2BSXH-K1PROIntelligent Oral Care Device

  App Connection Connect your phone to the device’s WiFi Yibohe-xx-xxxxxx Settings Wireless LAN Wireless LAN Network Main Unit Component Names Power Button After successful connection, the blue light stays on Red light stays on while charging Red light turns off when charging is complete Press and hold to turn on; the blue light will illuminate When waiting to connect, the blue light flashes Red light flashes quickly when battery is low Open the silicone cover to charge Lens Barrel Lens (with Built-in Gyroscope) Users should sit upright and keep the phone vertical; keep the device level during use for better directional control Note: Tweezers Installation: Dropper Assembly Installation: Accessory Installation Oral Accessory Head Installation: Sit upright and hold your phone at eye level to keep the device level and easy to control Friendly Reminder   Charging CableTweezers Medication Assembly A total of 8 accessories Main Unit Tongue Scraper Right-slanted Straight Hoe Cleaning Tool Sickle-shaped Cleaning Tool Tartar Remover Straight Dental Pick Molar Tip Curved Dental Pick Left-slanted Straight Hoe Cleaning Tool Accessory Holder Issue No response when powered on App crashes Device indicator light flashes rapidly WiFi connection is unstable, sometimes disconnecting within Lens is blurry App connects successfully but live video does not display properly Camera light not turning on Direction is off during use Restart the device and reconnect the App Use a cotton swab to clean Switch to mirror mode in the App and ensure the phone is vertical and the user is seated Disconnect the phone from the device WiFi, restart the device, and reconnect Please use the provided charging cable to charge Uninstall the current App and reinstall by scanning the QR code Please use the provided charging cable to charge Solution Turn off and restart the device If the problem persists after following these steps, contact Yibohe customer service for further practical solutions × Component Name Printed Circuit Assembly Housing Silicone Accessories Hazardous Substance Lead （Pb） Mercury （Hg） Cadmium （Cd） Hexavalent Chromium （Cr(VI)） Polybrominated Biphenyls （PBB） （PBDE） This table is prepared in accordance with SJ/T 11364 : Indicates that the hazardous substance in all homogeneous materials of this component is below the limit requirement specified in GB/T26572-2011 : Indicates that the hazardous substance in at least one homogeneous material of this component exceeds the limit requirement specified in GB/T26572-2011         Precautions prone to impact User Information User Name: Contact Number: Seller: Shipping Address: Remove debris between the teeth Tartar on the inner and outer sides of the front 6 teeth Curved Hoe Cleaning Tool： Left/Right-slanted Straight Hoe Cleaning Tool Tartar on the sides of the 8 molars on both left and right Curved Hoe Cleaning Tool Left/Right-slanted Straight Hoe Cleaning Tool Straight Dental Pick Curved Dental Pick Straight and Curved Dental Pick How to Use the Tartar Remover and Sickle- shaped Cleaning Tool Attachments? Tartar Remover Sickle-shaped Cleaning Tool Tartar Remover: Removes stains and tartar from the tooth surface and sides Sickle-shaped Cleaning Tool: Tartar and plaque in the gaps between teeth Grinds tartar and rough tooth surfaces Molar Tip Molar Tip： Please read this manual carefully before using the product. Friendly Reminder Ensure proper assembly before use to prevent falling or loosening How to Use the Medication Assembly? 1 2 How to Use the Tweezers for Special Purposes? Press the medication assembly onto the device Align with the application area and gently press to dispense Pick up the ulcer patch 贴 Stuck fish bones, tartar, or other foreign objects Medication Assembly: Tweezers: Tweezers: search "Yibohe" in the App Store to install   search "Yibohe" in the App store to install   Scan this QR code to download and install the App Press and hold the power button to turn on the care device Hold until the blue light turns on Open the App and tap "Connect Device" Return to the App and tap "Start" to begin use Accessory Box Curved Hoe-shaped Cleaning Tool Insert the tweezers into the device and press firmly Various oral scoop heads can be freely replaced and removed; simply tighten the screw to secure Press the dropper assembly onto the device until you hear a“click” Align and press until you hear a “click” Press the medication assembly onto the device first. After installation, draw in the liquid medication and powder (Note: add powder after attaching the medication head), align with the application area in the mouth, and gently press the assembly to dispense. Attach the medication head (Note: add powder after attaching the head) Insert the medication tube 3 4 1. Insert the tweezers into the appropriate position, use the lens to locate stuck fish bones, tartar, or other foreign objects, and then use the tweezers in front of the lens to remove them. 2. Insert the tweezers into the appropriate position, use the tweezers to pick up an ulcer patch, and then use the lens to align with the application area in the mouth. How to Use the Straight and Curved Dental Pick Attachments? Screw the straight or curved dental pick onto the lens clockwise, then use the lens to target and remove debris between the teeth. Tighten by screwing clockwise How to Use the Left/Right-slanted Straight Hoe and Curved Hoe Cleaning Tool Attachments? Screw the straight or curved dental pick onto the lens clockwise, then use the lens to target and remove debris between the teeth.Screw the straight hoe and curved hoe cleaning tools onto the lens clockwise, then use the lens to remove tartar and plaque between the teeth. Tighten by screwing clockwise Screw the tartar remover or sickle-shaped cleaning tool onto the lens clockwise, then use the lens to clean stains and tartar on the tooth surface and between teeth. Tighten by scre…

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ShenzhenXinshiZhizaoTechnologyCo.,Ltd. Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2025-11-19 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BSXH-K1PRO ShenzhenXinshiZhizaoTechnologyCo.,Ltd.(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. ShenzhenXinshiZhizaoTechnologyCo.,Ltd.(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24- 886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature) ContactName:LukeDai

ShenzhenXinshiZhizaoTechnologyCo.,Ltd. Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2025/11/19 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BSXH-K1PRO ShenzhenXinshiZhizaoTechnologyCo.,Ltd.(“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityorany ofitssubsidiariesoraffiliates)asanentityproducing“covered” equipment. Sincerely, (Applicantsignature) ContactName:LukeDai

ShenzhenXinshiZhizaoTechnologyCo.,Ltd. Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2025/11/19 Ref:AttestationStatementsPart2.911(d)(7)Filing FCCIDorGranteeCode:FCCID:2BSXH-K1PROor2BSXH ApplicantFRN:0037627247 ShenzhenXinshiZhizaoTechnologyCo.,Ltd.( “ theapplicant ” )certifiesthat,asofthedateofthefilingof theapplication,REPAmericaLLCisourdesignatedU.S.agentforserviceofprocessfortheabove referencedFCCID.ShenzhenXinshiZhizaoTechnologyCo.,Ltd.acceptstomaintainanagentfornoless thanoneyearafterthegranteehasterminatedallmarketingandimportationortheconclusionofany Commission-relatedproceedinginvolvingtheequipment. REPAmericaLLCaccepts,asofthedateofthefilingoftheapplication,theobligationofthedesignated U.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:REPAmericaLLC S.AgentFRN:0034192500 Address:350TerrySt.200Longmont,CO80501UnitedStates ContactPerson:MrBenXu Tel.:(719)201-3314 Email:[email protected] Sincerely, LukeDaiMrBenXu ShenzhenXinshiZhizaoTechnologyCo.,Ltd.REPAmericaLLC [InsertApplicantsignature][U.S.Agentsignature]

ShenzhenXinshiZhizaoTechnologyCo.,Ltd. Rev11/20/07 FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2BSXH-K1PRO. PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitType Schematics Blockdiagram Operationdescription Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,wealsorequest temporaryconfidentialtreatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitType Sincerely, (signature) LukeDai

FCCID:2BSXH-K1PRO Differencedeclaration WeShenzhenXinshiZhizaoTechnologyCo.,Ltd..applyforCE-RED/FCCIDcertification,product name:IntelligentOralCareDevice,model:K1Pro,K1,K1SE,K1plus,K1Ultra,YiboheK1,Yibohe K1Plus,YiboheK1Ultra,YiboheK1SE,K1Max,YiboheK1Pro,YiboheK1Max,YiboheMini, YiboheAir1,YiboheQ1,YiboheQ1SE,YiboheQ1Plus,YiboheQ1Pro,XSK1,XSQ1,XSK1Plus,XS K1Pro,XSK1SE,XSQ1Plus,XSQ1Pro,XSQ1SE. Theproducthasmanymodels,onlythemodelnameandcolorisdifferent,andtheotherparts suchasthecircuitprinciple,pcbandelectricalstructurearethesame..Therefore,themaintest modelselectedisK1Pro. Company:ShenzhenXinshiZhizaoTechnologyCo.,Ltd. Title:manager Name:LukeDai Signature:

ShenzhenXinshiZhizaoTechnologyCo.,Ltd. M:\MasterDocuments\TEMPLATES\POA_Letter.doc FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:2025/11/19 SUBJECT:FCCApplicationforFCCID:2BSXH-K1PRO ToWhomItMayConcern: We,theundersigned,herebyauthorizeMachaelMoatShenzhenDACETesting TechnologyCo.,Ltd.onourbehalf,toapplytotheFederalCommunicationsCommission onourequipment.AnyandallactscarriedoutbyShenzhenDACETestingTechnology Co.,Ltd.onourbehalfshallhavethesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection. Regards, (signature) LukeDai

FCCID:2BSXH-K1PRO External FCCID:2BSXH-K1PRO FCCID:2BSXH-K1PRO FCCID:2BSXH-K1PRO FCCID:2BSXH-K1PRO FCCID:2BSXH-K1PRO FCCID:2BSXH-K1PRO

LabelLocation: Label:25*10mm IntelligentOralCareDevice Model:K1ProFCCID:2BSXH-K1PRO MadeinChina

FCCID:2BSXH-K1PRO Internal FCCID:2BSXH-K1PRO ANT FCCID:2BSXH-K1PRO FCCID:2BSXH-K1PRO

Page1of1 RFExposureEvaluationReport 1RFEXPOSURE ProductName: IntelligentOralCareDevice ModelNo: K1Pro FCCID:2BSXH-K1PRO NOTE:accordingtoKDB447498D01GeneralRFExposureGuidancev06 ， Unlessspecifically requiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-g extremitySARevaluationforgeneralpopulationexposureconditions,bymeasurementornumerical simulation,isnotrequiredwhenthecorrespondingSARTestExclusionThresholdcondition(s), listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: TheEUTisaportabledevice [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Theproductisusedatadistanceof5mmfromthehumanbody. Here, 1.1EUTRFEXPOSUREEVALUATION OperationalMode:802.11b Channel (MHz) MaximumPeak Conducted OutputPower (dBm) Tuneup tolerance (dB) Maximum tune-up Power (dBm) Maximum tune-up Power (mW) Calculated value Exclusion threshold 24128.85 ±1 9.859.6612.9943 Conclusion:thecalculatedvalue≤3.0,SARisexempted.

高畅电子科技有限公司 SPECIFICATION FOR APPROVAL 2024101109 File No. 1.0 Rev ision CUSTOMER: ______________________________________ CUSTOMER NO: ______________________________________ 2.4G Antenna L=28MM PART NAME: ______________________________________ GC-ML18 L=28MM SUPPLIER NO: _____________________________________ Date: Q’TY: PCS CUSTOMER APPROVED BY APPROVAL CHIEF SUPERVISOR SUPPLIER SIGNATURE APPROVAL CHECK DESIGN SH-RD-F04-A Gao chang electronic technology co. LTD 承认书项目表 NO. （Contents） 1 （Spec Cover） 2 （Spec Item） 3 （Drawing） 4 （Test Reports） 5 （S Parameter） 6 （Gain Test ） 7 8 9 10 - 11 - 12 - - - - - - - （ Number （ Page of Page ） Code ） 1 1 1 2 1 3 1 4 1 5 1 6 The project table Test Reports Frequency Impedance V.S.W.R Return Loss Radiation Gain (Peak) Cable Loss Polarization Admitted Power Connector Electrical Properties Physical Properties Antenna Material 2.4GHz 50 0hm Nominal 1.92 : 1 Max -10 dB Max Omni-directional 1.94 dBi 3.2 dB / m Max @ 2450 MHz Linear, Vertical 1 W TUBE Cable Type The wire// L=28mm Operating Temp. -10 ~ +60 ̊C Storage Temp. -10 ~ +70 ̊C Cable Color BLACK S Parameter Test Agilent E5071C Gain Test Antenna Radiation Pattern VS Gain 90 -5 135 45 -15 -25 -35 -45 -35 -25 -15 -5 180 0 225 315 270 Efficiency

V1.0ReportNo.:DACE251010001RF001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 1 of 95 RFTESTREPORT For ShenzhenXinshiZhizaoTechnologyCo.,Ltd. ProductName:IntelligentOralCareDevice TestModel(s):K1Pro ReportReferenceNo.:DACE251010001RF001 FCCID:2BSXH-K1PRO Applicant’sName:ShenzhenXinshiZhizaoTechnologyCo.,Ltd. Address: Room1120,JinhaoBuilding,No.109,FuyongSection,GuangshenRoad, FenghuangCommunity,FuyongSubdistrict,Bao'anDistrict,Shenzhen City,China TestingLaboratory:ShenzhenDACETestingTechnologyCo.,Ltd. Address: 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark, TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen, Guangdong,China TestSpecificationStandard:47CFRPart15.247 DateofReceipt:October10,2025 DateofTest:October10,2025toOctober27,2025 DataofIssue:October27,2025 Result:Pass Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofShenzhenDACE TestingTechnologyCo.,Ltd.ThisdocumentmaybealteredorrevisedbyShenzhenDACETestingTechnology Co.,Ltd.personnelonly,andshallbenotedintherevisionsectionofthedocument.Thetestresultsinthe reportonlyapplytothetestedsample V1.0ReportNo.:DACE251010001RF001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 2 of 95 Applyforcompanyinformation Applicant’sName:ShenzhenXinshiZhizaoTechnologyCo.,Ltd. Address:Room1120,JinhaoBuilding,No.109,FuyongSection,Guangshen Road,FenghuangCommunity,FuyongSubdistrict,Bao'anDistrict, ShenzhenCity,China ProductName:IntelligentOralCareDevice TestModel(s):K1Pro SeriesModel(s):K1,K1SE,K1plus,K1Ultra,YiboheK1,YiboheK1Plus,YiboheK1 Ultra,YiboheK1SE,K1Max,YiboheK1Pro,YiboheK1Max,Yibohe Mini,YiboheAir1,YiboheQ1,YiboheQ1SE,YiboheQ1Plus,Yibohe Q1Pro,XSK1,XSQ1,XSK1Plus,XSK1Pro,XSK1SE,XSQ1Plus, XSQ1Pro,XSQ1SE TestSpecificationStandard(s):47CFRPart15.247 NOTE1: Themanufacturershouldensurethatallproductsinseriesproductionareinconformitywiththeproductsampledetailedin thisreport.Iftheproductinthisreportisusedinanyconfigurationotherthanthatdetailedinthereport,themanufacturer mustensurethenewsystemcomplieswithallrelevantstandards. Compiledby: Supervisedby: Approvedby: KerenHuang/TestEngineerBenTang/ProjectEngineerMachaelMo/Manager October27,2025October27,2025October27,2025 V1.0ReportNo.:DACE251010001RF001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 3 of 95 RevisionHistoryOfReport VersionDescriptionREPORTNo.IssueDate V1.0OriginalDACE251010001RF001October27,2025 V1.0ReportNo.:DACE251010001RF001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 4 of 95 CONTENTS 1TESTSUMMARY...................................................................................................................................................6 1.1TESTSTANDARDS........................................................................................................................................6 1.2SUMMARYOFTESTRESULT.........................................................................................................................6 2GENERALINFORMATION....................................................................................................................................7 2.1CLIENTINFORMATION..................................................................................................................................7 2.2DESCRIPTIONOFDEVICE(EUT)..................................................................................................................7 2.3DESCRIPTIONOFTESTMODES....................................................................................................................8 2.4DESCRIPTIONOFSUPPORTUNITS................................................................................................................8 2.5EQUIPMENTSUSEDDURINGTHETEST........................................................................................................9 2.6STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................11 2.7IDENTIFICATIONOFTESTINGLABORATORY.................................................................................................11 2.8ANNOUNCEMENT........................................................................................................................................11 3EVALUATIONRESULTS(EVALUATION)...........................................................................................................12 3.1ANTENNAREQUIREMENT............................................................................................................................12 3.1.1Conclusion:.................................................................................................................................12 4RADIOSPECTRUMMATTERTESTRESULTS(RF).........................................................................................13 4.1CONDUCTEDEMISSIONATACPOWERLINE................................................................................................13 4.1.1E.U.T.Operation:........................................................................................................................13 4.1.2TestSetupDiagram:...................................................................................................................13 4.1.3TestData:....................................................................................................................…

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FCCID:2BSXH-K1PRO ConductedEmissionatACpowerline Emissionsinfrequencybands(below1GHz) FCCID:2BSXH-K1PRO Emissionsinfrequencybands(above1GHz)