2BAS2-E31Smart Watch

HOTOEMInformationTechnologyCompanyLimited FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:May30,2024 FCCID:2BAS2-E31 Ref.#1:AttestationStatementsPart2.911(d)(5)(i)Filing HOTOEMInformationTechnologyCompanyLimitedcertifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. Ref.#2:AttestationStatementsPart2.911(d)(5)(ii)Filing HOTOEMInformationTechnologyCompanyLimited certifiesthat,asofthedateofthe filingoftheapplication,theapplicantisnotidentifiedontheCoveredListasan entityproducing“covered”equipment. Applicant:HOTOEMInformationTechnologyCompanyLimited Address:Flat1908,19/F,HarbourCenter,25HarbourRoad,WanChai,HongKong ContactPerson:JerryZhang Tel.:86-13316208407 Email:[email protected] Sincerely, Signature:

HOTOEMInformationTechnologyCompanyLimited U.S.AgentDesignationforServiceofProcess (ApplicantandU.S.AgentareSeparateParties) TO:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 ATTENTION:FCCCertification–Section2.911(d)(7)Information DesignatedU.S.Agent CompanyName:LETSFIT,LLC FRN:0033676685 ContactName:EliezerRivera StreetAddress:720InternationalParkway City/Province/Zip:SunriseFL33325 TelephoneNo:(754)300-2657 Email:[email protected] Thisletteristoconfirmthatwe(“theDesignatedU.S.Agent)haveacceptedtheresponsibilitytoactasthe DesignatedU.S.AgentforServiceofProcessasrequiredbysection47CFR2.911(d)(7)onbehalfofthe Applicantnotedbelow. U.S.AgentSignature: Date: May 24, 2024 Signed by (Printed Name/Title): Eli Rivera / CEO TheApplicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S.Agent information above changes. Applicant Company name: HOTOEM Information Technology Company Limited Grantee Code: 2BAS2 FCC ID: 2BAS2-E31 Contact Name: Jerry Zhang StreetAddress: Flat 1908,19/F,Harbour Center,25 Harbour Road,Wan Chai,Hong Kong City/Province/Zip: Hong Kong Telephone No: 86-13316208407 Email: [email protected] Applicant Signature: Date: May 24, 2024 Signed by (Printed Name/Title): Jerry Zhang / Manager

重庆舟海智能科技股份有限公司 Chongqing Zhouhai Intelligent Technology Co., Ltd 样品承认书 舟海料号 Zhouhai part number 012.010024-00 供应商名称 SUPPLIER 深圳市凯普深通讯科技有限公司 Shenzhen Kaipushen Communication Technology Co., Ltd 物料名称 Name 蓝牙导线 Bluetooth wire 版 本 Version 送样日期： Sample delivery date： 型号规格 Model specificati ons 0.6*24MM 认定原因 Reason for identificatio n 首次封样First sample sealing 升级改善 Upgrade and improve 提 供 材 料 Provide Materials ■ 1.标准样品实物 Standard sample physical object ■ 2.产品图纸及规格书 Product drawings and specifications ■ 3.全尺寸测量结果报告 （全尺寸报告、 FAI报告、关键尺寸CPK（依不同模号、 穴号测量）Full size measurement result report(Full size report FAI report, critical dimension CPK (measured according to different mold and hole numbers) ■ 4.QC工程图、检验SIP QC engineering drawings, inspection SIP ■ 5.RoHS符合性保证书及第三方测试报告 RoHS conformity assurance certificate and third-party testing report ■ 6.物料材质证明、材料成分表 Material certification and material composition table ■ 7.产品或物料可靠性、电性能测试报告 Product or material reliability and electrical performance test report ■ 8.产品或物料出货包装规范 Product or material shipping packaging specifications 供应商会签 Supplier signature 制定 formulate 工程 engineering 品质 qualit y 项目 project 批准 ratify 盖章 Stamp 客户会签 Customer signature 认定项 Identification items 检验结果及意见 Inspection results and opinions 批准意见 Approval opinions 临时样品Temporary samples:□ 限量使用(数量)Limited usage (quantity)_________ □ 不予采用 Not to be adopted 正式样品Formal sample:□ 批量使用Batch use □ 限量使用(数 量)Limited usage (quantity)_________ □ 不予采用Not to be adopted 限量或不予使用理由Reasons for limited or no use: 职 能 部 门 会 签 研发工程师 R & D Engineer 签字sign: 产品经理 Product Manager 签字sign: 品质工程师 QUALITY ENGINEER 签字sign: 项目经理 project manager 签字sign: 样品分发 部门Sample distribution 一式三份triplicate：□公司存档Company Archive □供应商 supplier □IQC/品质部IQC/Quality Depa 备注notes 目 录 Table of contents 1、封面Cover 2、目录Contents 3、 ICD 图ICD Drawing 4、全尺寸测量报告Full dimensional measurement report 5、QC工程图Qc Engineering drawing 6、盐雾测试报告Salt spray test report 7、包装方式Package 3.ICD图纸 ICD Drawing Manufacturer Information 深圳市凯普深通讯科技有限公司 Shenzhen Kaipushen Communication Technology Co., Ltd 深圳市华观440号工业公二 2nd Floor, Yulong Office Building, Longcheng Industrial Zone, No. 440 Longguan Avenue, Dalang Street, Longhua District, Shenzhen Passive parameter 全尺寸测量报告 Full dimensional measurement report 客户 Customer 舟海Zhouhai 项目名称 Item name 蓝牙天线 Bluetooth antenna 规 格 Specifications 黑色 black 材料 Material 供应商 Supplier 凯普深 测量工具 Measure tools 二次元 Quadratic 测量单位 Measure unit mm 测量日期 Measure date 2023/12/28 NO. 尺寸 （DIMENSION） 上 限 + TOL.- TOL. 下 限 实测 1实测 2实测 3实测 4实测 5实测 6实测 7UPPER≦100%LOWER≦100% 1 25.00 27.00 2.00 2.00 23.0025.40 24.60 24.80 24.90 25.20 25.30 25.20 20%20% 2 0.60 0.65 0.05 0.05 0.550.58 0.61 0.59 0.59 0.61 0.58 0.58 20%40% 3 4 5 6 7 8 9 10 11 12 13 14 15 tabulation:陈健 Jian Chen To examine审核：XingTuoWU巫星拖 深圳市凯普深通讯科技有限公司 QCschedule drawing file numberKPS--QPA-QA004 Enactment Date Shenzhen cape deep communication technology co., LTD file versionA/01Pagepage 1 technological process Control focus management responsibility methodInspection methodcorrective action Order Number Main Proces s project name aControl ProjectRegulatory standards person liable Normal sampling number person in charge Inspectio n method Examines the tool Record typeSolution begin 1 Receivi ng quantity/product name/specifications 《Engineering BOM》 《Material receiving operation instruction》 Material clerk 《Electronic account》 Contact the supplier and issue 《 returning note》 2 Incomin g inspect ion specifications/model/ pack 《Engineering BOM》 《Sampling inspection plan 》 《IQC incoming material inspection instruction》 IQC MA=0.25 MI=0.65 IQC 1.visual 2.Machine test 3.sample Two dimensional vernier caliper 《IQC incoming inspection record 》 Inspection: OK, stamped with pass seal，The inspection ng shall be labeled as nonconforming product and issued at the same time《8D Report Problem Solving Report 》，Notify the supplier of return and improve 。 3 materia l quantity/product name/specifications 《 production instruction》 《Material receiving operation instruction》 Material clerk 《Material requisition and distribution registration form 4pack pack quantity/indicate 《Finished product packaging operation instruction 》 packager 5 Deliver y inspect ion product appearance bad record Dimensional test Bad sign Good product packaging ROHS compliance 《Engineering BOM》 《Sampling inspection plan 》 《OQCFinal inspection operation instruction 》 OQC MA=0.25 MI=0.65 OQC 1.visual 2.Machine test 3. sample Two dimensiona l vernier caliper 《OQC finished product inspection record 》 If the number of times of the same type of the same type missing in the daily inspection is greate，OQC issues the 8D report problem solving report to the production manager for analysis and improve 6 deliver y product namespecification quantity delivery note 《Finished product shipping operation instruction 》 Material clerk 《Electronic account》 finish charac ter Revision dateRevised content Revised ; Revised Acknowl edged by Fiction auditin g approv al ① ② datedate date ③ 盐雾测试报告 Salt spray test report 日期Date：2023 年 12月 28日 product name 蓝牙天线 Bluetooth antenna 客户名称 Customer 舟海 供应商Supplier 深圳市凯普深通讯科技有限公司 Shenzhen Kaipushen Communication Technology Co., Ltd 国家测试标准 National Test standard GB/T 2423.2-2008 试样情况 Sample situation 试样数量Sample qty：5PCS 导线wire 试验起止时间 Test start and end time 2023年12月28日 9时 00 分至 2023 年12月29日 9时 00 分 共计 24 H (Total 24H） 试验类型： Test type ■ NSS□ ASS□ CASS 试验条件 Test condition 盐溶液Salt solution：5% PH:7.0 箱内温度Chamber temp：35°C 相对湿度Relative humidity：85% 喷雾方式Spray way： ■ 连续Continuous □ 间歇intermittent 压缩空气压力Compressed air pressure：1kg/cm² 盐雾沉降率Salt spray sedimentation rate： 1-2ml/80cm2/h 雾液收集Fog fluid collection：1.4ml/80cm2/h 试验周期Test cycle：__1__个循环cycle 喷雾时间Spray time： 24h 试验结果 Test results 试验后的外观：外观完整无损，无明显变化。 Appearance after test:appearance intact, without obvious change 镀层：无剥落、无锈蚀 Coating: no spalling, no rust 表面喷涂、丝印：无脱落、无气泡。. Surface spraying, silk screen: no falling off, no bubbles. 说明Explanation： 1、盐雾试验作业标准依照中华人民共和国国家标准GB/T2423.17-2008执行 1、 S…

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HOTOEMInformationTechnologyCompany Limited Flat1908,19/F,HarbourCenter,25HarbourRoad,WanChai,HongKong Date：May29,2024 ProductModelNumber:E31 FCCID：2BAS2-E31 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatHOTOEMInformationTechnologyCompanyLimitedis allowedtoforwardallinformationrelatedtotheapprovalprojecttotheapplied certificationbodyandtothenotificationentitiesandtodiscussanyissues concerningtheapprovalapplication.AnyandallactscarriedoutbyHOTOEM InformationTechnologyCompanyLimitedonourbehalfshallhavethe sameeffectasactsofourown. By: ContactListedonFCCWesbite Title:Manager Email:[email protected] Telephone:86-13316208407 Onbehalfof:HOTOEMInformationTechnologyCompanyLimited

HOTOEMInformationTechnologyCompanyLimited OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:May29,2024 Subject;RequestforConfidentiality FCCID:2BAS2-E31 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure SoftwareSecurityRequirementsforUNIIdevices 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: Name:JerryZhang Title:Manager

FCCID:2BAS2-E31Page 1 of 5 ReportNo.:CTL2405071031-WF ExternalPhotosofEUT FCCID:2BAS2-E31Page 2 of 5 ReportNo.:CTL2405071031-WF FCCID:2BAS2-E31Page 3 of 5 ReportNo.:CTL2405071031-WF FCCID:2BAS2-E31Page 4 of 5 ReportNo.:CTL2405071031-WF FCCID:2BAS2-E31Page 5 of 5 ReportNo.:CTL2405071031-WF

FCCID:2BAS2-E31Page 1 of 1 ReportNo.:CTL2405071031-WF FCCIDLabelInformation Labellocation: Size:20mm*15mm Smartwatch Model:E31 FCCID:2BAS2-E31

FCCID:2BAS2-E31Page 1 of 3 ReportNo.:CTL2405071031-WF InternalPhotosofEUT BluetoothAntenna FCCID:2BAS2-E31Page 2 of 3 ReportNo.:CTL2405071031-WF FCCID:2BAS2-E31Page 3 of 3 ReportNo.:CTL2405071031-WF

FCCID:2BAS2-E31Page 1 of 1 ReportNo.:CTL2405071031-WF RFExposureLetter Accordingto447498D01GeneralRFExposureGuidancev06The1 ‐ gand10 ‐ g SARtest exclusionthresholdsfor100MHzto6GHzattestseparationdistances ≤ 50mm aredeterminedby:[(max.powerofchannel,includingtune ‐ uptolerance,mW)/(min. testseparationdistance,mm)] · [ √ f(GHz)] ≤ 3.0for1 ‐ gSARand ≤ 7.5for10 ‐ gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison BT pt=7.73dBm=5.93mWat2441MHz So(5.93mW/5mm)x √ 2.441GHz=1.8529<3 BLE pt=1.88dBm=1.54mWat2440MHz So(1.54mW/5mm)x √ 2.440GHz=0.4811<3 ThenSARevaluationisnotrequired

ShenzhenCTLTestingTechnologyCo.,Ltd. Tel:+86-755-89486194E-mail:[email protected] TESTREPORT FCCPART15.247 ReportReferenceNo.:CTL2405071031-WF01 Compiledby: (position+printedname+signature) HappyGuo (Fileadministrators) Testedby: (position+printedname+signature) YapengJin (TestEngineer) Approvedby: (position+printedname+signature) IvanXie (Manager) ProductName.................................: Smartwatch Model/Typereference .................... :E31 ListModel(s)....................................:N/A TradeMark ....................................... : Letsfit FCCID...............................................: 2BAS2-E31 Applicant’sname ........................... : HOTOEMInformationTechnologyCompanyLimited Addressofapplicant ..................... : Flat1908,19/F,HarbourCenter,25HarbourRoad,Wan Chai,HongKong TestFirm...........................................: ShenzhenCTLTestingTechnologyCo.,Ltd. AddressofTestFirm.....................: ZoneA,1stFloor,Warehouse2,BaishaLogisticsCompany,No. 3011ShaheWestRoad,NanshanDistrict,Shenzhen Testspecification...........................: Standard ............................................ :FCCPart15.247:Operationwithinthebands902-928MHz, 2400-2483.5MHzand5725-5850MHz. TRFOriginator..................................: ShenzhenCTLTestingTechnologyCo.,Ltd. MasterTRF ....................................... :Dated2011-01 Dateofreceiptoftestitem..........: May13,2024 DateofTestDate ............................ : May14,2024-May24,2024 DateofIssue....................................: May27,2024 Result................................................: Pass ShenzhenCTLTestingTechnologyCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenCTLTestingTechnologyCo.,Ltd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenCTLTestingTechnologyCo.,Ltd.takesnoresponsibilityforandwillnotassume liabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. V1.0Page2of45ReportNo.:CTL2405071031-WF01 TESTREPORT TestReportNo.:CTL2405071031-WF01 May27,2024 Dateofissue EquipmentunderTest:Smartwatch SampleNo:CTL2405071031 Model/Type:E31 ListedModels:N/A Applicant:HOTOEMInformationTechnologyCompany Limited Address: Flat1908,19/F,HarbourCenter,25HarbourRoad,Wan Chai,HongKong Manufacturer:ChongqingzhouhaiintelligenttechnologyCo.,Ltd. Address:Floor4,Building9,LinkongIntelligentIndustrialPark, No.6,LangyueRoad,ShuangfengqiaoStreet,Yubei District,Chongqing TestresultPass* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedpage5. Thetestresultspresentedinthisreportrelateonlytotheobjecttested. Thisreportshallnotbereproduced,exceptinfull,withoutthewrittenapprovaloftheissuingtesting laboratory. V1.0Page3of45ReportNo.:CTL2405071031-WF01 **ModifiedHistory** RevisionsDescriptionIssuedDataReportNo.Remark Version1.0InitialTestReportRelease2024-05-27CTL2405071031-WF01TracyQi V1.0Page4of45ReportNo.:CTL2405071031-WF01 TableofContentsPage 1.SUMMARY.......................................................................................................................................................................5 1.1.TESTSTANDARDS............................................................................................................................................................5 1.2.TESTDESCRIPTION...............................................................................................................................................................5 1.3.TESTFACILITY.....................................................................................................................................................................6 1.4.STATEMENTOFTHEMEASUREMENTUNCERTAINTY.....................................................................................................................6 2.GENERALINFORMATION.................................................................................................................................................8 2.1.ENVIRONMENTALCONDITIONS...............................................................................................................................................8 2.2.GENERALDESCRIPTIONOFEUT.............................................................................................................................................8 2.3.DESCRIPTIONOFTESTMODESANDTESTFREQUENCY................................................................................................................9 2.4.EQUIPMENTSUSEDDURINGTHETEST...................................................................................................................................10 2.5.RELATEDSUBMITTAL(S)/GRANT(S)....................................................................................................................................11 2.6.MODIFICATIONS................................................................................................................................................................11 3.TESTCONDITIONSANDRESULTS...................................................................................................................................12 3.1.CONDUCTEDEMISSIONSTEST..............................................................................................................................................12 3.2.RADIATEDEMISSIONSANDBANDEDGE.................................................................................................................................15 3.3.MAXIMUMPEAKOUTPUTPOWER.......................................................................................................................................29 3.4.20DBBANDWIDTH............................................................................................................................................................30 3.5.FREQUENCYSEPARATION..........................................................................…

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ShenzhenCTLTestingTechnologyCo.,Ltd. Floor1-A,BaishaTechnologyPark,No.3011,ShahexiRoad,NanshanDistrict,Shenzhen,China518055 Tel:+86-755-89486194E-mail:[email protected] AnnexforBT TestReportNo.:CTL2405071031-WF01 TABLEOFCONTENTS 1.Bandwidth................................................................................................................................................3 1.1OBW...............................................................................................................................................3 1.1.1TestResult..................................................................................................................................3 1.1.2TestGraph..................................................................................................................................4 1.220dBBW........................................................................................................................................9 1.2.1TestResult..................................................................................................................................9 1.2.2TestGraph................................................................................................................................10 2.MaximumConductedOutputPower.....................................................................................................15 2.1Power...........................................................................................................................................15 2.1.1TestResult................................................................................................................................15 2.1.2TestGraph................................................................................................................................16 3.CarrierFrequencySeparation..............................................................................................................21 3.1Ant1..............................................................................................................................................21 3.1.1TestResult................................................................................................................................21 3.1.2TestGraph................................................................................................................................22 4.NumberofHoppingFrequencies..........................................................................................................24 4.1HoppNum.....................................................................................................................................24 4.1.1TestResult................................................................................................................................24 4.1.2TestGraph................................................................................................................................25 AnnexforBTTestReportNo.:CTL2405071031-WF01 FCCID:2BAS2-E31 5.TimeofOccupancy(DwellTime)..........................................................................................................27 5.1Ant1..............................................................................................................................................27 5.1.1TestResult................................................................................................................................27 5.1.2TestGraph................................................................................................................................28 6.UnwantedEmissionsInNon-restrictedFrequencyBands...................................................................37 6.1Ref................................................................................................................................................37 6.1.1TestResult................................................................................................................................37 6.1.2TestGraph................................................................................................................................38 6.2CSE..............................................................................................................................................43 6.2.1TestResult................................................................................................................................43 6.2.2TestGraph................................................................................................................................44 AnnexforBTTestReportNo.:CTL2405071031-WF01 FCCID:2BAS2-E31 3/54 1.Bandwidth 1.1OBW 1.1.1TestResult Mode TX Type Frequency (MHz) Packet Type ANT 99%OccupiedBandwidth(MHz) Verdict ResultLimit GFSKSISO 2402DH510.861/Pass 2441DH510.855/Pass 2480DH510.855/Pass Pi/4DQPSKSISO 24022DH511.174/Pass 24412DH511.175/Pass 24802DH511.177/Pass 8DPSKSISO 24023DH511.168/Pass 24413DH511.171/Pass 24803DH511.173/Pass AnnexforBTTestReportNo.:CTL2405071031-WF01 FCCID:2BAS2-E31 4/54 1.1.2TestGraph GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV AnnexforBTTestReportNo.:CTL2405071031-WF01 FCCID:2BAS2-E31 5/54 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV AnnexforBTTestReportNo.:CTL2405071031-WF01 FCCID:2BAS2-E31 6/54 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV AnnexforBTTestReportNo.:CTL2405071031-WF01 FCCID:2BAS2-E31 7/54 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV AnnexforBTTestReportNo.:CTL2405071031-WF01 FCCID:2BAS2-E31 8/54 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV AnnexforBTTestReportNo.:CTL2405071031-WF01 FCCID:2BAS2-E31 9/54 1.220dBBW 1.2.1TestResult Mode TX Type Frequency (MHz) Packet Type ANT 20dBBandwidth(MHz) Verdict ResultLimit GFSKSISO 2402DH510.951/Pass 2441DH510.950/Pass 2480DH510.951/Pass Pi/4DQPSKSISO 24022DH511.319/Pass 24412DH511.324/Pass 24802DH511.318/Pass 8DPSK…

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FCCID:2BAS2-E31Page 1 of 2 ReportNo.:CTL2405071031-WF TestSetupPhotosoftheEUT FCCID:2BAS2-E31Page 2 of 2 ReportNo.:CTL2405071031-WF