2AB22-EFSA791Smart Fitness Scale

ApplicantDeclaration QSF27-14-04Rev1.4April25,2025Page 1 of 1 OriginalIssue:Jan.4,2021 SGSNorthAmericaInc. 620OldPeachtreeRoad SUITE100 Suwanee,Georgia30024 UnitedStates ApplicantLegalBusinessName Vesync(US)Corporation Address 1775FLIGHTWAY,SUITE150,TUSTIN,California92782,UnitedStates FRN 0024621781 GranteeCode 2AB22 FCCID:2AB22-EFSA791 AuthorizedContactName WaynePan ContactPhone 18988680784 ContactEmail [email protected] I,theundersigned,certifythatIamanauthorizedsignatoryfortheApplicantandthereforedeclare; a)inaccordancewith47CFR2.911(d),allofthestatementshereinandtheexhibitsattachedheretoaretrueandcorrecttothebestofmy knowledgeandbelief. b)inacceptingaGrantofEquipmentAuthorizationissuedbyaTCB,undertheauthorityoftheFCC,asaresultoftherepresentationsmadein thisapplication,theApplicantisresponsiblefor: (1)labelingtheequipmentwiththeexactFCCIDasspecifiedinthisapplication, (2)compliancestatementlabelingpursuanttotheapplicablerules, (3)complianceoftheequipmentwiththeapplicabletechnicalrules, c)iftheApplicantisnottheactualmanufactureroftheequipment,appropriatearrangementshavebeenmadewiththemanufacturertoensure thatproductionunitsofthisequipmentwillcontinuetocomplywiththeFCC’stechnicalrequirements. d)inaccordancewith47CFR2.909andKDB394321,theApplicanthasread,understoodandagreestoacceptthattheyaretheresponsible partyandagreetoabidebytheirresponsibilitiesasspecifiedunder47CFR2.909andKDB394321. e)inaccordancewithISO17065,FCCKDB641163,FCCKDB610077,KDB394321andRSP-100,theApplicanthasread,understood,accepts andagreestoabidebythepostmarketsurveillancerequirements. (1)theApplicantunderstands,acceptsandagreesthatasamplemayberequestedforsurveillancetesting. (2)theApplicantshallmakeprovisionstoalwayshaveaproductionsampleavailableuponrequestbySGS,FCCand/orISED. (3)theApplicantshall,uponrequestbySGS,attheApplicant’sexpense,provideaproductionsampleoftherequestedproducttoSGS, FCCand/orISEDasinstructed.Thesampleshallincludeallsupportdevices,cables,software,accessoriesorotherhardwareor softwarerequiredforevaluation,review,certificationandauditsurveillanceofproductscertifiedbySGS. f)neithertheApplicantnoranypartytotheapplicationissubjecttoadenialofFederalbenefits,thatincludesFCCbenefits,pursuanttoSection 5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862becauseofaconvictionforpossessionordistributionofacontrolledsubstance.See 47CFR1.2002(b)forthedefinitionofa“party”forthesepurposes. g)theApplicanthasread,understood,acceptsandagreestoabidebytheSGSNorthAmerica,Inc.termsandconditionsasspecifiedintheTCB ApplicationForm731(QSF27-14-01). LinktoCFRs:https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 LinktoKDBs:https://apps.fcc.gov/oetcf/kdb/index.cfm LinktoRSP-100:https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html LinktotheCoveredList:CoveredList ApplicantSignature: Date:06/03/2026 PrintName: WaynePan Title: SeniorManager *NOTE:ThisdeclarationcannotbesignedbyanAgent,itshallbesignedbyanauthorizedpersonlistedintheFCCdatabase

UNITEDSTATESDESIGNATEDAGENTLETTER Date:06/03/2026 TO:FederalCommunicationCommission EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MID21046 ApplicantU.S.designatedagent CompanyName:Vesync(US)CorporationCompanyName:Vesync(US)Corporation FRN:0024621781FRN:0024621781 GranteeCode:2AB22 ContactName:WaynePanContactName:WaynePan Address:1775FLIGHTWAY,SUITE 150 Address:1775FLIGHTWAY,SUITE150 City/Province/Zip:TUSTINCalifornia92782 UnitedStates City/Province/Zip:TUSTINCalifornia92782United States Telephone:18988680784Telephone:7145091019 Fax:N.A.Fax:N.A. Email:[email protected]:[email protected] Regarding:FCCID:2AB22-EFSA791 We,<Vesync(US)Corporation>understandandacknowledgetheapplicantsconsentandthe designatedagent’sobligationtoacceptserviceofprocessintheUnitedStatesformattersrelatedtothe applicableequipment,andatthephysicalU.S.addressande-mailofthedesignatedagentlistedabove. We,<Vesync(US)Corporation>acknowledgetheapplicant’sacceptanceofitsobligationtomaintainan agentforserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,orthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingtheequipment, whicheverislater. Name (Printed) :WaynePan Title:SeniorManager Signature:

FCCCOVEREDLISTDECLARATIONLETTER Page 1 of 1 Revision1.0 SGSNorthAmericaInc. 620OldPeachtreeRoad SUITE100 Suwanee,Georgia30024 UnitedStates ApplicantLegalBusinessNameVesync(US)Corporation Address1775FLIGHTWAY,SUITE150,TUSTIN,California92782,UnitedStates FRN0024621781 GranteeCode2AB22FCCID:2AB22-EFSA791 AuthorizedContactNameWaynePan [email protected] Vesync(US)Corporation(“theapplicant”)certifies: -theequipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. -asofthedateofthefilingoftheapplication,theapplicant[isnot]identifiedontheCoveredlist,establishedpursuantto§1.50002,asanentity producing“covered”equipment. -thesoftwaretobeloadedpriortomarketingoftheequipmentidentifiedaboveisnot“covered”softwaremanufacturedbyanyentityincluding predecessors,successors,parents,subsidiaries,affiliatesoranyentitywhichhasrebrandedorrelabeledthesoftwareproducedbytheentity(ies) identifiedonthe“CoveredList”. -thedeviceisnotcapableofstoringorrunningsoftwarelistedonthecoveredlistandthereforeisinherentlycompliant. NOTE:Justification/evidenceexplaininghowcomplianceismetmustaccompanythisletter LinktotheCoveredList:CoveredList ApplicantSignature:Date:06/03/2026 PrintName: WaynePan Title: SeniorManager *NOTE:ThisdeclarationcannotbesignedbyanAgent,itshallbesignedbyanauthorizedpersonlistedintheFCCdatabase

Vesync(US) Corporation Date: 06/03/2026 TO:FederalCommunicationCommission EquipmentAuthorizationBranch 7435 OaklandMills Road Columbia,MID 21046 Regarding:FCC ID: 2AB22-EFSA791 To whomit 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,herebycertifythat we are not subjectto a denialof federalbenefits,that includes FCC benefits,pursuantto Section5301 of the Anti-DrugAbuseAct of 1988, 21 U.S.C.853(a). Whereour agent signs the applicationfor certificationon our behalf,I acknowledgethat all responsibility for complyingwith the terms and conditionsfor Certification,as specifiedby SGS North America,Inc., still resideswith Vesync(US) Corporation This authorizationis valid until furtherwrittennoticefrom the applicant. Print Name:WaynePanTitle: SeniorManager Signature: On behalfof Company:Vesync(US) Corporation Telephone:18988680784 E-mail:[email protected]

Vesync(US)Corporation Date:06/03/2026 TO:FederalCommunicationCommission EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MID21046 Regarding:ConfidentialityRequestregardingapplicationforFCCID:2AB22-EFSA791 LONGTERMCONFIDENTIALITY Pursuantto47CFRSection0.459and0.457ofthecommission’srules,theapplicantherebyrequest confidentialtreatmentofthedocumentslistedbelow,associatedwiththecertificationapplication referencedabove. Schematic(s) BlockDiagrams OperationalDescriptions TuneUpProcedures Thedocumentsabovecontainproprietaryinformationnotreleasedtothepublic.Publicdisclosureofthis informationmayproveharmfultothebusinessoftheapplicant. SHORTTERMCONFIDENTIALITY Additionally,theapplicantrequeststhefollowingdocumentsbeheldconfidentialuntilthedeviceis marketedor180daysfromthegrantdate,whicheverisless.Ifthedeviceismarketedwithin aforementioneddaysoftheGrantDate,theapplicantwillnotifytheTCBperFCCKDB726920D01 ConfidentialityRequestProcedures. ExternalPhotos InternalPhotos TestSetupPhotos Usermanual(s) Sincerely, PrintName:WaynePanTitle:SeniorManager Signature: OnbehalfofCompany:Vesync(US)Corporation Telephone:18988680784 E-mail:[email protected]

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01-A01 Rev. A/1 Aug 16,2024 Report No.: SZCR260400147104 Page: 1 of 32 Appendix C Calibration certificate 1. Dipole D2450V2-SN 733 2. DAE DAE4ip-SN 1830 3. Probe EX3DV4-SN 7636

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01 Rev. A/2 Report No.: SZCR260400147104 Page: 1 of 39 Keny Xu EMC Laboratory Manager SAR TEST REPORT Application No.: SZCR2604001471HS Applicant: Vesync (US) Corporation Address of Applicant: 1775 FLIGHT WAY, SUITE 150 TUSTIN, CA 92782, USA Manufacturer: Vesync (US) Corporation Address of Manufacturer: 1775 FLIGHT WAY, SUITE 150 TUSTIN, CA 92782, USA EUT Description: Smart Fitness Scale Model No.: EFS-A791-KUS, EFS-A791-xxxx ("x" can be A to Z,0 to 9 or blank)   Please refer to section 11.1 of this report which indicates which model was actually tested and which were electrically identical. Trade Mark: Etekcity FCC ID: 2AB22-EFSA791 Standards: FCC 47CFR §2.1093 Date of Receipt: 2026/4/8 Date of Test: 2026/5/24 Date of Issue: 2026/5/26 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 SZSAR-TRF-01 Rev. A/2 Report No.: SZCR260400147104 Page: 2 of 39 Revision Record Version Description Date Remark 01 2026/5/26 Original Authorized for issue by: Martin Tang/Project Engineer Eric Fu / Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01 Rev. A/2 Report No.: SZCR260400147104 Page: 3 of 39 TEST SUMMARY Frequency Band Maximum Reported SAR(W/kg) Extremity WI-FI (2.4GHz) 0.50 BT 0.82 SAR Limited(W/kg) 4.0 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01 Rev. A/2 Report No.: SZCR260400147104 Page: 4 of 39 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 Configuration....................................................... 11 3.1 The SAR Measurement System ...................................................................... 11 3.2 Isotropic E-field Probe 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 Description of Test Position ............................................................................... 22 5.1 Generic device ................................................................................................ 22 6 SAR System Verification 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 7.1.1 WIFI Test Configuration ............................................................................ 28 7.1.2 BT Test Configuration ............................................................................... 32 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01 Rev. A/2 Report No.: SZCR260400147104 Page: 5 of 39 8 Test Result ........................................................................................................... 33 8.1 DUT Antenna Locations (Back View) .............................................................. 33 8.2 Measurement of RF Conducted Power ........…

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZSAR-TRF-01-A03 Rev. A/0 Aug 16,2024 Report No.: SZCR260400147104 Page: 1 of 2 Appendix A Detailed System Check Results 1. System Performance Check System Performance Check 2450 MHz Head Date: 2026-05-24 SGS-SAR Lab System Performance Check 2450 MHz Head D2450V2- SN 733 Communication System: ; Frequency: 2450.000 Medium: Head Simulating Liquid. Medium parameters used: f= 2450.000 MHz; σ= 1.85 S/m; ε r = 38.5 DASY8 Configuration: - Probe: EX3DV4 - SN7636; ConvF(7.85, 7.85, 7.85); Calibrated: 2025-08-26 - Sensor-Surface: 1.4 mm - Electronics: DAE4ip Sn1830; Calibrated: 2025-11-11 - Phantom: ELI V8.0 (20deg probe tilt); Serial: 2219 - Measurement Software: cDASY8 V16.4.0.5005 Area Scan (40.0 mm x 96.0 mm): Measurement Grid: 10.0 mm x 12.0 mm SAR (1g) = 12.3 W/kg; SAR (10g) = 5.91 W/kg; Zoom Scan (30.0 mm x 30.0 mm x 30.0 mm): Measurement Grid: 5.0 mm x 5.0 mm x 1.5 mm Power Drift = -0.03 dB SAR (1g) = 12.7 W/kg; SAR (10g) = 6.03 W/kg; M2/M1 [%]=80.3 Dist 3dB Peak [mm]=9.3 - 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.: SZCR260400147104 Page: 1 of 3 Appendix B Detailed Test Results 1. WIFI WIFI 2.4G 2. BT BT Date: 2026-05-24 SGS-SAR Lab EFS-A791-KUS WIFI 2.4G 802.11b 1CH Front side 0mm EFS-A791-KUS Communication System: WLAN 2.4GHz; Frequency: 2412.000 Medium: Head Simulating Liquid. Medium parameters used: f= 2412.000 MHz; σ= 1.78 S/m; ε r = 38.6 DASY8 Configuration: - Probe: EX3DV4 - SN7636; ConvF(7.85, 7.85, 7.85); Calibrated: 2025-08-26 - Sensor-Surface: 1.4 mm - Electronics: DAE4ip Sn1830; Calibrated: 2025-11-11 - Phantom: ELI V8.0 (20deg probe tilt); Serial: 2219 - Measurement Software: cDASY8 V16.4.0.5005 Area Scan (192.0 mm x 240.0 mm): Measurement Grid: 12.0 mm x 12.0 mm SAR (1g) = 0.766 W/kg; SAR (10g) = 0.427 W/kg; Zoom Scan (30.0 mm x 30.0 mm x 30.0 mm): Measurement Grid: 5.0 mm x 5.0 mm x 1.5 mm Power Drift = -0.12 dB SAR (1g) = 0.822 W/kg; SAR (10g) = 0.471 W/kg; M2/M1 [%]=79.0 Dist 3dB Peak [mm]=13.1 Date: 2026-05-24 SGS-SAR Lab EFS-A791-KUS Bluetooth BLE 1M 0CH Front side 0mm EFS-A791-KUS Communication System: ISM 2.4 GHz Band; Frequency: 2402.000 Medium: Head Simulating Liquid. Medium parameters used: f= 2402.000 MHz; σ= 1.76 S/m; ε r = 38.6 DASY8 Configuration: - Probe: EX3DV4 - SN7636; ConvF(7.85, 7.85, 7.85); Calibrated: 2025-08-26 - Sensor-Surface: 1.4 mm - Electronics: DAE4ip Sn1830; Calibrated: 2025-11-11 - Phantom: ELI V8.0 (20deg probe tilt); Serial: 2219 - Measurement Software: cDASY8 V16.4.0.5005 Area Scan (192.0 mm x 240.0 mm): Measurement Grid: 12.0 mm x 12.0 mm SAR (1g) = 0.312 W/kg; SAR (10g) = 0.174 W/kg; Zoom Scan (30.0 mm x 30.0 mm x 30.0 mm): Measurement Grid: 5.0 mm x 5.0 mm x 1.5 mm Power Drift = -0.09 dB SAR (1g) = 0.336 W/kg; SAR (10g) = 0.201 W/kg; M2/M1 [%]=81.4 Dist 3dB Peak [mm]=14.8 - End of the Appendix -

Product Information ClientChen BeiProtocolBle Product Description ASTA Sample Quantity1pcs Model Type BLE: OM6621 SampelVersionTR3 Antenna Test Report Antannamanufacturer imformation Name:GuangdongWole Technology Co., Ltd. Address: No. 7, Minke East Road, Shiqi Subdistrict, Zhongshan City Antannatype: On-board Prepared By Shenzhen DibitongCommunication Equipment Co., Ltd. Adress Taoyuan Subdistrict, Nanshan District, Shenzhen City -Nanshan Cloud Valley Phase II TEL 0755-83763273 Test Data2025.08.29 EquipentManufacturerTypeSerial Number Calibration Date Effective Date Network Analyzer AglientE5071CMY461101402025.05.302026.05.29 Dark RoomETSAMS-8923-150TJ2235-Q17932024.11.302025.11.29 Test Data SVNEfficiency & Gain Frequency (MHz) Gain (dBi) Efficiency (%) Efficiency (dB) 2400 -0.2 22.7 -6.4 2410 0.1 24.3 -6.1 2420 0.2 25.0 -6.0 2430 0.2926.6 -5.7 2440 0.0 26.2 -5.8 2450 0.1 26.0 -5.9 2460 -0.2 24.4 -6.1 2470 -0.3 23.4 -6.3 2480 0.1 24.7 -6.1 2490 -0.2 23.0 -6.4 2500 0.0 23.6 -6.3 Test Data

Product Information ClientChen BeiProtocolWiFi Product DescriptionASTASample Quantity1pcs Model Type ESP8684-WROOM-02UC SampelVersionTR3 Antenna Test Report Antannamanufacturer imformation Name:ShenzhenDibitongCommunication Equipment Co., Ltd. Address: Taoyuan Subdistrict, Nanshan District, Shenzhen City -Nanshan Cloud Valley Phase II Antannatype: FPC Prepared ByShenzhen DibitongCommunication Equipment Co., Ltd. Adress Taoyuan Subdistrict, Nanshan District, Shenzhen City -Nanshan Cloud Valley Phase II TEL 0755-83763273 Test Data2025.08.29 EquipentManufacturerTypeSerial Number Calibration Date Effective Date Network Analyzer AglientE5071CMY461101402025.05.302026.05.29 Dark RoomETSAMS-8923-150TJ2235-Q17932024.11.302025.11.29 Test Data SVNEfficiency & Gain Frequency (MHz) Gain (dBi) Efficiency (%) Efficiency (dB) 2400 2.5 57.3 -2.4 2410 2.6 55.3 -2.6 2420 3.0 58.7 -2.3 2430 3.0 58.1 -2.4 2440 2.9 57.8 -2.4 2450 2.8 55.5 -2.6 2460 2.6 53.4 -2.7 2470 2.4 51.8 -2.9 2480 2.9 56.1 -2.5 2490 2.7 52.9 -2.8 2500 3.3 58.6 -2.3 3D (2450MHz)θ= 90°(XY Plane) φ= 0°（XZ Plane）φ= 90°(YZ Plane) Test Data

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260400147103 Page: 1 of 85 Keny Xu EMC Laboratory Manager TEST REPORT Application No.: SZCR2604001471HS Applicant: Vesync (US) Corporation Address of Applicant: 1775 FLIGHT WAY, SUITE 150 TUSTIN, CA 92782, USA Manufacturer: Vesync (US) Corporation Address of Manufacturer: 1775 FLIGHT WAY, SUITE 150 TUSTIN, CA 92782, USA Equipment Under Test (EUT): EUT Name: Smart Fitness Scale Model No.: EFS-A791-KUS, EFS-A791-xxxx ("x" can be A to Z,0 to 9 or blank)   Please refer to section 2 of this report which indicates which model was actually tested and which were electrically identical. Trade Mark: etekcity FCC ID: 2AB22-EFSA791 Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2026-04-08 Date of Test: 2026-04-20 to 2026-04-29 Date of Issue: 2026-05-26 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.: SZCR260400147103 Page: 2 of 85 Revision Record Version Chapter Date Modifier Remark 01 2026-05-26 Original Authorized for issue by: Martin Tang/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260400147103 Page: 3 of 85 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 Radio Spectrum Matter Part Item Standard Method Requirement Result Radiated Emissions which fall in the restricted bands 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2020) Section 6.10.5 & 11.12 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 & 11.12 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Maximum Conducted Output Power ANSI C63.10 (2020) Section 11.9.2 47 CFR Part 15, Subpart C 15.247(b)(3) Pass Minimum 6dB Bandwidth ANSI C63.10 (2020) Section 11.8.1 47 CFR Part 15, Subpart C 15.247a(2) Pass Power Spectral Density ANSI C63.10 (2020) Section 11.10.3 47 CFR Part 15, Subpart C 15.247(e) Pass Conducted Band Edges Measurement ANSI C63.10 (2020) Section 6.10.4 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions ANSI C63.10 (2020) Section 11.11 47 CFR Part 15, Subpart C 15.247(d) Pass Declaration of EUT Family Grouping: Model No.: EFS-A791-KUS, EFS-A791-xxxx ("x" can be A to Z,0 to 9 or blank) Only the model EFS-A791-KUS was tested, since according to the declaration from the applicant, the electrical circuit design, layout, components used, internal wiring and functions were identical for the above models, with only difference on product appearance and sales regional channels. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260400147103 Page: 4 of 85 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. ................................................................................................................................. 6 4.2 Description of Support Units .............................................................................................................. 6 4.3 Measurement Uncertainty .................................................................................................................. 6 4.4 Test Location ...................................................................................................................................... 7 4.5 Test Facility ........................................................................................................................................ 7 4.6 Deviation from Standards ................................................................................................................... 7 4.7 Abnormalities from Standard Conditions ........................................................................................... 7 5 Equipment List .......................................................................................................................................... 8 6 Radio Spectrum Technical Requirement ............................................................................................. 10 6.1 Antenna Requirement ...................................................................................................................... 10 6.1.1 Test Requirement: ....................................................................................................................... 10 6.1.2 Conclusion ................................................................................................................................... 10 7 Radio Spectrum Matter Test Results .................................................................................................... 11 7.1 Radiated Emissions which fall in the restricted bands ..................................................................... 11 7.1.1 E.U.T. Operation .......................................................................................................................... 11 7.1.2 Test Mode Description ...…

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260400147102 Page: 1 of 68 Keny Xu EMC Laboratory Manager TEST REPORT Application No.: SZCR2604001471HS Applicant: Vesync (US) Corporation Address of Applicant: 1775 FLIGHT WAY, SUITE 150 TUSTIN, CA 92782, USA Manufacturer: Vesync (US) Corporation Address of Manufacturer: 1775 FLIGHT WAY, SUITE 150 TUSTIN, CA 92782, USA Equipment Under Test (EUT): EUT Name: Smart Fitness Scale Model No.: EFS-A791-KUS, EFS-A791-xxxx ("x" can be A to Z,0 to 9 or blank)   Please refer to section 2 of this report which indicates which model was actually tested and which were electrically identical. Trade Mark: etekcity FCC ID: 2AB22-EFSA791 Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2026-04-08 Date of Test: 2026-04-20 to 2026-05-25 Date of Issue: 2026-05-26 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.: SZCR260400147102 Page: 2 of 68 Revision Record Version Chapter Date Modifier Remark 01 2026-05-26 Original Authorized for issue by: Martin Tang/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260400147102 Page: 3 of 68 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 Radio Spectrum Matter Part Item Standard Method Requirement Result Radiated Emissions which fall in the restricted bands 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2020) Section 6.10.5 & 11.12 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 & 11.12 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Maximum Conducted Output Power ANSI C63.10 (2020) Section 11.9.1 47 CFR Part 15, Subpart C 15.247(b)(3) Pass Minimum 6dB Bandwidth ANSI C63.10 (2020) Section 11.8.1 47 CFR Part 15, Subpart C 15.247a(2) Pass Power Spectral Density ANSI C63.10 (2020) Section 11.10.3 47 CFR Part 15, Subpart C 15.247(e) Pass Conducted Band Edges Measurement ANSI C63.10 (2020) Section 6.10.4 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions ANSI C63.10 (2020) Section 11.11 47 CFR Part 15, Subpart C 15.247(d) Pass Declaration of EUT Family Grouping: Model No.: EFS-A791-KUS, EFS-A791-xxxx ("x" can be A to Z,0 to 9 or blank) Only the model EFS-A791-KUS was tested, since according to the declaration from the applicant, the electrical circuit design, layout, components used, internal wiring and functions were identical for the above models, with only difference on product appearance and sales regional channels. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260400147102 Page: 4 of 68 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. ................................................................................................................................. 6 4.2 Description of Support Units .............................................................................................................. 6 4.3 Measurement Uncertainty .................................................................................................................. 7 4.4 Test Location ...................................................................................................................................... 8 4.5 Test Facility ........................................................................................................................................ 8…

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