2A8MI-AH183hearClear

LMS Auracast(Broadcast) Auracast(Broadcast) mode Auracast(Broadcast) mode (Broadcast) mode 1 1 or or or or Classic LMS hearClear hearClear

Auracast(Broadcast) Auracast(Broadcast)Auracast(Broadcast) Auracast(Broadcast) Auracast(Broadcast) Auracast(Broadcast) or or or or N/AN/A N/A N/A N/A N/AN/A Bluetooth Classic Bluetooth Broadcast 音声プロンプト N/A LMS hearClear hearClear Type-C hearClear hearClear Auracast(Broadcast) Auracast(Broadcast) Auracast(Broadcast) Auracast(Broadcast)Auracast(Broadcast) Auracast(Broadcast) Auracast(Broadcast) N/A N/A N/A N/A N/A N/A N/A N/AN/A

JiangSuYisinTechCo.,Ltd (date)2023/11/22 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA RE:AttestationStatementsPart2.911(d)(5)(i)requestfor(FCCID:2A8MI-AH183) [JiangSuYisinTechCo.,Ltd](“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Sincerely, (Applicantsignature) (Applicantprintedname):XiangxuZhu JiangSuYisinTechCo.,Ltd (date)2023/11/20 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(ii)requestfor(FCCID:2A8MI-AH183) [JiangSuYisinTechCo.,Ltd](“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredListasanentityproducing “covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname):XiangxuZhu

C5266091_X23_Ed.1 1/1 USAGENTLETTEROFATTESTATION USAgent: CompanyName: BaihetianInnovativeSolutions ContactName:KennethYoung Address:6837ChaseRdDearborn,MI48126 TelephoneNo: :313-395-3113 FaxNo:/ Email: [email protected] FRN: 0033401605 TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 TheApplicantacknowledgetheacceptanceofitsobligationtomaintainanagentfor serviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthe granteehaspermanentlyterminatedallmarketingandimportationoftheapplicable equipmentwithintheU.S.,ortheconclusionofanyCommission-related administrativeorjudicialproceedinginvolvingtheequipment,whicheverislater Applicant Company name: This letter is to confirm that we have accepted the responsibility to act as US agent representative on behalf of the (Jiang SuYisin Tech Co.,Ltd)noted below for all future FCC certification/registrations obtained during the period of this agreement, which ends at the specified date below. As per US agent, we are aware of the requirements involved as outlined in FCC Equipment Authorization Program in their Report and Order FCC 22-84 and the clause § 2.911 Application requirements. Jiang SuYisin Tech Co.,Ltd 2A8MI Xiangxu Zhu Rm. 103, Bldg. 1, No. 10, Wenzhou Rd., ETDZ,Shuyang County, Suqian, Jiangsu, CN +86 13760257887 . USAgent’sName: KennethYoung Title: / Signatur Date:2023-11-22 Applicant’s Name:Xiangxu Zhu Title:/ Signaturee +86 13760257887 Granteecode: FCC ID:2A8MI-AH183 Contact Name: Address: TelephoneNo: FaxNo: Email: FRN:0032855884 [email protected]

DATE:2023/11/22 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 AuthoritytoActasAgent Onourbehalf,IappointBlueAsiaofTechnicalServices(Shenzhen)Co.,LtdAnd BuildingC,No.107,ShihuanRoad,ShiyanSub-District,BaoanDistrict,Shenzhen, GuangdongProvince,China(NameofAgentcompanynameandaddress)toactasour agentinthepreparationofthisapplicationforequipmentcertification.Icertifythat submitteddocumentsproperlydescribethedeviceorsystemforwhichequipment certificationissought.Ialsocertifythateachunitmanufactured,importedormarketed,as definedintheFederalCommunicationsCommission’sregulationswillhaveaffixedtoita labelidenticaltothatsubmittedforapprovalwiththisapplication. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonourbehalf,I acknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsforcertification, stillresideswithJiangSuYisinTechCo.,LtdRm.103,Bldg.1,No.10,WenzhouRd.,ETDZ,ShuyangCounty, Suqian,Jiangsu,CN(ApplicantNameandaddress) <Signature> <Signature> Name：XiangxuZhu Title：/ Company ：JiangSuYisinTechCo.,Ltd

DATE2023/11/20 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:_2A8MI-AH183__ ProductName:hearClear___ RequestforConfidentiality PursuanttoSections0.457and0.459ofthecommission’srules,weherebyrequestthat thefollowingdocumentsbeheldconfidential:  Schematics Blockdiagram Operationdescription Thesematerialscontaintradesecretsandproprietaryinformationandarenot customarilyreleasedtothepublic.Thepublicdisclosureofthisinformationmightbe harmfultothecompanyandprovideunjustifiedbenefitstoourcompetitors. <Signature> <Signature> Name：XiangxuZhu Title：/ Company：JiangSuYisinTechCo.,Ltd

ProductName: hearClear ModelNo.:AH183B、ACH01 FCCID: 2A8MI-AH183 AllabovemodelsareidenticalinthesamePCBlayout,interior structureandelectricalcircuits.Thedifferencesaremodel nameforcommercialpurpose. <Signature> Name：XiangxuZhu Title：/ Company：JiangSuYisinTechCo.,Ltd <Signature And the device have left and right earphones left and right earphones are electrically declaration identical. > Name：XiangxuZhu Title：/ Company：JiangSuYisinTechCo.,Ltd

ModelNo.: AH183B

Model Name: hearClear Bluetooth Version: 5.3 Earbuds: 3.7V/50mAh Charging Case: 3.7V/400mAh Made in China Model Name: hearClear Bluetooth Version: 5.3 Earbuds: 3.7V/50mAh Charging Case: 3.7V/400mAh Made in China 底壳logo 214-23038 8 FCC ID: 2A8MI-AH183 214-230388 label location at the bottom of the charging bay

ModelNo.: AH183B

RFExposureevaluation FCCID ： 2A8MI-AH183 Accordingto447498D04InterimGeneralRFExposureGuidancev01 Antgain=0.1dBi MaxOutputpower=0.327dBm@EDR@2480MHz ERP=0.327dBm+0.1dBi-2.15=-0.1723dBm So worsecase ： 10^0.0327=1.0782mW<2.72mW ComplywithRFexposureexemptionlimit.

ReportNo.:BLA-EMC-202309-A1803 Page 56 of 63 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] 20.6CONDUCTEDRFSPURIOUSEMISSION ConditionModeFrequency(MHz)AntennaMaxValue(dBc)Limit(dBc)Verdict NVNTBLE1M2402Ant1-43.36-30Pass NVNTBLE1M2442Ant1-42.39-30Pass NVNTBLE1M2480Ant1-42.98-30Pass Tx.SpuriousNVNTBLE1M2402MHzAnt1Ref Tx.SpuriousNVNTBLE1M2402MHzAnt1Emission ReportNo.:BLA-EMC-202309-A1803 Page 57 of 63 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] Tx.SpuriousNVNTBLE1M2442MHzAnt1Ref Tx.SpuriousNVNTBLE1M2442MHzAnt1Emission ReportNo.:BLA-EMC-202309-A1803 Page 58 of 63 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] Tx.SpuriousNVNTBLE1M2480MHzAnt1Ref Tx.SpuriousNVNTBLE1M2480MHzAnt1Emission ReportNo.:BLA-EMC-202309-A1803 Page 59 of 63 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] ReportNo.:BLA-EMC-202309-A1803 Page 60 of 63 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] APPENDIXA:PHOTOGRAPHSOFTESTSETUP ConductedEmissionsatACPowerLine(150kHz-30MHz) ReportNo.:BLA-EMC-202309-A1803 Page 61 of 63 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] RadiatedSpuriousEmissions ReportNo.:BLA-EMC-202309-A1803 Page 62 of 63 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] APPENDIXB:PHOTOGRAPHSOFEUT ReferencetothetestreportNo.BLA-EMC-202309-A1801 ReportNo.:BLA-EMC-202309-A1803 Page 63 of 63 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] ----ENDOFREPORT---- Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthis reportreferonlytothesample(s)tested.WithoutwrittenapprovalofBlueAsia,thisreportcan’tbe reproducedexceptinfull.

ModelNo.: AH183B ConductedEmissionsatACPowerLine(150kHz-30MHz) RadiatedSpuriousEmissions