YMX-EC7610A1Massage Chair

XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUPCO.,LTD. 2024.08.12 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA RE:AttestationStatementsPart2.911(d)(5)(i)requestfor(FCCID:YMX-EC7610A1) [XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUP CO.,LTD.](“theapplicant”)certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. Sincerely, CuiPengfei XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUPCO.,LTD. 2024.08.12 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA RE:AttestationStatementsPart2.911(d)(5)(ii)requestfor(FCCID:YMX-EC7610A1) [XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUP CO.,LTD.](“theapplicant”)certifiesthat,asofthedateofthefilingoftheapplication, theapplicantisnotidentifiedontheCoveredListasanentityproducing“covered” equipment. Sincerely, CuiPengfei

Attestation Statements (2024.8.7) TO:Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation StatementsPart 2.911(d)(7) request for(FCC ID:YMX‐EC7610A1) (XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO.,LTD.), the undersigned, hereby authorize( OGAWA USA INC. ) to act as our designated U.S. agent for service of process,( XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO.,LTD.)accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission‐related proceeding involving the equipment. ( OGAWA USA INC. )accepts the responsibility to act as designated U.S. agent for service of process, provides an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission‐related proceeding involving the equipment. Applicant Information： Company name:XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO.,LTD. Contact Name:Cui Pengfei Address:（5/F）NO.168, QIANPU ROAD,SIMING DISTRICT,XIAMEN,Fujian CHINA FRN: 0020057428 Telephone No:18059250350 Email:[email protected] U.S. Agent Information: Company Name:OGAWA USA INC. Address:861 S. Oak Park Road，Covina, CA 91724 FRN:0033437385 Contact Name:Jimmy Lo Telephone No:877‐977‐0656 Email:[email protected] Applicant Signature: Cui PengfeiAgent Signature: (if the agent is different from the applicant) Applicant printed name:Agent printed name:

EC7610ABlock diagram s Maincontrolboard 8MHz Movementcontrol 8MHz IPAD 12MHz BT 24 MHz Power Transformer AC-DC（24V） AC Input 2402-2480MHz Amplifierboard Movementcontrol2 8MHz Wireless charging （ 110K-205Khz ） TYPEC Charging

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,CZ-720 WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024.08.08 Name:CuiPengfei Title:SafetyEngineer Company:XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUPCO.,LTD.

XIAMENCOMFORTSCIENCE&TECHNOLOGYGROUPCO.,LTD. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024.08.08 Subject;RequestforConfidentiality FCCID:YMX-EC7610A1 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

Modeldifferenceletter 2024.08.08 OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA ThisisanewApplicationfromXIAMENCOMFORTSCIENCE&TECHNOLOGY GROUPCO.,LTD. ModelNo.: EC-7610A,OG8900/MasterDriveDuo,CZ-720 OnlythemodelEC-7610Awastested,sincetheelectricalcircuitdesign,layout, componentsusedandinternalwiringwereidenticalfortheabovemodels,Just themodelnameisdifferent. Thankyouforyourcooperation! Yourssincerely, Signatory: Sincerely, Signature: Name:CuiPengfei Title:safetyengineer

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-EC7610A1 On Behalf of XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD. Massage Chair Model No.: EC-7610A, OG8900/Master Drive Duo, CZ-720 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 : A2402103G1-C01-R01 Date of Receipt : April 23, 2024 Date of Test : April 23, 2024 ~July 18, 2024 Date of Report : July 18, 2024 Version Number : V0 Test Result : Pass Page 2 of 14 Report No.: A2402103G1-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 ................................................................................................................................ 11 Page 3 of 14 Report No.: A2402103G1-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, CZ-720 (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...... .......................: July 18, 2024 Page 4 of 14 Report No.: A2402103G1-C01-R01 Revision History Revision Issue Date Revisions Revised By V0 July 18, 2024 Initial released Issue Yannis Wen Page 5 of 14 Report No.: A2402103G1-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 14 Report No.: A2402103G1-C01-R01 2.EUT Description 2.1. Description of Device (EUT) EUT Name : Massage Chair Model No. : EC-7610A, OG8900/Master Drive Duo, CZ-720 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 : 110~205KHz 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 environmen…

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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.. ........................................... : MTEB24040124 -R YMX-EC7610A1 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 ..................................... : Apr. 11,2024 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, CZ-720 Modulation Type ............................... : ASK Operation Frequency ........................ : 110-205KHz Rating ............................................... : 110-120V~ 60Hz Hardware Version ............................ : 1.0 Software Version ............................ : 1.0 Result................................................ : PASS Report No.: MTEB24040124 -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, CZ-720 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.: MTEB24040124 -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 ...........................................................................................................…

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Product Specifications sheet Specification No.20240708001 Effective date2024/7/8 Customer Name:华联 Product Model线圈 Coil DZ Part No. TX-DZ5005.3010-K10-L70（double-slotting） Customer item No N32313000023 【 □ New issue , □ version revision】 【 This specification includes contents and 7 pages in total 】 【 RoHS Compliant Parts 】 organizeCheckApproval 钟建立Zhong Jian Li / 马湘平Ma Xiang Ping Guangdong Dingzhi electronic Technology Co., LTD Factory address: 1F, 1231 Yingbin Avenue, Longmen County, Huizhou City, Guangdong Province Tel: 13147097490 【Within 30 days after the customer receives this acknowledgement, please return it with your signature and seal. If it is overdue, it will be deemed that the production will be carried out according to the standards of this acknowledgement】. 【customer approval】 Date: Recognition status: □ full recognition □ conditional recognition □ refusal Approval Review Recheck Check remark: √√ Product Specifications sheet Customer Name:华联 Item No N32313000023 DZ Part No. TX-DZ5005.3010-K10-L70（double-slotting） Specification No. 20240708001 Issue/Revision History VersionEffective dateChange content / reasonApproval 012024/7/8 New specification releaseMa Xiang Ping organizecheckapproval 钟建立Zhong Jian Li / 马湘平Ma Xiang Ping Product Specifications sheet Customer Name:华联 Customer item No N32313000023 DZ Part No TX-DZ5005.3010-K10-L70（double-slotting） Specification No. 20240708001 version 01 ♦、外形尺寸 (unit: mm) A50.0 ±1.5 B46.0 ±2.0 C19.5 ±1.5 D 70.0 ±2.0 E10.0 Ref F3.0 ±2.0 G6.00 ±0.2 H2.60 ±0.5 (1)Wire diameter: 0.08 * 105p Silk-covered wire (2)Number of windings: 12TS (3)Whether the starting and ending lines cross: Yes (4)Coil wrapped with 8mm high temperature adhesive tape (5)The coil and magnetic sheet shall be pasted in the center (6)Disc back 49 round slot 3M glue ♦、Electrical characteristics:: (7)Stick 6*6*1.5 double-sided sponge tape on the front of the magnetic disc as shown parameterspecificationTest conditionsTest instrument L010±10%μH100KHz/1V■TH1816B Q>40 min100KHz/1V■TH1816B DCR<90mΩ@ 25°C■CH-502BC ♦、Temperature class: Operating temperature -40°C~ 125°C ♦、list of materials: Item Product Name Material specificationRemark 1 Magnetic sheet 50*5.3*1.0T double-slotting PC40 zinc 2Copper wire 0.08*105P Acetone silk covered wire 3 High temperature adhesive tape 8MM Eco-friendly adhesive tape 4 glue3M adhesive tape Eco-friendly adhesive paper 5 tin107H Environmentally friendly tin 6 glue黄胶yellow glue Eco-friendly glue organizecheckapproval 钟建立 Zhong Jian Li /马湘平Ma Xiang Ping 产 品 规 格 书 规格编号 20230106001 生效日期 2023/1/6 客户名称华联 产品类型线圈 顶智料号TX-DZ5005.3010-K10-L70开双槽 客户料号 N32313000023 【 □ 新版发行 , □ 版本修订】 【 本规范含目录共 7 页 】 【 RoHS Compliant Parts 】 编制审核批准 钟建立马湘平 东莞市顶智电子科技有限公司 工厂地址：东莞市塘厦镇新苑南路5号鑫博晟产业园A栋东面7楼 电话: 13147097490 本承认书在客户收到30天内，请务必签章返回，逾期视为生产时按此承认书的标准执 行。 【客户核准】 日期: 承认状态： □完全承认 □条件承认 □拒绝承认 批准审核复检检查 说明: √√ 产 品 规 格 书 客户名称华联客户料号 N32313000023 顶智料号TX-DZ5005.3010-K10-L70开双槽规格编号 20230106001 发行/修订记录 版本生效日期 变更内容/原因 核准 012023/1/6 新规格发行钟建立 编制审核批准 钟建立 0 马湘平 产 品 规 格 书 客户名称华联客户料号 N32313000023 顶智料号TX-DZ5005.3010-K10-L70开双槽规格编号 20230106001 版本 01 ♦、外形尺寸 (单位: mm) A50.0±1.5 B46.0±2.0 C19.5±1.5 D70.0±2.0 E10.0Ref F3.0±2.0 G6*6*1.0±2.0 H2.60±0.5 备注 (1)线径: 0.08*105P (2)绕线圈数:12TS (3)起尾线是否交叉: 是 (4)线圈包8mm宽高温胶带 (5)线圈与磁片需粘贴居中 (6)磁片背49圆白胶 ♦、电气特性: 磁片正面如图位置贴6*6*1.0双面海绵胶 参数规格测试条件测试仪器 L010±10%μH100KHz/1V■TH1816B Q>40 min100KHz/1V■TH1816B DCR<90mΩ@ 25°C■CH-502BC ♦、温度等级: 操作温度 -40°C~ 125°C ♦、材料清单: 序号品名材料规格供应商备注 1 磁片50*5.3*1.0T开双槽PC40猛锌磁材新原料 2 丝包线0.08*105P标准丙酮丝包线 3 高温胶带8MM环保胶 4 锡107H千岛环保锡 5 胶黄胶环保胶 6 胶 49圆白胶 环保胶 7 胶 6*6*1.0双面海绵胶 环保胶 编制审核批准 钟建立 0 马湘平