2A9QM-SPLUSHB2sleepisol+

IFU_HB2_R1.0E LeeSol 1 / 10 sleepisol+ User Manual Product description and efficacy sleepisol+ is a smart wearable product utilizing CES (Cranial Electrotherapy Stimulation) technology that ensures the quality of life by promoting high quality sleep. (Non-medical device) User friendly app provides convenient use. Deep Sleep Quality of sleep is improved to promote deep sleep Promotes strong concentration Reduced stress Eliminates anxiety and insomnia and improves concentration Exercise for Brain Promotes healty brain and activates brain activity through delivering neurotransmitter balance Deep Sleep Quality of sleep is improved to promote deep sleep Reduced stress Eliminates anxiety and insomnia and improve concentration Harmless to human body Promotes healthy brain and activates brain activity through delivering neurotransmitter balance sleepisol+ IFU_HB2_R1.0E LeeSol 2 / 10 Product content Main module Front Back Charger Charging connector USB-C cable Operation LED Power Button CES Sensor sleepisol+ band IFU_HB2_R1.0E LeeSol 3 / 10 How to use - Hold the product at the position shown in the image. - Put on the product onto the head, positioning the CES sensors at temple - The product is bidirectional. Position the product at the most comfortable way. - Wash face before use. The Product can be used on make-up base - Heavy make-up, hair, and other objects at the CES sensor area can cause malfunction or reduced performance. ON/OFF / In operation / Continued use / Bluetooth connection ON : Touch the power button for more than 1 second to power on the product. LED should blink twice, and an audible indication will be generated. The product is now in operation. OFF : Touch the power button for more than 3 seconds to stop the operation and to power off the product. Orange LED blinks twice and an audible indication is generated. The product is now powered off. In operation : Bl ue LED pulsates over 10 second interval while in operation. The product powers off automatically in 30 minutes after powering on. Continued use : If a continued use is desired, it is required to power on the product again after 30 minutes. Mobile app can be used to set operation time up to 60 minutes. Bluetooth connection : 1. Turn on Bluetooth function on the mobile device. 2. Power on the product. 3. Start the app and press button, and find sleepisol+ on the list. Select the sleepisol+ device to connect to the product. 4. Blue LED will stay lit for 3 seconds and go off when the connection is achieved 5. After the initial connection, power on the product and press button on the app to connect. IFU_HB2_R1.0E LeeSol 4 / 10 * It is highly recommended to use the app to receive accurate data. * Total use time is the only data provided if app is not used. * The product will stop operation automatically after 30 minutes if it is not used along with the app. IFU_HB2_R1.0E LeeSol 5 / 10 Changing the operation mode (4 operation modes) sleepisol+ provides sleep/stress/calming/concentration modes Mode can be changed on the app after the product is connected to the app. * Last activated mode will be used when the product is not used with the app. (Sleep mode is factory set) Battery alert If the battery charge level drops below certain level, orange LED will blink 5 times and the product will not power on. Charge the product as follows. Charging the product 1. Plug in the cable as shown in above image A 2. Slide in the product as shown in image B 3. Orange LED will light up during charge. 4. Green LED will light up when charging is completed. * Battery is a consumable, and the battery life will be reduced over the lifespan of the product. IFU_HB2_R1.0E LeeSol 6 / 10 Recommended lifespan of sleepisol+ band and how to replace the band Lifespan of the band sleepisol+ band is a consumable part. Recommended use time for the band is 1,000 hours. Using more than the expected lifespan will cause reduced performance of the product. Follow below instruction to replace the band sleepisol+ band can be purchased at Leesol website. http://leesolbrain.com How to replace the band 1. Hold the product by the position shown in the image A, and pull apart to remove the band. 2. Press in the new sleepisol+ band until it clicks. Make sure the insert guideline is at the position as shown in the image B. 3. The product will not function properly if the band is not inserted correctly. 4. Do not press in too hard as it can damage the product. Guideline IFU_HB2_R1.0E LeeSol 7 / 10 Precautions for use For safe use of microcurrent devices, please pay attention to the following points when using them. - Users may experience minor flashing. Do not be alarmed as it is a normal effect of the product. - Consult with a physician if the contact area causes skin irritation. - This product is a sensitive device that generates the same microcurrent as the current that naturally flows in the human body. Always use the provided charging cable and a certified power adaptor to insure proper performance. - This product is not water resistant. Keep away from moisture. - Keep the product away from children. - Do not drop or apply extreme shock to the product. - Disassembling, unauthorized repair or modification void all warranty and the manufacturer or the seller will not be responsible for any malfunctions or damages. - Stop the usage if you experience headache or dizziness. Consult with a physician before resuming the use. [Caution] Risk of fire or explosion if the battery is disposal into fire or hot oven, mechanically crushing or cutting [Caution] Risk of explosion or the leakage of flammable liquid or gas if the battery is leaving in an extremely high temperature surrounding environment. [Caution] Risk of explosion or the leakage of flammable liquid or gas if the battery is subjected to extremely low air pressure. IFU_HB2_R1.0E LeeSol 8 / 10 Specifications Product Name sleepisol+ Model Name HB-2 Description A healthcare device that helps brain health by transmitting microcurr…

Text truncated - open the document above for the full version.

Rev 1/26/2023 LeeSol Co., Ltd. 3F, 3 Duteopbawi-ro 1-gil, Yongsan-gu Seoul South Korea 04334 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 15 February, 2023 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2A9QM-SPLUSHB2 LeeSol 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. Sincerely, Jiyoung Kim Rev 1/26/2023 LeeSol Co., Ltd. 3F, 3 Duteopbawi-ro 1-gil, Yongsan-gu Seoul South Korea 04334 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 15 February, 2023 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2A9QM-SPLUSHB2 LeeSol 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. Sincerely, Jiyoung Kim

LeeSol Co., Ltd. 3F, 3 Duteopbawi-ro 1-gil, Yongsan-gu Seoul South Korea 04334 Date: 03/07/2023 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Letter of Authorization We, the undersigned, hereby authorize Geunki Son of Dt&C Co., Ltd. to act on our behalf in all manners relating to application for equipment authorization for FCC ID: 2A9QM-SPLUSHB2 including signing of all documents relating to these matters. Any and all acts carried out by Geunki Son of Dt&C Co., Ltd. on our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice from LeeSol Co., Ltd.. “I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a).” Sincerely, Contact Name: Jiyoung Kim Title: Manager

LeeSol Co., Ltd. 3F, 3 Duteopbawi-ro 1-gil, Yongsan-gu Seoul South Korea 04334 Date: 03/07/2023 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Request of Confidentiality FCC ID: 2A9QM-SPLUSHB2 To Whom It may Concern: Pursuant to Sections 0.457 and 0.459 of the Commission`s Rules(CFR 47), and Section 552 (b) (4) of the Freedom of Information Act, LeeSol Co., Ltd. hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short-Term Confidentiality for 180 days after the grant as outlined in Public Notice DA 04-1705. This provision will give LeeSol Co., Ltd. temporary confidentiality of commercially sensitive information prior to product release. The requested permanent and Short-Term Confidential exhibits are listed as follows: PERMANENT & SHORT-TERM CONFIDENTIAL LIST Exhibit Description PERMANENT 1 Block Diagram 2 Schematics 3 Part Lists 4 Operation Description 5 NA SHORT-TERM 6 Internal Photos 7 External Photos 8 Test-Setup Photos 9 User Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be public before the date of the Grant for this application. Sincerely, Contact Name: Jiyoung Kim Title: Manager

LeeSol Co., Ltd. 3F, 3 Duteopbawi-ro 1-gil, Yongsan-gu Seoul South Korea 04334 Date: 03/16/2023 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Declaration letter for SDOC FCC ID: 2A9QM-SPLUSHB2 To whom it may concern : We declare that this device will be approved in accordance with SDOC procedure for Rule Part 15B. We certify that the product had performed test on Dt&C laboratory and it was confirmed to comply with FCC Part 15B. Sincerely, Contact Name: Jiyoung Kim Title: Manager

FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. View 1 FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. View 2 FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. View 3 FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. View 4 FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. View 5

A.MainModuleLabel

FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. View 1 FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. View 2 FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. View 3 FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. View 4 <Module_socket> <Module_socket> FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. View 5 FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. View 6 <Battery> <Battery>

FCC ID: RF featureMode Transmitting Frequency(MHz) Test separation distance (mm) ANT Gain (dBi) Max. power with tune-up tolerance (dBm) Note1 Max. power with tune-up tolerance (mW) Power thresholds SAR test exclusion thresholds BLEGFSK(1Mbps)2 480.005.00.501.001.258 90.403.00 Note1. Conclusion : = [ ( 1.2589mW / 5mm ) ] X [ √2.48GHz ] = 0.4 Note. The calculation result was rounded to two decimal place for comparison. 2A9QM-SPLUSHB2 Please refet to the operation description for Max Tune-up power. Standalone SAR test exclusion considerations SAR evaluation for general population exposure conditions by measurement or numerical simulation is not required KDB 447498 D01 clause 4.3.1 Step 1) SAR test exclusion thresholds for 100MHz to 6GHz at test separation distances ≤ 50 mm [ ( max. power of channel, including tune-up tolerance, mW ) / ( min. test separation distance, mm ) ] · [ √f(GHz) ] ≤ 3.0 for 1g SAR and ≤ 7.5 for 10g extremity SAR Sample Calculation

2450 MHz AntennaP/N 2450AT18B100 Detail Specification: 03/08/2016 Page 1 of 4 Mechanical Dimensions Inmm L±± W±± T a±± Mount these devices with brown mark facing up. Units: mm Line width should be designed to provide 50 Ω impedance matching characteristics. a) Without Matching Circuits b) With Matching Circuits Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. Ver.2.1 www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2016 Johanson Technology, Inc. All Rights Reserved NC Termination style 100% Tin 0.020 1.30 0.30 Tin / LeadPlease consult Factory 1.600.200.008 Feeding Point 2 Suffix = None Mounting Considerations Terminal Configuration No. 1 Function 0.012 0.051+.004/-.008+0.1/-0.2 Part Number Explanation BulkSuffix = SEg. 2450AT18B100S T & RSuffix = EEg. 2450AT18B100E Packaging Style P/N Suffix Eg. 2450AT18B100(E or S) General Specifications Input Power Impedance Operating Temperature Reel Quanity Peak Gain Average Gain-0.5 dBi typ. (XZ-V) 9.5 dB min. Part Number Frequency Range 2W max. 50 Ω -45°C to 125°C 3,000 Return Loss "High Frequency Ceramic Solutions" 0.50 0.1260.0083.200.20 0.063 2450AT18B100 2400 - 2500 Mhz 0.5 dBi typ. (XZ-V) 1 2 L W a T ) Matching Component JTI P/Ns: L-14C2N7JV4 L-14C2N2JV4 * 2.6 4.2 1.6 1.9 0.4 2.7nH 1.2pF 3.3nH JTI P/N for Matching Circuit: Cap (1.2pF): 500R07S1R2BV4T Inductor (2.7nH): L-07C2N7SV6T Inductor (3.3nH): L-07C3N3SV6T 2450 MHz AntennaP/N 2450AT18B100 Detail Specification: 03/08/2016 Page 2 of 4 Test Board: Return Loss a) Without Matching Circuitb) With Matching Circuit Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. Ver.2.1 www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2016 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" Typical Electrical Characteristics (T=25 o C) ) ) ) ) ) ) ) ) ) Ground 13.5mm 6.5mm 39.5mm 6.5mm Matching Circuit No Ground 50 Feed Line Antenna 19mm 4mm 2450 MHz AntennaP/N 2450AT18B100 Detail Specification: 03/08/2016 Page 3 of 4 Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. Ver.2.1 www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2016 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" Typical Radiation Patterns at 2.45GHz (+25C) ) ) ) ) ) ) ) ) ) 2450 MHz AntennaP/N 2450AT18B100 Detail Specification: 03/08/2016 Page 4 of 4 Would you like Johanson Technology's RF team to help you design and tune our antenna on your board? Click on the link below: Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. Ver.2.1 www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2016 Johanson Technology, Inc. All Rights Reserved www.johansontechnology.com/recommended-storage-conditions www.johansontechnology.com/tape-reel-packaging Soldering Information www.johansontechnology.com/typical-soldering-profile RoHS Compliance www.johansontechnology.com/rohs-compliance MSL Info "High Frequency Ceramic Solutions" Antenna layout review, tuning, and characterization services http://www.johansontechnology.com/ipc-antenna-services Packaging information www.johansontechnology.com/msl-rating.html Recommneded Storage Condition and Max Shelf Life ) ) ) ) ) ) ) ) )

FCC ID: 2A9QM-SPLUSHB2 Report No.: DRTFCC2303-0025 IC: 29821-SPLUSHB2 This test report is prohibited to copy or reissue in whole or in part without the approval of Dt&C Co., Ltd. TRF-RF-238(06)210316 Pages: 2 / 42 Test Report Version Test Report No. Date Description Revised by Reviewed by DRTFCC2303-0025 Mar, 15. 2023 Initial issue JaeHyeok Bang JaeJin Lee FCC ID: 2A9QM-SPLUSHB2 Report No.: DRTFCC2303-0025 IC: 29821-SPLUSHB2 This test report is prohibited to copy or reissue in whole or in part without the approval of Dt&C Co., Ltd. TRF-RF-238(06)210316 Pages: 3 / 42 Table of Contents 1. General Information .................................................................................... 4 1.1. Description of EUT .......................................................................................................... 4 1.2. Declaration by the applicant / manufacturer ................................................................ 4 1.3. Testing Laboratory .......................................................................................................... 5 1.4. Testing Environment ....................................................................................................... 5 1.5. Measurement Uncertainty............................................................................................... 5 1.6. Test Equipment List ........................................................................................................ 6 2. Test Methodology ........................................................................................ 7 2.1. EUT Configuration ........................................................................................................... 7 2.2. EUT Exercise .................................................................................................................... 7 2.3. General Test Procedures ................................................................................................ 7 2.4. Instrument Calibration .................................................................................................... 7 2.5. Description of Test Modes.............................................................................................. 7 3. Antenna Requirements ............................................................................... 8 4. Summary of Test Results ........................................................................... 9 5. Test Result ................................................................................................. 10 5.1. Maximum Peak Conducted Output Power .................................................................. 10 5.1.1. Test Setup .................................................................................................................. 10 5.1.2. Test Procedures ........................................................................................................ 10 5.1.3. Test Results ............................................................................................................... 10 5.2. 6 dB Bandwidth ............................................................................................................. 13 5.2.1. Test Setup .................................................................................................................. 13 5.2.2. Test Procedures ........................................................................................................ 13 5.2.3. Test Results ............................................................................................................... 13 5.3. Power Spectral Density ................................................................................................. 16 5.3.1. Test Setup .................................................................................................................. 16 5.3.2. Test Procedures ........................................................................................................ 16 5.3.3. Test Results ............................................................................................................... 16 5.4. Unwanted Emissions (Conducted) .............................................................................. 19 5.4.1. Test Setup .................................................................................................................. 19 5.4.2. Test Procedures ........................................................................................................ 19 5.4.3. Test Results ............................................................................................................... 20 5.5. Unwanted Emissions (Radiated) .................................................................................. 28 5.5.1. Test Setup .................................................................................................................. 30 5.5.2. Test Procedures ........................................................................................................ 30 5.5.3. Test Results ............................................................................................................... 31 5.6. AC Power-Line Conducted Emissions ........................................................................ 32 5.6.1. Test Setup .................................................................................................................. 32 5.6.2. Test Procedures ........................................................................................................ 32 5.6.3. Test Results ............................................................................................................... 32 5.7. Occupied Bandwidth ..................................................................................................... 35 5.7.1. Test Setup .................................................................................................................. 35 5.7.2. Test Procedures .......…

Text truncated - open the document above for the full version.

FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. Test Setup photographs EUT Position: X-axis EUT Position: Y-axis EUT Position: Z-axis FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. Test Setup Photo of Radiated Measurement (0.009 ~ 30MHz) FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. Test Setup Photo of Radiated Measurement (Below 1GHz) FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. Test Setup Photo of Radiated Measurement (Above 1GHz) FCC ID: 2A9QM-SPLUSHB2 IC: 29821-SPLUSHB2 Copyright Ⓒ 2023, Dt&C Co., Ltd. Test Setup Photo of AC Line Conducted Measurement