2BUHE-WL01Audio smart glasses

WENZHOUSUNRISEINDUSTRIALANDTRADINGCO.LTD. Date:3February2026 To:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Attestation Section2.911(d)(5)(i)andSection2.911(d)(5)(ii) (KDB986446D01CoveredEquipment) Section2.911(d)(5)(i) WENZHOUSUNRISEINDUSTRIALANDTRADINGCO.LTD.(“theapplicant”) certifiesthattheequipmentforwhichauthorizationissoughtisnot“covered” equipmentprohibitedfromreceivinganequipmentauthorizationpursuanttosection 2.903oftheFCCrules. Thesoftwaretobeloadedpriortomarketingoftheequipmentidentifiedbelowisnot "covered"softwaremanufacturedbyanyentityincludingpredecessors,successors, parents,subsidiaries,oraffiliatesoranyentitywhichhasrebrandedorrelabeledthe softwareproducedbytheentity(ies)identifiedonthe"CoveredList"DA24-886and KDB986446D01CoveredEquipmentGuidancesectionB(2a). WENZHOUSUNRISEINDUSTRIALANDTRADINGCO.LTD.(“theapplicant”) furthercertifiesthatnoCybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwith integratedKasperskyLab,Inc.(oranyofitssuccessorsandassignees)cybersecurity oranti-virussoftwareisinstalledintheequipmentbeingcertified. Section2.911(d)(5)(ii) WENZHOUSUNRISEINDUSTRIALANDTRADINGCO.LTD.(“theapplicant”) certifiesthat,asofthedateofthefilingoftheapplication,theapplicant[isnot] identifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiaries oraffiliates)asanentityproducing“covered”equipment. TypeofEquipmentsubjecttoFCCCertification:FCCID:2BUHE-WL01 Ifyouhaveanyquestions,pleasefeelfreetocontactme ContactPerson:Zhangyan PositionintheCompany:Projectmanager DateofSignature: ___________________________ Signatory

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Date:3February2026 WENZHOUSUNRISEINDUSTRIALANDTRADINGCO.LTD. To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 ToWhomItMayConcern: TheWENZHOUSUNRISEINDUSTRIALANDTRADINGCO.LTD.theundersigned,hereby authorizesMr.WuXuewenfromShenzhenBALUNTechnologyCo.,Ltd.,toactonthebehalfof theWENZHOUSUNRISEINDUSTRIALANDTRADINGCO.LTD.solelyinmattersrelatingtothe applicationforanFCCequipmentauthorizationforFCCID:2BUHE-WL01includingthesigning ofdocumentsinconnectionwiththisApplication.NecessaryactscarriedoutbyShenzhen BALUNTechnologyCo.,Ltd.inconnectionwiththeApplicationshallhavethesameeffectas actsoftheWENZHOUSUNRISEINDUSTRIALANDTRADINGCO.LTD. TheWENZHOUSUNRISEINDUSTRIALANDTRADINGCO.LTD.alsoherebycertifythatnoparty tothisapplicationissubjecttoadenialofbenefits,includingFCCbenefits,pursuanttoSection 5301oftheAnti-DrugAbuseActof1988,21U.S.C.Section862. YoursSincerely, Zhangyan

Date:9February2026 WENZHOUSUNRISEINDUSTRIALANDTRADINGCO.LTD. To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 Re:WENZHOUSUNRISEINDUSTRIALANDTRADINGCO.LTD. FCCID:2BUHE-WL01 FCCCertificationConfidentialityRequest Gentlemen: Thisletteristocomplywith47CFR0.457and0.459pertainingtoconfidentiality material.WENZHOUSUNRISEINDUSTRIALANDTRADINGCO.LTD. requeststhatthefollowingdocumentsregardingthissubmissionforFCCID: 2AXWI-R72ULTRAbekeptconfidential: ExhibitTypeFileName BlockDiagramBlockDiagram.pdf SchematicsSchematics.pdf OperationalDescriptionOperationalDescription.pdf Andbelowexhibitkeptshort-termconfidential(180days): ExternalphotosBL-SZ25C1428-AWEUTexternalphoto.pdf Testsetupphotos BL-SZ25C1428-AEEUTtestsetupphoto.pdf、BL-SZ25C1428-AR RFtestsetupphoto.pdf、BL-SZ25C1428-ASSARtestsetup photo.pdf InternalphotosBL-SZ25C1428-AIEUTinternalphoto.pdf UsermanualUsermanual.pdf Thosedocumentscontaindetailedsystemandequipmentdescriptionandrelated informationabouttheproductwhichWENZHOUSUNRISEINDUSTRIALAND TRADINGCO.LTD..considerstobeconfidentialproprietary,acustomdesignand, otherwise,notreleasabletothegeneralpublic.Sincethisdesignisabasisform whichfuturetechnologicalproductswillevolve,WENZHOUSUNRISE INDUSTRIALANDTRADINGCO.LTD.considersthisinformationwouldbeof benefittoitscompetitors,andthatthedisclosureoftheinformationinthese documentswouldgivecompetitorsanunfairadvantageinthemarket. YoursSincerely, Zhangyan

22mm 4 0. 4mm Label

Report No.: BL-SZ25C1428-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 33 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Head-1 (205-07-31) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: WENZHOU SUNRISE INDUSTRIAL AND TRADING CO. LTD. Address: Building#1, #1 Tonghui Road, Panqiao Street, Ouhai District, Wenzhou, Zhejiang, 325000, China Equipment Type: Audio smart glasses Model Name: WL-01 Brand Name: N/A FCC ID: 2BUHE-WL01 Test Standard: FCC 47 CFR Part 2.1093 (refer to section 3.1) Maximum SAR: Head (1 g@0mm): 0.23 W/kg Sample Arrival Date: Jan. 05, 2026 Test Date: Jan. 10, 2026 Date of Issue: Feb. 04, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Xu Rui Checked by: Zong Liyao Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: BL-SZ25C1428-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 33 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Head-1 (205-07-31) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Revision History Version Issue Date Revisions Content Rev. 01 Feb. 04, 2026 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 1.3 Test Environment Condition .......................................................................................... 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information .................................................................................................... 5 2.2 Manufacturer Information .............................................................................................. 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Ancillary Equipment ...................................................................................................... 5 2.5 Technical Information ................................................................................................... 6 3 SUMMARY OF TEST RESULT ................................................................................................. 7 3.1 Test Standards ............................................................................................................. 7 3.2 Device Category and SAR Limit ................................................................................... 8 3.3 Test Result Summary ................................................................................................... 9 3.4 Test Uncertainty ......................................................................................................... 10 4 MEASUREMENT SYSTEM ..................................................................................................... 11 4.1 Specific Absorption Rate (SAR) Definition .................................................................. 11 4.2 DASY SAR System .................................................................................................... 12 5 SYSTEM VERIFICATION ........................................................................................................ 19 5.1 Purpose of System Check .......................................................................................... 19 5.2 System Check Setup .................................................................................................. 19 6 TEST POSITION CONFIGURATIONS .................................................................................... 20 7 MEASUREMENT PROCEDURE ............................................................................................. 21 7.1 Measurement Process Diagram ................................................................................. 21 Report No.: BL-SZ25C1428-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 33 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Head-1 (205-07-31) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 7.2 SAR Scan General Requirement ................................................................................ 22 7.3 Measurement Procedure ............................................................................................ 23 7.4 Area & Zoom Scan Procedure .................................................................................... 23 8 CONDUCTED RF OUPUT POWER ........................................................................................ 24 8.1 Bluetooth .................................................................................................................... 24 9 TEST EXCLUSION CONSIDERATION ................................................................................... 25 10 TEST RESULT ........................................................................................................................ 26 10.1 Bluetooth .................................................................................................................... 26 11 SAR Measurement Variability .................................................................................................. 27 12 SIMULTANEOUS TRANSMISSION ......................................................................................... 28 13 TEST EQUIPMENTS LIST ...................................................................................................... 29 ANNEX A…

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Report No.: BL-SZ25C1428-AC 1 / 32 CALIBRATION REPORT F.1 E-Field Probe (EX3DV4 - SN:7664) Report No.: BL-SZ25C1428-AC 2 / 32 Report No.: BL-SZ25C1428-AC 3 / 32 Report No.: BL-SZ25C1428-AC 4 / 32 Report No.: BL-SZ25C1428-AC 5 / 32 Report No.: BL-SZ25C1428-AC 6 / 32 Report No.: BL-SZ25C1428-AC 7 / 32 Report No.: BL-SZ25C1428-AC 8 / 32 Report No.: BL-SZ25C1428-AC 9 / 32 Report No.: BL-SZ25C1428-AC 10 / 32 Report No.: BL-SZ25C1428-AC 11 / 32 Report No.: BL-SZ25C1428-AC 12 / 32 Report No.: BL-SZ25C1428-AC 13 / 32 Report No.: BL-SZ25C1428-AC 14 / 32 Report No.: BL-SZ25C1428-AC 15 / 32 Report No.: BL-SZ25C1428-AC 16 / 32 Report No.: BL-SZ25C1428-AC 17 / 32 Report No.: BL-SZ25C1428-AC 18 / 32 Report No.: BL-SZ25C1428-AC 19 / 32 Report No.: BL-SZ25C1428-AC 20 / 32 Report No.: BL-SZ25C1428-AC 21 / 32 Report No.: BL-SZ25C1428-AC 22 / 32 Report No.: BL-SZ25C1428-AC 23 / 32 F.2 Data Acquisition Electronics (DAE4 - SN:878) Report No.: BL-SZ25C1428-AC 24 / 32 Report No.: BL-SZ25C1428-AC 25 / 32 Report No.: BL-SZ25C1428-AC 26 / 32 F.3 2450 MHz Dipole Report No.: BL-SZ25C1428-AC 27 / 32 Report No.: BL-SZ25C1428-AC 28 / 32 Report No.: BL-SZ25C1428-AC 29 / 32 Report No.: BL-SZ25C1428-AC 30 / 32 Report No.: BL-SZ25C1428-AC 31 / 32 Report No.: BL-SZ25C1428-AC 32 / 32 D2450V2 Dipole impedance and return loss Validation Meas. Results Current Meas. Previous Meas. Max. Deviation Meas. Data 2025.05.06 2024.05.07 / Return Loss(dB) -27.271 -27.884 -2.20% Impedance 51.780 Ω + 5.716 jΩ 51.604 Ω + 3.776 jΩ 1.941Ω (Imaginary part) --END OF REPORT--

8 CONDUCTED RF OUPUT POWER 8.1 Bluetooth 8.1.1 Bluetooth Output Power 8.1.2 Bluetooth Duty Cycle BL-SZ25C1428-AP 1/7 8.1Bluetooth 8.1.1Bluetooth Output Power Bluetooth-Ant.0-Full Power Test Mode Modulati on Channel number Frequenc y(MHz) AV power (dBm) Tune up (dBm)) SAR Test BT DH5 02402 -2.75 -2.00 No 392441 -2.28 -2.00 No 782480 -2.13 -2.00 No 2DH5 02402 0.30 1.00 Yes 392441 0.64 1.00 Yes 782480 0.72 1.00 Yes 3DH5 02402 0.30 1.00 No 392441 0.62 1.00 No 782480 0.58 1.00 No BLE1M 02402 -2.56 -1.50 Yes 192440 -2.12 -1.50 Yes 392480 -1.77 -1.50 Yes BLE2M 12404 -2.49 -1.50 No 192440 -1.98 -1.50 No 382478 -1.68 -1.50 No Note: Since bluetooth EDR mode is the maximum output power mode ， SAR measurements were performed with test software using 2DH5 modulation, and SAR measurement is not required for the BR and 3DH5. When the secondary mode is ≤ ¼ dB higher than the primary mode. BL-SZ25C1428-AP 2/7 Bluetooth-Ant.1-Full Power Test Mode Modulati on Channel number Frequenc y(MHz) AV power (dBm) Tune up (dBm)) SAR Test BT DH5 02402 -0.21 0.00 No 392441 -0.59 0.00 No 782480 -1.73 0.00 No 2DH5 02402 -1.94 -1.50 Yes 392441 -2.27 -1.50 Yes 782480 0.24 0.50 Yes 3DH5 02402 -1.90 -1.50 No 392441 -2.30 -1.50 No 782480 0.21 0.50 No BLE1M 02402 -4.40 -4.00 Yes 192440 -4.54 -4.00 Yes 392480 -5.57 -4.00 Yes BLE2M 12404 -4.33 -4.00 No 192440 -4.54 -4.00 No 382478 -5.39 -4.00 No Note: Since bluetooth EDR mode is the maximum output power mode ， SAR measurements were performed with test software using 2DH5 modulation, and SAR measurement is not required for the BR and 3DH5. When the secondary mode is ≤ ¼ dB higher than the primary mode. BL-SZ25C1428-AP 3/7 BL-SZ25C1428-AP 4/7 8.1.2 Bluetooth Duty Cycle The Ant.0 Bluetooth duty cycle of 2DH5 is 77.15% as following figure, according to 2016 Oct. TCB workshop for Bluetooth SAR scaling need further consideration and the maximum duty cycle is 100%, therefore the actual duty cycle will be scaled up to 100% for Bluetooth reported SAR calculation. The Ant.0 Bluetooth duty cycle of BLE-2M is 62.42% as following figure, according to 2016 Oct. TCB workshop for Bluetooth SAR scaling need further consideration and the maximum duty cycle is 100%, therefore the actual duty cycle will be scaled up to 100% for Bluetooth reported SAR calculation. BL-SZ25C1428-AP 5/7 The Ant.1 Bluetooth duty cycle of 2DH5 is 76.88% as following figure, according to 2016 Oct. TCB workshop for Bluetooth SAR scaling need further consideration and the maximum duty cycle is 100%, therefore the actual duty cycle will be scaled up to 100% for Bluetooth reported SAR calculation. BL-SZ25C1428-AP 6/7 The Ant.1 Bluetooth duty cycle of BLE-2M is 63.09% as following figure, according to 2016 Oct. TCB workshop for Bluetooth SAR scaling need further consideration and the maximum duty cycle is 100%, therefore the actual duty cycle will be scaled up to 100% for Bluetooth reported SAR calculation. BL-SZ25C1428-AP 7/7

BL-SZ25C1428-ASC 1/1 SystemCheck:Head2450MHz Date:2026.01.10 CommunicationSystemBand:D2450(2450.0MHz);Frequency:2450MHz;DutyCycle:1:1 Mediumparametersused:f=2450MHz;σ=1.799S/m;ε r =39.644;ρ=1000kg/m 3 Phantomsection:FlatSection AmbientTemperature:22.6°CLiquidTemperature:21.8°C DASY5Configuration: Probe:EX3DV4-SN7664;ConvF(7.8,7.8,7.8);Calibrated:2025.06.30; Sensor-Surface:4mm(MechanicalSurfaceDetection) Electronics:DAE4Sn878;Calibrated:2025.03.05 Phantom:SAM1;Type:QD000P40CD;Serial:TP:1858 MeasurementSW:DASY52,Version52.8(8);SEMCADXVersion14.6.10(7331) CW2450/AreaScan(101x101x1):Interpolatedgrid:dx=1.000mm,dy=1.000mm MaximumvalueofSAR(interpolated)=5.81W/kg CW2450/ZoomScan(7x7x7)/Cube0:Measurementgrid:dx=5mm,dy=5mm,dz=5mm ReferenceValue=53.63V/m;PowerDrift=-0.01dB PeakSAR(extrapolated)=10.8W/kg SAR(1g)=5.24W/kg;SAR(10g)=2.44W/kg Smallestdistancefrompeakstoallpoints3dBbelow=9.7mm RatioofSARatM2toSARatM1=53.4% MaximumvalueofSAR(measured)=5.66W/kg 0dB=5.66W/kg

Report No.: BL-SZ25C1428-AT 1 / 1 Normal Mode RF Power Range (Bluetooth-Ant.0) Band (GHz) Mode Channel Freq. (MHz) Range(dBm) Bluetooth GFSK 0 2402 [-4.00, -2.00] 39 2441 [-4.00, -2.00] 78 2480 [-4.00, -2.00] π/4-DQPSK 0 2402 [-1.00, 1.00] 39 2441 [-1.00, 1.00] 78 2480 [-1.00, 1.00] 8-DPSK 0 2402 [-1.00, 1.00] 39 2441 [-1.00, 1.00] 78 2480 [-1.00, 1.00] BLE (1Mbps) 0 2402 [-3.50, -1.50] 19 2440 [-3.50, -1.50] 39 2480 [-3.50, -1.50] BLE (2Mbps) 1 2404 [-3.50, -1.50] 19 2442 [-3.50, -1.50] 38 2478 [-3.50, -1.50] Normal Mode RF Power Range (Bluetooth-Ant.1) Band (GHz) Mode Channel Freq. (MHz) Range(dBm) Bluetooth GFSK 0 2402 [-2.00, 0.00] 39 2441 [-2.00, 0.00] 78 2480 [-2.00, 0.00] π/4-DQPSK 0 2402 [-3.50, -1.50] 39 2441 [-3.50, -1.50] 78 2480 [-1.50, 0.50] 8-DPSK 0 2402 [-3.50, -1.50] 39 2441 [-3.50, -1.50] 78 2480 [-1.50, 0.50] BLE (1Mbps) 0 2402 [-6.00, -4.00] 19 2440 [-6.00, -4.00] 39 2480 [-6.00, -4.00] BLE (2Mbps) 1 2404 [-6.00, -4.00] 19 2442 [-6.00, -4.00] 38 2478 [-6.00, -4.00] --BLANK BELOW--

BL-SZ25C1428-ATD 1/2 Meas.1BodyPlanewithRightEdge0mmon78ChannelinBluetoothmodewithAnt.0 Date:2026.01.10 CommunicationSystemBand:1;Frequency:2480MHz;DutyCycle:1:1.296 Mediumparametersused:f=2480MHz;σ=1.834S/m;ε r =39.415;ρ=1000kg/m 3 Phantomsection:FlatSection AmbientTemperature:22.6 °C LiquidTemperature:21.8 °C DASY5Configuration: Probe:EX3DV4-SN7664;ConvF(7.8,7.8,7.8);Calibrated:2025.06.30; Sensor-Surface:4mm(MechanicalSurfaceDetection) Electronics:DAE4Sn878;Calibrated:2025.03.05 Phantom:SAM1;Type:QD000P40CD;Serial:TP:1858 MeasurementSW:DASY52,Version52.8(8);SEMCADXVersion14.6.10(7331) Ch78/AreaScan(61x151x1):Interpolatedgrid:dx=1.200mm,dy=1.200mm MaximumvalueofSAR(interpolated)=0.223W/kg Ch78/ZoomScan(7x7x7)/Cube0:Measurementgrid:dx=5mm,dy=5mm,dz=5mm ReferenceValue=1.061V/m;PowerDrift=0.06dB PeakSAR(extrapolated)=0.489W/kg SAR(1g)=0.169W/kg;SAR(10g)=0.057W/kg Smallestdistancefrompeakstoallpoints3dBbelow=5.8mm RatioofSARatM2toSARatM1=51.1% MaximumvalueofSAR(measured)=0.223W/kg 0dB=0.223W/kg BL-SZ25C1428-ATD 2/2 Meas.2BodyPlanewithLeftEdge0mmon78ChannelinBluetoothmodewithAnt.1 Date:2026.01.10 CommunicationSystemBand:1;Frequency:2480MHz;DutyCycle:1:1.301 Mediumparametersused:f=2480MHz;σ=1.834S/m;ε r =39.415;ρ=1000kg/m 3 Phantomsection:FlatSection AmbientTemperature:22.6 °C LiquidTemperature:21.8 °C DASY5Configuration: Probe:EX3DV4-SN7664;ConvF(7.8,7.8,7.8);Calibrated:2025.06.30; Sensor-Surface:4mm(MechanicalSurfaceDetection) Electronics:DAE4Sn878;Calibrated:2025.03.05 Phantom:SAM1;Type:QD000P40CD;Serial:TP:1858 MeasurementSW:DASY52,Version52.8(8);SEMCADXVersion14.6.10(7331) Ch78/AreaScan(61x151x1):Interpolatedgrid:dx=1.200mm,dy=1.200mm MaximumvalueofSAR(interpolated)=0.0475W/kg Ch78/ZoomScan(7x7x7)/Cube0:Measurementgrid:dx=5mm,dy=5mm,dz=5mm ReferenceValue=3.075V/m;PowerDrift=0.07dB PeakSAR(extrapolated)=0.201W/kg SAR(1g)=0.061W/kg;SAR(10g)=0.020W/kg Smallestdistancefrompeakstoallpoints3dBbelow=5.4mm RatioofSARatM2toSARatM1=55.8% MaximumvalueofSAR(measured)=0.0859W/kg 0dB=0.0859W/kg

2.4GHz2012ChipAntenna:RANT2012F245C07 Dimension(mm) L2.05+-0.10 W1.20+-0.10 T0.65+-0.10 No.TerminalName 1Feeding/GNG 2GND Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT2012F245C07 (A)(B)(C)(D)(E)(F) (A)ProductTypeChipAntenna (B)SizeCode2.0x1.2mm(+-0.2mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=07 ElectricalSpecification WorkingFrequencyRange2400~2484MHz Bandwidth84(Min.) PeakGain2.7 dBi (Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280°C) TerminationNi/Au(Leadless) ThespecificationisdefinedonEVB. DimensionandTerminalConfiguration 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd. 7/F,BuildingF,ZhichuangPark,Tong'an,Gushu,Shenzhen 2.4GHz2012ChipAntenna:RANT2012F245C07 EvaluationBoardReference PCBDimensionAntennaLayoutReferenceUnit:mm ElectricalCharacteristics ReturnLoss ReturnLoss&Radiation 1 Frequency(MHz) S11(dB) 2400-10.77 2450-24.81 2484-10.243 Radiation Z Y X 2400MHz2450MHz2500MHz Efficiency70.56%75.25%71.01% 2.4GHz2012ChipAntenna:RANT2012F245C07 TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 20127”5K/Reel 9.0±0.5 60±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTDP PaperType2012 1.50±0.202.30±0.208.0±0.201.75±0.103.5±0.054.0±0.102.0±0.050.75±0.101.57±0.104.0±0.1 2.4GHz2012ChipAntenna:RANT2012F245C07 ReliabilityTable TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr,thenkeepfor24±1hrsatroomtemp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Cto+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingtime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onelong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"fromanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage.MIL-STD-202 Method204 Mechanical Shock Threeshocksineachdirectionshallbeappliedalongthethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4ft/s Waveform:Half-sine NoVisibleDamage.MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106 2.4GHz2012ChipAntenna:RANT2012F245C07 2.4GHz2012ChipAntenna:RANT2012F245C07 _ Board Flex (SMD) 1.Mountingmethod: IR-Reflow.PCBSize(L:100×W:40×T:1.6mm) 2.Applytheloadindirectionofthearrowuntilbendingreaches 2mm. NoVisibleDamage.AEC-Q200 005 AdhesionForceof1.8Kgfor60seconds.NoVisibleDamage Magnificationof20Xor greatermaybeemployed forinspectionofthe mechanicalintegrityofthe devicebodyterminalsand body/terminaljunction. AEC-Q200 006 Physical Dimension Anyapplicablemethodusingx10magnification,micrometers, calipers,gauges,contourprojectors,orothermeasuring equipment,capableofdeterminingtheactualspecimen dimensions. Inaccordancewith specification. JESD22 JB100 RevisionHistory RevisionDateContent 12020/10/15NewDatasheet

Report No.: BL-SZ25C1428-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 81 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: WENZHOU SUNRISE INDUSTRIAL AND TRADING CO. LTD. Address: Building#1, #1 Tonghui Road, Panqiao Street, Ouhai District, Wenzhou, Zhejiang, 325000, China Equipment Type: Audio smart glasses Model Name: WL-01 Brand Name: N/A FCC ID: 2BUHE-WL01 Test Standard: 47 CFR Part 15 Subpart C (refer to section 3.1) Sample Arrival Date: Dec. 22, 2025 Test Date: Dec. 29, 2025 - Jan. 15, 2026 Date of Issue: Feb. 04, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Yang Wenxuan Checked by: Ye Hongji Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: BL-SZ25C1428-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 81 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Revision History Version Issue Date Revisions Rev. 01 Feb. 04, 2026 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ......................................................................................................... 4 1.1 Test Laboratory .............................................................................................................. 4 1.2 Test Location .................................................................................................................. 4 2 PRODUCT INFORMATION ......................................................................................................... 5 2.1 Applicant Information ...................................................................................................... 5 2.2 Manufacturer Information ............................................................................................... 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Technical Information ..................................................................................................... 6 3 SUMMARY OF TEST RESULTS ................................................................................................. 8 3.1 Test Standards ............................................................................................................... 8 3.2 Test Verdict .................................................................................................................... 9 4 GENERAL TEST CONFIGURATIONS ...................................................................................... 10 4.1 Test Environments ....................................................................................................... 10 4.2 Test Equipment List ...................................................................................................... 10 4.3 Test Software List ......................................................................................................... 10 4.4 Measurement Uncertainty ............................................................................................ 11 4.5 Description of Test Setup ............................................................................................. 11 4.6 Measurement Results Explanation Example ................................................................ 14 5 TEST ITEMS .............................................................................................................................. 15 5.1 Antenna Requirements ................................................................................................. 15 5.2 Frequency Hopping Systems ....................................................................................... 16 5.3 Number of Hopping Frequencies ................................................................................. 18 5.4 Peak Output Power ...................................................................................................... 19 5.5 Occupied Bandwidth .................................................................................................... 20 Report No.: BL-SZ25C1428-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 81 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 5.6 Carrier Frequency Separation ...................................................................................... 21 5.7 Time of Occupancy (Dwell time) .................................................................................. 22 5.8 Conducted Spurious Emission & Authorized-band band-edge .................................... 24 5.9 Conducted Emission .................................................................................................... 25 5.10 Radiated Spurious Emission ........................................................................................ 26 5.11 Band Edge (Restricted-band band-edge) ..................................................................... 28 ANNEX A TEST RESULT ..................................................…

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