2AUDO-V20AV20SWatch Power Bank

Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with Part 15 of the FCC Rules. Operation is subject 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. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: – Reorient or relocate the receiving antenna. – Increase the separation between the equipment and receiver. – Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. – Consult the dealer or an experienced radio/TV technician for help. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator & your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

Date:04/17/2018VCB_F-01:OperatingProceduresForm–FCCAuthorizationv02Page1of1 Shenzhen Itian Technology Co.,Ltd. Attestation Statement Letter I Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date: 2023-6-29 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC Application for FCC ID: 2AUDO-V20AV20S Shenzhen Itian Technology Co.,Ltd. certifies that the equipment for which authorization is sought is not “covered” equipment prohibited for receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely Applicant’s Signature: Applicant’s name: Jiankun Zhao

Date:04/17/2018VCB_F-01:OperatingProceduresForm–FCCAuthorizationv02Page1of1 Shenzhen Itian Technology Co.,Ltd. Attestation Statement Letter II Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date: 2023-6-29 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC Application for FCC ID: 2AUDO-V20AV20S Shenzhen Itian Technology Co.,Ltd. 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’s Signature: Applicant’s name: Jiankun Zhao

SignedonbehalfofClevelandInternational TradeAgency signature Name:BeckyDeng Title:Manager Shenzhen Itian Technology Co.,Ltd. Address：6F,Building D, Phase 2nd , Anfeng Industrial Park , Dalang Street , Longhua District,Shenzhen , China FRN:0028652667 Date: 2023-06-30 FederalCommunicationsCommission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(7) Filing SUBJECT:FCCApplication for FCC ID:2AUDO-V20AV20S Shenzhen Itian Technology Co.,Ltd. certifies that, as of the date of the filing of the application, Cleveland International Trade Agency. is our designated U.S. agent for service of process for the above referenced FCC ID. Shenzhen Itian Technology 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. Cleveland International TradeAgency accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: Cleveland International Trade Agency Address: 4033 ST Clair Ave, Cleveland, OH 44103, USA FRN: 0033401837 Contact Person: BeckyDeng Tel.: 216-600-0606 Email: [email protected] Sincerely, Date:2023-6-3 Signed on behalf of Shenzhen Itian Technology Co.,Ltd. signature Name: Jiankun Zhao Title: General Manager Date: 2023-6-290

Date:04/17/2018VCB_F-01:OperatingProceduresForm–FCCConfidentialityv02Page1of1 ExhibitTypeFileName 1.BlockDiagram, 2.Schematics, 3.OperationalDescriptio Shenzhen Itian Technology Co.,Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Confidentiality Request regarding application for certification of FCC ID: 2AUDO- V20AV20S Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: n 1.2AUDO-V20AV20S-Blockdiagram 2.2AUDO-V20AV20S-SCH 3.2AUDO-V20AV20S-Operationaldescription Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarily releasedtothepublic.Thepublicdisclosureofthesematerialsmaybeharmfultothe applicantandprovideunjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateofthe Grantforthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,wealso requesttemporaryconfidentialtreatmentofinformationaccompanyingthisapplication asoutlinedbelowforaninitialperiodofxxxx(ie-“45”,“90”or“180”)days: ExhibitTypeFileName N/AN/A Signature: Contact name: Jiankun Zhao Company name:Shenzhen Itian Technology Co.,Ltd. Address: 6F,Building D, Phase 2nd , Anfeng Industrial Park , Dalang Street , Longhua District,Shenzhen , China

Date:04/17/2018VCB_F-01:OperatingProceduresForm–FCCAuthorizationv02Page1of1 Shenzhen Itian Technology Co.,Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date: 2023-6-29 SUBJECT: FCC Application for (FCC ID:2AUDO-V20AV20S) To Whom It May Concern: We, the undersigned, hereby authorizeHedy Huangin Shenzhen Huaxia Testing Technology Co., Ltd at 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, Chinaon our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Shenzhen Huaxia Testing Technology Co., Ltdon our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, (Must be signed by the person that is listed on the FCC Website) Signature: Contact name:Jiankun Zhao Company name:Shenzhen Itian Technology Co.,Ltd. Address:6F,Building D, Phase 2nd , Anfeng Industrial Park , Dalang Street , Longhua District,Shenzhen , China

Shenzhen Itian Technology Co.,Ltd. ModelConfirmationLetter Date:2023-6-2 We,Shenzhen Itian Technology Co.,Ltd. certify the product: Watch Power Bank Model No.: V20A,V20S The circuit design, layout, components used and internal wiring are all the same, except for the color difference. 9

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Label Size: 40*25.6mm

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ShenzhenHuaxiaTestingTechnologyCo.,Ltd. 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 RFExposureEvaluationReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlytothesample(s) tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.: CQASZ20230600945E-02 Applicant:ShenzhenItianTechnologyCo.,Ltd. AddressofApplicant:6F,BuildingD,Phase2nd,AnfengIndustrialPark,DalangStreet,Longhua District,Shenzhen,China EquipmentUnderTest(EUT): Product:WatchPowerBank ModelNo.:V20A,V20S TestModelNo.: V20A BrandName:ITIAN FCCID:2AUDO-V20AV20S Standards:47CFRPart1.1307 47CFRPart1.1310 KDB680106D01RFExposureWirelessChargingBaseAppv03r01 DateofReceipt:2023-6-1 DateofTest:2023-6-1to2023-6-8 DateofIssue: 2023-6-30 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20230600945E-02 Page:2of18 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20230600945E-02Rev.01 Initialreport 2023-6-30 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20230600945E-02 Page:3of18 2Contents Page 1VERSION............................................................................................................................................................................2 2CONTENTS........................................................................................................................................................................3 ..................................................................................................................................................................................................3 3GENERALINFORMATION..............................................................................................................................................4 3.1CLIENTINFORMATION...................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT...................................................................................................................................4 3.3PRODUCTSPECIFICATIONSUBJECTIVETOTHISSTANDARD...........................................................................................4 3.4TESTENVIRONMENT......................................................................................................................................................5 3.5DESCRIPTIONOFSUPPORTUNITS..................................................................................................................................5 3.6TESTLOCATION.............................................................................................................................................................6 3.7TESTFACILITY...............................................................................................................................................................6 3.8EQUIPMENTLIST............................................................................................................................................................6 4RFEXPOSUREEVALUATION.......................................................................................................................................7 4.1RFEXPOSURECOMPLIANCEREQUIREMENT.................................................................................................................7 4.1.1Limits....................................................................................................................................................................7 4.1.2TestProcedure...................................................................................................................................................7 4.1.3TestSetup...........................................................................................................................................................8 4.1.4TestResults........................................................................................................................................................9 APPENDIXA:PHOTOGRAPHSOFTESTSETUP.....................................................................................................16 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20230600945E-02 Page:4of18 3GeneralInformation 3.1ClientInformation Applicant:ShenzhenItianTechnologyCo.,Ltd. AddressofApplicant:6F,BuildingD,Phase2nd,AnfengIndustrialPark,DalangStreet,Longhua District,Shenzhen,China Manufacturer:ShenzhenItianTechnologyCo.,Ltd. AddressofManufacturer:6F,BuildingD,Phase2nd,AnfengIndustrialPark,DalangStreet,Longhua District,Shenzhen,China Factory:ShenzhenItianTechnologyCo.,Ltd. AddressofFactory:6F,BuildingD,Phase2nd,AnfengIndustrialPark,DalangStreet,Longhua District,Shenzhen,China 3.2GeneralDescriptionofEUT ProductName: WatchPowerBank ModelNo.: V20A,V20S TestModelNo.: V20A BrandName: ITIAN SoftwareVersion: V20-V1 HardwareVersion: V20-V12 EUTPowerSupply: DC5V0.50A 3.3ProductSpecificationsubjectivetothisstandard EquipmentCategory:Non-ISMfrequency OperationFrequencyrange:110kHz~205kHz ModulationType:Induction AntennaType:Inductioncoil AntennaGain:0dBi Note: 1.Insection15.31(m),regardstotheoperatingfrequencyrangeless1MHz. 2.ModelNo.:V20A,V20S Thecircuitdesign,layout,componentsusedandinternalwiringareallthesame,exceptforthecolor difference ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20230600945E-02 Page:5of18 3.4TestEnvironment OperatingEnvironment: Temperature: 25.5  C Humidity:53%RH AtmosphericPressure:1009mbar TestMode: Modea:KeeptheEUTWirelessOutPut3W 3.5DescriptionofSupportUnits TheEUThas…

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Page1of4 东莞市金赞智能科技有限公司 DONGGUANKIMCHENINDUSTRYINTLLIMITED Address: 东莞市石碣镇西沙路 2 号 Tel ： 86-076986018114Fax ： 86-076986015646 Http://www.jzcoil.com文件编号FilNo:KC-JZ-09-008 东莞市金赞智能科技有限公司 产品规格书 PRODUCTSPECIFICATION 拟制 PREPAREDBY 跟单员 MERCHANDISER 工程审核 ENGINEER CHECKEDBY 制程审核 PRODUCTION CHECKDEDBY 批准 APPROVEDBY 王云帆 客户：深圳市翊天科技有限公司 CUSTOMER:____________________________________________________________________ 客户料号： CUSTP/N:____________________________________________________________________ 金赞料号： KCP/N:____________________________________________________________________ 产品型号：苹果手表线圈（带磁铁8.1uH)-线圈长8mm14*21*0.08*24P*14TS*8MM DESE: 日期：2023.3.24 DATE:____________________________________________________________________ 版本：A.0 VERSION:____________________________________________________________________ （客户承认受领印）ACCEPTANCESTAMP Pageof4 东莞市金赞智能科技有限公司 DONGGUANKIMCHENINDUSTRYINTLLIMITED Address:东莞市石碣镇西沙路2号Tel：86-076986018114Fax：86-076986015646 Http://www.jzcoil.com文件编号FilNo:KC-JZ-09-008 14*20.5*0.08*24P*14TS*8MM 拟制 PREPAREDBY 工程审核 ENGINEERCHECKEDBY 制程审核 PRODUCTIONCHECKEDBY 2 1.产品外形尺寸（OVERALLDIMENSIONSOFPRODUCTS): 版本 Rev. 变更前 BeforeChange 变更后内容 DESCRIPTION(ContentOrReasonForChanged) 日期 Date 修订者 Revisor A.0--新发行（InitialRelease）2023/4/1王云帆 Pageof4 东莞市金赞智能科技有限公司 DONGGUANKIMCHENINDUSTRYINTLLIMITED Address:东莞市石碣镇西沙路2号Tel：86-076986018114Fax：86-076986015646 Http://www.jzcoil.com文件编号FilNo:KC-JZ-09-008 14*20.5*0.08*24P*14TS*8MM 拟制 PREPAREDBY 工程审核 ENGINEERCHECKEDBY 制程审核 PRODUCTIONCHECKEDBY 3 单位 (Unit): 毫米 (mm) PS:1.C为磁外引线长度；2.H不含进线；3.线圈反贴；4.J不含离型纸 圈数 Turns 线径 WireDia. 绕线方式疏/密 Wdg.Type Spred/Close 绕线方向 Wdg.Direction 相交是/否 Intersect Yes/Not 线圈正/反贴 Coil Positive/AntiPaste 14TS 0.08*24P热风绞线 (HotAirstrandedWire) 密绕（Close） 逆时针 (Anticlockwise) 是(Yes)反贴(Anti-Paste) ABCDEFG 2±1 1-2 8+2/-014±0.521MAX7.5MAX7.8±0.5 HIJK L 1.05±0.052.5±0.22.85MAX25±1 2.2±0.1 Pageof4 东莞市金赞智能科技有限公司 DONGGUANKIMCHENINDUSTRYINTLLIMITED Address:东莞市石碣镇西沙路2号Tel：86-076986018114Fax：86-076986015646 Http://www.jzcoil.com文件编号FilNo:KC-JZ-09-008 14*20.5*0.08*24P*14TS*8MM 拟制 PREPAREDBY 工程审核 ENGINEERCHECKEDBY 制程审核 PRODUCTIONCHECKEDBY 4 所有材料要求合格ROHS标准 2.电气特性（ELECTRICALCHARACTERISTICS): 温度TEMPERATURE:25±10°C,湿度RELATIVEHUMIDITY:65±10% 序号 NO. 项目 ITEM 端子 TERMINAL 标准 SPECIFICATION 测试条件 TESTFREQUENCY 测试仪器 TESTEQUIPMENTS 1INDS-F线圈/Coil：4.9uH±10%1kHz/VLCZMETER1062 1INDS-F线圈加磁片/Coiland diskette：8.1uH±10% 1kHz/VLCZMETER1062 3.材料清单（BILLOFMATERIAIS): 材料名称 Materialname 品名描述 Description 物料代码 MaterialCode 厂商代码 Vendorcode 线材/wirerod0.08*24P热风绞线 JX-2U-F-0009 ZY 软磁片/Softmagneticsheet G25±1*7.8*2.5±0.2H（有孔有槽） （小槽：5.2*2.0H大槽8.5*2.0H）磁片表面无Logo GCP-T-00206QT 3M背胶(灰色）/3Madhesive (grey) 圆形15*0.15H（带手撕）Round15*0.15H (withhandtear) SMJ-3M-00042 MLS 锡条/tinbar 环保无铅焊锡条/Environmentally friendlylead-freesolderbar 无铅高温锡条 Lead-freehigh temperaturetin strip XC 强磁铁N48/StrongmagnetN487.5*2.2H（2800-3200GS)CT-T-0008YY

ShenzhenHuaxiaTestingTechnologyCo.,Ltd. 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 TestReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonly tothesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20230600945E-01 Applicant:ShenzhenItianTechnologyCo.,Ltd. AddressofApplicant:6F,BuildingD,Phase2nd,AnfengIndustrialPark,DalangStreet,Longhua District,Shenzhen,China EquipmentUnderTest(EUT): Product:WatchPowerBank ModelNo.:V20A,V20S TestModelNo.: V20A BrandName:ITIAN FCCID:2AUDO-V20AV20S Standards:47CFRPart15,SubpartC DateofReceipt:2023-6-1 DateofTest:2023-6-1to2023-6-8 DateofIssue: 2023-6-30 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20230600945E-01 Page: 2 of 23 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20230600945E- 01 Rev.01 Initialreport 2023-6-30 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20230600945E-01 Page: 3 of 23 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203 ANSIC63.102013PASS ACPowerLine Conducted Emission 47CFRPart15,SubpartCSection 15.207 ANSIC63.102013N/A 20dBOccupied Bandwidth 47CFRPart15,SubpartCSection 15.215 ANSIC63.102013PASS RadiatedEmission, RadiatedSpurious Emissions 47CFRPart15,SubpartCSection 15.209 ANSIC63.102013PASS ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20230600945E-01 Page: 4 of 23 3Contents Page 1VERSION..........................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................3 3CONTENTS......................................................................................................................................................................4 4GENERALINFORMATION...........................................................................................................................................5 4.1CLIENTINFORMATION.................................................................................................................................................5 4.2GENERALDESCRIPTIONOFEUT.................................................................................................................................5 4.3PRODUCTSPECIFICATIONSUBJECTIVETOTHISSTANDARD........................................................................................5 4.4TESTENVIRONMENT...................................................................................................................................................6 4.5DESCRIPTIONOFSUPPORTUNITS...............................................................................................................................6 4.6STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................................7 4.7TESTLOCATION..........................................................................................................................................................7 4.8TESTFACILITY............................................................................................................................................................7 4.9DEVIATIONFROMSTANDARDS....................................................................................................................................7 4.10OTHERINFORMATIONREQUESTEDBYTHECUSTOMER............................................................................................7 4.11EQUIPMENTLIST.......................................................................................................................................................8 5TESTRESULTSANDMEASUREMENTDATA.......................................................................................................9 5.1ANTENNAREQUIREMENT............................................................................................................................................9 5.220DBOCCUPYBANDWIDTH......................................................................................................................................10 5.3RADIATEDSPURIOUSEMISSION&RESTRICTEDBANDS...........................................................................................12 5.3.1SpuriousEmissions......................................................................................................................................12 6PHOTOGRAPHS-EUTTESTSETUP.....................................................................................................................17 6.1RADIATEDEMISSION.................................................................................................................................................17 7PHOTOGRAPHS-EUTCONSTRUCTIONALDETAILS......................................................................................18 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20230600945E-01 Page: 5 of 23 4GeneralInformation 4.1ClientInformation Applicant:ShenzhenItianTechnologyCo.,Ltd. AddressofApplicant:6F,BuildingD,Phase2nd,AnfengIndustrialPark,DalangStreet,Longhua District,Shenzhen,China Manufacturer:ShenzhenItianTechnologyCo.,Ltd. AddressofManufacturer:6F,BuildingD,Phase2nd,AnfengIndustrialPark,DalangStreet,Longhua District,Shenzhen,China Factory: ShenzhenItianTechnologyCo.,Ltd. AddressofFactory:6F,BuildingD,Phase2nd,AnfengIndustrialPark,DalangStreet,Longhua District,Shen…

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TestPhotos 1.1 RadiatedEmission 9kHz~30MHz: 30MHz~1GHz: