YMX-EC7610AMassage Chair

XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUPCO.,LTD. 2024.05.22 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA RE:AttestationStatementsPart2.911(d)(5)(i)requestfor(FCCID:YMX-EC7610A) [XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUP CO.,LTD.](“theapplicant”)certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. Sincerely, CuiPengfei ShenzhenRomossTechnologyCo.,Ltd. 2024.05.22 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA RE:AttestationStatementsPart2.911(d)(5)(ii)requestfor(FCCID:YMX-EC7610A) [XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUP CO.,LTD.](“theapplicant”)certifiesthat,asofthedateofthefilingoftheapplication, theapplicantisnotidentifiedontheCoveredListasanentityproducing“covered” equipment. Sincerely, CuiPengfei

AttestationStatements (2024.3.20) TO:FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046,USA RE:AttestationStatementsPart2.911(d)(7)requestfor(FCCID:YMX-EC7610A) (XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUPCO.,LTD.),theundersigned, herebyauthorize( OGAWAUSAINC. )toactasourdesignatedU.S.agentforservice ofprocess,(XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUPCO.,LTD.)acceptsto maintainanagentfornolessthanoneyearafterthegranteehasterminatedall marketingandimportationortheconclusionofanyCommission-relatedproceeding involvingtheequipment. (OGAWAUSAINC.)acceptstheresponsibilitytoactasdesignatedU.S.agentfor serviceofprocess,providesanagentfornolessthanoneyearafterthegranteehas terminatedallmarketingandimportationortheconclusionofanyCommission-related proceedinginvolvingtheequipment. ApplicantInformation： Companyname:XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUPCO.,LTD. ContactName:CuiPengfei Address:（5/F）NO.168,QIANPUROAD,SIMINGDISTRICT,XIAMEN,FujianCHINA FRN:0020057428 TelephoneNo:18059250350 Email:[email protected] U.S.AgentInformation: CompanyName:OGAWAUSAINC. Address:861S.OakParkRoad，Covina,CA91724 FRN:0033437385 ContactName:JimmyLo TelephoneNo:877-977-0656 Email:[email protected] ApplicantSignature:CuiPengfeiAgentSignature: (iftheagentisdifferentfromtheapplicant) Applicantprintedname:Agentprintedname:JimmyLo

XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUP CO.,LTD. AgentAuthorization Company:XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUPCO.,LTD. Address: (5/F)NO.168,QIANPUROAD,SIMINGDISTRICT,XIAMEN,FujianCHINA ProductName:MassageChair ModelNumber(s): EC-7610A,OG8900/MasterDriveDuo WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024.05.22 Name:CuiPengfei Title:SafetyEngineer Company:XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUPCO.,LTD.

XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUPCO.,LTD. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024.05.22 Subject;RequestforConfidentiality FCCID:YMX-EC7610A ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: 从 Name:CuiPengfei Title:SafetyEngineer

Model difference letter 2024.03.28 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA This is a new Application fromXIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO.,LTD. Model No.:EC-7610A,OG8900/Master Drive Duo Only the modelEC-7610Ahas been tested, and their circuit design, layout, components used and internal wiring are exactly the same, only the model name is different. ModelProduct nameBusiness name addressContact information EC-7610A Massage Chair XIAMEN COMFORT SCIENCE & TECHNOL OGY GROUP CO.,LTD. （5/F）NO.168, QIANPU ROAD,SIMING DISTRICT,XIAMEN ,Fujian CHINA Tel: 18059250350 E- Mail:cpf.cui@ease pal.com.cn OG8900/Mas ter Drive Duo Massage Chair OGAWA USA INC. 861 S. OAK PARK ROAD, COVINA,CA 91724 USA Tel: 18059250350 E- Mail:cpf.cui@ease pal.com.cn 1. Describe the non-RF boards, and circuitry differences. N/A 2. Describe the RF boards and circuitry differences. N/A 3. Describe the exterior casing and color differences. N/A 4. the reasons for obtaining multiple PMN(s)/HVIN(s)/FVIN(s). N/A 5. If multiple versions for marketing purposes, detail the marketing detail differences such as names of distribution chains, packaging information, labeling information etc... See the table above. 6. If multiple versions for future purposes, detail the future plans and why the products cannot be added to existing certification in the future. N/A 7. If the chosen PMN or HVIN are already on the market in other countries but the devices are not identical to this application, provide justification. N/A 8. Have any of these devices been previously delisted from REL for non-compliance or the application rejected by ISED/CB? N/A 9. There is no link between the manual provided and the HVIN's N/A being submitted. Product manuals for all HVIN's are required. If the user manual l list all HVIN'S, then only one manual is required. Thank you for your cooperation! Yours sincerely, Signatory:

ALPHA's reports is using a digital certificate that is trusted on Adobe's official server. If there is no digital certificate or the digital certificate shows damaged in your report. Please do not accept the report. E-mail: [email protected] Tel: 4008-3008-95 Website: http://www.a-lab.cn FCC TEST REPORT FCC ID: YMX-EC7610A On Behalf of XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD. Massage Chair Model No.: EC-7610A, OG8900/Master Drive Duo Prepared for : XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD. Address : (5/F)NO.168, QIANPU ROAD,SIMING DISTRICT,XIAMEN,Fujian CHINA Prepared By : Shenzhen Alpha Product Testing Co., Ltd. Address : Building i, No.2, Lixin Road, Fuyong Street, Bao'an District, 518103, Shenzhen, Guangdong, China Report Number : A2402103-C01-R01 Date of Receipt : March 4, 2024 Date of Test : March 4, 2024 – March 7, 2024 Date of Report : March 7, 2024 Version Number : V0 Test Result : Pass Page 2 of 19 Report No.: A2402103-C01-R01 TABLE OF CONTENTS Description Page 1. Test Result Summary ................................................................................................................................ 5 2. EUT Description ......................................................................................................................................... 6 2.1. Description of Device (EUT) ................................................................................................................ 6 2.2. Accessories of Device (EUT) .............................................................................................................. 7 2.3. Tested Supporting System Details ...................................................................................................... 7 2.4. Block Diagram of Connection between EUT and Simulators.............................................................. 7 2.5. Description of Test Modes................................................................................................................... 7 2.6. Test Conditions ................................................................................................................................... 7 2.7. Test Facility ......................................................................................................................................... 8 2.8. Measurement Uncertainty ................................................................................................................... 8 3. Test Results and Measurement Data ....................................................................................................... 9 3.1. RF Exposure Test ............................................................................................................................... 9 3.1.1. Test Specification ....................................................................................................................... 9 3.1.2. Test Instruments ....................................................................................................................... 10 3.1.3. Test data ................................................................................................................................... 10 4. Photos of test setup ................................................................................................................................ 12 Page 3 of 19 Report No.: A2402103-C01-R01 TEST REPORT DECLARATION Applicant : XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD. Address : (5/F)NO.168, QIANPU ROAD,SIMING DISTRICT,XIAMEN,Fujian CHINA Manufacturer : XIAMEN HEALTHCARE ELECTRONIC CO.,LTD. Address : 65-66#, 62-63# BUILDING, SIMING ZONE, TONGAN INDUSTRIAL DISTRICT, XIAMEN CITY, FUJIAN PROVINCE, P.R.CHINA EUT Description : Massage Chair (A) Model No. : EC-7610A, OG8900/Master Drive Duo (B) Trademark : N/A Measurement Standard Used: FCC CFR Title 47 Part 15 Subpart C FCC KDB 680106 D01 Wireless Transfer v04 The device described above is tested by Shenzhen Alpha Product Testing Co., Ltd. to determine the maximum emission levels emanating from the device and the severe levels of the device can endure and its performance criterion. The test results are contained in this test report and Shenzhen Alpha Product Testing Co., Ltd. is assumed full responsibility for the accuracy and completeness test. Also, this report shows that the EUT is technically compliant with the KDB 680106 D01 requirements. This report applies to above tested sample only. This report shall not be reproduced in parts without written approval of Shenzhen Alpha Product Testing Co., Ltd. Tested by (name + signature).............: Yannis Wen Project Engineer Approved by (name + signature).......: Jack Xu Project Manager Date of issue...... .......................: March 7, 2024 Page 4 of 19 Report No.: A2402103-C01-R01 Revision History Revision Issue Date Revisions Revised By V0 March 7, 2024 Initial released Issue Yannis Wen Page 5 of 19 Report No.: A2402103-C01-R01 1. Test Result Summary Requirement CFR 47 Section Result RF EXPOSURE §1.1307(b)(1) & KDB680106 PASS Note: 1. PASS: Test item meets the requirement. 2. Fail: Test item does not meet the requirement. 3. N/A: Test case does not apply to the test object. 4. The test result judgment is decided by the limit of test standard. Page 6 of 19 Report No.: A2402103-C01-R01 2. EUT Description 2.1. Description of Device (EUT) EUT Name : Massage Chair Model No. : EC-7610A, OG8900/Master Drive Duo DIFF : There is no difference except the name of the model. All tests are made with the EC-7610A model. Power supply : 110-120V~ 60Hz EUT information : Wireless Output: 5W Operation frequency : 110~146KHz Modulation : MSK Antenna Type : Coil Antenna, Maximum Gain is 0dBi (This value is supplied by applicant). Software version : V1.0 Hardware version : V1.0 Connector cable loss : Max. coaxial cable loss:0.5dB (Cable loss value is provided by applicant.) Intend use environment : Residential, commercial and l…

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Shenzhen Most Technology Service Co., Ltd. No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. TEST REPORT FCC PART 15.209 Report Reference No. ..................... : FCC ID.. ........................................... : MTEB24030221-R YMX-EC7610A 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 ..................................... : March 22,2024 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 ............................ : XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD. Address ............................................ : (5/F)NO.168, QIANPU ROAD,SIMING DISTRICT,XIAMEN, Fujian CHINA Test specification/ Standard ..........: FCC Rules and Regulations Part 15 Subpart C (Section 15.209), ANSI C63.10: 2013 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 Chair Trade Mark ....................................... : N/A Model/Type reference....................... : EC-7610A Listed Models .................................. : OG8900/Master Drive Duo Modulation Type ............................... : ASK Operation Frequency ........................ : 110-146KHz Rating ............................................... : 110-120V~ 50-60Hz Hardware Version ............................ : 1.0 Software Version ............................ : 1.0 Result................................................ : PASS Report No.: MTEB24030221 -R Page 2 of 22 T E S T R E P O R T Equipment under Test : Massage Chair Model /Type : EC-7610A Listed Models : OG8900/Master Drive Duo Remark It's just a different model. Everything else is the same Applicant : XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD. Address : (5/F)NO.168, QIANPU ROAD,SIMING DISTRICT,XIAMEN,Fujian CHINA Manufacturer : XIAMEN HEALTHCARE ELECTRONIC CO.,LTD. Address : 65-66#, 62-63# BUILDING, SIMING ZONE, TONGAN INDUSTRIAL DISTRICT, XIAMEN CITY, FUJIAN PROVINCE, 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.: MTEB24030221 -R Page 3 of 22 Contents 1. R E V I S I O N H I S T O R Y ..................................................................... 4 2. T E S T S T A N D A R D S ....................................................................... 5 3. S U M M A R Y .................................................................................. 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 ................................................................................................................................... 6 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. EUT configuration ..................................................................................................................................... 7 3.11. Modifications ............................................................................................................................................. 7 4 . T E S T E N V I R O N M E N T ................................................................... 8 4.1. Address of the test laboratory ................................................................................................................... 8 4.2. Environmental conditions .......................................................................................................................... 8 4.3. Test Description .......................................................................................................................................... 9 4.4. Statement of the measurement uncertainty ............................................................................................. 9 4.5. Equipments Used during the Test ........................................................................................................... 10 5. T E S T…

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0.08x105P 东莞市雷宝电子有限公司 DongguanLeibaoElectronicCo.,Ltd Add:Floor3,HongliIndustrialBuilding,No.188,KejiEastRoad,ShijieTown, DongguanCity Website:http://www.zycoil.com.cn NO: ZY6103- 1006 EDITION: A/0 PAGE: 1/1 客户编号 CustomerNo ZY6103 线材 wirerod 样品使用线材： Usewire: 使用机台 Useequipment 单轴机 Uniaxial 客户品名 NAME PW3665DL 规格 TP 20.5x0.08x105Px10TS+G50(magnet)磁片 (Leader)引线65+(Adhesive)背胶 绕线方向 Winding direction CCW 1、Specificationrequirements：( unit mm) PROJECT Numberof turns inducta nce resistan ce internal diameter external diameter Lead length Solder length Coilthic kness Module thickness Standard value 10TS 6.3uH38mΩ 20.54365 2~5 1.32.88 tolerance fixed±10%±20%±0.5±1±2/ MAXMAX 2、Drawingdescription：(unitmm) 3、BOM物料清单 MaterialnameSpecification/model Company dosagesupplier Note wirerod0.08x105P g6.3±0.3 glueStrongadhesivemL 0.5 HTtape Width8.0mmtan mm 38 Magnetisolator PR49.5x5.3x1.0(externaldiameter50 +0/-1, thickness1.0±0.1) PCS 1 twosidesglue D48.5x0.08mm,Removable PCS 1 Edition Changecontent RevDate Note 4、Insulationclass Specifications insulation Heatresistancethermalrating BasicinsulationPolyamide,polyester 105°C A 确认栏/Approval MADE ENGINEERING field quality create trade approval Customer Approval 杨颖 FormNo：ZYQSPE007(06)