2AUG3-HAM2192Hair Alpha-Ray

Hair Alpha Ray User Guide CELL RETURN Product Specification Model (PREMIUM) HA-M2192 / (STANDARD) HA-M2142 LED number (PREMIUM) Near-infrared rays (NIR) 240 720 total ⍺ near-infrared rays 240 Red wavelengths 240 LED number (STANDARD) Near-infrared rays (NIR) 150 450 total ⍺ near-infrared rays 150 Red wavelengths 150 Size ⍺-RAY W264 x H190 x T196 (mm) Cradle W261 x H190 x T196 (mm) Capacity (HAIR ⍺-RAY) 663g / (Cradle) 404g Internal battery Lithium polymer 3.7V 2000mA Input power supply 5V ⍺ 2A (DC jack type) Bluetooth version 4.0 BLE HAIR ⍺- Mood & indicate light Cradle charging port (basic charging method) Wireless charging Cradle ON/OFF selection (mode selection) Status LED (Power and charging status) Mood light ON/OFF touch Package HAIR ⍺-RAY Wireless charging Cradle Product catalog / Manual Cleaner towel Warranty card Charger + C- type adapter Hair cushion Special Features CELLRETURN LED effects: Delivers optimum energy with compound NIR⍺ / NIR / RED effects Customizable fitting wing Through long-term research and clinical testing, CELLRETURN has achieved an independent LED module patent for the generation and enhancement of the wavelengths most effective for the skin. CELLRETURN’s use of the finest LED allows safe and close delivery of effective wavelengths deep into the skin. Instant sizing with automatic fitting when placed on the head, with no control buttons or other complications. Like new every day Clean product management with automatic 10-minute UV lamp lighting after starting wireless charging. How to use Thoroughly wash scalp with cleanser. Fully dry scalp and apply a moderate amount of Hair Serum to scalp. Select a suitable mode from Power / Normal / Soft, and leave on for 5- 20 minutes. Rest to let the Hair Serum fully absorb. Smart Care Use the official app to check on long-awaited changes! You can use the official CELLRETURN app to check regular usage as well as the improvement process. The app also offers smart management with records of time, date, and states of change. Check usage time Accurately check dates and times Photo gallery Records of daily changes Remote control Bluetooth Smart product care through Bluetooth connection Events Product registration and accumulation of points according to usage time App installation and Device Linking Method App Installation and Login 1. Search for the CELLRETURN app on the Play Store (Android) or App Store (iPhone) and download. tip! First-time use of the app will require signup. 2. Sign up by entering new membership information and confirming via e-mail. tip! You must confirm by e-mail to register. Product Registration 3. Device Registration Press the + button on the bottom right of the app to register the device. tip! Check the product serial number (indicated on the product box) or the warranty card (inside the enclosed envelope) beforehand 4. Serial No. / barcode registration Register the serial number on the warranty card or scan the barcode to register the product. Device Connection 5. Press the connection button under “My Device” to connect the device. tip! When connecting for the first time, connect with the device turned on. Problem solution Check before reporting a problem For these problems Take the following measures The product is not working properly. · Check whether the power button was turned on properly. · Charge the device according to the manual. · When charging the device, check whether the battery light on the device is on. The power won’t turn on. · The battery is discharged. ▶ Charge the battery. · Connect the charger adapter to the power supply device. · Check whether the charger is working. · Check that the voltage indicated on the device corresponds to the local voltage. · Plug the charger into the mask and check whether the power turns on. It’s overheating. · Heat is generated while the device is charging, and the device cools down once it is sufficiently charged. · The heat is natural, and is generated from use of the control board. The light won’t turn on when charging. · Check to see if the HAIR α RAY is properly set on the stand. · Check for discharge. Specific wavelengths seem weak. · If specific wavelengths seem weak, charge the device and check again. Product warranty ⍺-RAY Free product warranty period with purchase 12 months Product warranty period Battery warranty period * Full product repair requires a warranty card with the purchase date. Be sure to keep the warranty card, as full product repair will require a warranty card with the purchase date.
Free product warranty will be provided according to the contents described on the warranty
The free product warranty period is determined from the date of purchase, so indicate the purchase date for your product warranty. (In the event that the purchase date cannot be verified, a free product warranty period will be applied from the date of manufacture or three months after the date of import clearance.)
in the event that a home device is used for business purposes or used in unusual environments, the free warranty period will be reduced by 50%.
Warranty will not be reissued.
In the event of a supply date based on a separate contract, the contents of the warranty will be applied according to the main contract. Precautions for use Safety precautions Precautions are categorized under “warning” and “caution”, and are as follows. The purpose of these symbols is to bring attention to issues and operations that can result in danger. Carefully read the marked symbols and follow the directions to prevent risks. Warning: Failure to follow indicated warnings may result in severe injuries or death. Caution: Failure to follow indicated cautions may result in minor injuries or product damage. After reading the manual, store in a place accessible by device users. Warnings and precautions for adapter use Caution
Stop using if smoke or strange smells come from the device. - Immediately turn off the device, remove the charger adapter, and contact the…

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Cellreturn Co., Ltd. 237, Namdongseo-ro, Namdong-gu, Inchon, Republic of Korea Tel: +82-1688-1026 / Fax: +82-32-714-3895 Date: December 30, 2019 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 c.c. TIMCO ENGINEERING Inc. 849 N.W. State Road 45 P.O. Box 370 Newberry, Florida 32669 To whom it may concern: I, the undersigned, hereby authorize Hyeon-Su, Jang of KES Co., Ltd. and hereafter referred to as KES Co., Ltd., to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by Hyeon-Su, Jang of KES Co., Ltd. on our behalf shall have the same effect as acts of our own. 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). In authorizing KES Co., Ltd. as our agent, we still recognize that we are responsible to: a) comply with the relevant provisions of the certification program; b) make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; e) upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; f) use certification only to indicate the products are certified as being in conformity with specified standards; Cellreturn Co., Ltd. 237, Namdongseo-ro, Namdong-gu, Inchon, Republic of Korea Tel: +82-1688-1026 / Fax: +82-32-714-3895 g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner; h) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division; i) keep a record of all complaints made known to the us relating to the product’s compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested; j) take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification; k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours, Daesung Kim / Manager Cellreturn Co., Ltd. REMARK: 1. This authorization letter will be sent along with your application when filing with the Certification Division. 2. Please follow the format and type it on company letterhead and send original to us. 3. Authorized signature must be in agreement with grantee code contact in FCC database.

Cellreturn Co., Ltd. 237, Namdongseo-ro, Namdong-gu, Inchon, Republic of Korea Tel: +82-1688-1026 / Fax: +82-32-714-3895 Date: December 30, 2019 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2AUG3-HAM2192 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: PERMANENT Exhibit Type File Name Part List HA-M2192_Part List.pdf Schematics Diagram(s) HA-M2192_Schematics.pdf Operation description HA-M2192_Operation description.pdf Block diagram HA-M2192_Block diagram.pdf And 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. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Daesung Kim / Manager Cellreturn Co., Ltd.

Model No.: HA-M2192 Page 1 of 2 External photos Model No.: HA-M2192 Page 2 of 2 External photos BLANK BLANK BLANK BLANK BLANK

Model No.: HA-M2192 Page 1 of 1 Label photo

Model No.: HA-M2192 Page 1 of 2 Internal photos Model No.: HA-M2192 Page 2 of 2 Internal photos Blank Blank Blank

FCC ID: 2AUG3-HAM2192 Page 1 of 1 RF exposure According to 447498 D01 General RF Exposure Guidance v06 The 1-g and 10-g SAR test exclusion thresholds for 100 ㎒ to 6 ㎓ at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(㎓)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, Where; f(㎓) is the RF channel transmit frequency in ㎓ Power and distance are rounded to the nearest ㎽ and mm before calculation The result is rounded to one decimal place for comparison Results Bluetooth LE 1 Mbps Frequency ( ㎓ ) Distance (mm) Max Average tune-up power ( ㏈ m) Calculation value Exclusion Threshold ( ㏈ m) ( ㎽ ) 2.402 ~ 2.480 5 -2.50 0.56 0.18 ≤3.0

KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Report No.: KES-RF-20T0019 Page ( 2 ) of ( 32 ) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The results shown in this test report refer only to the sample(s) tested unless otherwise stated. The authenticity of the test report, contact [email protected] KES-QP-7081-06 Rev. 7 KES A4 Revision history Revision Date of issue Test report No. Description - 2020.01.30 KES-RF-20T0019 Initial KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Report No.: KES-RF-20T0019 Page ( 3 ) of ( 32 ) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The results shown in this test report refer only to the sample(s) tested unless otherwise stated. The authenticity of the test report, contact [email protected] KES-QP-7081-06 Rev. 7 KES A4 TABLE OF CONTENTS 1. General information ................................................................................................................................................... 4 1.1. EUT description ........................................................................................................................................ 4 1.2. Test configuration ...................................................................................................................................... 4 1.3. Device modifications ................................................................................................................................. 5 1.4. Accessory information............................................................................................................................... 5 1.5. Measurement results explanation example ................................................................................................ 5 1.6. Measurement Uncertainty ......................................................................................................................... 5 1.7. Frequency/channel operations ................................................................................................................... 5 2. Summary of tests ........................................................................................................................................................ 6 3. Test results .................................................................................................................................................................. 7 3.1. 6 ㏈ bandwidth ........................................................................................................................................ 7 3.2. Output power ............................................................................................................................................. 9 3.3. Power spectral density ............................................................................................................................. 11 3.4. Radiated restricted band and emissions ................................................................................................... 13 3.5. Conducted spurious emissions & band edge ........................................................................................... 27 3.6. AC conducted emissions ......................................................................................................................... 29 Appendix A. Measurement equipment ......................................................................................................................... 31 Appendix B. Test setup photos ..................................................................................................................................... 32 KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Report No.: KES-RF-20T0019 Page ( 4 ) of ( 32 ) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The results shown in this test report refer only to the sample(s) tested unless otherwise stated. The authenticity of the test report, contact [email protected] KES-QP-7081-06 Rev. 7 KES A4 1. General information Applicant: Cellreturn Co., Ltd. Applicant address: 237, Namdongseo-ro, Namdong-gu, Inchon, Republic of Korea Test site: KES Co., Ltd. Test site address: 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea 473-21, Gayeo-ro, Yeoju-si, Gyeonggi-do, Korea Test Facility FCC Accreditation Designation No.: KR0100, Registration No.: 444148 FCC rule part(s): 15.247 FCC ID: 2AUG3-HAM2192 Test device serial No.: Production Pre-production Engineering 1.1. EUT description Equipment under test Hair α-RAY Frequency range 2 402 ㎒ ~ 2 480 ㎒ (BLE) Model: HA-M2192 Modulation technique GFSK Number of channels 2 402 ㎒ ~ 2 480 ㎒ (BLE) : 40ch Antenna specification Antenna type : PCB Antenna // Peak gain: -0.84 ㏈i Power source DC 3.7 V (Battery) S/W version 1.0.6 H/W version Rev. 1.1 1.2. Test configuration The Cellreturn Co., Ltd. // Hair α -RAY // FCC ID: 2AUG3-HAM2192 was tested according to the specification of EUT, the EUT must comply with following standards and KDB documents. FCC Part 15.247 KDB 558074 D01 v05 r02 ANSI C63.10-2013 KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Report No.: KES-RF-20T0019 Page ( 5 ) of ( 32 ) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The results shown in this test report refer only to the sample(s) tested unless otherwise stated. The authenticity of the test report, contact [email protected] KES-QP…

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KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Report No.: KES-RF-20T0019 Page ( 32 ) of ( 32 ) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The results shown in this test report refer only to the sample(s) tested unless otherwise stated. The authenticity of the test report, contact [email protected] KES-QP-7081-06 Rev. 7 KES A4 Appendix B. Test setup photos The end of test report. Radiated Blank AC conducted