number Certificate No: Dipole SPEAG D2450V2 955 Z22-60175 DAE SPEAG DAE3 373 Z22-60555 E-field PROBE SPEAG EX3DV4 3789 Z22-60369

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/0 Aug01,2022 Report No.: SZCR230600194503 Page: 1 of 84 Keny Xu EMC Laboratory Manager TEST REPORT Application No.: SZCR2306001945AT Applicant: LG Electronics USA, Inc. Address of Applicant: 111 Sylvan Ave, North Building, Englewood Cliffs, New Jersey, United States Manufacturer: LG Electronics USA, Inc. Address of Manufacturer: 111 Sylvan Ave, North Building, Englewood Cliffs, New Jersey, United States Factory: Cosonic Electroacoustic Technology Co., Ltd. Address of Factory: No.151, Shipai Section, Dongyuan Avenue, Shipai Town, Dongguan City, Guangdong Province, P.R. China. Equipment Under Test (EUT): EUT Name: Bluetooth Earbuds Model No.: TONE-T80S, TONE-T90S   Please refer to section 2 of this report which indicates which model was actually tested and which were electrically identical. Trade Mark: LG FCC ID: ZNFTONET80S Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2023-06-21 Date of Test: 2023-06-25 to 2023-06-27 Date of Issue: 2023-07-07 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/0 Aug01,2022 Report No.: SZCR230600194503 Page: 2 of 84 Revision Record Version Chapter Date Modifier Remark 01 2023-07-07 Original Authorized for issue by: Bill Chen/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/0 Aug01,2022 Report No.: SZCR230600194503 Page: 3 of 84 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Antenna Requirement 47 CFR Part 15, Subpart C 15.247 N/A 47 CFR Part 15, Subpart C 15.203 & 15.247(b)(4) Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Conducted Peak Output Power 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.9.1 47 CFR Part 15, Subpart C 15.247(b)(3) Pass Minimum 6dB Bandwidth ANSI C63.10 (2013) Section 11.8.1 47 CFR Part 15, Subpart C 15.247a(2) Pass Power Spectrum Density ANSI C63.10 (2013) Section 11.10.2 47 CFR Part 15, Subpart C 15.247(e) Pass Conducted Band Edges Measurement ANSI C63.10 (2013) Section 11.13.3.2 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions ANSI C63.10 (2013) Section 11.11 47 CFR Part 15, Subpart C 15.247(d) Pass Radiated Emissions which fall in the restricted bands ANSI C63.10 (2013) Section 6.10.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Below 1GHz ANSI C63.10 (2013) Section 6.4,6.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Above 1GHz ANSI C63.10 (2013) Section 6.6 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Declaration of EUT Family Grouping: Model No.: TONE-T80S, TONE-T90S Only the model TONE-T80S was tested, since according to the declaration from the applicant, the electrical circuit design, PCB layout, components used and internal wiring and functions were identical for the above models, with only difference on model name and charging case design. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/0 Aug01,2022 Report No.: SZCR230600194503 Page: 4 of 84 3 Contents Page 1 Cover Page ......................................................................................................................................... 1 2 Test Summary ..................................................................................................................................... 3 3 Contents ............................................................................................................................................. 4 4 General Information............................................................................................................................ 6 4.1 Details of E.U.T. ........................................................................................................................... 6 4.2 Description of Support Units ......................................................................................................... 6 4.3 Measurement Uncertainty ............…

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