2AI28-69517Bluetooth Earbuds

ReportNo. :EED32S80021201Page 21 of 69 Peak PowerNVNT1-DH52480MHzAnt1 Peak PowerNVNT2-DH52402MHzAnt1 ReportNo. :EED32S80021201Page 22 of 69 Peak PowerNVNT2-DH52441MHzAnt1 Peak PowerNVNT2-DH52480MHzAnt1 ReportNo. :EED32S80021201Page 23 of 69 Peak PowerNVNT3-DH52402MHzAnt1 Peak PowerNVNT3-DH52441MHzAnt1 ReportNo. :EED32S80021201Page 24 of 69 Peak PowerNVNT3-DH52480MHzAnt1 ReportNo. :EED32S80021201Page 25 of 69 -20dBBandwidth ConditionModeFrequency(MHz)Antenna-20 dB Bandwidth(MHz)Limit -20 dB Bandwidth(MHz)Verdict NVNT1-DH52402Ant10.9360Pass NVNT1-DH52441Ant10.9380Pass NVNT1-DH52480Ant10.9370Pass NVNT2-DH52402Ant11.1820Pass NVNT2-DH52441Ant11.1840Pass NVNT2-DH52480Ant11.1820Pass NVNT3-DH52402Ant11.1960Pass NVNT3-DH52441Ant11.1960Pass NVNT3-DH52480Ant11.1970Pass ReportNo. :EED32S80021201Page 26 of 69 Test Graphs -20dBBandwidthNVNT1-DH52402MHzAnt1 -20dBBandwidthNVNT1-DH52441MHzAnt1 ReportNo. :EED32S80021201Page 27 of 69 -20dBBandwidthNVNT1-DH52480MHzAnt1 -20dBBandwidthNVNT2-DH52402MHzAnt1 ReportNo. :EED32S80021201Page 28 of 69 -20dBBandwidthNVNT2-DH52441MHzAnt1 -20dBBandwidthNVNT2-DH52480MHzAnt1 ReportNo. :EED32S80021201Page 29 of 69 -20dBBandwidthNVNT3-DH52402MHzAnt1 -20dBBandwidthNVNT3-DH52441MHzAnt1 ReportNo. :EED32S80021201Page 30 of 69 -20dBBandwidthNVNT3-DH52480MHzAnt1 ReportNo. :EED32S80021201Page 31 of 69 OccupiedChannelBandwidth ConditionModeFrequency(MHz)Antenna99% OBW (MHz) NVNT1-DH52402Ant10.868 NVNT1-DH52441Ant10.872 NVNT1-DH52480Ant10.862 NVNT2-DH52402Ant11.136 NVNT2-DH52441Ant11.136 NVNT2-DH52480Ant11.134 NVNT3-DH52402Ant11.138 NVNT3-DH52441Ant11.139 NVNT3-DH52480Ant11.141

Report No. : EED32S80021201Page 1 of 58 TEST REPORT Product:Bluetooth Earbuds Trade mark: Model/Type reference:69517 Serial Number:N/A Report Number:EED32S80021201 FCC ID:2AI28-69517 Date of Issue:Apr. 21, 2026 Test Standards:47 CFR Part 15 Subpart C Test result:PASS Prepared for: Klein Tools, Inc. 450 Bond St. Lincolnshire, IL 60069 USA Prepared by: Centre Testing International Group Co., Ltd. Hongwei Industrial Park, Zone 70, Bao’an District, Shenzhen, Guangdong, China TEL: +86-755-3368 3668 FAX: +86-755-3368 3385 Compiled by:Reviewed by: Lucas LuKeven Tan Approved by:Date:Apr. 21, 2026 Aaron Ma Check No.::7200050126 Report No. : EED32S80021201Page 2 of 58 1 Contents Page 1 CONTENTS......................................................................................................................................................................2 2 TEST SUMMARY............................................................................................................................................................3 3 GENERAL INFORMATION...........................................................................................................................................4 3.1 C LIENTINFORMATION.................................................................................................................................................4 3.2 G ENERALDESCRIPTION OFEUT.................................................................................................................................4 3.3 T EST CONFIGURATION................................................................................................................................................ 6 3.4 T EST ENVIRONMENT...................................................................................................................................................7 3.5 D ESCRIPTION OFSUPPORTUNITS ............................................................................................................................... 7 3.6 T EST LOCATION.........................................................................................................................................................7 3.7 MEASUREMENTUNCERTAINTY(95%CONFIDENCE LEVELS, K=2) ..........................................................................8 3.8 EQUIPMENTLIST ........................................................................................................................................................9 4 TEST RESULTS AND MEASUREMENT DATA.....................................................................................................13 4.1 A NTENNAREQUIREMENT..........................................................................................................................................13 4.2 AC POWERLINE CONDUCTEDEMISSIONS................................................................................................................14 4.3 M AXIMUMCONDUCTEDOUTPUTPOWER.................................................................................................................18 4.4 20 DB E MISSIONBANDWIDTH....................................................................................................................................19 4.5 C ARRIERFREQUENCYSEPARATION..........................................................................................................................20 4.6 N UMBER OFHOPPINGCHANNEL...............................................................................................................................21 4.7 T IME OFOCCUPANCY................................................................................................................................................22 4.8 B AND EDGEMEASUREMENTS................................................................................................................................... 23 4.9 C ONDUCTEDSPURIOUSEMISSIONS...........................................................................................................................24 4.10 P SEUDORANDOMFREQUENCYHOPPINGSEQUENCE...............................................................................................25 4.11 R ADIATEDSPURIOUSEMISSION& R ESTRICTED BANDS.........................................................................................27 5 APPENDIX A.................................................................................................................................................................56 6 PHOTOGRAPHS.......................................................................................................................................................... 57 Report No. : EED32S80021201Page 3 of 58 2 Test Summary Test ItemTest RequirementResult Antenna Requirement 47 CFR Part 15, Subpart C Section 15.203/15.247 (c) PASS AC Power Line Conducted Emission 47 CFR Part 15, Subpart C Section 15.207 PASS Maximum Conducted Output Power 47 CFR Part 15, Subpart C Section 15.247 (b)(1) PASS 20dB Emission Bandwidth 47 CFR Part 15, Subpart C Section 15.247 (a)(1) PASS Carrier Frequency Separation 47 CFR Part 15, Subpart C Section 15.247 (a)(1) PASS Number of Hopping Channels 47 CFR Part 15, Subpart C Section 15.247 (a)(1) PASS Time of Occupancy47 CFR Part 15, Subpart C Section 15.247 (a)(1)PASS Pseudorandom Frequency Hopping Sequence 47 CFR Part 15, Subpart C Section 15.247(b)(4) PASS Band Edge Measurements 47 CFR Part 15, Subpart C Section 15.247(d) PASS Conducted Spurious Emissions 47 CFR Part 15, Subpart C Section 15.247(d) PASS Radiated Spurious emissions47 CFR Part 15, Subpart C Section 15.205/15.209PASS Restricted bands around fundamental frequency 47 CFR Part 15, Subpart C Section 15.205/15.209PASS Note: The product consists of the left ear and the right ear. The report only records the worst mode (the right ear). Report No. : EED32S80021201Page 4 of 58 3 General Information 3.1Client Information Applicant: Klein Tools, Inc. Address of Applicant: …

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ReportNo. : EED32S80021201Page 63 of 69 Tx. SpuriousNVNT2-DH52480MHzAnt1 Ref Tx. SpuriousNVNT2-DH52480MHzAnt1 Emission ReportNo. : EED32S80021201Page 64 of 69 Tx. SpuriousNVNT3-DH52402MHzAnt1 Ref Tx. SpuriousNVNT3-DH52402MHzAnt1 Emission ReportNo. : EED32S80021201Page 65 of 69 Tx. SpuriousNVNT3-DH52441MHzAnt1 Ref Tx. SpuriousNVNT3-DH52441MHzAnt1 Emission ReportNo. : EED32S80021201Page 66 of 69 Tx. SpuriousNVNT3-DH52480MHzAnt1 Ref Tx. SpuriousNVNT3-DH52480MHzAnt1 Emission ReportNo. : EED32S80021201Page 67 of 69 Numberof HoppingChannel ConditionModeAntennaHoppingNumberLimitVerdict NVNT1-DH5Ant17915Pass NVNT2-DH5Ant17915Pass NVNT3-DH5Ant17915Pass ReportNo. : EED32S80021201Page 68 of 69 Test Graphs HoppingNo. NVNT1-DH52441MHzAnt1 HoppingNo. NVNT2-DH52441MHzAnt1 ReportNo. : EED32S80021201Page 69 of 69 HoppingNo. NVNT3-DH52441MHzAnt1 *** End of Report***

ReportNo. : EED32S80021201Page 53 of 69 Band Edge(Hopping)NVNT2-DH52402MHzAnt1 HoppingRef Band Edge(Hopping)NVNT2-DH52402MHzAnt1 HoppingEmission ReportNo. : EED32S80021201Page 54 of 69 Band Edge(Hopping)NVNT2-DH52480MHzAnt1 HoppingRef Band Edge(Hopping)NVNT2-DH52480MHzAnt1 HoppingEmission ReportNo. : EED32S80021201Page 55 of 69 Band Edge(Hopping)NVNT3-DH52402MHzAnt1 HoppingRef Band Edge(Hopping)NVNT3-DH52402MHzAnt1 HoppingEmission ReportNo. : EED32S80021201Page 56 of 69 Band Edge(Hopping)NVNT3-DH52480MHzAnt1 HoppingRef Band Edge(Hopping)NVNT3-DH52480MHzAnt1 HoppingEmission ReportNo. : EED32S80021201Page 57 of 69 ConductedRF SpuriousEmission ConditionModeFrequency(MHz)AntennaMax Value (dBc)Limit (dBc)Verdict NVNT1-DH52402Ant1-34.79-20Pass NVNT1-DH52441Ant1-35.76-20Pass NVNT1-DH52480Ant1-35.99-20Pass NVNT2-DH52402Ant1-38.68-20Pass NVNT2-DH52441Ant1-35.37-20Pass NVNT2-DH52480Ant1-44.23-20Pass NVNT3-DH52402Ant1-41.15-20Pass NVNT3-DH52441Ant1-42.21-20Pass NVNT3-DH52480Ant1-44.16-20Pass ReportNo. : EED32S80021201Page 58 of 69 Test Graphs Tx. SpuriousNVNT1-DH52402MHzAnt1 Ref Tx. SpuriousNVNT1-DH52402MHzAnt1 Emission ReportNo. : EED32S80021201Page 59 of 69 Tx. SpuriousNVNT1-DH52441MHzAnt1 Ref Tx. SpuriousNVNT1-DH52441MHzAnt1 Emission ReportNo. : EED32S80021201Page 60 of 69 Tx. SpuriousNVNT1-DH52480MHzAnt1 Ref Tx. SpuriousNVNT1-DH52480MHzAnt1 Emission ReportNo. : EED32S80021201Page 61 of 69 Tx. SpuriousNVNT2-DH52402MHzAnt1 Ref Tx. SpuriousNVNT2-DH52402MHzAnt1 Emission ReportNo. : EED32S80021201Page 62 of 69 Tx. SpuriousNVNT2-DH52441MHzAnt1 Ref Tx. SpuriousNVNT2-DH52441MHzAnt1 Emission

ReportNo. : EED32S80021201Page 42 of 69 CFS NVNT3-DH52480MHzAnt1 ReportNo. : EED32S80021201Page 43 of 69 Band Edge ConditionModeFrequency(MHz)AntennaHoppingModeMax Value (dBc)Limit (dBc)Verdict NVNT1-DH52402Ant1No-Hopping-48.36-20Pass NVNT1-DH52480Ant1No-Hopping-51.71-20Pass NVNT2-DH52402Ant1No-Hopping-52.78-20Pass NVNT2-DH52480Ant1No-Hopping-51.95-20Pass NVNT3-DH52402Ant1No-Hopping-52.69-20Pass NVNT3-DH52480Ant1No-Hopping-52.23-20Pass ReportNo. : EED32S80021201Page 44 of 69 Test Graphs Band Edge NVNT1-DH52402MHzAnt1 No-HoppingRef Band Edge NVNT1-DH52402MHzAnt1 No-HoppingEmission ReportNo. : EED32S80021201Page 45 of 69 Band Edge NVNT1-DH52480MHzAnt1 No-HoppingRef Band Edge NVNT1-DH52480MHzAnt1 No-HoppingEmission ReportNo. : EED32S80021201Page 46 of 69 Band Edge NVNT2-DH52402MHzAnt1 No-HoppingRef Band Edge NVNT2-DH52402MHzAnt1 No-HoppingEmission ReportNo. : EED32S80021201Page 47 of 69 Band Edge NVNT2-DH52480MHzAnt1 No-HoppingRef Band Edge NVNT2-DH52480MHzAnt1 No-HoppingEmission ReportNo. : EED32S80021201Page 48 of 69 Band Edge NVNT3-DH52402MHzAnt1 No-HoppingRef Band Edge NVNT3-DH52402MHzAnt1 No-HoppingEmission ReportNo. : EED32S80021201Page 49 of 69 Band Edge NVNT3-DH52480MHzAnt1 No-HoppingRef Band Edge NVNT3-DH52480MHzAnt1 No-HoppingEmission ReportNo. : EED32S80021201Page 50 of 69 Band Edge(Hopping) ConditionModeFrequency(MHz)AntennaHoppingModeMax Value (dBc)Limit (dBc)Verdict NVNT1-DH52402Ant1Hopping-54.57-20Pass NVNT1-DH52480Ant1Hopping-53.65-20Pass NVNT2-DH52402Ant1Hopping-42.81-20Pass NVNT2-DH52480Ant1Hopping-41.08-20Pass NVNT3-DH52402Ant1Hopping-41.92-20Pass NVNT3-DH52480Ant1Hopping-41.53-20Pass ReportNo. : EED32S80021201Page 51 of 69 Test Graphs Band Edge(Hopping)NVNT1-DH52402MHzAnt1 HoppingRef Band Edge(Hopping)NVNT1-DH52402MHzAnt1 HoppingEmission ReportNo. : EED32S80021201Page 52 of 69 Band Edge(Hopping)NVNT1-DH52480MHzAnt1 HoppingRef Band Edge(Hopping)NVNT1-DH52480MHzAnt1 HoppingEmission

ReportNo. : EED32S80021201Page 31 of 69 OccupiedChannelBandwidth ConditionModeFrequency(MHz)Antenna99% OBW (MHz) NVNT1-DH52402Ant10.862 NVNT1-DH52441Ant10.86 NVNT1-DH52480Ant10.858 NVNT2-DH52402Ant11.126 NVNT2-DH52441Ant11.125 NVNT2-DH52480Ant11.127 NVNT3-DH52402Ant11.128 NVNT3-DH52441Ant11.129 NVNT3-DH52480Ant11.131 ReportNo. : EED32S80021201Page 32 of 69 Test Graphs OBW NVNT1-DH52402MHzAnt1 OBW NVNT1-DH52441MHzAnt1 ReportNo. : EED32S80021201Page 33 of 69 OBW NVNT1-DH52480MHzAnt1 OBW NVNT2-DH52402MHzAnt1 ReportNo. : EED32S80021201Page 34 of 69 OBW NVNT2-DH52441MHzAnt1 OBW NVNT2-DH52480MHzAnt1 ReportNo. : EED32S80021201Page 35 of 69 OBW NVNT3-DH52402MHzAnt1 OBW NVNT3-DH52441MHzAnt1 ReportNo. : EED32S80021201Page 36 of 69 OBW NVNT3-DH52480MHzAnt1 ReportNo. : EED32S80021201Page 37 of 69 CarrierFrequenciesSeparation ConditionModeAntennaHoppingFreq1(MHz)HoppingFreq2(MHz)HFS (MHz)Limit (MHz)Verdict NVNT1-DH5Ant12402.022403.0210.025Pass NVNT1-DH5Ant12441.1862442.0220.8360.025Pass NVNT1-DH5Ant12479.022480.0221.0020.025Pass NVNT2-DH5Ant12402.022403.0210.025Pass NVNT2-DH5Ant12441.032442.0321.0020.025Pass NVNT2-DH5Ant12479.1882480.0280.840.025Pass NVNT3-DH5Ant12402.022403.0221.0020.025Pass NVNT3-DH5Ant12441.0242442.0220.9980.025Pass NVNT3-DH5Ant12479.0222480.0241.0020.025Pass ReportNo. : EED32S80021201Page 38 of 69 Test Graphs CFS NVNT1-DH52402MHzAnt1 CFS NVNT1-DH52441MHzAnt1 ReportNo. : EED32S80021201Page 39 of 69 CFS NVNT1-DH52480MHzAnt1 CFS NVNT2-DH52402MHzAnt1 ReportNo. : EED32S80021201Page 40 of 69 CFS NVNT2-DH52441MHzAnt1 CFS NVNT2-DH52480MHzAnt1 ReportNo. : EED32S80021201Page 41 of 69 CFS NVNT3-DH52402MHzAnt1 CFS NVNT3-DH52441MHzAnt1

ReportNo. : EED32S80021201Page 20 of 69 Test Graphs Peak PowerNVNT1-DH52402MHzAnt1 Peak PowerNVNT1-DH52441MHzAnt1 ReportNo. : EED32S80021201Page 21 of 69 Peak PowerNVNT1-DH52480MHzAnt1 Peak PowerNVNT2-DH52402MHzAnt1 ReportNo. : EED32S80021201Page 22 of 69 Peak PowerNVNT2-DH52441MHzAnt1 Peak PowerNVNT2-DH52480MHzAnt1 ReportNo. : EED32S80021201Page 23 of 69 Peak PowerNVNT3-DH52402MHzAnt1 Peak PowerNVNT3-DH52441MHzAnt1 ReportNo. : EED32S80021201Page 24 of 69 Peak PowerNVNT3-DH52480MHzAnt1 ReportNo. : EED32S80021201Page 25 of 69 -20dBBandwidth ConditionModeFrequency(MHz)Antenna-20 dB Bandwidth(MHz)Limit -20 dB Bandwidth(MHz)Verdict NVNT1-DH52402Ant10.8920Pass NVNT1-DH52441Ant10.8920Pass NVNT1-DH52480Ant10.8920Pass NVNT2-DH52402Ant11.1730Pass NVNT2-DH52441Ant11.1730Pass NVNT2-DH52480Ant11.1750Pass NVNT3-DH52402Ant11.1820Pass NVNT3-DH52441Ant11.1840Pass NVNT3-DH52480Ant11.1810Pass ReportNo. : EED32S80021201Page 26 of 69 Test Graphs -20dBBandwidthNVNT1-DH52402MHzAnt1 -20dBBandwidthNVNT1-DH52441MHzAnt1 ReportNo. : EED32S80021201Page 27 of 69 -20dBBandwidthNVNT1-DH52480MHzAnt1 -20dBBandwidthNVNT2-DH52402MHzAnt1 ReportNo. : EED32S80021201Page 28 of 69 -20dBBandwidthNVNT2-DH52441MHzAnt1 -20dBBandwidthNVNT2-DH52480MHzAnt1 ReportNo. : EED32S80021201Page 29 of 69 -20dBBandwidthNVNT3-DH52402MHzAnt1 -20dBBandwidthNVNT3-DH52441MHzAnt1 ReportNo. : EED32S80021201Page 30 of 69 -20dBBandwidthNVNT3-DH52480MHzAnt1

ReportNo. : EED32S80021201Page 10 of 69 Dwell NVNT3-DH12402MHzAnt1 One Burst Dwell NVNT3-DH12402MHzAnt1 Accumulated ReportNo. : EED32S80021201Page 11 of 69 Dwell NVNT3-DH32402MHzAnt1 One Burst Dwell NVNT3-DH32402MHzAnt1 Accumulated ReportNo. : EED32S80021201Page 12 of 69 Dwell NVNT3-DH52402MHzAnt1 One Burst Dwell NVNT3-DH52402MHzAnt1 Accumulated ReportNo. : EED32S80021201Page 13 of 69 Duty Cycle ConditionModeFrequency(MHz)AntennaDuty Cycle(%)CorrectionFactor(dB)1/T (kHz) NVNT1-DH52402Ant177.651.10.34 NVNT1-DH52441Ant177.651.10.34 NVNT1-DH52480Ant177.651.10.34 NVNT2-DH52402Ant177.811.090.34 NVNT2-DH52441Ant177.811.090.34 NVNT2-DH52480Ant177.811.090.34 NVNT3-DH52402Ant177.871.090.34 NVNT3-DH52441Ant177.871.090.34 NVNT3-DH52480Ant177.81.090.34 ReportNo. : EED32S80021201Page 14 of 69 Test Graphs Duty Cycle NVNT1-DH52402MHzAnt1 Duty Cycle NVNT1-DH52441MHzAnt1 ReportNo. : EED32S80021201Page 15 of 69 Duty Cycle NVNT1-DH52480MHzAnt1 Duty Cycle NVNT2-DH52402MHzAnt1 ReportNo. : EED32S80021201Page 16 of 69 Duty Cycle NVNT2-DH52441MHzAnt1 Duty Cycle NVNT2-DH52480MHzAnt1 ReportNo. : EED32S80021201Page 17 of 69 Duty Cycle NVNT3-DH52402MHzAnt1 Duty Cycle NVNT3-DH52441MHzAnt1 ReportNo. : EED32S80021201Page 18 of 69 Duty Cycle NVNT3-DH52480MHzAnt1 ReportNo. : EED32S80021201Page 19 of 69 MaximumPeak ConductedOutputPower ConditionModeFrequency (MHz) AntennaConductedPower (dBm) Duty Factor (dB) Total Power (dBm) Limit (dBm) Verdict NVNT1-DH52402Ant1-4.010-4.0121Pass NVNT1-DH52441Ant1-4.190-4.1921Pass NVNT1-DH52480Ant1-4.970-4.9721Pass NVNT2-DH52402Ant1-4.340-4.3421Pass NVNT2-DH52441Ant1-4.250-4.2521Pass NVNT2-DH52480Ant1-5.130-5.1321Pass NVNT3-DH52402Ant1-4.490-4.4921Pass NVNT3-DH52441Ant1-4.690-4.6921Pass NVNT3-DH52480Ant1-5.290-5.2921Pass

ReportNo. : EED32S80021201Page 1 of 69 Appendix:BluetoothClassic-Rightear ReportNo. : EED32S80021201Page 2 of 69 Contents Dwell Time ..................................................................................................................................................................................................3 Duty Cycle ................................................................................................................................................................................................13 MaximumPeak ConductedOutputPower................................................................................................................................................19 -20dBBandwidth......................................................................................................................................................................................25 OccupiedChannelBandwidth..................................................................................................................................................................31 CarrierFrequenciesSeparation................................................................................................................................................................37 Band Edge ................................................................................................................................................................................................43 Band Edge(Hopping)................................................................................................................................................................................50 ConductedRF SpuriousEmission............................................................................................................................................................57 Numberof HoppingChannel....................................................................................................................................................................67 ReportNo. : EED32S80021201Page 3 of 69 DwellTime ConditionModeFrequency (MHz) AntennaPulseTime (ms) Total Dwell Time (ms) Burst Count PeriodTime (ms) Limit (ms) Verdict NVNT1-DH12402Ant10.406129.51431931600400Pass NVNT1-DH32402Ant11.662259.27215631600400Pass NVNT1-DH52402Ant12.91296.8210231600400Pass NVNT2-DH12402Ant10.417133.4432031600400Pass NVNT2-DH32402Ant11.669263.70215831600400Pass NVNT2-DH52402Ant12.917306.28510531600400Pass NVNT3-DH12402Ant10.417133.02331931600400Pass NVNT3-DH32402Ant11.667266.7216031600400Pass NVNT3-DH52402Ant12.918294.71810131600400Pass ReportNo. : EED32S80021201Page 4 of 69 Test Graphs Dwell NVNT1-DH12402MHzAnt1 One Burst Dwell NVNT1-DH12402MHzAnt1 Accumulated ReportNo. : EED32S80021201Page 5 of 69 Dwell NVNT1-DH32402MHzAnt1 One Burst Dwell NVNT1-DH32402MHzAnt1 Accumulated ReportNo. : EED32S80021201Page 6 of 69 Dwell NVNT1-DH52402MHzAnt1 One Burst Dwell NVNT1-DH52402MHzAnt1 Accumulated ReportNo. : EED32S80021201Page 7 of 69 Dwell NVNT2-DH12402MHzAnt1 One Burst Dwell NVNT2-DH12402MHzAnt1 Accumulated ReportNo. : EED32S80021201Page 8 of 69 Dwell NVNT2-DH32402MHzAnt1 One Burst Dwell NVNT2-DH32402MHzAnt1 Accumulated ReportNo. : EED32S80021201Page 9 of 69 Dwell NVNT2-DH52402MHzAnt1 One Burst Dwell NVNT2-DH52402MHzAnt1 Accumulated

ReportNo. :EED32S80021201Page 63 of 69 Tx. SpuriousNVNT2-DH52480MHzAnt1 Ref Tx. SpuriousNVNT2-DH52480MHzAnt1 Emission ReportNo. :EED32S80021201Page 64 of 69 Tx. SpuriousNVNT3-DH52402MHzAnt1 Ref Tx. SpuriousNVNT3-DH52402MHzAnt1 Emission ReportNo. :EED32S80021201Page 65 of 69 Tx. SpuriousNVNT3-DH52441MHzAnt1 Ref Tx. SpuriousNVNT3-DH52441MHzAnt1 Emission ReportNo. :EED32S80021201Page 66 of 69 Tx. SpuriousNVNT3-DH52480MHzAnt1 Ref Tx. SpuriousNVNT3-DH52480MHzAnt1 Emission ReportNo. :EED32S80021201Page 67 of 69 Numberof HoppingChannel ConditionModeAntennaHoppingNumberLimitVerdict NVNT1-DH5Ant17915Pass NVNT2-DH5Ant17915Pass NVNT3-DH5Ant17915Pass ReportNo. :EED32S80021201Page 68 of 69 Test Graphs HoppingNo. NVNT1-DH52441MHzAnt1 HoppingNo. NVNT2-DH52441MHzAnt1 ReportNo. :EED32S80021201Page 69 of 69 HoppingNo. NVNT3-DH52441MHzAnt1 *** End of Report***

ReportNo. :EED32S80021201Page 53 of 69 Band Edge(Hopping)NVNT2-DH52402MHzAnt1 HoppingRef Band Edge(Hopping)NVNT2-DH52402MHzAnt1 HoppingEmission ReportNo. :EED32S80021201Page 54 of 69 Band Edge(Hopping)NVNT2-DH52480MHzAnt1 HoppingRef Band Edge(Hopping)NVNT2-DH52480MHzAnt1 HoppingEmission ReportNo. :EED32S80021201Page 55 of 69 Band Edge(Hopping)NVNT3-DH52402MHzAnt1 HoppingRef Band Edge(Hopping)NVNT3-DH52402MHzAnt1 HoppingEmission ReportNo. :EED32S80021201Page 56 of 69 Band Edge(Hopping)NVNT3-DH52480MHzAnt1 HoppingRef Band Edge(Hopping)NVNT3-DH52480MHzAnt1 HoppingEmission ReportNo. :EED32S80021201Page 57 of 69 ConductedRF SpuriousEmission ConditionModeFrequency(MHz)AntennaMax Value (dBc)Limit (dBc)Verdict NVNT1-DH52402Ant1-33.67-20Pass NVNT1-DH52441Ant1-33.75-20Pass NVNT1-DH52480Ant1-33.12-20Pass NVNT2-DH52402Ant1-38.66-20Pass NVNT2-DH52441Ant1-40.74-20Pass NVNT2-DH52480Ant1-39.24-20Pass NVNT3-DH52402Ant1-39.54-20Pass NVNT3-DH52441Ant1-38.77-20Pass NVNT3-DH52480Ant1-40.1-20Pass ReportNo. :EED32S80021201Page 58 of 69 Test Graphs Tx. SpuriousNVNT1-DH52402MHzAnt1 Ref Tx. SpuriousNVNT1-DH52402MHzAnt1 Emission ReportNo. :EED32S80021201Page 59 of 69 Tx. SpuriousNVNT1-DH52441MHzAnt1 Ref Tx. SpuriousNVNT1-DH52441MHzAnt1 Emission ReportNo. :EED32S80021201Page 60 of 69 Tx. SpuriousNVNT1-DH52480MHzAnt1 Ref Tx. SpuriousNVNT1-DH52480MHzAnt1 Emission ReportNo. :EED32S80021201Page 61 of 69 Tx. SpuriousNVNT2-DH52402MHzAnt1 Ref Tx. SpuriousNVNT2-DH52402MHzAnt1 Emission ReportNo. :EED32S80021201Page 62 of 69 Tx. SpuriousNVNT2-DH52441MHzAnt1 Ref Tx. SpuriousNVNT2-DH52441MHzAnt1 Emission

ReportNo. :EED32S80021201Page 43 of 69 Band Edge ConditionModeFrequency(MHz)AntennaHoppingModeMax Value (dBc)Limit (dBc)Verdict NVNT1-DH52402Ant1No-Hopping-49.71-20Pass NVNT1-DH52480Ant1No-Hopping-50.17-20Pass NVNT2-DH52402Ant1No-Hopping-49.59-20Pass NVNT2-DH52480Ant1No-Hopping-49.24-20Pass NVNT3-DH52402Ant1No-Hopping-49.29-20Pass NVNT3-DH52480Ant1No-Hopping-49.17-20Pass ReportNo. :EED32S80021201Page 44 of 69 Test Graphs Band Edge NVNT1-DH52402MHzAnt1 No-HoppingRef Band Edge NVNT1-DH52402MHzAnt1 No-HoppingEmission ReportNo. :EED32S80021201Page 45 of 69 Band Edge NVNT1-DH52480MHzAnt1 No-HoppingRef Band Edge NVNT1-DH52480MHzAnt1 No-HoppingEmission ReportNo. :EED32S80021201Page 46 of 69 Band Edge NVNT2-DH52402MHzAnt1 No-HoppingRef Band Edge NVNT2-DH52402MHzAnt1 No-HoppingEmission ReportNo. :EED32S80021201Page 47 of 69 Band Edge NVNT2-DH52480MHzAnt1 No-HoppingRef Band Edge NVNT2-DH52480MHzAnt1 No-HoppingEmission ReportNo. :EED32S80021201Page 48 of 69 Band Edge NVNT3-DH52402MHzAnt1 No-HoppingRef Band Edge NVNT3-DH52402MHzAnt1 No-HoppingEmission ReportNo. :EED32S80021201Page 49 of 69 Band Edge NVNT3-DH52480MHzAnt1 No-HoppingRef Band Edge NVNT3-DH52480MHzAnt1 No-HoppingEmission ReportNo. :EED32S80021201Page 50 of 69 Band Edge(Hopping) ConditionModeFrequency(MHz)AntennaHoppingModeMax Value (dBc)Limit (dBc)Verdict NVNT1-DH52402Ant1Hopping-38.01-20Pass NVNT1-DH52480Ant1Hopping-39.71-20Pass NVNT2-DH52402Ant1Hopping-38.41-20Pass NVNT2-DH52480Ant1Hopping-39.05-20Pass NVNT3-DH52402Ant1Hopping-38.22-20Pass NVNT3-DH52480Ant1Hopping-39.47-20Pass ReportNo. :EED32S80021201Page 51 of 69 Test Graphs Band Edge(Hopping)NVNT1-DH52402MHzAnt1 HoppingRef Band Edge(Hopping)NVNT1-DH52402MHzAnt1 HoppingEmission ReportNo. :EED32S80021201Page 52 of 69 Band Edge(Hopping)NVNT1-DH52480MHzAnt1 HoppingRef Band Edge(Hopping)NVNT1-DH52480MHzAnt1 HoppingEmission

ReportNo. :EED32S80021201Page 32 of 69 Test Graphs OBW NVNT1-DH52402MHzAnt1 OBW NVNT1-DH52441MHzAnt1 ReportNo. :EED32S80021201Page 33 of 69 OBW NVNT1-DH52480MHzAnt1 OBW NVNT2-DH52402MHzAnt1 ReportNo. :EED32S80021201Page 34 of 69 OBW NVNT2-DH52441MHzAnt1 OBW NVNT2-DH52480MHzAnt1 ReportNo. :EED32S80021201Page 35 of 69 OBW NVNT3-DH52402MHzAnt1 OBW NVNT3-DH52441MHzAnt1 ReportNo. :EED32S80021201Page 36 of 69 OBW NVNT3-DH52480MHzAnt1 ReportNo. :EED32S80021201Page 37 of 69 CarrierFrequenciesSeparation ConditionModeAntennaHoppingFreq1(MHz)HoppingFreq2(MHz)HFS (MHz)Limit (MHz)Verdict NVNT1-DH5Ant12402.0142403.0161.0020.025Pass NVNT1-DH5Ant12441.0242442.0140.990.025Pass NVNT1-DH5Ant12479.022480.0140.9940.025Pass NVNT2-DH5Ant12402.012403.0161.0060.025Pass NVNT2-DH5Ant12441.0142442.0161.0020.025Pass NVNT2-DH5Ant12479.0162480.01610.025Pass NVNT3-DH5Ant12402.0082403.0221.0140.025Pass NVNT3-DH5Ant12441.012442.0161.0060.025Pass NVNT3-DH5Ant12479.1822480.020.8380.025Pass ReportNo. :EED32S80021201Page 38 of 69 Test Graphs CFS NVNT1-DH52402MHzAnt1 CFS NVNT1-DH52441MHzAnt1 ReportNo. :EED32S80021201Page 39 of 69 CFS NVNT1-DH52480MHzAnt1 CFS NVNT2-DH52402MHzAnt1 ReportNo. :EED32S80021201Page 40 of 69 CFS NVNT2-DH52441MHzAnt1 CFS NVNT2-DH52480MHzAnt1 ReportNo. :EED32S80021201Page 41 of 69 CFS NVNT3-DH52402MHzAnt1 CFS NVNT3-DH52441MHzAnt1 ReportNo. :EED32S80021201Page 42 of 69 CFS NVNT3-DH52480MHzAnt1

Rev 2/17/2023 Klein Tools Inc. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: March 9, 2026 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2AI28-69517 Klein Tools 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. Klein Tools Inc.(“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Device is inherently compliant based on hardware limitations or software controls. or A Software Bill of Materials (SBOM) is provided to the TCB for review, and The end-user or third parties cannot install additional software on this device. Sincerely, Signature: Printed name: Russell Goldmann II

ReportNo. :EED32S80021201Page 11 of 69 Dwell NVNT3-DH32402MHzAnt1 One Burst Dwell NVNT3-DH32402MHzAnt1 Accumulated ReportNo. :EED32S80021201Page 12 of 69 Dwell NVNT3-DH52402MHzAnt1 One Burst Dwell NVNT3-DH52402MHzAnt1 Accumulated ReportNo. :EED32S80021201Page 13 of 69 Duty Cycle ConditionModeFrequency(MHz)AntennaDuty Cycle(%)CorrectionFactor(dB)1/T (kHz) NVNT1-DH52402Ant177.61.10.34 NVNT1-DH52441Ant177.651.10.34 NVNT1-DH52480Ant177.651.10.34 NVNT2-DH52402Ant177.811.090.34 NVNT2-DH52441Ant177.811.090.34 NVNT2-DH52480Ant177.811.090.34 NVNT3-DH52402Ant177.871.090.34 NVNT3-DH52441Ant177.81.090.34 NVNT3-DH52480Ant177.871.090.34 ReportNo. :EED32S80021201Page 14 of 69 Test Graphs Duty Cycle NVNT1-DH52402MHzAnt1 Duty Cycle NVNT1-DH52441MHzAnt1 ReportNo. :EED32S80021201Page 15 of 69 Duty Cycle NVNT1-DH52480MHzAnt1 Duty Cycle NVNT2-DH52402MHzAnt1 ReportNo. :EED32S80021201Page 16 of 69 Duty Cycle NVNT2-DH52441MHzAnt1 Duty Cycle NVNT2-DH52480MHzAnt1 ReportNo. :EED32S80021201Page 17 of 69 Duty Cycle NVNT3-DH52402MHzAnt1 Duty Cycle NVNT3-DH52441MHzAnt1 ReportNo. :EED32S80021201Page 18 of 69 Duty Cycle NVNT3-DH52480MHzAnt1 ReportNo. :EED32S80021201Page 19 of 69 MaximumPeak ConductedOutputPower ConditionModeFrequency (MHz) AntennaConductedPower (dBm) Duty Factor (dB) Total Power (dBm) Limit (dBm) Verdict NVNT1-DH52402Ant1-6.50-6.521Pass NVNT1-DH52441Ant1-6.640-6.6421Pass NVNT1-DH52480Ant1-6.540-6.5421Pass NVNT2-DH52402Ant1-6.540-6.5421Pass NVNT2-DH52441Ant1-6.660-6.6621Pass NVNT2-DH52480Ant1-6.580-6.5821Pass NVNT3-DH52402Ant1-6.430-6.4321Pass NVNT3-DH52441Ant1-6.610-6.6121Pass NVNT3-DH52480Ant1-6.570-6.5721Pass ReportNo. :EED32S80021201Page 20 of 69 Test Graphs Peak PowerNVNT1-DH52402MHzAnt1 Peak PowerNVNT1-DH52441MHzAnt1

ReportNo. :EED32S80021201Page 1 of 69 Appendix:BluetoothClassic-Leftear ReportNo. :EED32S80021201Page 2 of 69 Contents Dwell Time ..................................................................................................................................................................................................3 Duty Cycle ................................................................................................................................................................................................13 MaximumPeak ConductedOutputPower................................................................................................................................................19 -20dBBandwidth......................................................................................................................................................................................25 OccupiedChannelBandwidth..................................................................................................................................................................31 CarrierFrequenciesSeparation............................................................…

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