2A9WK-QSK3-SSK3RD stylish mode

Bluetooth Camera Controller Mounting Groove Compass Anti-slip Silicone Vent Hole Camera window Maximum diving depth with this case is 15 meters. Ensure the case-release latch is securely fastened and the seal is tightly closed before diving. If the camera window is fogged up,keep the desiccant inside the case at least for 10 minutes before putting the case into the water. Do not dump this product and its accessories as daily trash. 1.Long press around 3 seconds to open the Bluetooth of controller before using, open the Bluetooth of phone test whether the controller function is in normal use. 1.Twist the screw and open the side Airtight cap 2.Pull out the tray using the handle. 4.Place the tray together with the phone into the diving case. 5.Close the side sealing cover and fasten the case-release latch. Installation is complete. 3.Put the phone into inner plate and use the suction cup to suck the back of the phone to prevent the phone from loosening. The position of the mobile phone camera must be aligned with the camera window. Newly upgraded design, compatible with most mobile phone models such as iPhone and Samsung, with a compatibility rate of over 98%. Please follow your local rules to handle and recycle. After every-time using,immerse the completely locked case in fresh water for 20 minutes,then wipe the case with soft fibre cloth and keep in a dry place. Do not expose the case under the high temperature environment or beside heating equipments,e.g.hot sunshine,oven,or water heater. Do not use the case in sulfur-bearing hot spring. Do not take the case apart or outfit,privately,otherwise the waterproof function may be descended. it is not suggested you rent or lend this case to others in case of any disputes. This product is not a toy, adults must have custody of the children. Please do waterproof test to this case before installing your phone. Tear off any protective tempered glass or film from the phone screen and wipe the phone screen with fibre cloth,make sure the screen is clean before installing the phone into the case. Conduct waterproof test before diving. Test the camera shutter button after every-time installation,make sure it is able to rebound after pressing. Maximum diving depth is 15meters,over 15 meters is not guaranteed. Stop using this case if the sealing ring is damaged or deformed. Only the self-contained or manufacturer approved accessories could be used, other accessories may violate the local rules and possible safety issue may occur. Please contact customer service if you need approved accessories. Operation and maintenance Keep away from Children. Installation premise Accessories Installation steps Environment protection Please read the below instructions carefully before using this case. Strictly follow the installation & disassembly instructions every time when using. Product appearance Attention Compatible Phone Model Reminder Installation instructions Power button Shutter 6 Charging time：Standard charging approx 2 hours Battery capacity：3.7V 110mAh Signal distance: Signal propagation range on land 18m Bluetooth remote control has limited signal underwater; cannot be used separately from the diving housing. Bluetooth device Lower left button: Long press this button when the phone screen is off to directly activate the camera function. During charging, the four blue lights at the bottom will illuminate progressively. When fully charged, these four blue lights will remain steadily lit. When the battery is low, the four blue lights at the bottom will turn off. During power-on pairing, the blue light at the top will flash; once pairing is successful, the light will turn off. Each press of the button will trigger a single flash of the top blue light. The Bluetooth controller will automatically power off after 1 hour of inactivity and disconnect from the phone. Long press the power button to turn it on, and it will automatically reconnect to the phone upon startup. PRECAUTIONS FOR USE 1.After installing the diving case, the phone's touch functionality will be disabled, rendering the screen unusable. 2.The mobile phone needs to complete Bluetooth connecting with the case before diving; 3.If the mobile phone is set with the rest screen function, the rest screen function needs to be turned off before diving in order to take pictures/ photography functions underwater at any time, 4.The Bluetooth remote control has limited signal under water and cannot be separated from the diving case underwater. 5.Note: The IOS system needs to be turned on "Settings" - "Accessibility" - "Turn on zoom" (Double-tap three fingers to restore to original size after turn on zoom) Press and hold the shooting button for 3 seconds to power on, and the blue light will flash continuously. Press and hold for 3 seconds again to power off. Select SHELL BOX-BT-PRO to pair your phone and then can be used normally. 12 3 4 6 5 78 9 Grip Position 4 3 Type-C Charging Port 吸盘 相机窗口 The foam area is located at the lower part of the tray's back. Foam Zone The foam is designed to hold the phone in place, enabling unobstructed screen operation. The default configuration is thick foam. If the phone fits tightly when placed, you may opt for the complimentary thin foam provided separately. The device shall not be operated normally during charging. Fasten the USB plug securely prior to water exposure. RD Stylish Model 3 Mode d'emploi Gebruiksaanwijzing Instrucciones de uso Istruzioni per l'uso

Rev1/26/2023 (ShenzhenYiseTechnologyCo.,Ltd) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:3/5/2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2A9WK-QSK3-SSK [ShenzhenYiseTechnologyCo.,Ltd]certifiesthattheequipmentforwhichauthorizationissoughtisnot “covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903of theFCCrules. [ShenzhenYiseTechnologyCo.,Ltd]certifiesthattheequipmentforwhichauthorizationissoughtdoes notincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc.oranyofits successorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofits successorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446 D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, LincolnLin/Manager Rev1/26/2023 (ShenzhenYiseTechnologyCo.,Ltd) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:3/5/2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2A9WK-QSK3-SSK [ShenzhenYiseTechnologyCo.,Ltd]certifiesthat,asofthedateofthefilingoftheapplication,the applicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiariesor affiliates)asanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname)LincolnLin/Manager

ShenzhenYiseTechnologyCo.,Ltd ‘Date：2026-3-5 ProductModelNumber:DB-qsk-03-ssk FCCID:2A9WK-QSK3-SSK Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:LincolnLin/Manager Email:[email protected] Telephone:13538218145 Onbehalfof:ShenzhenYiseTechnologyCo.,Ltd

ShenzhenYiseTechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:March4,2026 Subject;RequestforConfidentiality FCCID:2A9WK-QSK3-SSK ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure SoftwareSecurityRequirementsforUNIIdevices Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:LincolnLin Title:Manager

AnnexA ExternalPhotos TestModelNo.:DB-qsk-03-ssk Page 1 of3 AnnexA ExternalPhotos TestModelNo.:DB-qsk-03-ssk Page 2 of3 AnnexA ExternalPhotos TestModelNo.:DB-qsk-03-ssk Page 3 of3

Size:10*0.5mm FCCID:2A9WK-QSK3-SSK

AnnexB InternalPhotos TestModelNo.：DB-qsk-03-ssk Page 1 of4 AnnexB InternalPhotos TestModelNo.：DB-qsk-03-ssk Page 2 of4 AnnexB InternalPhotos TestModelNo.：DB-qsk-03-ssk Page 3 of4 AnnexB InternalPhotos TestModelNo.：DB-qsk-03-ssk Page 4 of4 PCBantenna

MAXTestingCo.,Ltd.ReportNo.:MAX260200130P01-R01RF RFTESTREPORT ReportReferenceNo. ....................... :MAX260200130P01-R01RF FCCID.................................................:2A9WK-QSK3-SSK Compiledby (position+printedname+signature)..: Engineer/CindyZheng Supervisedby (position+printedname+signature)..: Manager/HaleyWen Approvedby (position+printedname+signature)..: RFManager/VivianJiang Dateofissue ......................................... :March9,2026 TestingLaboratoryName ................ : MAXLABTestingCo.,Ltd. Address.................................................: 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict, Shenzhen,Guangdong,518052,People’sRepublicofChina Applicant’sname ............................... : ShenzhenYiseTechnologyCo.,Ltd Address.................................................: 201,BuildingA,DingshengKechuangPark,No.64,LongwoRoad 2,LongtianCommunity,LongtianStreet,Pingshandistrict,Shenzhen City,GuangdongProvince Testspecification..............................: Standard ................................................ :KDB447498D01GeneralRFExposureGuidancev06 MAXLABTestingCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe MAXLABTestingCo.,Ltd.isacknowledgedascopyrightownerandsourceofthematerial.MAXLABTesting Co.,Ltd.takesnoresponsibilityforandwillnotassumeliabilityfordamagesresultingfromthereader's interpretationofthereproducedmaterialduetoitsplacementandcontext. Testitemdescription........................: 3RDstylishmode TradeMark............................................: Manufacturer ......................................... : ShenzhenYiseTechnologyCo.,Ltd Model/Typereference.........................: DB-qsk-03-ssk ListedModels ...................................... : N/A Modulation...........................................:GFSK Frequency..............................................From2402MHzto2480MHz Rating.....................................................:DC3.7VFromBatteryorDC5VbyUSBport Result ..................................................... :PASS MAXTestingCo.,Ltd.ReportNo.:MAX260200130P01-R01RF RFEXPOSUREEVALUATIONMETHOD AccordingtoKDB447498D01GeneralRFExposureGuidancev06,Unlessspecificallyrequiredbythe publishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-gextremitySARevaluation forgeneralpopulationexposureconditions,bymeasurementornumericalsimulation,isnotrequiredwhen thecorrespondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtestexclusion thresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]·[√f (GHz) ] ≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeusedto evaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF)Radiation asspecifiedin§1.1307(b) EUTSpecification Frequencyband(Operating)WLAN:2.412GHz~2.462GHz WLAN:5.150GHz~5.250GHz WLAN:5.725GHz~5.850GHz OthersBT:2402-2480MHz DevicecategoryPortable(<20cmseparation) Mobile(>20cmseparation) Others Exposureclassification3.0for1-gSARand≤7.5for10-gextremitySAR AntennadiversitySingleantenna Multipleantennas Txdiversity Rxdiversity Tx/Rxdiversity Max.outputpower2.87dBm(0.00194W) Antennagain(Max)1.68dBi EvaluationappliedMPEEvaluation SAREvaluation MAXTestingCo.,Ltd.ReportNo.:MAX260200130P01-R01RF RFEXPOSUREEVALUATIONMETHOD SARTestExclusionThresholdsfor100MHz–6GHzand≤50mm ApproximateSARTestExclusionPowerThresholdsatSelectedFrequenciesandTestSeparation DistancesareillustratedinthefollowingTable. The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis ≤ 50 mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtest exclusion. MAXTestingCo.,Ltd.ReportNo.:MAX260200130P01-R01RF Maximummeasuredtransmitterpower. BLE Operating Mode Freque ncy Measur ed Power max. power Antenna Gain min.test separation distance [√f(GHz)] ResultLimit (MHz)(dBm)(mW)(dBi)(mm) GFSK 24022.211.661.6851.5500.51563 24402.421.751.6851.5620.54543 24802.871.941.6851.5750.60993 The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)] ThetestResultislessthan3.0for1-gSARand≤7.5for10-gextremitySAR. Conclusion:NoSARisrequired.

MAXLABTestingCo.,Ltd. ReportNo.:MAX26020013P01-R01 Page 1 of29 FCCPART15SUBPARTCTESTREPORT FCCPART15.247 ReportReferenceNo........................:MAX26020013P01-R01 FCCID. ................................................ :2A9WK-QSK3-SSK Compiledby (position+printedname+signature)..: Engineer/CindyZheng Supervisedby (position+printedname+signature) .. : Manager/HaleyWen Approvedby (position+printedname+signature)..: RFManager/VivianJiang Dateofissue ......................................... :March9,2026 TestingLaboratoryName ................ : MAXLABTestingCo.,Ltd. Address.................................................: 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict, Shenzhen,Guangdong,518052,People’sRepublicofChina Applicant’sname ............................... : ShenzhenYiseTechnologyCo.,Ltd Address.................................................: 201,BuildingA,DingshengKechuangPark,No.64,LongwoRoad 2,LongtianCommunity,LongtianStreet,Pingshandistrict,Shenzhen City,GuangdongProvince Testspecification..............................: Standard................................................: FCCPart15.247 MAXLABTestingCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe MAXLABTestingCo.,Ltd.isacknowledgedascopyrightownerandsourceofthematerial.MAXLAB TestingCo.,Ltd.takesnoresponsibilityforandwillnotassumeliabilityfordamagesresultingfromthe reader'sinterpretationofthereproducedmaterialduetoitsplacementandcontext. Equipmentdescription.....................:3RDstylishmode TradeMark ............................................ : Manufacturer.........................................: ShenzhenYiseTechnologyCo.,Ltd Model/Typereference ......................... : DB-qsk-03-ssk ListedModels ...................................... : N/A Modulation ........................................... :GFSK Frequency..............................................From2402MHzto2480MHz Ratings...................................................: DC3.7VFromBatteryorDC5VbyUSBport Result ..................................................... :PASS MAXTestingCo.,Ltd. ReportNo.:MAX26020013P01-R01 Page2of31 TESTREPORT EquipmentunderTest:3RDstylishmode Model/Type:DB-qsk-03-ssk ListedModels:N/A ModelDeclaration:/ Applicant : ShenzhenYiseTechnologyCo.,Ltd Address: 201,BuildingA,DingshengKechuangPark,No.64,LongwoRoad 2,LongtianCommunity,LongtianStreet,Pingshandistrict,Shenzhen City,GuangdongProvince Manufacturer : ShenzhenYiseTechnologyCo.,Ltd Address: 201,BuildingA,DingshengKechuangPark,No.64,LongwoRoad 2,LongtianCommunity,LongtianStreet,Pingshandistrict,Shenzhen City,GuangdongProvince TestResult:PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. MAXTestingCo.,Ltd. ReportNo.:MAX26020013P01-R01 Page3of31 Contents 1TESTSTANDARDS..............................................................................................................................4 2SUMMARY.................................................................................................................................................5 2.1GeneralRemarks..........................................................................................................................................5 2.2ProductDescription.....................................................................................................................................5 2.3EquipmentUnderTest.................................................................................................................................5 2.4ShortdescriptionoftheEquipmentunderTest(EUT).............................................................................5 2.5EUToperationmode.....................................................................................................................................6 2.6BlockDiagramofTestSetup.......................................................................................................................6 2.7RelatedSubmittal(s)/Grant(s)...................................................................................................................6 2.8Modifications...............................................................................................................................................6 3TESTENVIRONMENT........................................................................................................................7 3.1Addressofthetestlaboratory....................................................................................................................7 3.2TestFacility...................................................................................................................................................7 3.3Environmentalconditions............................................................................................................................7 3.4Summaryofmeasurementresults..............................................................................................................8 3.5Statementofthemeasurementuncertainty..............................................................................................8 3.6EquipmentsUsedduringtheTest..............................................................................................................9 4TESTCONDITIONSANDRESULTS.......................................................................................11 4.1ACPowerConductedEmission................................................................................................................11 4.2RadiatedEmissionsandBandEdge........................................................................................................14 4.3MaximumPeakOutputPower...................................................................................................................21 4.4PowerSpectralDensity.................................…

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DongGuanSYLTechnologyCO.,LTD AntennaSpecification Manufacture：SYL ProductName：PD_P25121_QSK3_SSKAntenna AntennaType：PCB TestDate：2025/10/20 Testedby ：CheckedBy:ApprovedBy: ChengMingWeiDuLinQianCongGen DongGuanSYLTechnologyCO.,LTD 1.GeneralDescription Manufacturer：DongGuanSYLTechnologyCO.,LTD Address： Room203,DongHuiIndustrialPark,No.198DaTangRoad, DongGuan,GuangDong,China ProductName： PD_P25121_QSK3_SSKAntenna Productmodel： PD_P25121_QSK3_SSK AntennaType ：PCBAntenna TestFrequency ：2400-2500MHz AntennaGain ：1.68dBi VSWR ：＜ 1.4 Impedance ：50Ω Polarization：Linear DongGuanSYLTechnologyCO.,LTD 2.Antennasize: DongGuanSYLTechnologyCO.,LTD 3.GainandEfficiency Frequency 2.44GHz XY-PlaneXZ-PlaneYZ-Plane Efficiency （ % ） Average-0.5-3.6-3.0 60.2% Peak1.351.681.11 DongGuanSYLTechnologyCO.,LTD 4.ReturnLoss 5.XY-Plane DongGuanSYLTechnologyCO.,LTD 6.XZ-Plane DongGuanSYLTechnologyCO.,LTD 8.3DRadiationPatternDiagram 7.YZ-Plane DongGuanSYLTechnologyCO.,LTD 10.TestSetupPhoto

Testsetup TestModelNo.:DB-qsk-03-ssk Testsetup TestModelNo.:DB-qsk-03-ssk