2AZ4D-WS1SMART EAR STICK

The FCC warning: Changes or modifications that are not expressly approved by the responsible compliance party may result in the loss of users' rights to operate the equipment This device complies with section 15 of the FCC regulations. The operation must meet the following two conditions: (1) The equipment will not cause harmful interference; (2)The equipment must accept any interference received, including interference that may lead to unexpected operation. These restrictions are intended to provide reasonable rotection against harmful interference in residential installations.This device generates, uses and radiates radio frequency energy which, if not installed and used in accordance with the instructions below, may cause harmful interference with radio communications. However, there is no guarantee that interference will not occur in a particular installation.If this device can cause harmful interference with radio or television reception it will not occur in a particular installation. If the device is capable of causing harmful interference with radio or television reception, this can be determined by turning the device on and off and it is recommended that the user attempt to correct the interference by one or more of the following methods: This device has been tested and proved to comply with the restrictions for class B digital devices under FCC section 15. - Readjust or place radio and TV receiving antennas. - Increase the distance between the equipment and radio, TV. - Consult distributors or experienced radio/television technicians for assistance. Intelligent children lock to prevent children from misoperation Then go back to APP and click begin Open the cover, Power on automatically Precautions 3.When helping children pick their ears, please use silicone ear picks to keep children sitting and operate the product horizontally to get the best experience. 2.children over 6 year-old do not recommend children to Use this otoscope alone, please use it when accompanied by an adult； 1.This product is not suitable for children under 6 years old; 4. Please observe the surrounding situation before using this product to prevent the ear canal damage caused by the collision of others and pets. 5. When cleaning the lens, please use the provide alcohol swab equipped with this product to wipe it. 6. Avoid directly exposure to the sun to avoid softening. especially the silicone ear spoon 7. This product has built-in rechargeable lithium battery. If you do not use it frequently, please keep charging it once a month to prevent equipment failure. 8. During the use of this product, there will be a slight temperature rise (no more than 35°C), please rest assured to use. Product Name Product Model Image transfer rate Image transmitter Working Temperature Battery Type Battery life Charging time Input Current Pipe diameter The best focal length Smart ear stick Brand Yandoctor WS1 25fps CMOS -10~50°C lithium battery About 90 minutes About 1 hour DC 5V 1A 3.5mm 1.6cm The App can observe the inside of your ears in real-time,and the ear spoon will not block your sight The camera brings your convenient ear cleaning experience.For safety consideration, we do not recommend children to Use this otoscope alone, please use it when accompanied by an adult This product is suitable for cleaning earwax and observing the ear canal of human or pets Connect product WiFi: Dr.Yan-XXXX Smart Ear Stick Shenzhen Shengtai Smart Innovation Technology Co., Ltd Precautions Scan QR code to download APP WS1 usage Function introduction 1 1 1 1 2 2 2 2 3 3 4 56 Common problems and solutions Made in China Take the following measures: PASS Certificate Qualification Product name: Smart ear stick Inspector:Yuanjiao Bao Product model and accessories Product Specifications Product Details Spinning to tighten the ear spoon spinning to tighten the fixing ring When use silicone ear spoon, connect the ring first,and then connect the silicone ear spoon When the battery is low,the red light flashes, Please charge in time Close the cover , Turn off DOWN UP Power off, light off 7 Frequently Asked Questions Solution No response after startup: Uninstall the existing APP. Then scan the QR code install again Power indicator flashes in red: Disconnect the phone from WiFi, restart the WiFi, and then reconnect to WiFi WiFi connection is unstable and sometimes disconnect in seconds: If the above operation fails to solve the problem, please contact customer service, we will further provide you with practical solutions Please use the supplied charging cable to charge for 1 hour Turn off and restart the otoscope Application Crash: The battery is low, please use the supplied charging cable to charge, the charging time is 1 hour After connect to the APP, the camera cannot display real-time image correctly: Restart the otoscope and reconnect the APP Some phones require authorization WS1 Silica gel ear spoon adaptor Metal earwax spoon Type - c cable Alcohol swab The silicone earwax spoon Feather brush Dr. Yan-XXXX Dr. Yan-XXXX Yandoctor

ShenzhenShengtaismartInnovationTechnologyCo.LTD. ModelConfirmationLetter We,(ShenzhenShengtaismartInnovationTechnologyCo.LTD.)certifytheproduct: Smartearstick ModelNo.:WS1,WS2,WS3,WS5,WS6,WS7,WS8,WS9,WS10,AS1,AS2, AS3,AS5,AS6,AS7,AS8,AS9,AS10,VS1,VS2,VS3,VS5,VS6,VS7,VS8, VS9,VS10,HS1,HS2,HS3,HS5,HS6,HS7,HS8,MS1,MS2,MS3,MS5, MS6,MS7,MS8,T1-1,T1-2,T2-1,T2-2,T3-1,T3-2,T6-2,T8-2,T9-2,A1, A2,A3,A5,A6,V1,V2,V3,V5,V6,W1,W2,W3,W5,W6,H1,H2,H3,H5, H6,M1,M2,M3,M5,M6 Theirelectricalcircuitdesign,layout,componentsusedandinternalwiringareidentical, Onlythemodelisdifferent. Signiture: GranteeContact:XinhuaQiu CompanyName:ShenzhenShengtaismartInnovationTechnologyCo.LTD. Date:2021-06-01

Date:04/17/2018VCB_F-01:OperatingProceduresForm–FCCAuthorizationv02Page1of1 ShenzhenShengtaismartInnovationTechnologyCo.Ltd Room1005,JiaAnDaBuilding,NO.110,HuaFanRoad, TongShengcommunity,DaLangstreet,LongHua district,ShenZhencity.CodeNo.518109 Date:2021-05-31 SUBJECT:FCCApplicationfor(FCCID:2AZ4D-WS1) ToWhomItMayConcern: We,theundersigned,herebyauthorizeYoyoZhouin ShenzhenHuaxiaTesting TechnologyCo.,Ltd at 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad, DalangStreet,LonghuaDistrict,Shenzhen,Chinaonourbehalf,toapplytotheFederal CommunicationsCommissiononourequipment.Anyandallactscarriedoutby ShenzhenHuaxiaTestingTechnologyCo.,Ltdonourbehalfshallhavethesame effectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We, theapplicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection 5301oftheAnti-DrugActof1988,21USC853a,andnopartytotheapplicationis subjecttoadenialoffederalbenefitspursuanttothatsection. Sincerely, (MustbesignedbythepersonthatislistedontheFCCWebsite) Signature: Contactname:XinhuaQiu Companyname:ShenzhenShengtaismartInnovationTechnologyCo.LTD Address:Room1005,JiaAnDaBuilding,NO.110,HuaFanRoad,TongShengcommunity,DaLangStreet, LongHuadistrict,ShenZhencity.

Date:04/17/2018VCB_F-01:OperatingProceduresForm–FCCConfidentialityv02Page1of1 ShenzhenShengtaismartInnovationTechnologyCo.LTD. FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2AZ4D-WS1 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequest confidentialtreatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName 1.BlockDiagram, 2.Schematics, 3.OperationalDescription 1.2AZ4D-WS1-Blockdiagram 2.2AZ4D-WS1-SCH 3.2AZ4D-WS1-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: Contactname:XinhuaQiu Companyname:ShenzhenShengtaismartInnovationTechnologyCo.LTD Address: Room1005,JiaAnDaBuilding,NO.110,HuaFanRoad,TongShengcommunity,DaLang Street,LongHuadistrict,ShenZhencity.

FCCID:2AZ4D-WS1 FCCID:2AZ4D-WS1 FCCID:2AZ4D-WS1

Name:Smartearstick Model:WS1 FCCID：2AZ4D-WS1 ShenzhenShengtaismartInnovationTechnologyCo.LTD MadeinChina

FCCID:2AZ4D-WS1 FCCID:2AZ4D-WS1 FCCID:2AZ4D-WS1 FCCID:2AZ4D-WS1

ShenzhenHuaxiaTestingTechnologyCo.,Ltd 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V04 ReportTemplateRevisionDate:2018-07-06 RFExposureEvaluationReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.: CQASZ20210500727E-02 Applicant: ShenzhenShengtaismartInnovationTechnologyCo.Ltd AddressofApplicant: Room1005,JiaAnDaBuilding,NO.110,HuaFanRoad,TongSheng community,DaLangStreet,LongHuadistrict,ShenZhencity. EquipmentUnderTest(EUT): EUTName: SMARTEARSTICK ModelNo.: WS1,WS2,WS3,WS5,WS6,WS7,WS8,WS9,WS10,AS1,AS2,AS3,AS5, AS6,AS7,AS8,AS9,AS10,VS1,VS2,VS3,VS5,VS6,VS7,VS8,VS9,VS10, HS1,HS2,HS3,HS5,HS6,HS7,HS8,MS1,MS2,MS3,MS5,MS6,MS7, MS8,T1-1,T1-2,T2-1,T2-2,T3-1,T3-2,T6-2,T8-2,T9-2,A1,A2,A3,A5,A6, V1,V2,V3,V5,V6,W1,W2,W3,W5,W6,H1,H2,H3,H5,H6,M1,M2,M3, M5,M6 TestModelNo.: WS1 BrandName: FCCID:2AZ4D-WS1 Standards: 47CFRPart1.1307 47CFRPart2.1093 KDB447498D01GeneralRFExposureGuidancev06 DateofReceipt:2021-05-21 DateofTest:2021-05-21to2021-06-03 DateofIssue:2021-06-03 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy： (LewisZhou) ReviewedBy: (JunLi) ApprovedBy: (SheekLuo) ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500727E-02 Page:2of7 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20210500727E-02Rev.01 Initialreport 2021-06-03 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500727E-02 Page:3of7 2Contents Page 1VERSION......................................................................................................................................................................2 2CONTENTS..................................................................................................................................................................3 3GENERALINFORMATION........................................................................................................................................4 3.1CLIENTINFORMATION................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT................................................................................................................................4 3.3GENERALDESCRIPTIONOFBT................................................................................................错误！未定义书签。 3.4GENERALDESCRIPTIONOFBLE..............................................................................................错误！未定义书签。 3.5GENERALDESCRIPTIONOF2.4G..............................................................................................错误！未定义书签。 4SAREVALUATION.....................................................................................................................................................6 4.1RFEXPOSURECOMPLIANCEREQUIREMENT..............................................................................................................6 4.1.1StandardRequirement..................................................................................................................................6 4.1.2Limits................................................................................................................................................................6 4.1.3EUTRFExposure..........................................................................................................................................7 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500727E-02 Page:4of7 3GeneralInformation 3.1ClientInformation Applicant: ShenzhenShengtaismartInnovationTechnologyCo.Ltd AddressofApplicant: Room1005,JiaAnDaBuilding,NO.110,HuaFanRoad,TongSheng community,DaLangStreet,LongHuadistrict,ShenZhencity. Manufacturer: ShenzhenShineTechIntelCo.,Ltd AddressofManufacturer: NewDistrictofLonghua,DalangStreet,ShenzhenLianjianIndustrialPark 66thFloor Factory: ShenzhenShineTechIntelCo.,Ltd AddressofFactory: NewDistrictofLonghua,DalangStreet,ShenzhenLianjianIndustrialPark 66thFloor 3.2GeneralDescriptionofEUT ProductName: SMARTEARSTICK ModelNo.: WS1,WS2,WS3,WS5,WS6,WS7,WS8,WS9,WS10,AS1,AS2,AS3, AS5,AS6,AS7,AS8,AS9,AS10,VS1,VS2,VS3,VS5,VS6,VS7,VS8, VS9,VS10,HS1,HS2,HS3,HS5,HS6,HS7,HS8,MS1,MS2,MS3,MS5, MS6,MS7,MS8,T1-1,T1-2,T2-1,T2-2,T3-1,T3-2,T6-2,T8-2,T9-2,A1, A2,A3,A5,A6,V1,V2,V3,V5,V6,W1,W2,W3,W5,W6,H1,H2,H3,H5, H6,M1,M2,M3,M5,M6 TestModelNo.: WS1 TradeMark: Hardwareversion： V1 Softwareversion： 1.1.10 OperationFrequency:IEEE802.11b/g/n(HT20):2412MHzto2462MHz ChannelNumbers: IEEE802.11b/g,IEEE802.11nHT20:11Channels ChannelSeparation: 5MHz TypeofModulation: IEEEfor802.11b:DSSS(CCK,DQPSK,DBPSK) IEEEfor802.11g:OFDM(64QAM,16QAM,QPSK,BPSK) IEEEfor802.11n(HT20):OFDM(64QAM,16QAM,QPSK,BPSK) TransferRate: IEEEfor802.11b: 1Mbps/2Mbps/5.5Mbps/11Mbps IEEEfor802.11g: 6Mbps/9Mbps/12Mbps/18Mbps/24Mbps/36Mbps/48Mbps/54Mbps IEEEfor802.11n(HT20): 6.5Mbps/13Mbps/19.5Mbps/26Mbps/39Mbps/52Mbps/58.5Mbps/65Mbps ProductType:MobilePortableFixLocation TestSoftwareofEUT: FCCEOTwith(send)V1.1 AntennaType:FPCantenna AntennaGain:-1.67dBi PowerSupply: lithiumbattery:3.7V271mAh AC/DCAdapter:5V2A ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500727E-02 Page:5of7 Note: Allmodel:WS1,WS2,WS3,WS5,WS6,WS7,WS8,WS9,WS10,AS1,AS2,AS3,AS5,AS6,AS7,AS8,AS9, AS10,VS1,VS2,VS3,VS5,VS6,VS7,VS8,VS9,VS10,HS1,HS2,HS3,HS5,HS6,HS7,HS8,MS1,MS2, MS3,MS5,MS6,MS7,MS8,T1-1,T1-2,T2-1,T2-2,T3-1,T3-2,T6-2,T8-2,T9-2,A1,A2,A3,A5,A6,V1,V2, V3,V5,V6,W1,W2,W3,W5,W6,H1,H2,H3,H5,H6,M1,M2,M3,M5,M6 OnlythemodelWS1,wastested,sincetheelectricalcircuitdesign,layout,componentsusedandinternal wiringwereidenticalfortheabovemodels,withdifferencebeingcolorofappearanceandmodelname. ShenzhenHuax…

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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:V03 ReportTemplateRevisionDate:Mar.1st,2017 TestReport *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlytothesample(s) tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. 1Coverpage ReportNo.: CQASZ20210500727E-01 Applicant: ShenzhenShengtaismartInnovationTechnologyCo.Ltd AddressofApplicant: Room1005,JiaAnDaBuilding,NO.110,HuaFanRoad,TongSheng community,DaLangStreet,LongHuadistrict,ShenZhencity. EquipmentUnderTest(EUT): Product: SMARTEARSTICK AllModelNo.: WS1,WS2,WS3,WS5,WS6,WS7,WS8,WS9,WS10,AS1,AS2,AS3,AS5, AS6,AS7,AS8,AS9,AS10,VS1,VS2,VS3,VS5,VS6,VS7,VS8,VS9,VS10, HS1,HS2,HS3,HS5,HS6,HS7,HS8,MS1,MS2,MS3,MS5,MS6,MS7,MS8, T1-1,T1-2,T2-1,T2-2,T3-1,T3-2,T6-2,T8-2,T9-2,A1,A2,A3,A5,A6,V1,V2, V3,V5,V6,W1,W2,W3,W5,W6,H1,H2,H3,H5,H6,M1,M2,M3,M5,M6 TestModelNo.: WS1 BrandName: FCCID:2AZ4D-WS1 Standards:47CFRPart15,SubpartC DateofTest: 2021-05-21to2021-06-03 DateofIssue: 2021-06-03 TestResult:PASS* TestedBy： (LewisZhou) ReviewedBy: (JunLi) ApprovedBy: (SheekLuo) ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500727E-01 Page:2of99 1.Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20210500727E-01Rev.01 Initialreport 2021-06-03 Remark: 1.Thetestedsample(s)andthesampleinformationareprovidedbytheclient. 2.Accordingtothedeclarationfromtheapplicant,thestandbybatterymodelsinthisreportwereidentical, onlydifferencewithbeingtheofthepowersupplyparameter. 3.Consideringtothedifference,pre-scanwereperformedonthestandbybatteryinthisreporttofindthe itemswhichcanbeinfluentialtotheresultintheoriginaltestreportforfullyretest. ThereforeinstandbybatteryRadiatedEmissionsandConductedEmissionswereretested onmodel1#、2#3#andshownthedatainthisreport,othertestspleaserefertooriginalbattery. ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500727E-01 Page:3of99 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203/15.247(c) ANSIC63.102013PASS ACPowerLine Conducted Emission 47CFRPart15,SubpartCSection 15.207 ANSIC63.102013PASS ConductedPeak& AverageOutputPower 47CFRPart15,SubpartCSection 15.247(b)(3) ANSIC63.102013PASS 6dBOccupied Bandwidth 47CFRPart15,SubpartCSection 15.247(a)(2) ANSIC63.102013PASS PowerSpectralDensity 47CFRPart15,SubpartCSection 15.247(e) ANSIC63.102013PASS Band-edgeforRF ConductedEmissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.102013PASS RFConductedSpurious Emissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.102013PASS RadiatedSpurious Emissions 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.102013PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.102013PASS ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500727E-01 Page:4of99 3Contents Page COVERPAGE.................................................................................................................................................................1 1.VERSION......................................................................................................................................................................2 2TESTSUMMARY.........................................................................................................................................................3 3CONTENTS...................................................................................................................................................................4 4GENERALINFORMATION........................................................................................................................................5 4.1CLIENTINFORMATION.............................................................................................................................................5 4.2GENERALDESCRIPTIONOFEUT...........................................................................................................................5 4.3TESTENVIRONMENTANDMODE............................................................................................................................8 4.4DESCRIPTIONOFSUPPORTUNITS........................................................................................................................9 4.5TESTLOCATION......................................................................................................................................................9 4.6TESTFACILITY........................................................................................................................................................9 4.7STATEMENTOFTHEMEASUREMENTUNCERTAINTY............................................................................................10 4.8DEVIATIONFROMSTANDARDS.............................................................................................................................10 4.9ABNORMALITIESFROMSTANDARDCONDITIONS.................................................................................................10 4.10OTHERINFORMATIONREQUESTEDBYTHECUSTOMER..................................................................................10 4.11EQUIPMENTLIST.................................................................................................................................................11 5TESTRESULTSANDMEASUREMENTDATA..................................................................................................12 5.1ANTENNAREQUIREMENT......................................................................................................................................12 5.2CONDUCTEDEMISSIONS.................................…

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FCCID:2AZ4D-WS1 9KHz~30MHz: 30MHz~1GHz: FCCID:2AZ4D-WS1 Above1GHz: 1.1ConductedEmission