2BCEH-CMK323MASSAGE DEVICE

MASSAGE DEVICE, Models:CMK‐323User Manual Zhangzhou Easepal Electronics Co. ，Ltd.Page 1 of 26 MASSAGE DEVICE Model: CMK-323 User Manual (Version: V1. 0) MASSAGE DEVICE, Models:CMK‐323User Manual Zhangzhou Easepal Electronics Co. ，Ltd.Page 2 of 26 Table of Contents Foreword................................................................................................................................................... 4 1. Safety Guide.......................................................................................................................................... 4 1.1 Contraindications........................................................................................................................ 4 1.2 Warnings and Precautions.......................................................................................................... 4 2. Device Description.................................................................................................................................6 2.1 Intended Use / Indications for Use............................................................................................. 6 2.2 General Description.................................................................................................................... 7 2.3 Device Drawing............................................................................................................................7 2.4 Package Contents........................................................................................................................ 8 2.5 Specifications...............................................................................................................................9 3. Instructions of Use................................................................................................................................ 9 3.1 Preparation Before Use...............................................................................................................9 3.2 Operation for use...................................................................................................................... 10 3.3 Special Use Tips.........................................................................................................................14 4. Cleaning, Maintenance and Storage...................................................................................................15 5. Trouble Shooting................................................................................................................................. 15 6. Disposal............................................................................................................................................... 16 7. Warranty Conditions........................................................................................................................... 16 8. Label Symbols......................................................................................................................................18 9. Electromagnetic Compatibility............................................................................................................18 10. Contact Information..........................................................................................................................24 MASSAGE DEVICE, Models:CMK‐323User Manual Zhangzhou Easepal Electronics Co. ，Ltd.Page 3 of 26 FCC Statement: ............................................................................................................................25 This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co‐located or operating in conjunction with any otherantennaortransmitter................................................................................................... 26 MASSAGE DEVICE, Models:CMK‐323User Manual Zhangzhou Easepal Electronics Co. ，Ltd.Page 4 of 26 Foreword Thank you very much for your purchase of MASSAGE DEVICE (model:CMK‐323). Before using the device, please read the User’s manual carefully, so that you can operate it correctly for best results. The User’s manual should be kept for your future reference. 1. Safety Guide Please read the entire instructional manual before using the MASSAGE DEVICE. It will give you a better understanding of how the product works. If you are not sure which kind of medical conditions you are suffering from, you should preclude yourself from using this device, and consult your doctor. The MASSAGE DEVICE is intended to relieve muscle and joint pain, relieve arthritis, and provide heat. 1.1 Contraindications For the following patients, they should not use the device: Psychoses (e.g. Schizophrenia, bipolar disorder, endogenous depression) Personality disorders Epilepsy and similar seizure disorders Heart conditions Diseases of the central nervous system Thrombosis Endogenous depression ADHD (under-active) Recent heart attack or stroke Mental disability Addictions such as to drugs or alcohol or dependency on medication Regular intake of psychotropic drugs Pregnancy 1.2 Warnings and Precautions This device does not require any maintenance. Any possible repairs may only be carried out by authorized expert staff. Improper use and unauthorised repairs are not permitted for safety reasons and lead to loss of warranty. Never touch the power plug with wet hands. Please avoid contact of the device with water, high temperatures and direct sunlight. MASSAGE DEVICE, Models:CMK‐323User Manual Zhangzhou Easepal Electronics Co. ，Ltd.Page 5 of 26 To avoid the danger of short-circuits, disconnect the power cord when not used for long periods of time. Do not use any damaged cables, plugs or loose sockets. If plugs or cords are damaged, they must be replaced by the manufacturer, a service representative or by qualified personnel. In case of malfunction, disconnect immediately from the mains. Misuse o…

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(Zhangzhou Easepal Electronics Co.,Ltd.) (2023.08.17) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2BCEH‐CMK323) [Zhangzhou Easepal Electronics 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, (Applicant signature) (Applicant printed name) Shen Juxiang (Zhangzhou Easepal Electronics Co.,Ltd.) (2023.08.17) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2BCEH‐CMK323) [Zhangzhou Easepal Electronics 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, (Applicant signature) (Applicant printed name) Shen Juxiang

Zhangzhou Easepal Electronics Co.,Ltd. Agent Authorization Letter 2023-08-17 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen Most Technology Service Co., Ltd. to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Name: Shen Juxiang Position: engineer Company Name: Zhangzhou Easepal Electronics Co.,Ltd. Address: 2nd Floor,No. 6 building,Easepal Factoty. No.228 Jiaosong Road, Jiaomei Town,Zhangzhou,China Tel / Fax 18905963491 / N/A E-Mail: [email protected]

Zhangzhou Easepal Electronics Co.,Ltd. Long Term Confidentiality Request Letter 2023-08-17 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR (FCC ID: 2BCEH-CMK323) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - e.g. Block diagram - e.g. SCH - e.g. Operational Description required to be submitted with this application be permanently withheld from public review. The above documents are company proprietary information that could never get into the possession of your competition. Please contact me if there is any information you may need. Sincerely, Name: Shen Juxiang Position: engineer Company Name: Zhangzhou Easepal Electronics Co.,Ltd. Address: 2nd Floor,No. 6 building,Easepal Factoty. No.228 Jiaosong Road, Jiaomei Town,Zhangzhou,China Tel / Fax 18905963491 / N/A E-Mail: [email protected]

Model difference letter 2023.08.17 Dear MET Reviewer, This is a new Application fromZhangzhou Easepal Electronics Co.,Ltd. Model No.:CMK-323,Quattromed V Braintronics,Y60760 UseCMK-323for all tests . Only the model name is different, and the input voltage, product structure, emission module, PCB board, PCB layout, circuit principle and appearance are consistent. Thank you for your cooperation! Yours sincerely, Signatory: Name:Shen Juxiang Position:engineer Compan yName:Zhangzhou Easepal Electronics Co.,Ltd. Address:2nd Floor,No. 6 building,Easepal Factoty. No.228 Jiaosong Road, Jiaomei Town,Zhangzhou,China Tel / Fax18905963491 / N/A E-Mail:[email protected]

Model No.: Quattromed V Braintronics FRONT VIEW OF SAMPLE BACK VIEW OF SAMPLE Model No.: Quattromed V Braintronics LEFT VIEW OF SAMPLE RIGHT VIEW OF SAMPLE Model No.: Quattromed V Braintronics TOP VIEW OF SAMPLE BOTTOM VIEW OF SAMPLE Model No.: Quattromed V Braintronics Model No.: Quattromed V Braintronics

Label Size:50mm*40mm Label location

QUATTROMED V Product name: MASSAGE DEVICE Model no.: CMK-323 Voltage: DC 24V, 2,5A Rated power: 60 Watt Automatic runtime: 15 min Net weight: 10kg FCC ID: 2BCEH-CMK323 IC: 31137-CMK323 BT This device complies with Part 15 of the FCC Rules. Operation is subjet 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. MADE IN CHINA

Model No.: Quattromed V Braintronics Page 1 of 3 INTERNAL PHOTO OF SAMPLE INTERNAL PHOTO OF SAMPLE PCB Model No.: Quattromed V Braintronics Page 2 of 3 INTERNAL PHOTO OF SAMPLE PCB INTERNAL PHOTO OF SAMPLE PCB Model No.: Quattromed V Braintronics Page 3 of 3 INTERNAL PHOTO OF SAMPLE PCB INTERNAL PHOTO OF SAMPLE PCB BT Antenna

Shenzhen Most Technology Service Co., Ltd. No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. RF Exposure Evaluation Report Report Reference No. ..................... : FCC ID.. .......................................... : MTEB23070313-H 2BCEH-CMK323 Compiled by ( position+printed name+signature) .. : File administrators Alisa Luo Supervised by ( position+printed name+signature) .. : Test Engineer Sunny Deng Approved by ( position+printed name+signature) .. : Manager Yvette Zhou Date of issue ..................................... : Jul.28,2023 Representative Laboratory Name .: Shenzhen Most Technology Service Co., Ltd. Address ............................................ : No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. Applicant’s name ............................ : Zhangzhou Easepal Electronics Co.,Ltd. Address ............................................ : 2nd Floor,No. 6 building,Easepal Factoty. No.228 Jiaosong Road, Jiaomei Town, Zhangzhou.Taiwanese Investment Zone.Zhangzhou City,Fujian Province, 363107, P.R.China Test specification/ Standard ..........: 47 CFR Part 1.1307 47 CFR Part 2.1093 TRF Originator .................................. : Shenzhen Most Technology Service Co., Ltd. Shenzhen Most Technology Service Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Most Technology Service Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Most Technology Service Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : MASSAGE DEVICE Trade Mark ....................................... : CASADA Model/Type reference....................... : CMK-323 Listed Models .................................. : Quattromed V Braintronics,Y60760 Modulation Type ............................... : GFSK GFSK, π/4DQPSK, 8DPSK Operation Frequency ........................ : From 2402MHz to 2480MHz Hardware Version .............................. BT4.2 BLE Software Version ............................... V1.0 Rating ............................................... : DC 24V (by Adapter) Result................................................ : PASS Report No.: MTEB23070313-H Page 2 of 7 T E S T R E P O R T Equipment under Test : MASSAGE DEVICE Model /Type : CMK-323 Listed Models Quattromed V Braintronics,Y60760 Remark Only the model name is different, and the input voltage, product structure, emission module, PCB board, PCB layout, circuit principle and appearance are consistent. Applicant : Zhangzhou Easepal Electronics Co.,Ltd. Address : 2nd Floor,No. 6 building,Easepal Factoty. No.228 Jiaosong Road, Jiaomei Town, Zhangzhou.Taiwanese Investment Zone.Zhangzhou City,Fujian Province, 363107, P.R.China Manufacturer : Zhangzhou Easepal Electronics Co.,Ltd. Address : 2nd Floor,No. 6 building,Easepal Factoty. No.228 Jiaosong Road, Jiaomei Town, Zhangzhou.Taiwanese Investment Zone.Zhangzhou City,Fujian Province, 363107, P.R.China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: MTEB23070313-H Page 3 of 7 Report No.: MTEB23070313-H Page 4 of 7 1. Revision History Revision Issue Date Revisions Revised By 00 2023.07.28 Initial Issue Alisa Luo Report No.: MTEB23070313-H Page 5 of 7 2. SAR Evaluation 2.1 RF Exposure Compliance Requirement 2.1.1 Standard Requirement According to KDB447498D01 General RF Exposure Guidance v06 4.3.1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Exclusion Threshold condition, listed below, is satisfied. 2.1.2 Limits The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion Report No.: MTEB23070313-H Page 6 of 7 2.1.3 EUT RF Exposure Measurement Data BT classic GFSK Test channel Peak Output Power (dBm) Tune up tolerance (dBm) Maximum tune-up Power (dBm) Lowest(2402MHz) 2.945 2.945±1 3.945 Middle(2441MHz) 2.893 2.893±1 3.893 Highest(2480MHz) 2.502 2.502±1 3.502 π/4DQPSK Test channel Peak Output Power (dBm) Tune up tolerance (dBm) Maximum tune-up Power (dBm) Lowest(2402MHz) 3.119 3.119±1 4.119 Middle(2441MHz) 2.369 2.369±1 3.369 Highest(2480MHz) 1.884 1.884±1 2.884 8DPSK Test channel Peak Output Power (dBm) Tune up tolerance (dBm) Maximum tune-up Power (dBm) Lowest(2402MHz) 3.392 3.392±1 4.392 Middle(2441MHz) 2.446 2.446±1 3.446 Highest(2480MHz) 2.818 2.818±1 3.818 Worst case: 8DPSK Channel Maximum Peak Conducted Output Power (dBm) Maximum tune-up Power Calculated value Exclusion threshold SAR Test Exclusion (dBm) (mW) Highest(2402MHz) 3.392 4.392 2.75 0.85 3.0 Yes Report No.: MTEB23070313-H Page 7 of 7 BLE GFSK Test channel Peak Output Power (dBm) Tune up tolerance (dBm) Maximum tune-up Power (dBm) Lowest(2402MHz) 3.112 3.112±1 4.112 Middle(2440MHz) 2.970 2.970±1 3.97 Highest(2480MHz) 2.511 2.511±1 3.511 Worst case: GFSK Channel Maximum Peak Conducted Output Power (dBm) Maximum tune-up Power Calculated value Ex…

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RG‐BLE‐18 Antenna specification Antenna characteristics frequency range(MHz) 2400‐2500 polarization vertical Antenna type PCB Antenna Gain (dBi) 0 Impedance (ω) 50 Maximum input power (w) 5 voltage standing wave ratio ≤1.5 Figure1S11 Figure2Curve Figure3Gain

Shenzhen Most Technology Service Co., Ltd. No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. TEST REPORT FCC Rules Part 15.247 Report Reference No. ................. : FCC ID.. ...................................... : MTEB23070313-R1 2BCEH-CMK323 Compiled by ( position+printed name+signature): File administrators Alisa Luo Supervised by ( position+printed name+signature): Test Engineer Sunny Deng Approved by ( position+printed name+signature): Manager Yvette Zhou Date of issue................................. : Jul.28,2023 Representative Laboratory Name ..................................................... : Shenzhen Most Technology Service Co., Ltd. Address ........................................ : No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. Applicant’s name ..................... : Zhangzhou Easepal Electronics Co.,Ltd. Address ........................................ : 2nd Floor,No. 6 building,Easepal Factoty. No.228 Jiaosong Road, Jiaomei Town, Zhangzhou.Taiwanese Investment Zone.Zhangzhou City,Fujian Province, 363107, P.R.China Test specification/ Standard ....... : FCC Rules Part 15.247 TRF Originator .............................. : Shenzhen Most Technology Service Co., Ltd. Shenzhen Most Technology Service Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Most Technology Service Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Most Technology Service Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description .................. : MASSAGE DEVICE Trade Mark ....................................: CASADA Model/Type reference ....................: CMK-323 Listed Models ...............................: Quattromed V Braintronics,Y60760 Modulation Type ............................: GFSK, π/4DQPSK, 8DPSK Operation Frequency .....................: From 2402MHz to 2480MHz Hardware Version ........................... BT4.2 BLE Software Version ............................ V1.0 Rating ............................................: DC 24V (by Adapter) Result ............................................: PASS Report No.: MTEB23070313-R1 Page 2 of 59 T E S T R E P O R T Equipment under Test : MASSAGE DEVICE Model /Type : CMK-323 Listed Models Quattromed V Braintronics,Y60760 Remark Only the model name is different, and the input voltage, product structure, emission module, PCB board, PCB layout, circuit principle and appearance are consistent. Applicant : Zhangzhou Easepal Electronics Co.,Ltd. Address : 2nd Floor,No. 6 building,Easepal Factoty. No.228 Jiaosong Road, Jiaomei Town, Zhangzhou.Taiwanese Investment Zone.Zhangzhou City,Fujian Province, 363107, P.R.China Manufacturer : Zhangzhou Easepal Electronics Co.,Ltd. Address : 2nd Floor,No. 6 building,Easepal Factoty. No.228 Jiaosong Road, Jiaomei Town, Zhangzhou.Taiwanese Investment Zone.Zhangzhou City,Fujian Province, 363107, P.R.China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: MTEB23070313-R1 Page 3 of 59 Contents 1 REVISION HISTORY ................................................................ 4 2 TEST STANDARDS .................................................................. 5 3 SUMMARY ............................................................................. 6 3.1 General Remarks 6 3.2 Product Description 6 3.3 Equipment Under Test 6 3.4 Short description of the Equipment under Test (EUT) 6 3.5 EUT operation mode 7 3.6 Block Diagram of Test Setup 7 3.7 Test Item (Equipment Under Test) Description* 7 3.8 Auxiliary Equipment (AE) Description 7 3.9 Antenna Information* 7 3.10 Related Submittal(s) / Grant (s) 8 3.11 Modifications 8 3.12 EUT configuration 8 4 TEST ENVIRONMENT ............................................................... 9 4.1 Address of the test laboratory 9 4.2 Environmental conditions 9 4.3 Summary of measurement results 10 4.4 Statement of the measurement uncertainty 10 4.5 Equipments Used during the Test 11 5 TEST CONDITIONS AND RESULTS ............................................ 12 5.1 AC Power Conducted Emission 12 5.2 Radiated Emission 15 5.3 Band Edge Compliance of RF Emission 22 5.4 Maximum Peak Output Power 27 5.5 20dB Bandwidth 28 5.6 Frequency Separation 29 5.7 Number of hopping frequency 30 5.8 Time of Occupancy (Dwell Time) 31 5.9 Spurious RF Conducted Emission 32 5.10 Pseudorandom Frequency Hopping Sequence 33 5.11 Antenna Requirement 34 6 TEST SETUP PHOTOS OF THE EUT .......................................... 35 7 PHOTOS OF THE EUT ............................................................. 36 APPENDIX I.Conducted Peak Output Power 37 APPENDIX II.99% Bandwidth 38 APPENDIX III.20dB Bandwidth 40 APPENDIX IV.Carrier Frequencies Separation 42 APPENDIX V.Conducted Out Of Band Emission 44 APPENDIX VI.Duty Cycle 49 Report No.: MTEB23070313-R1 Page 4 of 59 APPENDIX VII.Dwell Time 54 APPENDIX VIII.Number Of Hopping Channel 58 1 Revision History Revision Issue Date Revisions Revised By 00 2023.07.28 Initial Issue Alisa Luo Report No.: MTEB23070313-R1 Page 5 of 59 2 TEST STANDARDS The tests were performed according to following standards: FCC Rules Part 15.247 : Frequency Hopping, Direct Spread Spectrum and Hybrid Systems that are in operation within the bands of 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz. ANSI C63.10-2013 : American National Standard for Testing Unlicensed Wireless Devices Report No.: MTEB23070313-R1 Page 6 of 59 3 SUMMARY 3.1 General Remarks Date of receipt of test sample : 2023.07.23 Testing commenced on : 2023.07.24 Testing concluded on : 2023.07.28 3.2 Product D…

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Model No.: Quattromed V Braintronics CE TEST SETUP RE TEST SETUP Model No.: Quattromed V Braintronics RE TEST SETUP