2BWWT-SK2Magnetic Levitation Speaker

FCC Requirement 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. lf 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. _ lncrease 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.

Rev1/26/2023 (SHENZHENWEIKUYITECHNOLOGYCO.,LTD) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:29/8/2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BWWT-SK2 [SHENZHENWEIKUYITECHNOLOGYCO.,LTD]certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. [SHENZHENWEIKUYITECHNOLOGYCO.,LTD]certifiesthattheequipmentforwhichauthorizationis soughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc. oranyofitssuccessorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyof itssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB 986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, ChengxiuTang/CEO Rev1/26/2023 (SHENZHENWEIKUYITECHNOLOGYCO.,LTD) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:29/8/2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BWWT-SK2 [SHENZHENWEIKUYITECHNOLOGYCO.,LTD]certifiesthat,asofthedateofthefilingoftheapplication, theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiaries oraffiliates)asanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname)ChengxiuTang/CEO

SHENZHENWEIKUYITECHNOLOGYCO.,LTD Date:2026-8-29 DearSir/Madam, We,SHENZHENWEIKUYITECHNOLOGYCO.,LTD.Herebydeclaresthe,following statement Productname:MagneticLevitationSpeaker FCCID:2BWWT-SK2 Modelno.:SK3,SK4,SK5,SK6,SK8;PCBboard,circuit,structureandinternalofthese model(s)arethesame,Onlymodelnumberandcoloraredifferentforthesemodel: Sincerely, Name/Title:ChengxiuTang/CEO Company:SHENZHENWEIKUYITECHNOLOGYCO.,LTD Address:513N,5/F,Bldg6,No.18Tairan8thRd,Tian'anCommunity,ShatouStreet,Futian District,Shenzhen,China Phone:13689597389 E-Mail:[email protected]

SHENZHENWEIKUYITECHNOLOGYCO.,LTD ‘Date：2026-8-29 ProductModelNumber:SK2,SK3,SK4,SK5,SK6,SK8 FCCID:2BWWT-SK2 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:ChengxiuTang/CEO Email:[email protected] Telephone:13689597389 Onbehalfof:SHENZHENWEIKUYITECHNOLOGYCO.,LTD

SHENZHENWEIKUYITECHNOLOGYCO.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:August28,2026 Subject;RequestforConfidentiality FCCID:2BWWT-SK2 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:ChengxiuTang Title:CEO

AnnexA ExternalPhotos TestModelNo.:SK2 Page 1 of6 AnnexA ExternalPhotos TestModelNo.:SK2 Page 2 of6 AnnexA ExternalPhotos TestModelNo.:SK2 Page 3 of6 AnnexA ExternalPhotos TestModelNo.:SK2 Page 4 of6 AnnexA ExternalPhotos TestModelNo.:SK2 Page 5 of6 AnnexA ExternalPhotos TestModelNo.:SK2 Page 6 of6

Size:2cm*3cm MagneticLevitationSpeaker Model:SK2 FCCID:2BWWT-SK2

AnnexB InternalPhotos TestModelNo.：SK2 Page 1 of6 AnnexB InternalPhotos TestModelNo.：SK2 Page 2 of6 AnnexB InternalPhotos TestModelNo.：SK2 Page 3 of6 PCBantenna AnnexB InternalPhotos TestModelNo.：SK2 Page 4 of6 AnnexB InternalPhotos TestModelNo.：SK2 Page 5 of6 AnnexB InternalPhotos TestModelNo.：SK2 Page 6 of6

MAXLABTestingCo.,Ltd.ReportNo.:MAX26080066P01-R01RF RFTESTREPORT ReportReferenceNo. ....................... :MAX26080066P01-R01 FCCID. ................................................ :2BWWT-SK2 Compiledby (position+printedname+signature)..: Engineer/CindyZheng Supervisedby (position+printedname+signature) .. : Manager/HaleyWen Approvedby (position+printedname+signature) .. : RFManager/VivianJiang Dateofissue ......................................... :September1,2026 TestingLaboratoryName ................ :MAXLABTestingCo.,Ltd. Address.................................................: 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict, Shenzhen,Guangdong,518052,People’sRepublicofChina Applicant’sname...............................:SHENZHENWEIKUYITECHNOLOGYCO.,LTD Address.................................................: 513N,5/F,Bldg6,No.18Tairan8thRd,Tian'anCommunity,Shatou Street,FutianDistrict,Shenzhen Testspecification..............................: Standard................................................:FCC1.1310 MAXLABTestingCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongastheMAXLAB TestingCo.,Ltd.isacknowledgedascopyrightownerandsourceofthematerial.MAXLABTesting Co.,Ltd.takesnoresponsibilityforandwillnotassumeliabilityfordamagesresultingfromthereader's interpretationofthereproducedmaterialduetoitsplacementandcontext. Testitemdescription........................:MagneticLevitationSpeaker TradeMark ............................................ : N/A Manufacturer ......................................... : SHENZHENWEIKUYITECHNOLOGYCO.,LTD Model/Typereference.........................: SK2 ListedModels......................................: SK3,SK4,SK5,SK6,SK8 ModulationType...................................:GFSK,π/4DQPSK,8-DPSK OperationFrequency..........................:From2402MHzto2480MHz Rating ..................................................... :DC3.7VFromBatteryorDC5VbyUSBport Result ..................................................... :PASS MAXLABTestingCo.,Ltd.ReportNo.:MAX26080066P01-R01RF RFEXPOSUREEVALUATIONMETHOD 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 BT:2402-2480MHz DevicecategoryPortable(<20cmseparation) Mobile(>20cmseparation) Others Exposureclassification 3.0for1-gSARand≤7.5for10-gextremitySAR AntennadiversitySingleantenna Multipleantennas Txdiversity Rxdiversity Tx/Rxdiversity Max.outputpower4.18dBm(0.00262W) Antennagain(Max)-0.58dBi EvaluationappliedMPEEvaluation SAREvaluation MAXLABTestingCo.,Ltd.ReportNo.:MAX26080066P01-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. MAXLABTestingCo.,Ltd.ReportNo.:MAX26080066P01-R01RF Maximummeasuredtransmitterpower. BR/EDR+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 24024.182.62-0.5851.5500.81163 24413.402.19-0.5851.5620.68363 24803.882.44-0.5851.5750.76963 π/4DQPSK 24022.751.88-0.5851.5500.58393 24412.831.92-0.5851.5620.59953 24804.122.58-0.5851.5750.81333 8-DPSK 24023.132.06-0.5851.5500.63733 24413.282.13-0.5851.5620.66503 24804.432.77-0.5851.5750.87353 GFSK 24023.942.48-0.5851.5500.76793 24402.961.98-0.5851.5620.61763 24803.592.29-0.5851.5750.71993 Conclusion:NoSARisrequired.

Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Photo & Length (mm) Manufacture Texas Instruments Semiconductor Technology (Shanghai) Co., Ltd . Address No.72 Liangxiu Road, Zhangjiang Hi-Tech Park, Pudong New Area, Shanghai 201203, P.R.China MAX. Gain -0.58dBi Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432

MAXLABTestingCo.,Ltd.ReportNo.:MAX26080066P01-R01 Page 1 of46 FCCPART15SUBPARTCTESTREPORT FCCPART15.247 ReportReferenceNo. ....................... :MAX26080066P01-R01 FCCID. ................................................ :2BWWT-SK2 Compiledby (position+printedname+signature)..: Engineer/CindyZheng Supervisedby (position+printedname+signature) .. : Manager/HaleyWen Approvedby (position+printedname+signature)..: RFManager/VivianJiang Dateofissue ......................................... :September1,2026 TestingLaboratoryName................: MAXLABTestingCo.,Ltd. Address.................................................: 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict, Shenzhen,Guangdong,518052,People’sRepublicofChina Applicant’sname...............................: SHENZHENWEIKUYITECHNOLOGYCO.,LTD Address ................................................. : 513N,5/F,Bldg6,No.18Tairan8thRd,Tian'anCommunity,Shatou Street,FutianDistrict,Shenzhen Testspecification .............................. : Standard................................................: FCCPart15.247 ANSIC63.10-2020+Cor.1-2023+C63.10a-2024+Erratato C63.10a-2024 KDB558074D01V05r02:April2,2019 MAXLABTestingCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe MAXLABTestingCo.,Ltd.isacknowledgedascopyrightownerandsourceofthematerial.MAXLAB TestingCo.,Ltd.takesnoresponsibilityforandwillnotassumeliabilityfordamagesresultingfromthe reader'sinterpretationofthereproducedmaterialduetoitsplacementandcontext. Testitemdescription ........................ : MagneticLevitationSpeaker TradeMark ............................................ : N/A Manufacturer.........................................: SHENZHENWEIKUYITECHNOLOGYCO.,LTD Model/Typereference ......................... : SK2 ListedModels......................................: SK3,SK4,SK5,SK6,SK8 Modulation...........................................:GFSK,π/4DQPSK,8-DPSK Frequency .............................................. From2402MHzto2480MHz Ratings...................................................:DC3.7VFromBatteryorDC5VbyUSBport Result.....................................................:PASS MAXLABTestingCo.,Ltd.ReportNo.:MAX26080066P01-R01 Page 2 of46 TESTREPORT EquipmentunderTest:MagneticLevitationSpeaker Model/Type:SK2 ListedModels:SK3,SK4,SK5,SK6,SK8 ModelDeclaration:Allthemodelsareelectricalidenticalincludingthesamesoftware parameterandhardwaredesign,samemechanicalstructureand design,theonlydifferenceisthemodelnameddifferent. Applicant : SHENZHENWEIKUYITECHNOLOGYCO.,LTD Address: 513N,5/F,Bldg6,No.18Tairan8thRd,Tian'anCommunity,Shatou Street,FutianDistrict,Shenzhen Manufacturer : SHENZHENWEIKUYITECHNOLOGYCO.,LTD Address: 513N,5/F,Bldg6,No.18Tairan8thRd,Tian'anCommunity,Shatou Street,FutianDistrict,Shenzhen TestResult : PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. MAXLABTestingCo.,Ltd.ReportNo.:MAX26080066P01-R01 Page 3 of46 Contents 1T E S TS T A N D A R D S..............................................................................................................................4 2S U M M A R Y.................................................................................................................................................5 2.1GeneralRemarks..........................................................................................................................................5 2.2ProductDescription.....................................................................................................................................5 2.3EquipmentUnderTest.................................................................................................................................5 2.4ShortdescriptionoftheEquipmentunderTest(EUT).............................................................................5 2.5EUToperationmode.....................................................................................................................................5 2.6BlockDiagramofTestSetup.......................................................................................................................6 2.7RelatedSubmittal(s)/Grant(s)...................................................................................................................6 2.8Modifications.................................................................................................................................................6 3T E S TE N V I R O N M E N T........................................................................................................................7 3.1Addressofthetestlaboratory....................................................................................................................7 3.2TestFacility...................................................................................................................................................7 3.3Environmentalconditions............................................................................................................................7 3.4Summaryofmeasurementresults..............................................................................................................8 3.5Statementofthemeasurementuncertainty..............................................................................................8 3.6EquipmentsUsedduringtheTest..............................................................................................................9 4T E S TC O N D I T I O N SA N DR E S U L T S.......................................................................................1 1 4.1ACPowerConductedEmission................................................................................................................11 4.2RadiatedEmission.....................................................................................…

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Testsetup TestModelNo.:SK2 Testsetup TestModelNo.:SK2