2BUUS-BS1Body Composition Scale

HONG KONG FED FITNESS LIMITED Section 2.911(d)(5)(i) Certification – Equipment Type Company name: HONG KONG FED FITNESS LIMITED Address: RM B165 5/F HANG FUNG INDUSTRIAL BUILDING PHASE 1 2G HOK YUEN STREET HUNG HOM KL Product Name: Body Composition Scale FCC ID: 2BUUS-BS1 Model(s): BS1 2.911(d)(5)(i) Equipment Type We, HONG KONG FED FITNESS LIMITED (“the applicant”) certify that the equipment for which authorization is sought through certification is not: • Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules. • Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Signature Name: Huaqiao Wang Date:2026/6/8 Title and Company name: Certification Officer/HONG KONG FED FITNESS LIMITED NOTE 1 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the 2.911 (d)(5)(i) Equipment Type Attestation v1.2

HONG KONG FED FITNESS LIMITED Section 2.911(d)(5)(ii) Certification – Applicant (Covered List) Company name: HONG KONG FED FITNESS LIMITED Address: RM B165 5/F HANG FUNG INDUSTRIAL BUILDING PHASE 1 2G HOK YUEN STREET HUNG HOM KL Product Name: Body Composition Scale FCC ID: 2BUUS-BS1 Model(s): BS1 2.911(d)(5)(ii) Applicant filing We, HONG KONG FED FITNESS LIMITED (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified on the “Covered List” NOTE 2 , established pursuant to § 1.50002 of this chapter, as an entity producing covered communications equipment. Yours sincerely, Signature Name: Huaqiao Wang Date:2026/6/8 Title and Company name: Certification Officer/HONG KONG FED FITNESS LIMITED NOTE 2 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the 2.911 (d)(5)(ii) Applicant Attestation v1.3

HONG KONG FED FITNESS LIMITED Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject; Request for Confidentiality FCC ID: 2BUUS-BS1 Date：2026/6/8 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Huaqiao Wang Title: Certification Officer

HONGKONGFEDFITNESSLIMITED LetterofAuthorization Companyname:HONGKONGFEDFITNESSLIMITED Address:RMB1655/FHANGFUNGINDUSTRIALBUILDINGPHASE12GHOK YUENSTREETHUNGHOMKL ProductName:BodyCompositionScale ModelNumber(s):BS1 ProductDescription:BodyCompositionScale FCCID:2BUUS-BS1 WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2026/6/8 Name:HuaqiaoWang Title:CertificationOfficer Company:HONGKONGFEDFITNESSLIMITED

FCC ID: 2BUUS-BS1 www.cotecna-toby.com TB-RF-073-3.1 Appendix I Label Appendix II Label Location

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202604-0404-14 Page: 1 of 8 TB-RF-073-3.1 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Email: [email protected] www.cotecna-toby.com Maximum Permissible Exposure Evaluation FCC ID: 2BUUS-BS1 Report No. : TBR-C-202604-0404-14 Applicant : HONG KONG FED FITNESS LIMITED Equipment Under Test (EUT) EUT Name : Body Composition Scale Model No. : BS1 Series Model No. : N/A Brand Name : FED Fitness Sample ID : HC-C-202604-0404-01-01 Receipt Date : 2026-05-12 Test Date : 2026-05-12 to 2026-06-02 Issue Date : 2026-06-02 Standards : FCC Part 2.1093 Test Method : KDB 447498 D01 General RF Exposure Guidance v06 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Test By : Gold Zhang Reviewed By : Lucase Yang Approved By : Ivan Su This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TBR-C-202604-0404-14 Page: 2 of 8 www.cotecna-toby.com TB-RF-073-3.1 CONTENTS CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT.............................................................................. 4 1.1 Client Information ................................................................................................................. 4 1.2 General Description of EUT (Equipment Under Test) ................................................... 4 2. MEASUREMENT UNCERTAINTY .......................................................................................... 5 3. TEST FACILITY.......................................................................................................................... 6 4. SAR TEST EXCLUSION CALCULATIONS .......................................................................... 7 Report No.: TBR-C-202604-0404-14 Page: 3 of 8 www.cotecna-toby.com TB-RF-073-3.1 Revision History Report No. Version Description Issued Date TBR-C-202604-0404-14 Rev.01 Initial issue of report 2026-06-02 Report No.: TBR-C-202604-0404-14 Page: 4 of 8 www.cotecna-toby.com TB-RF-073-3.1 1. General Information about EUT 1.1 Client Information Applicant : HONG KONG FED FITNESS LIMITED Address : RM B165 5/F HANG FUNG INDUSTRIAL BUILDING PHASE 1 2G HOKYUEN STREET HUNG HOM KL,CHINA Manufacturer : Guangdong welland Technology Co., Ltd. Address : No. 7 Minke East Road, Minying Science & Technology Park, Shiqi, Zhongshan, Guangdong,China 1.2 General Description of EUT (Equipment Under Test) EUT Name : Body Composition Scale Models No. : BS1 Model Different : N/A Product Description : Operation Frequency: Bluetooth (BLE): 2402MHz~2480MHz Modulation Type: GFSK Antenna Gain: -1.73dBi Monopole Antenna Power Rating : 4*AAA-6V Software Version : 1.0.0 Hardware Version : V1.0 Remark: The above antenna information is declared by manufacturer and for more detailed features description, please refer to the manufacturer's specifications, the laboratory shall not be held responsible. Report No.: TBR-C-202604-0404-14 Page: 5 of 8 www.cotecna-toby.com TB-RF-073-3.1 2. Measurement Uncertainty The reported uncertainty of measurement y±U，where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2，providing a level of confidence of approximately 95 %. Test Item Parameters Expanded Uncertainty (ULab) Conducted Emission Level Accuracy: 9kHz~150kHz 150kHz to 30MHz ±3.50 dB ±3.10 dB Radiated Emission Level Accuracy: 9kHz to 30 MHz ±4.60 dB Radiated Emission Level Accuracy: 30MHz to 1000 MHz ±4.50 dB Radiated Emission Level Accuracy: Above 1000MHz ±4.20 dB Temperature / ±0.6°C Humidity / ±4% Supply voltages / ±2% Time / ±4% Report No.: TBR-C-202604-0404-14 Page: 6 of 8 www.cotecna-toby.com TB-RF-073-3.1 3. Test Facility The testing report were performed by the Shenzhen Toby Technology Co., Ltd., in their facilities located at 1/F., Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. At the time of testing, the following bodies accredited the Laboratory: CNAS (L5813) The Laboratory has been accredited by CNAS to ISO/IEC 17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories for the competence in the field of testing. And the Registration No.: CNAS L5813. A2LA Certificate No.: 4750.01 The laboratory has been accredited by American Association for Laboratory Accreditation(A2LA) to ISO/IEC 17025：2017 General Requirements for the Competence of Testing and Calibration Laboratories for the technical competence in the field of Electrical Testing. And the A2LA Certificate No.: 4750.01.FCC Accredited Test Site Number: 854351. Designation Number: CN1223. IC Registration No.: (11950A) The Laboratory has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing. The site registration: Site# 11950A. CAB identifier: CN0056. Report No.: TBR-C-202604-0404-14 Page: 7 of 8 www.cotecna-toby.com TB-RF-073-3.1 4. SAR Test Exclusion Calculations 4.1 FCC: According to KDB 447498 D01 v06 Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies v06. (1) Clause 4.3: General SAR test reduction and exclusion guidance Sub clause 4.31: Standalone SAR test exclusion considerations 1) The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6GHz at test separation distance≤5 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√ f (GHz) ] ≤3.0 for 1-g SAR [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[…

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Shenzhen DBT Telecommunication Technology让人人分享优质通讯 Contact information:TELL: 0755-83763273FAX: 0755-83763348Email: [email protected]: Building 8, Building 505, Yungu Phase II, Pingshan 1st Road, Xili Town, Nanshan District, Shenzhen Client： Guangdong Welland Technology Co., Ltd. Project： FI2540LB Antenna standard： BT Shenzhen DBT Telecommunication Technology CO.,LTD Antenna Testing Report Shenzhen DBT Telecommunication Technology让人人分享优质通讯 OTA-800 Brand：ETS Frequency range：370MHz-8.5GHz Features：passive、active test；G net、C net、 2G/3G/4G，WIFI and BT， TRP、TIS test. 5071C Brand：Agilent Frequency range：9KHz-8.5GHz Features：2G/3G/4G/BT/WIFI antenna comprehensive passive test。 8960 Brand：Agilent Frequency range：292MHz-2700GHz Features：2G/3G avtive test。 CMW500 Brand：Rohde & Schwarz Frequency range：70KHz-6GHz Features：2G/3G/4G/BT/WIFI/NB-Lot antenna comprehensive passive test。 Shenzhen DBT Telecommunication Technology让人人分享优质通讯 天线尺寸 Shenzhen DBT Telecommunication Technology让人人分享优质通讯 电 性 能 指 标 Electrical Parameter 频率范围(MHz)Frequency Range (MHz)2400~2500 电压驻波比 VSWR≤7.0 输入阻抗(Ω)Input Impedance(Ω)50 增益(dBi)Gain(dBi)-1.73 极化形式(°)Polarization(°)vertical 最大功率(W)Max power(W)10 天线类型 Antenna TypeMonopole 工作温度(°C)Working Temperature(°C)-40~+80 Shenzhen DBT Telecommunication Technology让人人分享优质通讯 Shenzhen DBT Telecommunication Technology让人人分享优质通讯 FreqEffiGain (MHz)(%)(dBi) 240034.86-1.78 241032.46-2.03 242031.76-2.06 2430 32.61-1.99 244033.23-1.81 245034.4-1.87 2460 32.23-1.76 247033.94-1.75 248032.32-1.73 2490 31.33-2.08 250031.17-2.15

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202604-0404-11 Page: 1 of 31 TB-RF-073-3.1 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Email: [email protected] www.cotecna-toby.com Radio Test Report FCC ID: 2BUUS-BS1 Report No. : TBR-C-202604-0404-11 Applicant : HONG KONG FED FITNESS LIMITED Equipment Under Test (EUT) EUT Name : Body Composition Scale Model No. : BS1 Series Model No. : N/A Brand Name : FED Fitness Sample ID : HC-C-202604-0404-01-01 Receipt Date : 2026-05-12 Test Date : 2026-05-12 to 2026-06-02 Issue Date : 2026-06-02 Standards : FCC Part 15 Subpart C 15.247 Test Method : KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10: 2020+Cor.1:2023+C63.10a: 2024+Errata to C63.10a: 2024 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Test By : Gold Zhang Reviewed By : Lucase Yang Approved By : Ivan Su This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TBR-C-202604-0404-11 Page: 2 of 31 www.cotecna-toby.com TB-RF-073-3.1 Contents CONTENTS ............................................................................................................................................ 2 1. GENERAL INFORMATION ABOUT EUT ............................................................................. 5 1.1 Client Information ................................................................................................................ 5 1.2 General Description of EUT (Equipment Under Test) ................................................... 5 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 6 1.4 Description of Support Units .............................................................................................. 7 1.5 Description of Test Mode ................................................................................................... 7 1.6 Description of Test Software Setting ................................................................................ 8 1.7 Measurement Uncertainty .................................................................................................. 9 1.8 Test Facility......................................................................................................................... 10 2. TEST SUMMARY..................................................................................................................... 11 3. TEST SOFTWARE .................................................................................................................. 11 4. TEST EQUIPMENT AND TEST SITE .................................................................................. 12 5. CONDUCTED EMISSION ...................................................................................................... 14 5.1 Test Standard and Limit ................................................................................................... 14 5.2 Test Setup........................................................................................................................... 14 5.3 Test Procedure .................................................................................................................. 14 5.4 Deviation From Test Standard......................................................................................... 15 5.5 EUT Operating Mode ........................................................................................................ 15 5.6 Test Data............................................................................................................................. 15 6. RADIATED AND CONDUCTED UNWANTED EMISSIONS ............................................ 16 6.1 Test Standard and Limit ................................................................................................... 16 6.2 Test Setup........................................................................................................................... 17 6.3 Test Procedure .................................................................................................................. 18 6.4 Deviation From Test Standard......................................................................................... 19 6.5 EUT Operating Mode ........................................................................................................ 19 6.6 Test Data............................................................................................................................. 19 7. RESTRICTED BANDS AND BAND EDGE REQUIREMENT .......................................... 20 7.1 Test Standard and Limit ................................................................................................... 20 7.2 Test Setup........................................................................................................................... 20 7.3 Test Procedure .................................................................................................................. 21 7.4 Deviation From Test Standard......................................................................................... 21 7.5 EUT Operating Mode ........................................................................................................ 21 7.6 Test Data............................................................................................................................. 21 8. BANDWIDTH TEST................................................................................................................. 22 8.1 Test Standard and Limit .......................................................................................…

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Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202604-0404-11 Page: 1 of 19 FCC ID: 2BUUS-BS1 TB-RF-073-3.1 RF Test Data for BLE (Conducted Measurements) General Description of EUT EUT Name: Body Composition Scale Model: BS1 Sample ID: HC-C-202604-0404-01-01 Environmental Conditions Ambient Temperature: 23.5°C Ambient Humidity: 43% Test Power Supply: DC 6V Test Engineer: Gold Zhang Note: For a more detailed features description, please refer to the report TBR-C-202604-0404-11. The report only show the worst case data. Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202604-0404-11 Page: 2 of 19 FCC ID: 2BUUS-BS1 TB-RF-073-3.1 Contents 1: DTS Bandwidth ............................................................................................................................................... 3 1.1 Test Result ......................................................................................................................................... 3 1.2 Test Graphs ....................................................................................................................................... 4 2: Occupied Channel Bandwidth ....................................................................................................................... 5 2.1 Test Result ......................................................................................................................................... 5 2.2 Test Graphs ....................................................................................................................................... 6 3: Maximum conducted output power .............................................................................................................. 7 3.1 Test Result Peak ............................................................................................................................... 7 3.2 Test Graphs Peak ............................................................................................................................. 8 4: Maximum power spectral density ................................................................................................................. 9 4.1 Test Result ......................................................................................................................................... 9 4.2 Test Graphs ..................................................................................................................................... 10 5: Band edge measurements ........................................................................................................................... 11 5.1 Test Result ....................................................................................................................................... 11 5.2 Test Graphs ..................................................................................................................................... 12 6: Conducted Spurious Emission...................................................................................................................... 13 6.1 Test Result ....................................................................................................................................... 13 6.2 Test Graphs ..................................................................................................................................... 14 7: Duty Cycle .................................................................................................................................................... 16 7.1 Test Result ....................................................................................................................................... 16 7.2 Test Graphs ..................................................................................................................................... 17 8: Emissions in Restricted Bands ...................................................................................................................... 18 8.1 Test Result ....................................................................................................................................... 18 8.2 Test Graphs ..................................................................................................................................... 19 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202604-0404-11 Page: 3 of 19 FCC ID: 2BUUS-BS1 TB-RF-073-3.1 1: DTS Bandwidth 1.1 Test Result Test Mode Antenna Frequency[MHz] DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 0.66 2401.66 2402.31 0.5 PASS BLE_1M Ant1 2440 0.65 2439.66 2440.31 0.5 PASS BLE_1M Ant1 2480 0.68 2479.63 2480.31 0.5 PASS Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202604-0404-11 Page: 4 of 19 FCC ID: 2BUUS-BS1 TB-RF-073-3.1 1.2 Test Graphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202604-0404-11 Page: 5 of 19 FCC ID: 2BUUS-BS1 TB-RF-073-3.1 2: Occupied Channel Bandwidth 2.1 Test Result Test Mode Antenna Frequency[MHz] OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 1.1508 2401.3886 2402.5395 --- --- BLE_1M Ant1 2440 1.1309 2439.4086 2440.5395 --- --- BLE_1M Ant1 2480 1.0829 2479.44…

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