2BL4H-IC-80Multi-Function Speaker

FCC Caution: 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. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

LocalRepresentativeLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(7),oftheCommission’sRules(47C.F.R.)weattestasfollowsfor theproductlistedbelow: FCCIDModelname 2BL4H-IC-80iC-80 Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementwithoutexpirationdate US-AmericanPointofContactApplicant/ApprovalHolder SignatureSignature CompanyName:LOBOSIOWAINCGuangdongDKMusicElectronic TechnologyCo.,Ltd. FRN:00364139610036247724 ContactName:HarleyLiQiangfeiJi Address:4623BittercreekDrColorado SpringsCO80922US Unit301,BLDG5,No.16,Jinxing Rd,Hi-TechZone,Zhuhai, Guangdong,China. Phone:+18188180538N/A Email:[email protected]@qq.com

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BL4H-IC-80iC-80 We, Applicant CompanyName:GuangdongDKMusicElectronicTechnology Co.,Ltd. Address:Unit301,BLDG5,No.16,JinxingRd,Hi-Tech Zone,Zhuhai,Guangdong,China. Phone:N/A certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-05-26 SignatureDate PrintedNameofSignee:QiangfeiJi Company:GuangdongDKMusicElectronic TechnologyCo.,Ltd. Phone:+8613923863604 Email:[email protected] Address:Unit301,BLDG5,No.16,Jinxing Rd,Hi-TechZone,Zhuhai,Guangdong,China. Fax:N/A

ConfidentialityRequestLetter ForCertificationServiceintheUSA FederalCommunicationCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoParagraphs§0.457and0.459oftheCommission’sRules(47C.F.R.)andSection §552(b)(4)oftheFreedomofInformationAct,werequestconfidentialityforthe documentationofthefollowingproducts: FCCIDModelname 2BL4H-IC-80iC-80 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-05-26 SignatureDate PrintedNameofSignee/Title:QiangfeiJi/Manager Company:GuangdongDKMusicElectronicTechnologyCo.,Ltd. Address:Unit301,BLDG5,No.16,JinxingRd,Hi-TechZone,Zhuhai, Guangdong,China. Phone:+8613923863604 Fax:-- Email:[email protected]

ReportNo.:CISRR25122539401 Page 60 of 63 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR25122539401 Page 61 of 63

Label Size:40mm*30mm Multi-Function Speaker Model No.: iC-80 FCC ID: 2BL4H-IC-80 Label Location

ReportNo.:CISRR25122539401 Page 62 of 63 9.2.InternalPhotos ANT ReportNo.:CISRR25122539401 Page 63 of 63 ------Endofthereport-----

ReportNo.:CISRR25122539402 Reporttemplateversion:CISE-TR-001-A0Page:1of5 TESTREPORT RFExposureEvaluation ReportNo.CISRR25122539402 ProjectNo.CISR251225394 FCCID2BL4H-IC-80 ApplicantGuangdongDKMusicElectronicTechnologyCo.,Ltd. Address Unit301,BLDG5,No.16,JinxingRd,Hi-Tech Zone,Zhuhai,Guangdong,China. ManufacturerGuangdongDKMusicElectronicTechnologyCo.,Ltd. Address Unit301,BLDG5,No.16,JinxingRd,Hi-Tech Zone,Zhuhai,Guangdong,China. ProductNameMulti-FunctionSpeaker Trademark Model/TypereferenceiC-80 ListedModel(s)- Standard 47CFRPart2.1093 DateofsamplereceiptDecember26,2025 TestdateDecember26,2025toApril16,2026 IssuedateApril17,2026 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.:CISRR25122539402 Reporttemplateversion:CISE-TR-001-A0Page:2of5 1.APPLICABLESTANDARD 47CFRPart2.1093:Radiofrequencyradiationexposureevaluation:portabledevices ANSIC95.1–3999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. 47CFRPart1.1307:Actionsthatmayhaveasignificantenvironmentaleffect,forwhichEnvironmental Assessments(EAs)mustbeprepared. 2.REPORTVERSION VersionNo.IssuedateDescription 00April17,2026Original ReportNo.:CISRR25122539402 Reporttemplateversion:CISE-TR-001-A0Page:3of5 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThedeviceuseasingletransmittermoduleandantennaforBluetooth,cannottransmitsimultaneously. ReportNo.:CISRR25122539402 Reporttemplateversion:CISE-TR-001-A0Page:4of5 5.TESTRESULT 5.1.Standalonetransmission Limit: KDB447498D01v06,Clause4.3.1a) For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-g SARtestexclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation31The resultisroundedtoonedecimalplaceforcomparison Thevalues3.0and7.5arereferredtoasnumericthresholdsinstepb)below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm, andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto4.1f)isappliedtodetermine SARtestexclusion. Result: Passed TestData Radiotype Frequency (GHz) Maximum output power #1 (dBm) Antenna gain #2 (dBi) Maximum EIRP #3 (dBm) Maximum tune-up #4 EIRP(dBm) Minimum distance (mm) Evaluated value LimitResult BT2.4022.002.814.815.005.000.98023.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.:CISRR25122539402 Reporttemplateversion:CISE-TR-001-A0Page:5of5 5.2.Simultaneoustransmission Limit: KDB447498D01v06,Clause4.3.2,47CFRPart1.1307 InthecaseofxedRFsourcesoperatinginthesametime-averagingperiod,orof multiplemobileorportableRFsourceswithinadeviceoperatinginthesametime averagingperiod,ifthesumofthefractionalcontributionstotheapplicablethresholds islessthanorequalto1asindicatedinthefollowingequation. Where a=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(B)ofthissectionforP,includingexistingexempttransmittersandthosebeing added. b=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(C)ofthissectionforThresholdERP,includingexistingexempttransmittersand thosebeingadded. c=numberofexistingfixed,mobile,orportableRFsourceswithknownevaluationforthespeci edminimumdistanceincludingexistingevaluatedtransmitters. P j =theavailablemaximumtime-averagedpowerortheERP,whicheverisgreater,forxed, mobile,orportableRFsourceiatadistancebetween0.5cmand40cm(inclusive). P th,j =theexemptionthresholdpower(P)accordingtoparagraph(b)(3)(i)(B)ofthissectionfor xed,mobile,orportableRFsourcei. ERP j =theERPoffixed,mobile,orportableRFsourcej. ERP th,j =exemptionthresholdERPforfixed,mobile,orportableRFsourcej,atadistanceofat leastλ/2πaccordingtotheapplicableformulaofparagraph(b)(3)(i)(C)ofthissection. Evaluated k =themaximumreportedSARorMPEoffixed,mobile,orportableRFsourcekeither inthedeviceoratthetransmittersitefromanexistingevaluationatthelocationofexposure. ExposureLimit k =eitherthegeneralpopulation/uncontrolledmaximumpermissibleexposure (MPE)orspecicabsorptionrate(SAR)limitforeachxed,mobile,orportableRFsourcek, asapplicablefrom§1.1310ofthischapter. Result:NotApplicable --------EndofReport--------

ReportNo.:CISRR25122539401 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of56 TESTREPORT ReportNo.CISRR25122539401 ProjectNo.CISR251225394 FCCID2BL4H-IC-80 ApplicantGuangdongDKMusicElectronicTechnologyCo.,Ltd. Address Unit301,BLDG5,No.16,JinxingRd,Hi-Tech Zone,Zhuhai,Guangdong,China. ManufacturerGuangdongDKMusicElectronicTechnologyCo.,Ltd. Address Unit301,BLDG5,No.16,JinxingRd,Hi-Tech Zone,Zhuhai,Guangdong,China. ProductNameMulti-FunctionSpeaker Trademark Model/TypereferenceiC-80 ListedModel(s)- Standard 47CFRPart15.247 DateofsamplereceiptDecember26,2025 TestdateDecember26,2025toApril16,2026 IssuedateApril17,2026 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu ReportNo.:CISRR25122539401 Page 2 of 56 Contents 1.STANDARDANDAPPLICABLETESTMETHODS........................................................................................3 2.REPORTVERSION..........................................................................................................................................3 3.TESTDESCRIPTION.......................................................................................................................................4 4.SUMMARY........................................................................................................................................................5 4.1.ProductDescription*..................................................................................................................................5 4.2.RadioSpecificationDescription*..............................................................................................................5 4.3.ModificationofEUT.....................................................................................................................................6 4.4.Deviationfromstandards...........................................................................................................................6 4.5.TestingSite...................................................................................................................................................6 5.TESTCONFIGURATION.................................................................................................................................7 5.1.Testfrequencylist.......................................................................................................................................7 5.2.Descriptionsoftestmode...........................................................................................................................7 5.3.Testsampleinformation.............................................................................................................................7 5.4.Environmentalconditions...........................................................................................................................7 5.5.Statementofthemeasurementuncertainty.............................................................................................7 5.6.EquipmentUsedduringtheTest................................................................................................................9 6.TESTRESULTS.............................................................................................................................................11 6.1.EvaluationResults(Evaluation)...............................................................................................................11 6.1.1.AntennaRequirement.............................................................................................................................11 6.2.RadioSpectrumMatterTestResults(RF)...............................................................................................12 6.2.1.ConductedEmissionatACpowerline.................................................................................................12 6.2.2.20dBBandwidth......................................................................................................................................15 6.2.3.MaximumConductedOutputPower.....................................................................................................17 6.2.4.ChannelSeparation................................................................................................................................18 6.2.5.NumberofHoppingFrequencies..........................................................................................................19 6.2.6.DwellTime...............................................................................................................................................20 6.2.7.Conductedbandedgeandspuriousemission...................................................................................22 6.2.8.Radiatedbandedgeemission...............................................................................................................24 6.2.9.RadiatedSpuriousEmission(below1GHz).........................................................................................30 6.2.10.RadiatedSpuriousEmission(Above1GHz)......................................................................................34 7.APPENDIXREPORT......................................................................................................................................42 7.1.ConductedOutputPower.........................................................................................................................42 7.2.20dBBandwidth.........................................................................................................................................44 7.3.NumberOfHoppingChannel...................................................................................................................46 7.4.CarrierFrequenciesSeparation.................................................................................................…

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REPORT No.SZ19080340E01 TEST REPORT Applicant:SHANGHAI MOUNTAIN VIEW SILICON CO,. LTD PRODUCT NAME :MV_BP10xx PCB Antenna MODEL NAME :MV_BP10 TRADE NAME : MVSILICON BRAND NAME : MVSILICON STANDARD(S) : ANSI/IEEE Std 149-2008 RECEIPT DATE :2019-08-30 TEST DATE :2019-09-02 ISSUE DATE : 2019-09-03 Edited by: Chi Shide(Rapporteur) Approved by: Andy Yeh(Technical Director) NOTE: This document is issued by MORLAB, the test report shall not be reproduced except in full without prior written permission of the company. The test results apply only to the particular sample(s) tested and to the specific tests carried out which is available on request for validation and information confirmed at our website. MORLAB SHENZHEN MORLAB COMMUNICATIONS TECHNOLOGY Co., Ltd. FL1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen , GuangDong Province, P. R. China Tel: 86-755-36698555Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] Page 1 of 14 REPORT No.SZ19080340E01 SHENZHEN MORLAB COMMUNICATIONS TECHNOLOGY Co., Ltd. FL1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen , GuangDong Province, P. R. China MORLAB Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] Page 2of 14 DIRECTORY 1. Technical Information········································································································3 1.1. Manufacturer and Factory Information ········································································ 3 1.2. Equipment Under Test (EUT) Description ···································································3 2. Test Results ························································································································ 4 2.1. Applied Reference Documents ····················································································· 4 2.2. Test Conditions ··············································································································· 4 2.3. Test Results lists············································································································· 4 Annex A Photographs ··········································································································· 6 Annex B Figures ···················································································································· 7 1. 2D Radiation Pattern ········································································································· 7 2. 3D Radiation Pattern ········································································································· 9 3. Return Loss ······················································································································ 10 4. VSWR································································································································· 11 5. Input Impedance ·············································································································· 11 Annex C Photographs········································································································· 12 Annex D General Information ···························································································· 14 1.1 Identification of the Responsible Testing Laboratory ············································· 14 1.2 Identification of the Responsible Testing Location ················································· 14 1.3 Test Equipments Utilized ····························································································· 14 Change History Issue DateReason for change 1.0 2019-09-03 First edition REPORT No.SZ19080340E01 SHENZHEN MORLAB COMMUNICATIONS TECHNOLOGY Co., Ltd. FL1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen , GuangDong Province, P. R. China MORLAB Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] Page 3of 14 1. Technical Information Note: Provide by manufacturer. 1.1.Manufacturer and Factory Information Applicant: SHANGHAI MOUNTAIN VIEW SILICON CO,. LTD Applicant Address:Suite 4C, Building 3, 1238 District, Shanghai, China Zhangjiang Road, Pudong New Manufacturer: SHANGHAI MOUNTAIN VIEW SILICON CO,. LTD Manufacturer Address:Suite 4C, Building 3, 1238 District, Shanghai, China Zhangjiang Road, Pudong New 1.2.Equipment Under Test (EUT) Description Wireless Type N/A FrequencyN/A REPORT No.SZ19080340E01 SHENZHEN MORLAB COMMUNICATIONS TECHNOLOGY Co., Ltd. FL1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen , GuangDong Province, P. R. China MORLAB Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] Page 4of 14 2.Test Results 2.1. Applied Reference Documents Leading reference documents for testing: No. Identity Document Title 1 ANSI/IEEE Std 149-2008 IEEE Standard Test Procedures for Antennas 2.2.Test Conditions Test Environment Conditions Relative Humidity:25 ... 75 % Temperature:+10 °C to +30 °C 2.3. Test Results lists 2.3.1. Gain Frequency Gain(dBi) 2400MHz 2.81 2410MHz 2.74 2420MHz3.38 2430MHz2.73 2440MHz 1.01 2450MHz 1.26 2460MHz 1.50 2470MHz 1.49 2480MHz 1.42 2490MHz 0.36 2500MHz 0.33 REPORT No.SZ19080340E01 SHENZHEN MORLAB COMMUNICATIONS TECHNOLOGY Co., Ltd. FL1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen , GuangDong Province, P. R. China MORLAB Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] Page 5of 14 2.3.2. Return Loss/VSWR/Input Impedance Frequency Return Loss (dB) VSWR Input 2400MHz-7.232.5325.37 2440MHz -6.47 2.80 17.99 2450MHz-6.222.9017.18 2480MHz -5.18 3.44 15.55 2500MHz -4.56 3.89 15.48 REPORT No.SZ19080340E01 SHENZHEN MORLAB COMMUNICATIONS TECHNOLOGY Co., Ltd. FL1-3, B…

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ReportNo.:CISRR25122539401 Page 58 of 63 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) ReportNo.:CISRR25122539401 Page 59 of 63 RadiatedSpuriousEmission(below1GHz)