RWO-561Wireless Earphones

FCC COVERED LIST DECLARATION LETTER Page 1 of 1 Revision 1.0 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Razer Inc. Address 9 Pasteur, Irvine, California 92618, United States FRN 0022386734 Grantee Code RWO FCC ID: RWO-561 and RWO-RC300561 Authorized Contact Name Johnsen Tia Contact Phone 760 579 0180 Contact Email [email protected] Razer Inc. (“the applicant”) certifies: - 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. - 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. - the software to be loaded prior to marketing of the equipment identified above is not “covered” software manufactured by any entity including predecessors, successors, parents, subsidiaries, affiliates or any entity which has rebranded or relabeled the software produced by the entity(ies) identified on the “Covered List”. - the device is not capable of storing or running software listed on the covered list and therefore is inherently compliant. NOTE: Justification/evidence explaining how compliance is met must accompany this letter Link to the Covered List: Covered List Applicant Signature: Date: 11/05/2025 Print Name: Johnsen Tia Title: Associate VP, Regulatory & Compliance *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

Applicant Declaration QSF27-14-04 Rev 1.4 April 25, 2025 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 Razer Inc. Address 9 Pasteur, Suite, Irvine, California 92618, United States FRN 0022386734 Grantee Code RWO FCC ID: RWO-561 and RWO-RC300561 Authorized Contact Name Johnsen Tia Contact Phone 760 579 0180 Contact Email [email protected] 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. terms and conditions as specified in the TCB Application Form 731 (QSF27-14-01). 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 Applicant Signature: Date: 11/05/2025 Print Name: Johnsen Tia Title: Associate VP, Regulatory & Compliance *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: 11/05/2025 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Applicant U.S. designated agent Company Name: Razer Inc. Company Name: Razer Inc. FRN: 0022386734 FRN: 0022386734 Grantee Code: RWO Contact Name: Johnsen Tia Contact Name: Johnsen Tia Address: 9 Pasteur, Address: 9 Pasteur, City/Province/Zip: Irvine California 92618 United States City/Province/Zip: Irvine California 92618 United States Telephone: 760 579 0180 Telephone: 760 579 0180 Fax: 760 579 0182 Fax: 760 579 0182 Email: [email protected] Email: [email protected] Applicable Equipment: FCC ID: RWO-561 and RWO-RC300561 ATTN: Director of Certification: We, < Razer 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, < Razer 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. Name (Printed): Johnsen Tia Title: Associate VP, Regulatory & Compliance Signature:

Razer Inc. Date: 11/05/2025 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: FCC ID: RWO-561 and RWO-RC300561 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 Razer Inc. This authorization is valid until further written notice from the applicant. Sincerely, Print Name: Johnsen Tia Title: Associate VP, Regulatory & Compliance Signature: On behalf of Company: Razer Inc. Telephone: 760 579 0180 E-mail: [email protected]

Razer Inc. TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: Confidentiality Request for FCC ID: RWO-561 and RWO-RC300561 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 Procedures 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, Print Name: Johnsen Tia Title: Associate VP, Regulatory & Compliance Signature: On behalf of Company: Razer Inc. Telephone: 760 579 0180 E-mail: [email protected]

Razer Inc. Label Placement Declaration To Federal Communication Commission Equipment Authorization Branch 7 435 Oakland Mills Road Columbia, MID 21046 For the following product, Model Name/Number: 561 FCC ID: FCC ID: RWO-561 The FCC ID will not affix on the earbuds, but described in the product user manual and the product package due to below reasons. The earbud is too small to put the ID label on it. The size of earbud is: 33.1mm* 22.03mm* 27.24mm Sincerely, Print Name: Johnsen Tia Title: Director, Regulatory & Compliance Signature: On behalf of Company: Razer Inc. Telephone: 760 579 0180 E-mail: [email protected]

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR251000462205 Page: 1 of 38 Keny Xu EMC Laboratory Manager SAR TEST REPORT Application No.: SZCR2510004622AT Applicant: Razer Inc. Address of Applicant: 9 Pasteur, Irvine, California 92618 United States Manufacturer: Razer (Asia-Pacific) Pte. Ltd. Address of Manufacturer: Razer SEA HQ, 1 one-north Crescent, #02-01, 138538, Singapore EUT Description: Wireless Earphones Model No.: 561 Trade Mark: RAZER FCC ID: RWO-561 Standards: FCC 47CFR §2.1093 Date of Receipt: 2025-11-20 Date of Test: 2025-11-21 Date of Issue: 2025-12-11 Test Result : PASS * * In the configuration tested, the EUT detailed in this report complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR251000462205 Page: 2 of 38 Revision Record Version Description Date Remark 01 2025-12-11 Original Authorized for issue by: Charlie Dai/Project Engineer Eric Fu / Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR251000462205 Page: 3 of 38 TEST SUMMARY Frequency Band Maximum Reported SAR(W/kg) Head SRD 2.4G 0.44 BT 0.42 SAR Limited(W/kg) 1.6 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR251000462205 Page: 4 of 38 Contents 1 General Information .............................................................................................. 6 1.1 General Description of EUT .............................................................................. 6 1.2 Test Specification .............................................................................................. 7 1.3 RF exposure limits ............................................................................................ 8 1.4 Test Location .................................................................................................... 9 1.5 Test Engineer .................................................................................................... 9 1.6 Test Facility ....................................................................................................... 9 2 Laboratory Environment ..................................................................................... 10 3 SAR Measurements System Configuraion ........................................................ 11 3.1 The SAR Measurement System ...................................................................... 11 3.2 Isotropic E-field Proble EX3DV4 ..................................................................... 13 3.3 Data Acquisition Electronics (DAE) ................................................................. 14 3.4 SAM Twin Phantom ........................................................................................ 14 3.5 ELI Phantom ................................................................................................... 15 3.6 Device Holder for Transmitters ....................................................................... 16 3.7 Measurement Procedure ................................................................................. 17 3.7.1 Scanning procedure .................................................................................. 17 3.7.2 Data storage ............................................................................................. 19 3.7.3 Data Evaluation by SEMCAD ................................................................... 19 4 SAR measurement variability and uncertainty ................................................. 21 4.1 SAR measurement variability .......................................................................... 21 4.2 SAR measurement uncertainty ....................................................................... 21 5 Desciption of Test Position ................................................................................ 22 5.1 The EUT Test Position .................................................................................... 22 6 SAR System Verificaion Procedure ................................................................... 23 6.1 Tissue Simulate Liquid .................................................................................... 23 6.1.1 Recipes for Tissue Simulate Liquid ........................................................... 23 6.1.2 Measurement for Tissue Simulate Liquid .................................................. 24 6.2 SAR System Check ......................................................................................... 25 6.2.1 Justification for Extended SAR Dipole Calibrations .................................. 26 6.2.2 Summary System Check Result(s) ........................................................... 27 6.2.3 Detailed System Check Results ................................................................ 27 7 Test Configuration .............................................................................................. 28 7.1 Operation Configurations ................................................................................ 28 7.2 2.4GHz SRD Test Configuration ..................................................................... 28 7.2.2 BT Test Configuration ............................................................................... 30 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR251000462205 Page: 5 of 38 8 Test Result ........................................................................................................... 32 8.1 Measurement of RF Conducted Power ........................................................... 32 8.1.1 Conducted Power of SRD 2.4G ................................................................ 32 8.1.2 Conducted Power of BT ............................................................................ 33 8.2 Measurement of SAR Data .....................…

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01-A01 Rev. A/1 Aug 16,2024 Report No.: SZCR251000462205 Page: 1 of 19 Appendix C Calibration certificate 1. Dipole D2450V2-SN 733 2. DAE DAE4-SN 896 3. Probe ES3DV3-SN 3071 - End of the Appendix -

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01-A03 Rev. A/0 Aug 16,2024 Report No.: SZCR251000462205 Page: 1 of 2 Appendix A Detailed System Check Results 1. System Performance Check System Performance Check 2450 MHz Head Date: 2025-11-21 Test Laboratory: SGS-SAR Lab System Performance Check 2450MHz Head DUT: D2450V2; Type: Dipole; Serial: 733 Communication System: UID 0, CW; Frequency: 2450 MHz;Duty Cycle: 1:1 3 Medium: HSL;Medium parameters used: f = 2450 MHz; σ = 1.832 S/m; ε r = 40.421; ρ = 1000 kg/m Phantom section: Flat Section DASY 5 Configuration: Probe: ES3DV3 - SN3071; ConvF(4.55, 4.41, 4.04); Calibrated: 2024-12-10 Sensor-Surface: 3mm (Mechanical Surface Detection) Electronics: DAE4 Sn896; Calibrated: 2025-03-27 Phantom: SAM 6; Type: SAM Twin; Serial: 1438 DASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Configuration/d=10mm, Pin=250mW/Area Scan (9x9x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 19.4 W/kg Configuration/d=10mm, Pin=250mW/Zoom Scan (7x7x5)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 87.37 V/m; Power Drift = -0.05 dB Peak SAR (extrapolated) = 26.3 W/kg SAR(1 g) = 13.1 W/kg; SAR(10 g) = 6.27 W/kg Smallest distance from peaks to all points 3 dB below = 9 mm Ratio of SAR at M2 to SAR at M1 = 51.2% Maximum value of SAR (measured) = 21.4 W/kg 0 dB = 21.4 W/kg = 13.30 dBW/kg - End of the Appendix -

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01-A04 Rev. A/0 Aug 16,2024 Report No.: SZCR251000462205 Page: 1 of 5 Appendix B Detailed Test Results 1. 2.4G SRD 2.4G SRD 2. BT BT Date: 2025-11-21 Test Laboratory: SGS-SAR Lab Amelia T2V3 TWS SRD 2.4G 1M 2480 Left side 0mm Right ear DUT: Amelia T2V3 TWS Communication System: UID 0, DJI SDR 2.4G (0); Frequency: 2480 MHz;Duty Cycle: 1:1.645 3 Medium: HSL;Medium parameters used: f = 2480 MHz; σ = 1.866 S/m; ε r = 40.249; ρ = 1000 kg/m Phantom section: Flat Section DASY 5 Configuration: Probe: ES3DV3 - SN3071; ConvF(4.55, 4.41, 4.04); Calibrated: 2024-12-10 Sensor-Surface: 3mm (Mechanical Surface Detection) Electronics: DAE4 Sn896; Calibrated: 2025-03-27 Phantom: SAM 6; Type: SAM Twin; Serial: 1438 DASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Configuration/Body/Area Scan (6x6x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 0.172 W/kg Configuration/Body/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 11.04 V/m; Power Drift = 0.08 dB Peak SAR (extrapolated) = 0.770 W/kg SAR(1 g) = 0.210 W/kg; SAR(10 g) = 0.070 W/kg Smallest distance from peaks to all points 3 dB below = 6 mm Ratio of SAR at M2 to SAR at M1 = 45.3% Maximum value of SAR (measured) = 0.303 W/kg 0 dB = 0.303 W/kg = -5.19 dBW/kg Date: 2025-11-21 Test Laboratory: SGS-SAR Lab Amelia T2V3 TWS SRD 2.4G 1M 2440 Right side 0mm Left ear DUT: Amelia T2V3 TWS Communication System: UID 0, DJI SDR 2.4G (0); Frequency: 2440 MHz;Duty Cycle: 1:1.598 3 Medium: HSL;Medium parameters used: f = 2440 MHz; σ = 1.819 S/m; ε r = 40.476; ρ = 1000 kg/m Phantom section: Flat Section DASY 5 Configuration: Probe: ES3DV3 - SN3071; ConvF(4.55, 4.41, 4.04); Calibrated: 2024-12-10 Sensor-Surface: 3mm (Mechanical Surface Detection) Electronics: DAE4 Sn896; Calibrated: 2025-03-27 Phantom: SAM 6; Type: SAM Twin; Serial: 1438 DASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Configuration/Body/Area Scan (6x6x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 0.261 W/kg Configuration/Body/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 9.049 V/m; Power Drift = -0.01 dB Peak SAR (extrapolated) = 0.959 W/kg SAR(1 g) = 0.203 W/kg; SAR(10 g) = 0.067 W/kg Smallest distance from peaks to all points 3 dB below = 5.8 mm Ratio of SAR at M2 to SAR at M1 = 33% Maximum value of SAR (measured) = 0.278 W/kg 0 dB = 0.278 W/kg = -5.56 dBW/kg Date: 2025-11-21 Test Laboratory: SGS-SAR Lab Amelia T2V3 TWS BT DH5 39CH Left side 0mm Right ear DUT: Amelia T2V3 TWS Communication System: UID 0, Bluetooth (0); Frequency: 2480 MHz;Duty Cycle: 1:1.291 Medium: HSL;Medium parameters used: f = 2480 MHz; σ = 1.866 S/m; ε r = 40.249; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY 5 Configuration: Probe: ES3DV3 - SN3071; ConvF(4.55, 4.41, 4.04); Calibrated: 2024-12-10 Sensor-Surface: 3mm (Mechanical Surface Detection) Electronics: DAE4 Sn896; Calibrated: 2025-03-27 Phantom: SAM 6; Type: SAM Twin; Serial: 1438 DASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Configuration/Body/Area Scan (6x6x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 0.200 W/kg Configuration/Body/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 11.50 V/m; Power Drift = -0.01 dB Peak SAR (extrapolated) = 0.762 W/kg SAR(1 g) = 0.202 W/kg; SAR(10 g) = 0.067 W/kg Smallest distance from peaks to all points 3 dB below = 7 mm Ratio of SAR at M2 to SAR at M1 = 37% Maximum value of SAR (measured) = 0.286 W/kg 0 dB = 0.286 W/kg = -5.44 dBW/kg Date: 2025-11-21 Test Laboratory: SGS-SAR Lab Amelia T2V3 TWS BT DH5 39CH Right side 0mm Left ear DUT: Amelia T2V3 TWS Communication System: UID 0, Bluetooth (0); Frequency: 2441 MHz;Duty Cycle: 1:1.291 3 Medium: HSL;Medium parameters used: f = 2441 MHz; σ = 1.82 S/m; ε r = 40.471; ρ = 1000 kg/m Phantom section: Flat Section DASY 5 Configuration: Probe: ES3DV3 - SN3071; ConvF(4.55, 4.41, 4.04); Calibrated: 2024-12-10 Sensor-Surface: 3mm (Mechanical Surface Detection) Electronics: DAE4 Sn896; Calibrated: 2025-03-27 Phantom: SAM 6; Type: SAM Twin; Serial: 1438 DASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Configuration/Body/Area Scan (6x6x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 0.396 W/kg Configuration/Body/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 10.44 V/m; Power Drift = 0.00 dB Peak SAR (extrapolated) = 1.01 W/kg SAR(1 g) = 0.240 W/kg; SAR(10 g) = 0.072 W/kg Smallest distance from peaks to all points 3 dB below = 5.9 mm Ratio of SAR at M2 to SAR at M1 = 46.5% Maximum value of SAR (measured) = 0.390 W/kg 0 dB = 0.390 W/kg = -4.09 dBW/kg - End of the Appendix -

CC-JL-RD-36V1.0 1 Antenna Part Specification Project name： RZ-T2 earphones Material category： BT antenna Antenna type： PIFA Manufacturer： Shenzhen Cicent Communication Technology Co., Ltd. Manufacturer address： 505-506 ,ABlock,Donglian Building,Chuangye 2 road,Baoan District,Shenzhen,Guangdong,P.R china Version： V1.0 Date： 2025.9.5 CC-JL-RD-36V1.0 2 Contents I: The report of passive data ...................................................................................................................................................... 3 II：3D Active test report of antenna ....................................................................................................................................... 13 III：Matching circuit............................................................................................................................................................... 14 IV：Antenna structure diagram file ......................................................................................................................................... 15 Change record Compile / change date Reason for change Changed content Version 2025.9.5 First edition First edition V1.0 CC-JL-RD-36V1.0 3 I: The report of passive data Angilent E5071C antenna S11 parameter：（Left Ear - Free） CC-JL-RD-36V1.0 4 Efficiency：（Left Ear - Free） Frequency （MHz） Efficiency (dB ) Gain (dBi) Efficiency （%） 2400 -5.4 -2.4 28.6 2410 -5.4 -2.4 28.6 2420 -5.5 -2.4 28.5 2430 -5.6 -2.6 27.5 2440 -5.7 -2.7 26.7 2450 -5.9 -2.8 26.0 2460 -6.0 -3.0 25.1 2470 -6.2 -3.2 23.9 2480 -6.4 -3.5 22.7 AVG -5.8 -2.8 26.4 3D Antenna radiation pattern：（Left Ear - Free） CC-JL-RD-36V1.0 5 2D Antenna radiation pattern: （Left Ear - Free） Theta=90° Phi=0° Phi=90° CC-JL-RD-36V1.0 6 antenna S11 parameter：（Left Ear - Head） Efficiency：（Left Ear - Head） Frequency （MHz） Efficiency (dB ) Gain (dBi) Efficiency （%） 2400 -11.7 -6.1 6.8 2410 -11.5 -5.9 7.1 2420 -11.3 -5.8 7.4 2430 -11.4 -5.8 7.3 2440 -11.4 -5.8 7.3 2450 -11.5 -5.9 7.1 2460 -11.6 -6.1 6.9 2470 -11.9 -6.3 6.5 2480 -12.2 -6.6 6.0 AVG -11.6 -6.0 6.9 CC-JL-RD-36V1.0 7 3D Antenna radiation pattern：（Left Ear - Head） 2D Antenna radiation pattern: （Left Ear - Head） Theta=90° Phi=0° CC-JL-RD-36V1.0 8 Phi=90° antenna S11 parameter：（Right Ear - Free） CC-JL-RD-36V1.0 9 Efficiency：（Right Ear - Free） Frequency （MHz） Efficiency (dB ) Gain (dBi) Efficiency （%） 2400 -5.2 -1.4 30.1 2410 -5.2 -1.4 30.0 2420 -5.3 -1.5 29.5 2430 -5.5 -1.7 28.2 2440 -5.7 -1.9 26.7 2450 -5.8 -2.2 26.1 2460 -6.1 -2.5 24.3 2470 -6.2 -2.9 23.8 2480 -6.5 -3.4 22.3 AVG -5.7 -2.1 26.8 3D Antenna radiation pattern：（Right Ear - Free） CC-JL-RD-36V1.0 10 2D Antenna radiation pattern: （Right Ear - Free） Theta=90° Phi=0° Phi=90° CC-JL-RD-36V1.0 11 antenna S11 parameter：（Right Ear - Head） Efficiency：（Right Ear - Head） Frequency （MHz） Efficiency (dB ) Gain (dBi) Efficiency （%） 2400 -12.1 -7.1 6.1 2410 -12.0 -6.9 6.4 2420 -11.7 -6.6 6.8 2430 -11.4 -6.3 7.2 2440 -11.3 -6.2 7.4 2450 -11.3 -6.2 7.4 2460 -11.4 -6.3 7.3 2470 -11.6 -6.4 7.0 2480 -11.9 -6.8 6.5 AVG -11.6 -6.5 6.9 CC-JL-RD-36V1.0 12 3D Antenna radiation pattern：（Right Ear - Head） 2D Antenna radiation pattern: （Right Ear - Head） Theta=90° Phi=0° CC-JL-RD-36V1.0 13 Phi=90° II：3D Active test report of antenna Free Head CC-3 Channel TRP TIS TRP TIS L CH 0 5.0 -93.1 -2.8 -84.8 CH 39 5.1 -93.6 -2.4 -85.2 CH 78 5.1 -93.4 -2.0 -85.4 AVG 5.1 -93.4 -2.4 -85.1 Free Head CC-3 Channel TRP TIS TRP TIS R CH 0 5.3 -93.3 -2.8 -84.5 CH 39 5.4 -93.5 -2.3 -85.3 CH 78 5.3 -93.0 -2.0 -85.5 AVG 5.3 -93.3 -2.3 -85.1 OTA Standard Chamber CC-JL-RD-36V1.0 14 III：Matching circuit Element value M1N/C M20Ω M4N/C L Element value M1N/C M20Ω M4N/C R CC-JL-RD-36V1.0 15 VI：Antenna structure diagram file

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR251000462202 Page: 1 of 151 Keny Xu EMC Laboratory Manager TEST REPORT Application No.: SZCR2510004622AT Applicant: Razer Inc. Address of Applicant: 9 Pasteur, Irvine, California 92618 United States Manufacturer: Razer (Asia-Pacific) Pte. Ltd. Address of Manufacturer: Razer SEA HQ, 1 one-north Crescent, #02-01, 138538, Singapore Factory: RAZER TECHNOLOGY AND DEVELOPMENT (SHENZHEN) CO. LTD. Address of Factory: East Wing, 3 rd Floor, Block 2, Phase 1 of Vision Shenzhen Business Park Keji South Road, Hi-Tech Industrial Park, Shenzhen 518057, China Equipment Under Test (EUT): EUT Name: Wireless Earphones Model No: 561 Trade Mark: RAZER FCC ID: RWO-561 Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2025-10-23 Date of Test: 2025-11-07 to 2025-11-29 Date of Issue: 2025-12-11 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/2 Report No.: SZCR251000462202 Page: 2 of 151 Revision Record Version Chapter Date Modifier Remark 01 2025-12-11 Original Authorized for issue by: Charlie Dai/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR251000462202 Page: 3 of 151 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 Other requirements Frequency Hopping Spread Spectrum System Hopping Sequence N/A 47 CFR Part 15, Subpart C 15.247(a)(1),(g),(h) Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Conducted Emissions at AC Power Line (150kHz-30MHz) 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2020) Section 6.2 47 CFR Part 15, Subpart C 15.207 Pass Radiated Emissions which fall in the restricted bands ANSI C63.10 (2020) Section 6.10.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Below 1GHz ANSI C63.10 (2020) Section 6.4,6.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Above 1GHz ANSI C63.10 (2020) Section 6.6 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Conducted Peak Output Power ANSI C63.10 (2020) Section 7.8.5 47 CFR Part 15, Subpart C 15.247(b)(1) Pass 20dB Bandwidth ANSI C63.10 (2020) Section 6.9.2 47 CFR Part 15, Subpart C 15.247(a)(1) Pass Carrier Frequencies Separation ANSI C63.10 (2020) Section 7.8.2 47 CFR Part 15, Subpart C 15.247a(1) Pass Hopping Channel Number ANSI C63.10 (2020) Section 7.8.3 47 CFR Part 15, Subpart C 15.247a(1)(iii) Pass Dwell Time ANSI C63.10 (2020) Section 7.8.4 47 CFR Part 15, Subpart C 15.247a(1)(iii) Pass Conducted Band Edges Measurement ANSI C63.10 (2020) Section 7.8.7.2 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions ANSI C63.10 (2020) Section 7.8.7 47 CFR Part 15, Subpart C 15.247(d) Pass SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR251000462202 Page: 4 of 151 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. ....................................................................................................................…

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