2AKLA-FRL-B10Measure muscle mass, body fat percentage

Version 1.0 Sync with both iOS and Android FRL-B10 USER GUIDE Please read this User Guide before using the device to ensure safe and proper use. Charging Battery You may recharge the device using the USB to Micro 5 Pin Cable included in the package. Quick Power Button You can turn both the device and Bluetooth on and off with a simple press of the button. Heart Rate Sensor (PPG) Place your finger on the rectangular sensor to measure Heart Rate and Stress Level. Four Electrode Sensor Measure Body Fat (%), Skeletal Muscle (kg), and other components using Bioelectrical Impedance Analysis (BIA). Features Accessories USB CableUser Guide How to Use Register user account by inputting height, weight, gender, and age. Connect Fitrus Light to smartphone via Bluetooth by pressing Quick Power Button. 2 3 Measure your health by pressing Start on your Fitrus App. You can find more information in the web manual using the QR Code. http://manual.onesoftdigm.com 4 Download the Fitrus App from the Google Play Store or Apple App Store. Use the QR Code and download apps on your smartphone. https://thefitrus.com/app/ 1 Right way of measurement Lightly pinch the 4 electrodes with both of your thumbs and index fingers to measure Body Fat (%), Skeletal Muscle (kg), Basal Metabolic Rate, and Body water. Stretch your arms and make sure the left and right hands do not touch each other. Touch Place your finger on the rectangular sensor to measure Heart Rate and Stress Level. Heart Rate & Stress IndexBody Composition frequently asked questions (FAQ) Should I charge Fitrus A when I first get it? It may buffer and send the product, but it may cause battery loss during delivery; it is recommended to buffer and use it after receiving the product. Please check our QR Code for more information. Can anyone else measure it? Use Measuring guest function. How to reset Fitrus Light? Press Quick Power Button for 5 seconds. What versions of the phone are compatible with Fitrus Light? Fitrus Light is compatible with Android 5.0 or above, and iOS 9.0 or above; however, some Androids and iPads will not be compatible. Does Fitrus App offer different languages? Fitrus App offers Korea, Japan, and English. We are in a process of offering more language options. How can you sync your activity level from the Fitrus App? Top left bar Settings Sync choose between Health App, Fitrus Light, and All Step. WARNING Fitrus Light is not a medical device and should not be used for diagnostics or treatment. Do not use this device if you are dependent on any biometric devices, such as a cardiac regulator, medical ECG, mechanical heart, or heart-lung machine. The electric current (under 150 uA of 50 kHz) is too low for anyone to sense or be affected by it. If you do experience any sensations or symptoms, immediately cease its operation. Do not use Fitrus A to measure your body composition during pregnancy or menstruation. There will be discrepancies. Precaution Make sure to remove any nearby devices that can cause wireless interference. These sources can cause slower performance or disconnection from Fitrus Light and may also interfere with the Bioelectrical Impedance Analysis(BIA), resulting in inaccurate readings. Do not eat or dismantle the battery. Keep out of children’s reach. You must follow local regulations when disposing of the device or any of its components and accessories. Please be aware that Fitrus Light may not provide accurate readings if the person is under the age of 13, extremely obese or severely underweight. WARRANTY If you are experiencing a problem using Fitrus Light, please contact the OSD team. Within the one-year warranty period, if any malfunction transpires under normal use, as established by the manual, the affected components of the product will be exchanged free of charge. Past the one-year mark of the initial purchase, you will be responsible for the cost of any exchanges. In principle, the components will be exchanged with those of the same color and model. The customer may be responsible for the shipping costs. In the following cases, the service fee may be charged even during the warranty period. Malfunctions or damages of any disassembled or modified devices. Damages caused by water & liquid or any weather conditions. osd.sale @ onesoftdigm.com Device Name Model Number Trade Name Manufacturer Country of Origin Production Date Fitrus Light FRL-B10 ONESOFTDIGM Co., Ltd. ONESOFTDIGM Co., Ltd. Republic of Korea Marked Separately +82-54-279-4467 +82-50-4047-8250 osd.sale @ onesoftdigm.com http://www.onesoftdigm.com http://www.thefitrus.com The content of the User Guide (including safety precautions) may be changed at any time without notice to Users as the specifications for Hardware, Software and Configurations are modified. Some of the images which appear in this User Guide may differ from those on your product. Telephone Facsimile E-Mail Homepage

Date: 12/18/2019 VCB_F-01: Operating Procedures Form – FCC Authorization v02 Page 1 of 1 ONESOFTDIGM. Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2021-04-15 SUBJECT: FCC Application for (FCC ID: 2AKLA-FRL-B10) To Whom It May Concern: We, the undersigned, hereby authorize SoonAe Lee in Korea Standard Testlab on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Korea Standard Testlab on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, (Must be signed by the person that is listed on the FCC Website) Client’s signature: Client’s name & title: DaeHo Lee (CEO) Contact information / address: Jigok Research Bldg., 64, Jigok-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do, 37666, Republic of Korea

Date: 12/18/2019 VCB_F-01: Operating Procedures Form – FCC Confidentiality v03 Page 1 of 1 ONESOFTDIGM. Co.,Ltd. Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2AKLA-FRL- B10 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Type of Confidentiality Requested Exhibit Type ☐Short Term ☐ Permanent Block Diagrams ☐Short Term External Photos ☐Short Term ☐Permanent* Internal Photos ☐Short Term ☐Permanent Operation Description ☐Short Term ☐Permanent Parts List/BOM ☐Short Term ☐Permanent Schematics ☐Short Term Test Setup Photos ☐ Short Term ☐Permanent* User manual *Requires further justification before permanent confidentiality will be allowed. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality: Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for an initial period of 90 days. Sincerely, Client’s signature: Client’s name & title: DaeHo Lee (CEO) Contact information / address: Jigok Research Bldg., 64, Jigok-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do, 37666, Republic of Korea

Photo 1: External Photographs TOP Bottom Side 1 Side 2 Side 3 Side 4 -END-

Fitrus Light Model : FRL-B10 FCC ID : 2AKLA-FRL-B10 POWER : DC 3.7 V Manufacturer : EST Made in Korea https://onesoftdigm.com This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Label Information 1. Label Location 2. Label Drawing Label position 15mm 25mm

Interior view of EUT Internal Photos View of PCB (Top) View of PCB (Bottom) View of Battery (Top) View of Battery (Bottom) -END-

Korea Standard Testlab 107-27, Jangdeokdong-gil, Namyang-eup, Hwaseong-si, Gyeonggi-do, Korea Tel : +82-31-356-7333 FAX : +82-31-356-7303 Report Number : KST-FRF-210017 Page 2/66 The test results presented in this report apply only to the specific sample(s) tested and described in the report itself. This Report shall not be reproduced partially or in its entirety without the written approval of KST KSTFR-P30-09(Rev.2.2) TABLE OF CONTENTS 1. General Information·························································································································4 1.1. Client Information······················································································································4 1.2. General Description of E.U.T.····································································································4 1.3. Details of E.U.T.························································································································4 1.4. Test Facility·······························································································································5 2. Test Equipment and Ancillaries used for Tests··················································································6 3. Summary of Test Results··················································································································7 4. Test Results······································································································································8 4.1. E.U.T. test conditions·················································································································8 4.1.1. EUT channels and frequencies list························································································9 4.1.2. Test Mode····························································································································9 4.2. Antenna ···································································································································10 4.2.1. Requirement·······················································································································10 4.2.2. Test Result·························································································································10 4.3. Duty Cycle·······························································································································11 4.3.1. Requirement·······················································································································11 4.3.2. Test method·······················································································································11 4.3.3. Test Configuration·············································································································11 4.3.4. Test Procedure···················································································································11 4.3.5. Test result··························································································································12 4.4. 6dB Bandwidth························································································································14 4.4.1. Requirement·······················································································································14 4.4.2. Test method·······················································································································14 4.4.3. Test Configuration·············································································································14 4.4.4. Test Procedure···················································································································14 4.4.5. Test result··························································································································15 4.5. Conducted Maximum Output Power·························································································19 4.5.1. Requirement·······················································································································19 4.5.2. Test Method·······················································································································19 4.5.3. Test Configuration·············································································································19 4.5.4. Test Procedure···················································································································19 4.5.5. Test result··························································································································20 4.6. Power Spectral Density·············································································································24 4.6.1. Requirement·······················································································································24 4.6.2. Test Method·······················································································································24 4.6.3. Test Configuration·············································································································24 4.6.4. Test Procedure···················································································································24 Korea Standard Testlab 107-27, Jangdeokdong-gil, Namyang-eup, Hwaseong-si, Gyeonggi-do, Korea Tel : +82-31-356-7333 FAX : +82-31-356-7303 Report Number : KST-FRF-210017 Page 3/66 The test results presented in this report apply only to the specific sample(s) tested and described in the report itself. This Report shall not be reproduced partially or in its entirety with…

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Korea Standard Testlab 107-27, Jangdeokdong-gil, Namyang-eup, Hwaseong-si, Gyeonggi-do, Korea Tel : +82-31-356-7333 FAX : +82-31-356-7303 Report Number : KST-FRF-210017 Page 2/66 The test results presented in this report apply only to the specific sample(s) tested and described in the report itself. This Report shall not be reproduced partially or in its entirety without the written approval of KST KSTFR-P30-09(Rev.2.2) TABLE OF CONTENTS 1. General Information·························································································································4 1.1. Client Information······················································································································4 1.2. General Description of E.U.T.····································································································4 1.3. Details of E.U.T.························································································································4 1.4. Test Facility·······························································································································5 2. Test Equipment and Ancillaries used for Tests··················································································6 3. Summary of Test Results··················································································································7 4. Test Results······································································································································8 4.1. E.U.T. test conditions·················································································································8 4.1.1. EUT channels and frequencies list························································································9 4.1.2. Test Mode····························································································································9 4.2. Antenna ···································································································································10 4.2.1. Requirement·······················································································································10 4.2.2. Test Result·························································································································10 4.3. Duty Cycle·······························································································································11 4.3.1. Requirement·······················································································································11 4.3.2. Test method·······················································································································11 4.3.3. Test Configuration·············································································································11 4.3.4. Test Procedure···················································································································11 4.3.5. Test result··························································································································12 4.4. 6dB Bandwidth························································································································14 4.4.1. Requirement·······················································································································14 4.4.2. Test method·······················································································································14 4.4.3. Test Configuration·············································································································14 4.4.4. Test Procedure···················································································································14 4.4.5. Test result··························································································································15 4.5. Conducted Maximum Output Power·························································································19 4.5.1. Requirement·······················································································································19 4.5.2. Test Method·······················································································································19 4.5.3. Test Configuration·············································································································19 4.5.4. Test Procedure···················································································································19 4.5.5. Test result··························································································································20 4.6. Power Spectral Density·············································································································24 4.6.1. Requirement·······················································································································24 4.6.2. Test Method·······················································································································24 4.6.3. Test Configuration·············································································································24 4.6.4. Test Procedure···················································································································24 Korea Standard Testlab 107-27, Jangdeokdong-gil, Namyang-eup, Hwaseong-si, Gyeonggi-do, Korea Tel : +82-31-356-7333 FAX : +82-31-356-7303 Report Number : KST-FRF-210017 Page 3/66 The test results presented in this report apply only to the specific sample(s) tested and described in the report itself. This Report shall not be reproduced partially or in its entirety with…

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Korea Standard Testlab 107-27, Jangdeokdong-gil, Namyang-eup, Hwaseong-si, Gyeonggi-do, Korea Tel : +82-31-356-7333 FAX : +82-31-356-7303 Report Number : KST-FRF-210017 Page 2/66 The test results presented in this report apply only to the specific sample(s) tested and described in the report itself. This Report shall not be reproduced partially or in its entirety without the written approval of KST KSTFR-P30-09(Rev.2.2) TABLE OF CONTENTS 1. General Information·························································································································4 1.1. Client Information······················································································································4 1.2. General Description of E.U.T.····································································································4 1.3. Details of E.U.T.························································································································4 1.4. Test Facility·······························································································································5 2. Test Equipment and Ancillaries used for Tests··················································································6 3. Summary of Test Results··················································································································7 4. Test Results······································································································································8 4.1. E.U.T. test conditions·················································································································8 4.1.1. EUT channels and frequencies list························································································9 4.1.2. Test Mode····························································································································9 4.2. Antenna ···································································································································10 4.2.1. Requirement·······················································································································10 4.2.2. Test Result·························································································································10 4.3. Duty Cycle·······························································································································11 4.3.1. Requirement·······················································································································11 4.3.2. Test method·······················································································································11 4.3.3. Test Configuration·············································································································11 4.3.4. Test Procedure···················································································································11 4.3.5. Test result··························································································································12 4.4. 6dB Bandwidth························································································································14 4.4.1. Requirement·······················································································································14 4.4.2. Test method·······················································································································14 4.4.3. Test Configuration·············································································································14 4.4.4. Test Procedure···················································································································14 4.4.5. Test result··························································································································15 4.5. Conducted Maximum Output Power·························································································19 4.5.1. Requirement·······················································································································19 4.5.2. Test Method·······················································································································19 4.5.3. Test Configuration·············································································································19 4.5.4. Test Procedure···················································································································19 4.5.5. Test result··························································································································20 4.6. Power Spectral Density·············································································································24 4.6.1. Requirement·······················································································································24 4.6.2. Test Method·······················································································································24 4.6.3. Test Configuration·············································································································24 4.6.4. Test Procedure···················································································································24 Korea Standard Testlab 107-27, Jangdeokdong-gil, Namyang-eup, Hwaseong-si, Gyeonggi-do, Korea Tel : +82-31-356-7333 FAX : +82-31-356-7303 Report Number : KST-FRF-210017 Page 3/66 The test results presented in this report apply only to the specific sample(s) tested and described in the report itself. This Report shall not be reproduced partially or in its entirety with…

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