JNZAR0207Wireless Headset

Date: February 10, 2026 FCC ID: JNZAR0207 To the attention of Federal Communications Commission Authorization and Evaluation Division Attestation Statements Attestation Statements Part 2.911(d)(5)(i) Filing LOGITECH FAR EAST 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. Attestation Statements Part 2.911(d)(5)(ii) Filing LOGITECH FAR EAST LTD. (“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. Sincerely yours, ----------------------------------------------- David W Crawford / Senior Manager, Compliance Engineering LOGITECH FAR EAST LTD. Tel: +1-360-817-1253 E-mail: [email protected]

Date: 2/10/2026 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 FCC ID: JNZAR0207 To whom it may concern: FCC US Agent Agent Company Name: Logitech, Inc. FCC FRN: 0005921077 Agent Contact Name: David W Crawford Agent US Address: 4700 NW Camas Meadows Drive, Camas, WA 98607 Agent Email Address: [email protected] This letter is to confirm that we have accepted the responsibility to act as US Agent on behalf of Logitech Far East, Ltd. (“the applicant”) for the above referenced FCC ID. 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, David W Crawford Senior Manager, Compliance Engineering Logitech, Inc.

Date: 2/10/2026 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 R E: CFR 47 §2.911 (d)(7) Agent Designation Attestation FCC ID: JNZAR0207 Applicant (Grantee) FRN: 0007134034 Logi tech Far East, Ltd., (“the applicant”) as required by section 2.911(d)(7), designates the following 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: Contact Person: David W Crawford Company Name: Logitech, Inc. Company Address: 4700 NW Camas Meadows Drive, Camas, WA 98607 Email: [email protected] FCC FRN: 0005921077 S incerely yours, Name: Rick Lien Job Title: Head of Product Compliance Company Name: Logitech Far East, Ltd. Email: [email protected] Tel: +886-3-5778241 #2189

FCC Agent Authorization Date: February 10, 2026 To whom it may concern, Logitech Far East Ltd hereby authorize Sporton International Inc. to act on our behalf in all matters relating to applications for FCC equipment authorization, including the signing of all documents relating to these matters. Any and all acts carried out by Sporton International Inc. on our behalf shall have the same effect as acts of our own. We also hereby certify that 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. This authorization is limited to the product of as following: FCC ID: JNZAR0207 This authorization is valid until further written notice from Logitech Far East Ltd. Sincerely, ________________________ David W Crawford/ Senior Manager, Compliance Engineering LOGITECH FAR EAST LTD. Tel: +1-360-817-1253 E-mail: [email protected]

LOGITECH FAR EAST LTD. #2 Creation Rd. 4, Science-Based Ind. Park Hsinchu Taiwan, R.O.C. Date: 2024-02-16 A U T H O R I Z A T I O N L E T T E R To whom it may concern: I, the undersigned Rick Lien of LOGITECH FAR EAST LTD. hereby authorize David W Crawford of LOGITECH FAR EAST LTD. to act on my behalf in all matters relating to all processes required in FCC and any communication needed with the national authority. Any and all acts carried out by David W Crawford on my behalf shall have the same effects as acts of our own. If you have any questions regarding the authorization, please don’t hesitate to contact us. Thank you! Sincerely yours, ----------------------------------- Rick Lien / Head of Product Compliance Tel: +886-3-5778241 #2189 Fax: +886-3-5792394 Email: [email protected]

Date: February 10, 2026 FCC Laboratory 7435 Oakland Mills Rd Columbia MD 21046 Subject: Request for Confidentiality FCC ID: JNZAR0207 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission’s rules (47CFR§§0.457, 0.459), we are requesting the Commission to withhold the following documents from public disclosure indefinitely. l Schematic Diagram l Block Diagram l Part List l Operational Description l Tune-up Procedure Above mentioned documents which contain 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 additional to above mentioned documents, pursuant to Public Notice DA 04-1705 of the Commission’ s policy, in order to comply with the marketing regulations in 47 CFR §2.803 and the importation rules in 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we are requesting the Commission to withhold the following documents for 180 days after the grant of equipment authorization is issued: l External Photos l Internal Photos l Test Setup Photos l User Manual It is our understanding that all measurement test reports, FCC ID label format cannot be granted as confidential documents and that information will be available for public review once the grant of equipment authorization is issued. Best Regards, _______________________ David W Crawford/ Senior Manager, Compliance Engineering LOGITECH FAR EAST LTD. Tel: +1-360-817-1253 E-mail: [email protected]

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TEL : 886-3-327-3456 Page 1 of 20 FAX : 886-3-328-4978 Issued Date : Mar. 13, 2026 Template version: 240125 FCC SAR TEST REPORT Report No. : FA610201 FCC SAR TEST REPORT FCC ID : JNZAR0207 Equipment : Wireless Headset Brand Name : Logitech, logitech, logi Model Name : AR0207 Applicant : Logitech Far East Ltd #2 Creation Rd., 4, Science-Based Ind. Park,HsinChu , Taiwan Manufacturer : Logitech Far East Ltd #2 Creation Rd., 4, Science-Based Ind. Park,HsinChu , Taiwan Standard : FCC 47 CFR Part 2 (2.1093) The product was received on Jan. 14, 2026 and testing was started from Jan. 26, 2026 and completed on Jan. 26, 2026. We, SPORTON INTERNATIONAL INC., would like to declare that the tested sample provide by manufacturer and the test data has been evaluated in accordance with the test procedures given in 47 CFR Part 2.1093 and FCC KDB and has been pass the FCC requirement. The test results in this report apply exclusively to the tested model / sample. Without written approval of SPORTON INTERNATIONAL INC. Laboratory, the test report shall not be reproduced except in full. Sporton International Inc. Wensan Laboratory No.58, Aly. 75, Ln. 564, Wenhua 3rd, Rd., Guishan Dist., Taoyuan City 333010, Taiwan Approved by: Cona Huang / Deputy Manager TEL : 886-3-327-3456 Page 2 of 20 FAX : 886-3-328-4978 Issued Date : Mar. 13, 2026 Template version: 240125 FCC SAR TEST REPORT Report No. : FA610201 Table of Contents 1. Statement of Compliance ............................................................................................................................................. 4 2. Guidance Applied .......................................................................................................................................................... 4 3. Equipment Under Test (EUT) Information ................................................................................................................... 5 3.1 General Information ............................................................................................................................................... 5 4. RF Exposure Limits....................................................................................................................................................... 6 4.1 Uncontrolled Environment ...................................................................................................................................... 6 4.2 Controlled Environment .......................................................................................................................................... 6 5. Specific Absorption Rate (SAR) ................................................................................................................................... 7 5.1 Introduction ............................................................................................................................................................ 7 5.2 SAR Definition ........................................................................................................................................................ 7 6. System Description and Setup .................................................................................................................................... 8 6.1 Test Site Location ................................................................................................................................................... 8 6.2 E-Field Probe ......................................................................................................................................................... 9 6.3 Data Acquisition Electronics (DAE) ........................................................................................................................ 9 6.4 Phantom ................................................................................................................................................................10 6.5 Device Holder........................................................................................................................................................ 11 7. Measurement Procedures ...........................................................................................................................................12 7.1 Spatial Peak SAR Evaluation ................................................................................................................................12 7.2 Power Reference Measurement............................................................................................................................13 7.3 Area Scan .............................................................................................................................................................13 7.4 Zoom Scan ............................................................................................................................................................14 7.5 Volume Scan Procedures ......................................................................................................................................14 7.6 Power Drift Monitoring ...........................................................................................................................................14 8. Test Equipment List .....................................................................................................................................................15 9. System Verification ......................................................................................................................................................16 9.1 Tissue Verification .................................................................................................................................................16 9.2 System Performance Check Results .....................................................................................................................16 …

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Test Laboratory: Sporton International Inc. SAR/HAC Testing Lab Date: 2026/1/26 System Check_Head_2450MHz DUT: D2450V2-736 Communication System: CW; Frequency: 2450 MHz; Duty Cycle:1:1 Medium: HSL_600-7200_260126 Medium parameters used : f = 2450 MHz; σ = 1.837 S/m; ε r = 39.637; ρ = 1000 kg/m 3 Ambient Temperature：23.5 °C; Liquid Temperature：22.5 °C DASY5 Configuration: - Probe: ES3DV3 - SN3115; ConvF(4.45, 4.49, 4.34) @ 2450 MHz; Calibrated: 2025/8/19 - Sensor-Surface: 3mm (Mechanical Surface Detection) - Electronics: DAE4 Sn1424; Calibrated: 2025/12/3 - Phantom: SAM_Right; Type: QD000P40CD; Serial: TP:1681 - Measurement SW: DASY52, Version 52.10 (4);SEMCAD X Version 14.6.14 (7501) Pin=50mW/Area Scan (61x61x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 3.27 W/kg Pin=50mW/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 43.86 V/m; Power Drift = -0.04 dB Peak SAR (extrapolated) = 4.93 W/kg SAR(1 g) = 2.46 W/kg; SAR(10 g) = 1.15 W/kg (SAR corrected for target medium) Smallest distance from peaks to all points 3 dB below = 9.6 mm Ratio of SAR at M2 to SAR at M1 = 51% Maximum value of SAR (measured) = 3.23 W/kg 0 dB = 3.23 W/kg = 5.09 dBW/kg

0 dB = 0.0133 W/kg = -18.76 dBW/kg Test Laboratory: Sporton International Inc. SAR/HAC Testing Lab Date: 2026/1/26 #01_Bluetooth_LE 1Mbps_Close to Head_0mm_Ch19 Communication System: Bluetooth ; Frequency: 2440 MHz Medium: HSL_600-7200_260126 Medium parameters used: f = 2440 MHz; σ = 1.829 S/m; ε r = 39.661; ρ = 1000 kg/m 3 Ambient Temperature：23.5 °C; Liquid Temperature：22.5 °C DASY5 Configuration: - Probe: ES3DV3 - SN3115; ConvF(4.45, 4.49, 4.34) @ 2440 MHz; Calibrated: 2025/8/19 - Sensor-Surface: 3mm (Mechanical Surface Detection) - Electronics: DAE4 Sn1424; Calibrated: 2025/12/3 - Phantom: SAM_Right; Type: QD000P40CD; Serial: TP:1681 - Measurement SW: DASY52, Version 52.10 (4);SEMCAD X Version 14.6.14 (7501) Area Scan (81x81x1): Interpolated grid: dx=1.200 mm, dy=1.200 mm Maximum value of SAR (interpolated) = 0.0132 W/kg Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 2.832 V/m; Power Drift = 0.00 dB Peak SAR (extrapolated) = 0.0210 W/kg SAR(1 g) = 0.011 W/kg; SAR(10 g) = 0.00526 W/kg (SAR corrected for target medium) Smallest distance from peaks to all points 3 dB below: Larger than measurement grid (> 15 mm) Ratio of SAR at M2 to SAR at M1 = 50.2% Maximum value of SAR (measured) = 0.0133 W/kg

SPORTON INTERNATIONAL INC. TEL : 886-3-327-3456 FAX : 886-3-328-4978 D2450V2, serial no. 736 Extended Dipole Calibrations If dipoles are verified in return loss (<-20dB, within 20% of prior calibration), and in impedance (within 5 ohm of prior calibration), the annual calibration is not necessary and the calibration interval can be extended. <Justification of the extended calibration> D2450V2 – serial no. 736 2450MHZ Date of Measurement Return-Loss (dB) Delta (%) Real Impedance (ohm) Delta (ohm) Imaginary Impedance (ohm) Delta (ohm) 08.15.2024 (Cal. Report) -26.2 54.6 +2.1 08.14.2025 (extended) -26.383 0.69 55.071 0.471 +2.6474 0.5474 The return loss is < -20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. SPORTON INTERNATIONAL INC. TEL : 886-3-327-3456 FAX : 886-3-328-4978 <Dipole Verification Data> - D2450 V2, serial no. 736 (Data of Measurement : 08.14.2025) 2450MHz - Head

Report No: EVT-700-006543 Page 1 of 9 Logitech Antenna Under Test (AUT) Report Model Name: AR0207 Equipment Type: Headset Manufacturer: Logitech Far East LTD. Test Location: B2, No. 215, Sec. 3, Beixin Rd., Xindian Dist., New Taipei City 23143, Taiwan (R.O.C.), 23143 Tested by: __________Frankie Chang_______________ Report Date: ___________2023.10.06________________ Report No: EVT-700-006543 Page 2 of 9 Report Release History Report version Description Date Issued AR0207 AUT Report Original release 2023/10/06 Table of Contents 1. EUT Antenna Information3 2.Measured Values and Calculation of Antenna Gains3 3. Conducted Power Measurement5 3.1 Test Setup5 3.2 Test Instruments5 3.3 Test Procedure5 3.4 Test Result of RF conducted Power5 4. 3D Radiation Pattern Measurement6 4.1 Test Location6 4.2 Description of the anechoic chamber6 4.3 Test Instruments7 4.4 Test Procedure7 4.5 Test Setup photos8 4.6 Test 3D Pattern8 Report No: EVT-700-006543 Page 3 of 9 1. EUT Antenna Information 1) Antenna Material：PCB on board 2) Antenna Type：Monopole 3) Antenna Dimension: 16 x 12 mm 4) Operating Frequency：2.4 GHz - 2.4835 GHz 5) Input Impedance：50 Ω 6) Standing-Wave Ratio：2:1 2. Measured Values and Calculation of Antenna Gains Measure peak Theta/Phi EIRP on 3D plane. The highest measured values will be used to calculate the antenna peak gain. Antenna Peak Gain (dBi) = Max EIRP(dBm) - Conducted Power (dBm) 2402MHz Polarization Theta Phi Peak EIRP (dBm) 5.85 3.70 2441MHz Polarization Theta Phi Peak EIRP (dBm) 6.50 3.97 2480MHz Polarization Theta Phi Peak EIRP (dBm) 7.60 5.78 Report No: EVT-700-006543 Page 4 of 9 Frequency (MHz) EIRP (dBm) Conducted Power (dBm) Antenna Peak Gain (dBi) Theta Phi Theta Phi 2402 5.85 3.7 5.08 0.77 -1.38 2441 6.5 3.97 4.99 1.51 -1.04 2480 7.6 5.78 4.81 2.79 0.97 Frequency (MHz) Total EIRP (dBm) Conducted Power (dBm) Antenna Peak Total Gain (dBi) 2450 8.53 4.99 3.54 Test Date: ______2023.10.03____________________ Report No: EVT-700-006543 Page 5 of 9 3. Conducted Power Measurement 3.1 Test Setup 3.2 Test Instruments Description Model No. Serial No. Last Calibration Power Meter- Anritsu ML2495A 1529002 Jun. 17, 2023 Pulse Power Sensor- Anritsu MA2411B 1726434 Jun. 19, 2023 Note: The calibration interval of the above test instruments is _12_ months 3.3 Test Procedure A Power meter was used to perform output power measurement, setting the detector to average and configuring EUT continuously transmitting power(100% duty cycle). 3.4 Test Result of RF conducted Power Frequency Conducted Power (dBm) 2402 5.08 2441 4.99 2480 4.81 Test Date: ___________2023.09.21_________________________ EUT Power meter Pulse Power sensor Report No: EVT-700-006543 Page 6 of 9 4. 3D Radiation Pattern Measurement 4.1 Test Location 3D radiation pattern measurement in the anechoic chamber 4.2 Description of the anechoic chamber The anechoic chamber is a standard AMS-8500 rectangular anechoic chamber designed and built by ETS-Lindgren with the following nominal dimensions Length: 7.32m (24 ft) Width: 3.66m (12 ft) Height: 3.66m (12 ft) Turntable height: 1.45m Measurement antenna height: 1.75m Measurement distance: 4.86m Report No: EVT-700-006543 Page 7 of 9 4.3 Test Instruments Description Model No. Serial No. Last Calibration Measurement Software EM-Quest 1.16- ETS- Lindgren N/A N/A Signal Analyzer EXA (N9010A) 102538 2023/7/18 Measurement Antenna ETS Lindgren (3164-06) 133105 N/A Bluetooth Tester CBT- R&S 100980 2023/08/01 Chamber ETS-lindgren_AMS-8500 Antenna Measurement System N/A N/A Note: The calibration interval of the above test instruments is _12___ months 4.4 Test Procedure i. Connect the EUT to power meter and record the power setting of EUT and the measured conducted power. ii. Fasten the EUT in the center of the jig on Multi-Axis Positioning System, record the coordinates and take pictures. iii. Configuring EUT continuously transmitting power (100% duty cycle). iv. Make sure the transmit signal is stable and at the maximum RF power level. v. Read the channel power level on the signal analyzer and record in the following positions. 1. The EUT is then stepped between 0 to 360 degrees along the horizontal plane in 15-degree increments. 2. Data is recorded using the signal analyzer for both theta and phi polarizations at each position. 3. Rotate the EUT with 90 degree and repeat step f.1 and step f.2 until all 3 planes were measured. vi. Change EUT setup to transmit the RF power on 2402MHz, 2441MHz and 2480MHz respectively. vii. Find the highest peak EIRP recorded from measurement data for all 3 planes. viii. Antenna Peak Gain (dBi) = Max EIRP(dBm) - Conducted Power (dBm) Report No: EVT-700-006543 Page 8 of 9 4.6 Test 3D Pattern Report No: EVT-700-006543 Page 9 of 9

TEL: 886-3-327-0868 Page Number : 1 of 24 FAX: 886-3-327-0855 Issue Date : Mar. 10, 2026 Report Template No.: BU5-FR15CBT4.0 Version 2.4 Report Version : 01 FCC RADIO TEST REPORT Report No. : FR610201B FCC RADIO TEST REPORT FCC ID : JNZAR0207 Equipment : Wireless Headset Brand Name : Logitech, logitech, logi Model Name : AR0207 Marketing Name : Zone 305 Applicant : Logitech Far East Ltd #2 Creation Rd., 4, Science-Based Ind. Park,HsinChu , Taiwan Manufacturer : Logitech Far East Ltd #2 Creation Rd., 4, Science-Based Ind. Park,HsinChu , Taiwan Standard : FCC Part 15 Subpart C §15.247 The product was received on Jan. 07, 2026 and testing was performed from Jan. 14, 2026 to Jan. 30, 2026. We, Sporton International Inc. Wensan Laboratory, would like to declare that the tested sample has been evaluated in accordance with the test procedures and has been in compliance with the applicable technical standards. The test results in this report apply exclusively to the tested model / sample. Without written approval from Sporton International Inc. Wensan Laboratory, the test report shall not be reproduced except in full. Approved by: Louis Wu Sporton International Inc. Wensan Laboratory No.58, Aly. 75, Ln. 564, Wenhua 3rd, Rd., Guishan Dist., Taoyuan City 333010, Taiwan (R.O.C.) TEL: 886-3-327-0868 Page Number : 2 of 24 FAX: 886-3-327-0855 Issue Date : Mar. 10, 2026 Report Template No.: BU5-FR15CBT4.0 Version 2.4 Report Version : 01 FCC RADIO TEST REPORT Report No. : FR610201B Table of Contents History of this test report ................................................................................................................................. 3 Summary of Test Result................................................................................................................................... 4 1 General Description ................................................................................................................................... 5 1.1 Product Feature of Equipment Under Test ........................................................................................ 5 1.2 Modification of EUT ........................................................................................................................... 5 1.3 Testing Location ................................................................................................................................ 6 1.4 Applicable Standards ......................................................................................................................... 6 2 Test Configuration of Equipment Under Test ......................................................................................... 7 2.1 Carrier Frequency Channel ............................................................................................................... 7 2.2 Test Mode .......................................................................................................................................... 8 2.3 Connection Diagram of Test System ................................................................................................. 9 2.4 Support Unit used in test configuration and system ........................................................................ 10 2.5 EUT Operation Test Setup .............................................................................................................. 10 2.6 Measurement Results Explanation Example ................................................................................... 10 3 Test Result ................................................................................................................................................ 11 3.1 6dB and 99% Bandwidth Measurement .......................................................................................... 11 3.2 Output Power Measurement ............................................................................................................ 12 3.3 Power Spectral Density Measurement ............................................................................................ 13 3.4 Conducted Band Edges and Spurious Emission Measurement ..................................................... 14 3.5 Radiated Band Edges and Spurious Emission Measurement ........................................................ 15 3.6 AC Conducted Emission Measurement........................................................................................... 19 3.7 Antenna Requirements .................................................................................................................... 21 4 List of Measuring Equipment ................................................................................................................. 22 5 Measurement Uncertainty ....................................................................................................................... 24 Appendix A. Conducted Test Results Appendix B. AC Conducted Emission Test Result Appendix C. Radiated Spurious Emission Test Result Appendix D. Duty Cycle Plots Appendix E. Setup Photographs TEL: 886-3-327-0868 Page Number : 3 of 24 FAX: 886-3-327-0855 Issue Date : Mar. 10, 2026 Report Template No.: BU5-FR15CBT4.0 Version 2.4 Report Version : 01 FCC RADIO TEST REPORT Report No. : FR610201B History of this test report Report No. Version Description Issue Date FR610201B 01 Initial issue of report Mar. 10, 2026 TEL: 886-3-327-0868 Page Number : 4 of 24 FAX: 886-3-327-0855 Issue Date : Mar. 10, 2026 Report Template No.: BU5-FR15CBT4.0 Version 2.4 Report Version : 01 FCC RADIO TEST REPORT Report No. : FR610201B Summary of Test Result Report Clause Ref Std. Clause Test Items Result (PASS/FAIL) Remark 3.1 15.247(a)(2) 6dB Bandwidth Pass - 3.1 2.1049 99% Occupied Bandwidth Pass - 3.2 15.247(b)(3) 15.247(b)(4) Output Power Pass - 3.3 15.247(e) Power Spectral Density Pass - 3.4 15.247(d) Conducted Band Edges and Spurious Emission Pass - 3.5 15.247(d) Radiated Band Edges …

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