AK8YY2964Wireless Stereo Headset

Sony Global Manufacturing & Operations Corporation Date: August 20, 2024 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(5) Attestation FCC ID: AK8YY2964 Sony Group Corporation (“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. Sony Group Corporation (“the applicant”) 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 and is not an affiliate or subsidiary of an entity identified on the Covered List. Sincerely yours, Hideo Nomura Sony Global Manufacturing & Operations Corporation

Date: 5/22/2023 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(7) FCC US Agent Letter of Attestation Grantee Code: AK8 Grantee FRN: 0003739166 To whom it may concern: FCC US Agent Sony Electronics Inc. FCC FRN: 0033408097 Mr. Mark Arthurs 16535 Via Esprillo San Diego California, 92127 [email protected] This letter is to confirm that we have accepted the responsibility to act as US Agent on behalf of Sony Group Corporation (“the applicant”) for the above referenced Grantee Code. We are aware of the requirements and responsibilities of the applicant’s agent for service of process as outlined in the FCC section 2.911(d)(7) and Report and Order FCC 22-84 paragraph 63. Sincerely, Mark Arthurs Staff EMC Engineer Sony Electronics Inc.

Sony Group Corporation Date: 5/22/2023 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(7) Agent Designation Attestation Grantee Code: AK8 Grantee FRN: 0003739166 Sony Group Corporation (“the applicant”) as required by section 2.911(d)(7), designates the f ollowing agent, located in the United States, for purposes of acting as the applicant’s agent for service of process. 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 proceeding involving the equipment. The applicant further acknowledges their responsibility under CFR 47 §2.929(c) to inform the FCC whenever the agent information changes. U.S. Agent Information: Mr. Mark Arthurs Sony Electronics Inc. FCC FRN: 0033408097 16535 Via Esprillo San Diego California, 92127 [email protected] Sincerely yours, Name: Kazuyuki Hori Job Title: Chief EMC/RF Compliance Specialist Company Name: Sony Group Corporation

Sony Global Manufacturing & Operations Corporation Letter of Authorization Date: January 18, 2024 UL Verification Services Inc. 47173 Benicia Street, Fremont, CA 94538 Applicant: Sony Group Corporation FCC ID: AK8YY2964 To whom it may concern: We, the undersigned, hereby authorize Akiko Nishimura of Consumer, Medical & Information Technologies Division, UL Japan, Inc. to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by UL Japan, Inc. 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. 862. This authorization is valid until further written notice from the applicant. The application for the subject equipment has not been submitted to another TCB for certification. Sincerely Yours, Hideo Nomura Sony Global Manufacturing & Operations Corporation

Sony Global Manufacturing & Operations Corporation Request for Confidentiality Date: January 18, 2024 UL Verification Services Inc. 47173 Benicia Street, Fremont, CA 94538 Applicant : Sony Group Corporation FCC ID : AK8YY2964 To whom it may concern: Please be advised that the following information is to be held confidential on behalf of us, referring to the FCC rules 0.457 and 0.459: Block Diagram Th eory of Operation Schematics Tune up Info T he application contains technical information which we deem to be trade secrets and proprietary. If made public, the information might be used to the disadvantage of the applicant in the market place. Thank you for your attention to this matter. Sincerely, Hideo Nomura Sony Global Manufacturing & Operations Corporation

Sony Global Manufacturing & Operations Corporation Request for Short-Term Confidentiality Date: January 18, 2024 UL Verification Services Inc. 47173 Benicia Street, Fremont, CA 94538 Applicant : Sony Group Corporation FCC ID : AK8YY2964 To whom it may concern: Please be advised that the following information is to be held in confidence for 180 days from the date of the Grant of Equipment Authorization based on the FCC rules 0.457 and 0.459: External Photos Internal Photos Test Setup Photos User Manual The application contains technical information, which we deem to be trade secrets and proprietary. If made public, the information might be used to the disadvantage of the applicant in the market place. Thank you for your attention to this matter. Sincerely, ____________________________________ Hideo Nomura Sony Global Manufacturing & Operations Corporation

Sony Group Corporation Special Power of Attorney I, Kazuyuki Hori of Sony Group Corporation, hereby appoint Hideo Nomura of Sony Global Manufacturing & Operations Corporation to represent me to act on my behalf to do any and all of the following. Sign on my behalf the agency, anti-drug and confidentiality cover letters and apply to FCC for the products. The rights, powers and authority in fact to exercise any and all of the rights and powers herein granted shall commence and be in full force from April 1, 2021 and continue to be effective unless specifically terminated by either party. Dated April 1, 2021 Kazuyuki Hori Company: Sony Group Corporation Country: Japan

FCC IDLocation Bottom of the charging case MODEL :YY2964 FCC ID : AK8YY2964 IC : 409B-YY2964 Note. Since headsets is too small and there is no space, it is described in charging case and manual.

Test Report No. 15096685S- A-R1 Page 1 of 23 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN / Telephone: +81 463 50 6400 SAR Test Report Test Report No. 15096685S-A-R1 Customer Sony Group Corporation Description of EUT Wireless Stereo Headset Model Number of EUT YY2964 FCC ID AK8YY2964 Test Regulation FCC 47CFR 2.1093 Test Result Complied Issue Date March 12, 2024 Remarks - Representative Test Engineer Approved By Hiroshi Naka Engineer Toyokazu Imamura Engineer CERTIFICATE 1266.03 The testing in which "Non-accreditation" is displayed is outside the accreditation scopes in UL Japan, Inc. There is no testing item of "Non-accreditation". Report Cover Page -Form-ULID-003532 (DCS:13-EM-F0429) Issue# 23.0 (SAR Revision-v23.3sar240122) Test Report No. 15096685S- A-R1 Page 2 of 23 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN / Telephone: +81 463 50 6400 ANNOUNCEMENT REVISION HISTORY Original Test Report No.: 15096685S-A-R1 This report is a revised version of 15096685S-A-R1. 15096685S-A is replaced with this report. Revision Test Report No. Date Page Revised Contents - (Original) 15096685S-A March 7, 2024 - R1 15096685S-A-R1 March 12 2024 P5, 2.2) Corrected mistake. BW of EDR corrected to 1 MHz. (was)(new) P8, 4.1) Corrected mistake. BW of EDR corrected to 1 MHz. (was) (new) P9, 5.1) Corrected mistake. Comment of 5th duty-cycle plot; (was) BT LE(PHY1), on time/1 cycle=(1.078/1.873)ms, 57.6 % (corrected) BT LE(PHY2), on time/1 cycle=(1.078/1.873)ms, 57.6 %. P11, 7.1) Corrected mistake. Corrected max tune-up limit of EDR (0ch), Duty value of BT LE (1Mbps) and calculated reported SAR 1g of BT LE (1Mbps) (0ch). (was) (new) P21, Appendix 3-2-2) Corrected mistake. Change the SAR 10g target value to the correct value. (was)(new)  This test report shall not be reproduced in full or partial, without the written approval of UL Japan, Inc.  The results in this report apply only to the sample tested.  This sample tested is in compliance with the limits of the above regulation.  The test results in this test report are traceable to the national or international standards.  This test report must not be used by the customer to claim product certification, approval, or endorsement by the A2LA accreditation body.  This test report covers Radio technical requirements. It does not cover administrative issues such as Manual or non-Radio test related Requirements. (if applicable)  The all test items in this test report are conducted by UL Japan, Inc. Shonan EMC Lab.  The opinions and the interpretations to the result of the description in this report are outside scopes where UL Japan, Inc. has been accredited.  The information provided by the applicant for this report is identified in Section 1.  The laboratory is not responsible for information provided by the customer which can impact the validity of the results.  For test report(s) referred in this report, the latest version (including any revisions) is always referred. Test Report No. 15096685S- A-R1 Page 3 of 23 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN / Telephone: +81 463 50 6400 Reference : Abbreviations (Including words undescribed in this report) (radio_r0v09s06_230726) A2LA The American Association for Laboratory Accreditation JAB Japan Accreditation Board AC Alternating Current LAN Local Area Network AFH Adaptive Frequency Hopping LIMS Laboratory Information Management System AM Amplitude Modulation MCS Modulation and Coding Scheme Amp, AMP Amplifier MIMO Multiple Input Multiple Output (Radio) ANSI American National Standards Institute MPE Maximum Permissible Exposure Ant, ANT Antenna MRA Mutual Recognition Arrangement AP Access Point MU-MIMO Multi-User Multiple Input Multiple Output (Radio) APD Absorbed Power Density N/A Not Applicable, Not Applied ASK Amplitude Shift Keying NII National Information Infrastructure (Radio) Atten., ATT Attenuator NIST National Institute of Standards and Technology AV Average NR New Radio BPSK Binar y Phase-Shift Keying NS No signal detect. B R Bluetooth Basic Rate NSA Normalized Site Attenuation BT Bluetoot h OBW Occupied Band Width BT L E Bluetooth Low Energy OFDM Orthogonal Frequency Division Multiplexing BW BandWidt h PD Power Density Cal In t Calibration Interval P/M Power meter CCK Complementar y Code Keying PCB Printed Circuit Board CDD C yclic Delay Diversity PER Packet Error Rate CF R Code of Federal Regulations PHY Physical Layer Ch., CH Channel PK Pea k CISP R Comite International Special des Perturbations Radioelectriques PN Pseudo random Noise CW Continuous Wav e PRBS Pseudo-Random Bit Sequence DBPSK Differential BPSK PSD Power Spectral Densit y D C Direct Current QAM Quadrature Amplitude Modulation D -factor Distance factor QP Quasi-Peak DF S Dynamic Frequency Selection QPSK Quadrature Phase Shift Keying DQPSK Differential QPSK RBW Resolution Band Widt h DSS S Direct Sequence Spread Spectrum RDS Radio Data System DUT Device Under Tes t RE Radio Equipment ED R Enhanced Data Rate RF Radio Frequency EIRP, e.i.r.p. Equivalent Isotropicall y Radiated Power RMS Root Mean Square EM C ElectroMagnetic Compatibility RSS Radio Standards Specifications EMI ElectroMa gnetic Interference RU Resource Unit EN European Norm R x Receiving ERP, e.r.p. Effective Radiated Powe r SA, S/A Spectrum Analyzer ETSI European Telecommunications Standards Institut e SAR Specific Absorption Rate EU European Unio n SDM Space Division Multiplexing EUT Equipment Under Tes t SISO Single Input Single Output (Radio) Fac. Facto r SG Signal Generator FC C Federal Communications Commission SPLSR SAR to Peak Location Separation Ratio FHS S Frequency Hopping Spread Spectrum SVSWR Site-Voltage Standing Wave Ratio FM Frequenc y Modulation TER Total Exposure Ratio Freq. Frequenc y TSL Tissue Simulation Liquid FSK Frequenc y Shift Keying T/R Test Receiver GFSK Gaussian Frequenc y-Shift Keying Tx …

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FCC Part 15 Antenna Gain Test Report FCC ID:AK8YY2964 Type of Equipment:Radio Equipment Model No.:YY2964 Similar Model(s) to be covered by this report: N/A Test Facility:Sony Global Manufacturing & Operations Corporation EMC/RF Test Laboratory, Main Lab. 8-4 Shiomi Kisarazu-shi Chiba-ken, 292-0834, Japan Date of Testing:November 13, 2023 Date of Issue:November 14, 2023 Reported by:Approved Signatory: Yuki Furuse(Technical Engineer)Teruya Maeda(Technical Manager) 2 1. Measurement Procedure The antenna gain is measured with StarMIMOmulti-probe measurement system. (References: MVG, StarMIMOmulti-probe measurement system datasheet, 2014) System Overview 1 Arch 2 Mast 3 Patented Goniometer 4 Antennas 5 Absorbers and anechoic chambers 3 2. Test EquipmentandMeasurementSoftware UsedControl No. Equipment DescriptionModel No.Serial No.ManufacturerCal. IntervalLast Cal.Remark Y-Multi-Probe Measurement System StarMIMO1101232-1346MVG12 months2023.09.24 YM1062ENA Network AnalyzerE5071CMY46101377Keysight Technologies12 months2023.07.07 YA5062Dual-Ridge Horn Antenna (0.4-6.0 GHz) SH400-19833104416MVG12 months2023.05.13Reference Antenna •The calibration is valid until the end of the expiration month. UsedControl No. Software DescriptionModel No.VersionManufacturerRemark Y-Automated Antenna and OTA Measurement Software Suite MVG WaveStudio 22.1.7MVG Y-Near-Field to Far-Field Transformation Software MV-Sphere2.3.27MVG Test Equipment Measurement Software 4 3. Antenna Under Test Antenna 1 Antenna Model Name:ANTENNA L Antenna Type:Monopole Manufacturer:GoertekInc. Input Impedance:50 ohm Antenna 2 Antenna Model Name:ANTENNA R Antenna Type:Monopole Manufacturer:GoertekInc. Input Impedance:50 ohm 5 4. Antenna Gains Antenna 1 Date of Testing:November 13, 2023 Tested Personnel:Yuki Furuse Temperature:22.4 deg.C Relative Humidity:57.4 % AntennaFrequency (MHz) Peak Gain (dBi) Remark Antenna 12400-6.86 2440-6.64* 2.4 GHz peak 2480-6.68 Antenna 2 Date of Testing:November 13, 2023 Tested Personnel:Yuki Furuse Temperature:22.4 deg.C Relative Humidity:57.4 % AntennaFrequency (MHz) Peak Gain (dBi) Remark Antenna 22400-7.20 2440-6.74* 2.4 GHz peak 2480-7.34 Considering variation, Antenna gain specification is -4.5dBi. 6 5. Antenna Directivity Plots Antenna 1(1/2) FrequencyXZ-cutXY-cutYZ-cut 2400 MHz 2440 MHz 7 5. Antenna Directivity Plots Antenna 1(2/2) FrequencyXZ-cutXY-cutYZ-cut 2480 MHz 8 Antenna 2(1/2) FrequencyXZ-cutXY-cutYZ-cut 2400 MHz 2440 MHz 5. Antenna Directivity Plots 9 5. Antenna Directivity Plots Antenna 2(2/2) FrequencyXZ-cutXY-cutYZ-cut 2480 MHz 10 X Y Z Elevation 0° +90° -90° Azimuth 0° 90° 270° + - 180° Appendix. 1. Measurement Procedure The antenna gain is measured with StarMIMOmulti-probe measurement system. (References: MVG, StarMIMOmulti-probe measurement system datasheet, 2014) System Overview Measurement Axis

Test Report No. 15096679S-D Page 1 of 60 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 Japan / +81-463-50-6400 RADIO TEST REPORT Test Report No. 15096679S-D Customer Sony Group Corporation Description of EUT Wireless Stereo Headset Model Number of EUT YY2964 FCC ID AK8YY2964 Test Regulation FCC Part 15 Subpart C Test Result Complied Issue Date February 13, 2024 Remarks Bluetooth (BR / EDR) parts Representative Test Engineer Approved By Miku Ikudome Engineer Toyokazu Imamura Engineer CERTIFICATE 1266.03 The testing in which "Non-accreditation" is displayed is outside the accreditation scopes in UL Japan, Inc. There is no testing item of "Non-accreditation". Repo rt Cover Page - Form-ULID-003532 (DCS:13-EM-F0429) Issue# 23.0 Test Report No. 15096679S-D Page 2 of 60 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 Japan / +81-463-50-6400 ANNOUNCEMENT REVISION HISTORY Original Test Report No.: 15096679S-D Revision Test Report No. Date Page Revised Contents - (Original) 15096679S-D February 13, 2024 - This test report shall not be reproduced in full or partial, without the written approval of UL Japan, Inc.  The results in this report appl y only to the sample tested. (Laboratory was not involved in sampling.)  This sample tested is in compliance with the limits of the above re gulation. The test results in this test report are traceable to the national or international standards. This test report must not be used by the customer to claim produc t certification, approval, or endo rsement b y the A2LA accreditation body.  This test report covers Radio technical requirements. It does not cover administrative issues such as Manual or non-Radio test related Requirement s. (if applicable)  The all test items in this test report are conducted b y UL Japan, Inc. Shonan EMC Lab. The opinions and the interpretations to the result of the description in this report are outside scope s whe re UL Japan, Inc. has been accredite d.  The information provided b y the customer for this report is identified in SECTION 1.  The laboratory is not responsible for information provided by the customer which can impa ct the validit y of the results. For test report (s) referred in this report, the latest version (including any revisions) is always referred. Test Report No. 15096679S-D Page 3 of 60 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 Japan / +81-463-50-6400 Reference: Abbreviations (Including words undescribed in this report) A2LA The American Association for Laboratory Accreditation ICES Interference-Causing Equipment Standard AC Alternating Current IEC International Electrotechnical Commission AFH Adaptive Frequency Hopping IEEE Institute of Electrical and Electronics Engineers AM Amplitude Modulation IF Intermediate Frequency Amp, AMP Amplifier ILAC International Laboratory Accreditation Conference ANSI American National Standards Institute ISED Innovation, Science and Economic Development Canada Ant, ANT Antenna ISO International Organization for Standardization AP Access Point JAB Japan Accreditation Board ASK Amplitude Shift Keying LAN Local Area Network Atten., ATT Attenuator LIMS Laboratory Information Management System AV Average MCS Modulation and Coding Scheme BPSK Binary Phase-Shift Keying MRA Mutual Recognition Arrangement BR Bluetooth Basic Rate N/A Not Applicable BT Bluetooth NIST National Institute of Standards and Technology BT LE Bluetooth Low Energy NS No signal detect. BW BandWidth NSA Normalized Site Attenuation Cal Int Calibration Interval NVLAP National Voluntary Laboratory Accreditation Pro gram CCK Complementary Code Keying OBW Occupied Band Width Ch., CH Channel OFDM Orthogonal Frequency Division Multiplexing CISPR Comite International Special des Perturbations Radioelectriques P/M Power meter CW Continuous Wave PCB Printed Circuit Board DBPSK Differential BPSK PER Packet Error Rate DC Direct Current PHY Physical Layer D-factor Distance factor PK Peak DFS Dynamic Frequency Selection PN Pseudo random Noise DQPSK Differential QPSK PRBS Pseudo-Random Bit Sequence DSSS Direct Sequence Spread Spectrum PSD Power Spectral Density EDR Enhanced Data Rate QAM Quadrature Amplitude Modulation EIRP, e.i.r.p. Equivalent Isotropically Radiated Power QP Quasi-Peak EMC ElectroMagnetic Compatibility QPSK Quadri-Phase Shift Keying EMI ElectroMagnetic Interference RBW Resolution Band Width EN European Norm RDS Radio Data System ERP, e.r.p. Effective Radiated Power RE Radio Equipment EU European Union RF Radio Frequency EUT Equipment Under Test RMS Root Mean Square Fac. Factor RSS Radio Standards Specifications FCC Federal Communications Commission Rx Receiving FHSS Frequency Hopping Spread Spectrum SA, S/A Spectrum Analyzer FM Frequency Modulation SG Signal Generator Freq. Frequency SVSWR Site-Voltage Standing Wave Ratio FSK Frequency Shift Keying TR Test Receiver GFSK Gaussian Frequency-Shift Keying Tx Transmitting GNSS Global Navigation Satellite System VBW Video BandWidth GPS Global Positioning System Vert. Vertical Hori. Horizontal WLAN Wireless LAN Test Report No. 15096679S-D Page 4 of 60 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 Japan / +81-463-50-6400 CONTENTS PAGE SECTION 1: Customer Information .................................................................................... 5 SECTION 2: Equipment Under Test (EUT) ......................................................................... 5 SECTION 3: Test Specification, Procedures & Results ................................................... 6 SECTION 4: Operation of EUT during testing ................................................................... 9 SECTION 5: Radiated Spurious Emission ....................................................................... 11 SECTION 6: Antenna Terminal Conducted Tests ......................................................…

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