2BWFR-DALINGRINGDalingRing

AI健康管理指环产品说明书 AI Health Management Ring Product Manual 包装清单 Packing List 充电仓*1 智能戒指*1 Smart Ring*1Charging Cble*1 Charging Case*1 Product Manual*1 充电线*1 产品说明书*1 连接 Connect 2.将绝缘条取出�戒指放置在充电仓处于充电状态�1.扫码下载APP� Remove the insulating strip and place the ring in the charging case while it is in the charging state. Scan the code to download the APP Open the app, go to the ring binding interface, select the ring version, then search for and add the ring. 3.打开APP中戒指绑定界面�选择戒指版本 � Daling专享�后�搜索并添加戒指� During the binding process, the ring will continuously flash a green light. 4.绑定过程中戒指会持续闪烁绿灯� 解绑 Unpair •如需解绑�在APP的设置页面�设备信息�中点击�解绑设备�即可解绑� •如使用的是苹果手机�还需在手机的蓝牙设置中�手动将戒指从已配对 的蓝牙设备列表中删除� • To unbind the device, go to "Settings" > "Device Information" in the APP and tap "Unbind Device". • If you are using an iPhone, after unbinding, please go to "Bluetooth Settings" on your phone and manually remove the ring from the list of paired devices. 佩戴戒指 Wear a ring •请确保戒指在手指上 •感觉灵活且紧贴 •灯光区对准指腹 •开始健康监测并实时跟踪生命体征� •Please ensure the ring is on your finger •It should feel flexible yet snug •Align the light sensor with your fingertip •Start health monitoring and track vital signs in real tim. ·传感器朝下，紧贴指腹 ·Sensor down, against finger pad. 智能戒指充电 Charge the Charging Case •将戒指按照图示放在充电仓上�戒指内圈指示灯亮起表示 正在充电中�熄灭表示充满� •充电仓指示灯说明 •充电中�指示灯亮起 •充电完成�指示灯熄灭 •Charging Case Indicator Light •Steady light: The indicator light is on •Light off: Fully charged • Then place the ring on the charging case as shown in the diagram. A steady light on the inner ring indicates charging in progress. The light turns off when fully charged. 特别说明 Special Instructions •本手册依据现有信息制作�本着不断完善�持续发展的原则�公司保留产品规格和功能变更 及对本手册中描述的任何产品进行修改和改进的权力� •本手册中的内容按产品制造时的状况提供�除非适用的法律另有规定�否则不对文档的准确 性�可靠性和内容做任何类型的明确或默认的保证�任何以手册的数据�图文或文字描述为 依据的索赔要求将不予接受 •本产品非医学设备�所提供的数据和信息仅供参考� •若擅自拆卸本产品的外壳�产品将失去保修资格� •本手册中的图片用于用户指导操作�仅供参考�具体以实物为准� · This manual is prepared based on current available information. Committed to continuous improvement, the company reserves the right to change product specifications and functions, as well as to modify or improve any product described in this manual without prior notice. · The content of this manual is provided as of the product's manufacture date. Unless otherwise required by applicable law, no explicit or implied warranty is made regarding the accuracy, reliability, or completeness of the content. Any claims based on the data, illustrations, or descriptions in this manual will not be accepted. · This product is not a medical device. All data and information provided are for reference only. · Unauthorized disassembly of the product's outer casing will void the warranty. · The images in this manual are for user guidance and reference only. The actual product shall prevail. •如您对本产品的功能使用有任何疑问�欢迎扫描上方二维码 获取详细的操作指引与功能说明 •If you have any questions about the usage of the functions of this product, please scan the QR code above to obtain detailed operation instructions and function descriptions. 扫码查看 Scan the code to view FCC Requirement Any changes or modifications not expressly approved by the party responsible for compliance could void the users 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.

Due Diligence Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern FCC ID Model name 2BWFR-DALINGRING DalingRing Neo, DalingRing Air Pursuant to KDB 986446 D01 Covered Equipment Guidance the evaluation of the product above shows compliance for the following reasons: Compliance Evaluation process Results Inherent compliance The chipset(s) used is not capable of running the cybersecurity and/or anti-virus software Compliance The memory used does not allow the running the cybersecurity and/or anti-virus software Compliance The storage capacity does not allow the running the cybersecurity and/or anti-virus software Compliance The operating system used is not capable of running the cybersecurity and/or anti-virus software Compliance No inherent compliance Based on software bill of material Based on scan for running software on the device Based on filesystem scan for cybersecurity and/or anti-virus software The equipment for which authorization is sought complies with the rules and fulfils the requirements as detailed in the above mentioned KDB. Evaluation performed by Company Name: Shenzhen Huaxia Testing Technology Co., Ltd Contact Name: Yoyo Zhou Address: 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Phone: +86-755-26648642 Email: [email protected] Signature: Date: 2026-06-15

Photographs-EUTConstructionalDetails FCC ID: 2BWFR-DALINGRING

Photographs-EUTConstructionalDetails FCC ID: 2BWFR-DALINGRING Antenna

SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD 102A,102B,Building2,ShanghenglangNewIndustrialZone,ShanghenglangCommunity, DalangStreet,LonghuaDistrict,Shenzhen,Guangdong,People’sRepublicofChina,518000 Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V06 ReportTemplateRevisionDate:2026-01-30 RFExposureEvaluationReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20260501074E-02 Applicant: HangzhouDachengTechnologyCo.,Ltd. AddressofApplicant: 4thFloor,Building10,YuhuHealthIndustryPark,YuhangDistrict,Hangzhou City EquipmentUnderTest(EUT): EUTName:DalingRing TestModelNo.:DalingRingNeo,DalingRingAir ModelNo.:DalingRingNeo BrandName:N/A FCCID:2BWFR-DALINGRING Standards: 47CFRPart1.1307 47CFRPart2.1093 447498D04InterimGeneralRFExposureGuidancev01 DateofReceipt:2026-05-25 DateofTest:2026-05-25to2026-06-03 DateofIssue:2026-06-15 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260501074E-02 Page:2of7 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20260501074E-02Rev.01 Initialreport 2026-06-15 SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260501074E-02 Page:3of7 2Contents Page 1VERSION............................................................................................................................................................................2 2CONTENTS........................................................................................................................................................................3 ..................................................................................................................................................................................................3 3GENERALINFORMATION..............................................................................................................................................4 3.1CLIENTINFORMATION...................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT...................................................................................................................................4 3.3GENERALDESCRIPTIONOFBLE...................................................................................................................................4 4SAREVALUATION...........................................................................................................................................................5 4.1RFEXPOSURECOMPLIANCEREQUIREMENT.................................................................................................................5 4.1.1StandardRequirement......................................................................................................................................5 4.1.2Limits....................................................................................................................................................................5 4.1.3EUTRFExposure..............................................................................................................................................7 SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260501074E-02 Page:4of7 3GeneralInformation 3.1ClientInformation Applicant: HangzhouDachengTechnologyCo.,Ltd. AddressofApplicant: 4thFloor,Building10,YuhuHealthIndustryPark,YuhangDistrict, HangzhouCity Manufacturer: HangzhouDachengTechnologyCo.,Ltd. AddressofManufacturer: 4thFloor,Building10,YuhuHealthIndustryPark,YuhangDistrict, HangzhouCity Factory: HangzhouDachengTechnologyCo.,Ltd. AddressofFactory: 4thFloor,Building10,YuhuHealthIndustryPark,YuhangDistrict, HangzhouCity 3.2GeneralDescriptionofEUT ProductName: DalingRing ModelNo.: DalingRingNeo,DalingRingAir TestModelNo DalingRingNeo TradeMark: N/A EUTSupportsRadiosapplication: Bluetoothmode 2402-2480MHz SoftwareVersion: V2.13 HardwareVersion: YC093CMBV0.5 SampleType: MobilePortableFixLocation EUTPowerSupply: Li-ionbatteryDC3.7V16mAh,ChargebyDC5Vforadapter 3.3GeneralDescriptionofBLE OperationFrequency: 2402MHz~2480MHz BluetoothVersion: V5.0 ModulationTechnique: NonFrequencyHoppingSpreadSpectrum(NFHSS) ModulationType: GFSK NumberofChannel: BLE:40 TransferRate:BLE:1Mbps TestSoftwareofEUT: bt_tool AntennaType:FPCantenna AntennaGain:1.5dBi SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260501074E-02 Page:5of7 4SAREvaluation 4.1RFExposureComplianceRequirement 4.1.1StandardRequirement 447498D04InterimGeneralRFExposureGuidancev01 3.2.SARTestReductionGuidance SARtestreductionprocedures[Glossary]allowusingaparticularsetoftestdataas representativeofother,similar,testconditions.Thismaybeappliedfordatawithindifferenttest positions(e.g.body,head,extremity),wirelessmodes(e.g.Wi-Fi,cellular),andfrequencybands.This testreductionprocessprovidesfortheuseoftestdataforonespecificchannel,whilereferencingto thosedatafordemonstratingcomplianceinotherrequiredchannelsforeachtestpositionofan exposurecondition,withintheoperatingmodeofafrequencyband.Thisislimitedspecificallytowhen thereported1-gor10-gSARforthemid-bandorhighestoutputpowerchannelmeetsanyofthe followingconditions. 4.1.2Limits SAR-basedthresholdsarederivedbasedonfrequency,power,andseparationdistanceoftheRF source.Theformuladefinesthethresholdsingeneralforeitheravailablemaximumtime averaged powerormaximumtime-averagedERP,whicheverisgreater. IftheERPofadeviceisnoteasilydetermined,suchasforaportabledevicewithasmallform factor,theapplicantmayusetheavailablemaximumtime-averagedpowerexclusivelyifthe deviceantennaorradiatingstructuredoesnotexceedanelectricallengthofλ/4. Asfordeviceswithantennasofleng…

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ShenzhenQingheIndustrialCo.,Ltd. Address:Room202,No.7,JiuliuIndustrialRoad,ShaotouCommunity,Shajing Street,Bao'anDistrict,ShenzhenCity 天线规格承认书 AntennaSpecificationforApproval 客户名称 CustomerName：HangzhouDachengTechnologyCo.,Ltd. 产品名称： ProductName：2.4GFPCAntennaTotallength14.4mm 客户型号： ProductName:V02_MB_V2.0 产品料号： PartNO.: WriteBy：马晓兰/MaXiaolan IssuedDate:2025-4-18 工程R&DDept 采购BusinessDept 承认ApprovedBy 研发R&DDept 工程EngineerDept 审核Approval 深圳市清禾实业有限公司 地址：深圳市宝安区沙井街道沙头社区九九工业路7号202 1、Antennashapeandsize 2、ProductSpecification A.ElectricalCharacteristics Frequency2400MHz ~2500MHz VSWR<3.0 Efficiency>30% Impedance50 OhmPolarization LineGain：1.5DBi B.Material&MechanicalCharacteristics MaterialofRadiatorCu CableTypeFPC0.15MMblack ConnectorType:NO Dimension C.Environmental OperationTemperature-30°C~+80 °C StorageTemperature-30°C~+ 85°C Antennaradiationpattern

CQASZ20260501074E-01 AppendixA:DTSBandwidth TestResult TestModeFreq(MHz) DTSBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1M 24020.682401.662402.340.5PASS 24400.672439.662440.330.5PASS 24800.682479.662480.340.5PASS TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaFreq(MHz) OCB[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt1 24021.0232401.48452402.5075------ 24401.0232439.48452440.5075------ 24801.0192479.48452480.5035------ TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 AppendixC:Maximumconductedoutputpower TestResultPeak TestModeFreq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict BLE_1M 24021.20≤30PASS 24402.20≤30PASS 24801.55≤30PASS TestGraphsPeak BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 AppendixD:Maximumpowerspectraldensity TestResult TestModeFreq(MHz)Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1M 2402-13.43≤8.00PASS 2440-12.45≤8.00PASS 2480-13.55≤8.00PASS TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 AppendixE:Bandedgemeasurements TestResult TestModeChNameFreq(MHz)RefLevel[dBm]Result[dBm]Limit[dBm]Verdict BLE_1M Low2402-0.67-43.22≤-20.67PASS High24800.54-42.9≤-19.46PASS TestGraphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 AppendixF:ConductedSpuriousEmission TestResult TestModeFreq(MHz) FreqRange [MHz] RefLevel [dBm] Result[dBm]Limit[dBm]Verdict BLE_1M 2402 Reference0.150.15---PASS 30~10000.15-51.71≤-19.85PASS 1000~265000.15-32.12≤-19.85PASS 2440 Reference1.571.57---PASS 30~10001.57-51.81≤-18.43PASS 1000~265001.57-34.09≤-18.43PASS 2480 Reference0.660.66---PASS 30~10000.66-52.06≤-19.34PASS 1000~265000.66-34.74≤-19.34PASS TestGraphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference BLE_1M_Ant1_2480_30~1000 BLE_1M_Ant1_2480_1000~26500 AppendixG:DutyCycle TestResult TestModeFreq(MHz) ONTime [ms] Period [ms] XDC [%] xFactor BLE_1M 24022.162.500.864086.400.63 24402.162.500.864086.400.63 24802.162.500.864086.400.63 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480

SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD 102A,102B,Building2,ShanghenglangNewIndustrialZone,ShanghenglangCommunity, DalangStreet,LonghuaDistrict,Shenzhen,Guangdong,People’sRepublicofChina,518000 Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V06 ReportTemplateRevisionDate:2026-01-30 TestReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonly tothesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20260501074E-01 Applicant: HangzhouDachengTechnologyCo.,Ltd. AddressofApplicant: 4thFloor,Building10,YuhuHealthIndustryPark,YuhangDistrict,Hangzhou City EquipmentUnderTest(EUT): Product:DalingRing ModelNo.:DalingRingNeo,DalingRingAir TestModelNo.:DalingRingNeo BrandName:N/A FCCID:2BWFR-DALINGRING Standards:47CFRPart15,SubpartC KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2020 DateofReceipt:2026-05-25 DateofTest:2026-05-25to2026-06-03 DateofIssue:2026-06-15 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260501074E-01 Page: 2 of 29 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20260501074E-01Rev.01Initialreport2026-06-15 SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260501074E-01 Page: 3 of 29 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203/15.247(c) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS ACPowerLine Conducted Emission 47CFRPart15,SubpartCSection 15.207 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS ConductedPeakOutput Power 47CFRPart15,SubpartCSection 15.247(b)(3) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS 6dBOccupied Bandwidth 47CFRPart15,SubpartCSection 15.247(a)(2) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS PowerSpectralDensity 47CFRPart15,SubpartCSection 15.247(e) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS Band-edgeforRF ConductedEmissions 47CFRPart15,SubpartCSection 15.247(d) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS RFConductedSpurious Emissions 47CFRPart15,SubpartCSection 15.247(d) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS RadiatedSpurious Emissions 47CFRPart15,SubpartCSection 15.205/15.209 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15,SubpartCSection 15.205/15.209 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260501074E-01 Page: 4 of 29 3Contents Page 1VERSION..........................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................3 3CONTENTS......................................................................................................................................................................4 4GENERALINFORMATION...........................................................................................................................................5 4.1CLIENTINFORMATION.................................................................................................................................................5 4.2GENERALDESCRIPTIONOFEUT.................................................................................................................................5 4.3ADDITIONALINSTRUCTIONS........................................................................................................................................7 4.4TESTENVIRONMENT...................................................................................................................................................8 4.5DESCRIPTIONOFSUPPORTUNITS...............................................................................................................................8 4.6TESTCONFIGURATION................................................................................................................................................8 4.7STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................................9 4.8TESTLOCATION........................................................................................................................................................10 4.9TESTFACILITY..........................................................................................................................................................10 4.10DEVIATIONFROMSTANDARDS................................................................................................................................10 4.11OTHERINFORMATIONREQUESTEDBYTHECUSTOMER..........................................................................................10 4.12EQUIPMENTLIST.....................................................................................................................................................11 5TESTRESULTSANDMEASUREMENTDATA.....................................................................................................12 5.1ANTENNAREQUIREMENT..........................................................................................................................................12 5.2CONDUCTEDEMISSIONS............................................................................................................................................13 5.3CONDUCTEDPEAKOUTPUTPOWER.................................…

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1Photographs-EUTTestSetup 1.1RadiatedSpuriousEmission 9kHz~30MHz: 30MHz~1GHz: FCC ID: 2BWFR-DALINGRING Above1GHz: 1.2 ConductedEmission 1.3 RFConductedmeasurement