SFF-47450RC Stunt Car

FORWARD BACKWARD MUSIC SWITCH(SHORT PRESS)/ AUTO DEMO(LONG PRESS) POWER SWITCH LEFT TURN RIGHT TURN USE 2 X 1.5V "AA" SIZE BATTERIES(NOT INCLUDED) USE 3.7V BATTERY PACK(INCLUDED) 3.7V BATTERY USB charger CAR CHARGING INSTRUCTIONS: RECHARGEABLE BATTERY BATTERY INSTALLATION - Remove the safety screw from the battery compartment cover and make sure the positive (+) and negative (-) poles are in the correct position as shown in the diagram. - Put the battery compartment cover back and fasten the cover by the safety screw. This device complies with Part 15 of the FCC Rules. Operation is subject to 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. FCC ID: XXX / 2.4GHz Batteries included (Li-ion Battery 3.7V BATTERY x 1). Batteries not included (2 x 1.5V “AA”). Radio frequency: 2.4 GHz BATTERY INSTRUCTIONS ATTENTION: Batteries should be installed only by an adult. - Be sure to insert batteries in the correct polarity positions. - Use only batteries of the same or equivalent type as specified - Never mix old and new batteries. Replace all batteries at the same time. - Do not mix alkaline, standard and rechargeable batteries together in the battery compartment. Use only one battery type. - Do not use rechargeable batteries in this product. - Do not attempt to recharge non-rechargeable batteries. - Promptly remove used batteries from the product. - Remove batteries from the product before extended storage or product disposal. - Do not dispose of batteries in fire; batteries may explode or leak. - To prevent short-circuit of battery terminals, keep battery compartment free of all materials except batteries. - Do not throw batteries in household garbage; dispose of them at battery collection stations or special garbage sites. FCC Statement 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 mustaccept any interference received, including interference that may cause undesired operation. 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. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment complies with the FCC radiation exposure limits set forth for an uncontrolled environment, This transmitter must not be co- located or operating in conjunction with any other antenna or transmitter. The device can be used in portable exposure conditions without restriction.

AUXOINTERNATIONALLTD CoveredEquipmentCertificationAttestationLetter 6/27/2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:SFF-47450 AUXOINTERNATIONALLTD(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. AUXOINTERNATIONALLTD(“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredList(asaspecifically namedentityoranyofitssubsidiariesoraffiliates)asanentityproducing“covered” equipment. AUXOINTERNATIONALLTD(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedor providedbyKasperskyLab,Inc.oranyofitssuccessorsandassignees,including equipmentwithintegratedKasperskyLab,Inc.(oranyofitssuccessorsandassignees) cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446D01 CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:EdwardChan Title:Director CompanyName:AUXOINTERNATIONALLTD Date:6/27/2026

AUXOINTERNATIONALLTD * theapplicantmustdesignateacontactlocatedintheUnitedStatesforpurposesofactingasthe applicant’sagentforserviceofprocess,regardlessofwhethertheapplicantisadomesticorforeign entity.AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforserviceofprocess. U.S.AgentDesignationforServiceofProcess- CertificationAttestationLetter 6/27/2026 TO:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 ATTN.:ReviewingEngineer FCCID:SFF-47450 FRNofapplicant:0022577027 Persection2.911(d)(7)oftheFCCrules,[AUXOINTERNATIONALLTD](“theapplicant”)certifies thattheequipmentforwhichauthorizationissoughtisdesignatedtothefollowingU.S.agent* forserviceofprocess: CompanyName:LOBOSIOWAINC FCCRegistrationNumber(FRN):0036413961 PhysicalU.S.CompanyAddress:4623BittercreekDrColoradoSpringsco80922UnitedStates ContactPerson:HarleyLi AgentEmailAddress:[email protected] Theabovecontactpersonacceptstheobligationforserviceofprocess. Theapplicantacceptstomaintainanagentfornolessthanoneyearafterthegranteehas terminatedallmarketingandimportationortheconclusionofanyCommission-related proceedinginvolvingtheequipment. ApplicantSigned: Signed: Printedname:EdwardChan Title:Director CompanyName:AUXOINTERNATIONALLTD Date:6/27/2026 AgentSigned(ifdifferentfromApplicant): Signed: Printedname:HarleyLi Title:Manager CompanyName:LOBOSIOWAINC Date:6/27/2026

AUXOINTERNATIONALLTD Date:2025-06-27 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 RE:LETTEROFAGENTAUTHORIZATION FCCID:SFF-47450 ToWhomItMayConcern: We,theundersigned,herebyauthorizeComplianceTesting,LLCtoactonourbehalfinallmatters relatingtoapplicationforequipmentauthorization,includingthesigningofalldocumentsrelatingto thesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothedenialof benefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21 U.S.C.853(a). Signature PrintedName:EdwardChan Company:AUXOINTERNATIONALLTD JobTitle:Director Email:[email protected] Telephone:+86(852)31686631

AUXOINTERNATIONALLTD RequestforLong-TermConfidentialityLetter-FCC Date:Jun.29,26 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 Re:RequestforLong-Termconfidentiality FCCID:SFF-47450 Towhomitmayconcern, Weherebyrespectfullyrequestthatundertheprovisionof47CFR0.459and0.457(d)the documentslistedbelowandattachedwiththisapplicationforcertificationbeprovidedwithLong- Termconfidentialstatus.  Schematics  OperationalDescription FrequencyBlockDiagrams  Anyexhibit/informationforwhichwehaverequestedconfidentiality,butwhichmaynotbe accordedsuchtreatmentbytheFCC,shouldbereturnedtous. Thedocumentslistedabovecontaintradesecretsthataretreatedasconfidentialbyus. Substantialcompetitiveharmtouscouldresultshouldtheybemadeavailabletothepublic. Sincerelyyours, Signature PrintedName:EdwardChan Company:AUXOINTERNATIONALLTD JobTitle:Director Email:[email protected] Telephone:+86(852)31686631

AUXOINTERNATIONALLTD RequestforShort-TermConfidentialityLetter-FCC Date:Jun.29,26 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 Re:RequestforShort-Termconfidentiality FCCID:SFF-47450 Towhomitmayconcern, Weherebyrespectfullyrequestthatundertheprovisionof47CFR0.459and0.457(d)the documentslistedbelowandattachedwiththisapplicationforcertificationbeprovidedwithShort- Termconfidentialstatusfor180daysfromthedateofthegrant. ExternalPhotos TestSetupPhotos InternalPhotos Anyexhibit/informationforwhichwehaverequestedconfidentiality,butwhichmaynotbe accordedsuchtreatmentbytheFCC,shouldbereturnedtous. Thedocumentslistedabovecontaintradesecretsthataretreatedasconfidentialbyus. Substantialcompetitiveharmtouscouldresultshouldtheybemadeavailabletothepublic. Sincerelyyours, Signature PrintedName:EdwardChan Company:AUXOINTERNATIONALLTD JobTitle:Director Email:[email protected] Telephone:(852)31686631

FCCID:SFF-47450 L*W:20mm*8mm labelandWhitefont

ReportNo.:86260603267Date:June23,2026Page1of5 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,thetestsconductedandthecorrectnessofthereport contents. RFTESTREPORT Applicant:AUXOINTERNATIONALLTD Address:Rm1425,BlockA,HoiLuenInd.Ctr.,55HoiYuenRd.,KwunTong,HK Manufacturer:AUXOINTERNATIONALLTD Address:Rm1425,BlockA,HoiLuenInd.Ctr.,55HoiYuenRd.,KwunTong,HK EUTName:RCStuntCar Trademark:/ Model:47450 FCCID ：SFF-47450 Rating:DC3V SampleReceived Date: Jun.3,2026 TestDate:Jun.3,2026~Jun.15,2026 Applicable Standards: 47CFR2.1093 TestResultPass Preparedby:Approvedby: EvanFang/ProjectEngineerBruceZhang/TechnicalManager ReportNo.:86260603267 June23,2026 Page2of5 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,thetestsconductedandthecorrectnessofthereport contents. RevisionHistory VersionDateofIssueDescription V00Jun.23,2026OriginalVersion ReportNo.:86260603267 June23,2026 Page3of5 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,thetestsconductedandthecorrectnessofthereport contents. 1.EUTDESCRIPTION Product: RCStuntCar TestModel:47450 AdditionalModel:N/A Rating:DC3V FCCID:SFF-47450 AntennaType:PCBAntenna AntennaGain:0dBi OperationFrequency: 2407-2477MHz NumberofChannels: 3 ModulationType:GFSK HardwareVersion:V1.0 SoftwareVersion:V1.0 Note: 1)Foramoredetailedfeaturesdescription,pleaserefertothemanufacturer'sspecificationsorthe User'sManual. 2)Antennagainwasprovidedbytheapplicant/manufacturer,andtheapplicant/manufactureris responsibleforitsvalidity. 3)Thetestresultsinthereportonlyapplytothetestedsample. ReportNo.:86260603267 June23,2026 Page4of5 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe d…

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第1页/共计4页 ConfirmationofSample TheMainAntennaSampleConfirmation Customer SailYiDetechnologyCo.,LTD ProjectName SN0463 日期 2021--08--16 Date ProjectNO. SN0463 备注 PCBANT Notes FrequencyRange 2.4G(2407MHz--2477MHz) AntennaGain 0dbi DesignedBy RFEngineer StructuralEngineer Zhangping CheckedBy EngineeringManager Client’sApproval Designer：SINAWELLElectronics(Shenzhen)Co.,Ltd. Add：712-717,BlockAJinfulaiBuilding,49-1DabaoRoad,Xinan28 th area,BaoanDistrict,Shenzhen,China 第 1 页 / 共计 4 页 Confi rmati onof Samp le 1.Specificationoverview ThisspecificationdescribestheconditionoftheboardIoadantenna, whichhasafrequencybandof2.4G. Antennaappearance 第 1 页 / 共计 4 页 3.1. Antennaband Antennaband 2.4G (MHz) 2407MHz-2477MHz 3.2.matchcircuit Horizontal:2407MHz2450MHz2577MHz Power(dBm) Max:0Min:-40Scale:5/div 第 1 页 / 共计 4 页 第3页/共计4页 Vertical:2407MHz2477MHz2500MHzPower(dBm) Max:0Min:-30Scale:5/div

ReportNo.:86260603266Date:June23,2026Page1of28 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,thetestsconductedandthecorrectnessofthereport contents. RFTESTREPORT Applicant:AUXOINTERNATIONALLTD Address:Rm1425,BlockA,HoiLuenInd.Ctr.,55HoiYuenRd.,KwunTong,HK Manufacturer:AUXOINTERNATIONALLTD Address:Rm1425,BlockA,HoiLuenInd.Ctr.,55HoiYuenRd.,KwunTong,HK EUTName:RCStuntCar Trademark:/ Model:47450 FCCID ：SFF-47450 Rating:DC3V SampleReceived Date: Jun.3,2026 TestDate:Jun.3,2026~Jun.15,2026 Applicable Standards: FCC47,CFRPart15.249 TestResultPass Preparedby:Approvedby: EvanFang/ProjectEngineerBruceZhang/TechnicalManager ReportNo.:86260603266 June23,2026 Page 2 of 28 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,thetestsconductedandthecorrectnessofthereport contents. RevisionHistory VersionDateofIssueDescription V00Jun.23,2026OriginalVersion ReportNo.:86260603266 June23,2026 Page3of28 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,thetestsconductedandthecorrectnessofthereport contents. TABLEOFCONTENTS 1.TESTSUMMARY............................................................................................................4 2.TESTSITE.......................................................................................................................5 2.1.TestFacility...............................................................................................................................5 2.2.MeasurementUncertainty........................................................................................................5 2.3.TestEnvironmentCondition.....................................................................................................5 3.TESTEQUIPMENTLIST.................................................................................................6 4.EUTDESCRIPTION.................…

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