2A2VUVFS535Royyt+Smart Body Fat Scale

Questions or Concerns? Contact our Customer Support Team [email protected] Royyt+ Smart Body Fat Scale VFS535-KUS USER MANUAL We want you to be healthy and happy. Thank you for choosing Ovutek ! If you have any questions or concerns, please contact freely to our helpful Customer Support Team at [email protected]. We hope you enjoy your new products! Package Contents Specifications Display Icons Safety Information Function Diagram Display Diagram Before Using App Setup Automatically recognises the user Weighing Modes Replacing the Batteries Cleaning the Scale Troubleshooting Warranty Information TERMS & POLICY Customer Support 1 1 1 2 3 4 5 5 6 6 7 8 8 11 11 12 Table of Contents Package Contents VFS535-KUS 450 lb / 205 kg / 32 st 0.1 lb / 0.05 kg lb / kg / st Tempered Glass 4 x 1.5V AAA Batteries 11.8 x 11.8 x 1.0 in / 30.0 x 30.0 x 2.5 cm 4.0 lb / 1.8 kg Model Weight Capacity Increments Weight Units Platform Power Supply Dimensions Weight Operating Systems - 1 - 12.0+ / 7.0+ Athlete Mode lets your scale adapt the way it computesbody composition. Zero-Current Mode is activated (Electric current disabled. Scalewill only measure weight and BMl). Low Battery (Need to replace battery) Connection enabled for phone app syncing Overload. Weight exceeds 460lb / 207kg Not enough power (Need to replace battery) 1 x Body Fat Scale 4 x 1.5V AAA Batteries 1 x Quick Start Guide Specifications Display Icons - 2 - • • Batteries Do not mix new and old batteries. If the scale is not in use for a long period of time, remove the batteries to extend the lifetime of the scale. • • • Medical This scale should not be used to diagnose or treat any medical condition. Scale data should not be used as a substitute for medical advice from a health- care professional. This scale uses a harmless electrical current to measure body fat. Consult a healthcare professional before using the smart scale if you use electronic medi- cal equipment such as a pacemaker. • • • • • • • • • • • General Use Check the scale before using. Do not use the scale if it is damaged in any way. Do not strike or bang on the scale and do not use the scale if there is a slight crack on the glass. Due to the nature of tempered glass, the glass will shatter if there is a slight crack. If you see a crack, contact Customer Support (see page 12). The glass platform is slippery when wet. Always make sure the platform and your feet are dry before stepping onto the scale. Place the scale on a hard, flat surface. To weigh safely and accurately, stand with your feet shoulder width apart while on the scale. Do not stand on the edge of the scale or jump on the scale. Avoid standing on the scale for a long period of time. Do not overload the scale. Maximum weight capacity is 450 lb / 205 kg / 32 st. Keep the scale in a cool area with low humidity. Keep the scale away from heat sources, such as ovens or heaters. Store the scale horizontally, not vertically. For household use only. This scale is not intended for commercial use. Handle with care. Please read and follow all instructions and safety guidelines in this manual. Safety Information - 3 - Function Diagram Display Conductive Areas Anti-Skid Padding A. B. C. Reset Button Battery Compartment D. E Figure 1 A B C E D Reset - 4 - Figure 2 Weight Body Fat Increase in latest data Muscle Mass Decrease in latest data Weight change from last measurement RGB lights to guide weight changes. See "Customized Light" in the app for more options. B A C G H D Display Diagram Athlete Mode Low Power Bluetooth Weight Trends BMI Body Water Zero Current Mode Units of measurement: kg/st/lb A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. E L F J K M N O I Step barefoot on the scale to accu-rately measure body compo- sition. Place the scale on a flat floor.Slip- pery when wet ! Do not step on scale with wet feet. - 5 - 1. 2. 3. Before Using Install the battery before use,bat- teries are in the package. To download the Ovutek app, scan the QR code or search “Ovutek” in the Apple App Store® or Google Play Store. Tap the "+" buttonin the app. Figure 3 Figure 4 Figure 5 Figure 3 Figure 4Figure 5 App Setup Ovutek FitPal Device Managment Add Device 1 2 - 6 - Automatically recognises the user Weighing without a mobile phone connected, the scale automatically recognises the user with the closest weight and measures body composition. 1. 2. If your weight has changed by more than 3kg (6.5lbs) or less since your last weigh-in, the scale may no longer recognise you. Turning on Ovutek and weighing with the device connected will match the current user or manually enter your weight data and the device will recognise you again. Setting Bluetooth 3.Ensure the Bluetoothof your phone is on. Just step on the scaleand weigh in.Follow the app guidelines to complete the device addition. 3 4 • Weighing Modes Zero-Current Mode: Suitable for pregnant women or those using implanted med- ical devices. 1. 2. Select Zero-Current Mode in the APP to turn on or off. When turned on, the current to your scale will be turned off, and your scale will not be able to calculate body indicators other than weight and BMI. • Figure 6 Figure 6 - 7 - 1. 2. 3. 4. Open the battery compartment on the underside of the scale. Remove the old batteries and dispose of them properly. Install 4 new 1.5V AAA batteries. Make sure the polarities match. Close the battery compartment, place the scale on a hard, flat surface. • The display will show and when the batteries need to be replaced. Replacing the Batteries Figure 7 Figure 7 Family Mode: To weigh your baby or pet, tap and follow the in-app instruc- tions for weighing. Baby Mode will not measure other body metrics and will only measure weight and BMI. • Athlete Mode: Suitable for people with long-term exercise habits and athletes. 1. 2. Provide you more accurate body composition measurements. Use this mode if both of the following apply to you: 3. In the user information of the APP, turn on the "Althlete" switch to enable it. (1) (2…

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Shenzhen Subject Technology Co., Ltd. Covered Equipment Certification Attestation Letter 5/16/2024 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA A TTN.: Reviewing Engineer FCC ID: 2A2VUVFS535 Shenzhen Subject Technology Co., Ltd. (“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. N ote: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. S henzhen Subject Technology Co., Ltd. (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Signed: P rinted name: Yanfei Sun Title: General Manager Company Name: Shenzhen Subject Technology Co., Ltd. Date: 5/16/2024

Shenzhen Subject Technology Co., Ltd. U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Baihetian Innovative Solutions FRN: 0033401605 Contact Name: Kenneth Young Street Address: 6837 Chase Rd City/Province/Zip: Dearborn, MI 48126 Telephone No: 313-395-3113 Email: [email protected] This letter is to confirm that we (“Baihetian Innovative Solutions) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: May 24, 2024 Signed by (Printed Name/Title): Kenneth Young/Manager The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: Shenzhen Subject Technology Co., Ltd. Grantee Code: 2A2VU FRN: 0031266000 FCC ID: 2A2VUVFS535 Contact Name: Yanfei Sun Street Address: 705, Building 11, Phase II, Tianan Yungu Industrial Park, Gangtou Community, Bantian Sub- District City/Province/Zip: Longgang District, Shenzhen, China Telephone No: +8618129820148 Email: [email protected] Applicant Signature: Date:2024-05-16 Signed by (Printed Name/Title): Yanfei Sun/ General Manager May 2024

Shenzhen Subject Technology Co., Ltd. 2024-05-16 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act asAgent On our behalf, I appoint SHENZHEN TONGCE TESTING LAB / 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China (Name of Agent company name andaddress) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonourbehalf,Iack nowledgethatallresponsibilityforcomplyingwiththetermsandconditionsforcertification,stillres ideswith Shenzhen Subject Technology Co., Ltd./ 705, Building 11, Phase II, Tianan Yungu Industrial Park, Gangtou Community, Bantian Sub-District, Longgang District, Shenzhen, China (Applicant Nameandaddress) <Signature> Name: Yanfei Sun Title: General Manager Applicant Company: S henzhen Subject Technology Co., Ltd.

Shenzhen Subject Technology Co., Ltd. 2024-05-16 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2A2VUVFS535 Product Name: Royyt+Smart Body Fat Scale Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request t hat the following documents be held confidential: •S chematics •Block diagram •Operation description T hese materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. < Signature> Na me: Yanfei Sun Title: General Manager Company: Shenzhen Subject Technology Co., Ltd.

Page 1 of 4 Appendix B: Photographs of EUT Product: Royyt+Smart Body Fat Scale Model: VFS535-KUS External Photos Page 2 of 4 Page 3 of 4 Page 4 of 4

Label Artwork and Location Model: VFS535-KUS Label: Size: L*W=75*45mm Location

Page 1 of 3 Appendix B: Photographs of EUT Product: Royyt+Smart Body Fat Scale Model: VFS535-KUS Internal Photos Antenna Page 2 of 3 Page 3 of 3

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2A2VUVFS535 Test Report No. ............... : TCT240508E007 Date of issue ................... : May 15, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Shenzhen Subject Technology Co., Ltd. Address ........................... : 705, Building 11, Phase II, Tianan Yungu Industrial Park, Gangtou Community, Bantian Sub-District, Longgang District, Shenzhen, China Manufacturer's name ... : Shenzhen Subject Technology Co., Ltd. Address ........................... : 705, Building 11, Phase II, Tianan Yungu Industrial Park, Gangtou Community, Bantian Sub-District, Longgang District, Shenzhen, China Standard(s) ..................... : KDB 447498 D01 General RF Exposure Guidance v06 Product Name ................. : Royyt+Smart Body Fat Scale Trade Mark ...................... : N/A Model/Type reference..... : VFS535-KUS Rating(s).......................... : DC 6V(4*AAA* Battery) Date of receipt of test item ......................................... : May 08, 2024 Date (s) of performance of test ................................... : May 08, 2024 ~ May 15, 2024 Tested by (+signature) ... : Onnado YE Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT240508E007 Page 2 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 2. General Information ................................................................................. 4 2.1. Test environment and mode ................................................................................. 4 2.2. Description of Support Units ................................................................................ 4 3. Facilities and Accreditations .................................................................. 5 3.1. Facilities ................................................................................................................. 5 3.2. Location ................................................................................................................. 5 4. Test Results and Measurement Data ..................................................... 6 Report No.: TCT240508E007 Page 3 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : Royyt+Smart Body Fat Scale Model/Type reference........... : VFS535-KUS Sample Number....................: TCT240508E006-0101 Operation Frequency ........... : 2402MHz~2480MHz Modulation Type ................... : GFSK Antenna Type ........................ : FPC Antenna Antenna Gain ........................ : 4.69dBi Rating(s)................................ : DC 6V(4*AAA* Battery) Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. Report No.: TCT240508E007 Page 4 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. General Information 2.1. Test environment and mode Item Normal condition Temperature +25ºC Voltage DC 6V Humidity 56% Atmospheric Pressure: 1008 mbar Test Mode: Engineering mode: Keep the EUT in continuous transmitting by select channel 2.2. Description of Support Units The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Equipment Model No. Serial No. FCC ID Trade Name / / / / / Note: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 3. For conducted measurements (Output Power, 20dB Occupied Bandwidth, Carrier Frequencies Separation, Hopping Channel Number, Dwell Time, Spurious Emissions), the antenna of EUT is connected to the test equipment via temporary antenna connector, the antenna connector is soldered on the antenna port of EUT, and the temporary antenna connector is listed in the Test Instruments. Report No.: TCT240508E007 Page 5 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. Facilities and Accreditations 3.1. Facilities The test facility is recognized, certified, or accredited by the following organizations: ● FCC - Registration No.: 645098 SHENZHEN TONGCE TESTING LAB Designation Number: CN1205 The testing lab has been registered and fully described in a report with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. ●IC - Registration No.: 10668A SHENZHEN TONGCE TESTING LAB CAB identifier: CN0031 The testing lab has been registered by Innovation, Science and Economic Development Canada for radio equipment testing. 3.2. Location SHENZHEN TONGCE TE…

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Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2A2VUVFS535 Test Report No. ............... : TCT240508E006 Date of issue ................... : May 15, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory, Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Shenzhen Subject Technology Co., Ltd. Address ........................... : 705, Building 11, Phase II, Tianan Yungu Industrial Park, Gangtou Community, Bantian Sub-District, Longgang District, Shenzhen, China Manufacturer's name ... : Shenzhen Subject Technology Co., Ltd. Address ........................... : 705, Building 11, Phase II, Tianan Yungu Industrial Park, Gangtou Community, Bantian Sub-District, Longgang District, Shenzhen, China Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 FCC KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 Product Name ................. : Royyt+Smart Body Fat Scale Trade Mark ...................... : N/A Model/Type reference..... : VFS535-KUS Rating(s).......................... : DC 6V(4*AAA* Battery) Date of receipt of test item ......................................... : May 08, 2024 Date (s) of performance of test ................................... : May 08, 2024 ~ May 15, 2024 Tested by (+signature) ... : Onnado YE Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT240508E006 Page 2 of 51 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 1.3. Operation Frequency ............................................................................................ 3 2. Test Result Summary .............................................................................. 4 3. General Information ................................................................................. 5 3.1. Test environment and mode ................................................................................. 5 3.2. Description of Support Units ................................................................................ 5 4. Facilities and Accreditations .................................................................. 6 4.1. Facilities ................................................................................................................. 6 4.2. Location ................................................................................................................. 6 4.3. Measurement Uncertainty ..................................................................................... 6 5. Test Results and Measurement Data ..................................................... 7 5.1. Antenna requirement ............................................................................................ 7 5.2. Conducted Emission ............................................................................................. 8 5.3. Conducted Output Power ..................................................................................... 9 5.4. Emission Bandwidth ........................................................................................... 10 5.5. Power Spectral Density ....................................................................................... 11 5.6. Conducted Band Edge and Spurious Emission Measurement ....................... 12 5.7. Radiated Spurious Emission Measurement ...................................................... 14 Appendix A: Test Result of Conducted Test Appendix B: Photographs of Test Setup Appendix C: Photographs of EUT Report No.: TCT240508E006 Page 3 of 51 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : Royyt+Smart Body Fat Scale Model/Type reference........... : VFS535-KUS Sample Number....................: TCT240508E006-0101 Bluetooth Version ................ : V5.1 Operation Frequency ........... : 2402MHz~2480MHz Channel Separation ............. : 2MHz Number of Channel .............. : 40 Modulation Type ................... : GFSK Antenna Type ........................ : FPC Antenna Antenna Gain ........................ : 4.69dBi Rating(s)................................ : DC 6V(4*AAA* Battery) Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. 1.3. Operation Frequency Channel Frequency Channel Frequency Channel Frequency Channel Frequency 0 2402MHz 10 2422MHz 20 2442MHz 30 2462MHz 1 2404MHz 11 2424MHz 21 2444MHz 31 2464MHz ... ... ... ... ... ... ... ... 8 2418MHz 18 2438MHz 28 2458MHz 38 2478MHz 9 2420MHz 19 2440MHz 29 2460MHz 39 2480MHz Remark: Channel 0, 19 & 39 have been tested. Report No.: TCT240508E006 Page 4 of 51 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. Test Result Summary Requirement CFR 47 Section Result Antenna requirement §15.203/§15.247 (c) PASS AC Power Line Conducted Emission §15.207 N/A Conducted Peak Output…

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德威玛通讯设备有限公司 DWM Communication Equipment Co., Ltd. vDATE：2024-05-09 Test Equipment Customer LFSCALE Customer Number CF608BLE Antenna Band BT:2400~2500MHz DWM Number Date2024/05/09Author Technology Parameters Frequency(MHz) 2400~2500MHz Peak Gain(dBi)4.74dBi Efficiency(％)＞30% VSWR ＜2.0 Impedance(Ω)50Ω Antenna TypeDipole Polarization Linear Specification ElementValue E1(0201) E2(0201) E3(0201 E4(0201) The matching test value BT Antenna Passive Data(SWR)： BT Antenna Gain And Efficiecny； Antenna 3D Pattern(2400MHz)： Antenna 3D Pattern(2450MHz)： Antenna 3D Pattern(2500MHz)： Engineering drawing： Addres：深圳市宝安23区创业二路友谊大厦1栋3楼

Page 1 of 1 Appendix A: Photographs of Test Setup Product: Royyt+Smart Body Fat Scale Model: VFS535-KUS Radiated Emission