2BL4H-IDM-007Smart Metronome

Digital Voice Metronome (EN) settings: Beat = 4/4, Tempo = 120, Rhythm Pattern = , Count-in = 0, Sound = Voice. until the display lights up. This will clear all saved parameters and restore factory In power-off state, press and hold the " " and " " buttons simultaneously 4. Adjust to a comfortable volume using the volume knob. 3. Short press " " to start the metronome. 2. Set the parameters according to Section IV. lights up. 1. When powered off, press and hold " " until the display • Charging Cable ×1 • User Manual ×1 • iDM-007 Metronome ×1 7. Package Includes 6. Specifications Tempo Range: 30–252 bpm Beats: 0/4, 1/4, 2/4, 3/4, 4/4, 3/8, 6/8 Count-in: 0–6 Sounds: Voice, Mechanical Metronome, Electronic Metronome, Cowbell, Woodblock Rhythm: Speaker: 1.5W * 2 Bluetooth Version: 5.2 Operating Frequency: 2402MHz–2480MHz Bluetooth Max. RF Power: 0dBm LE Max. RF Power: -1dBm Battery: Rechargeable Lithium Battery (3.7V, 1100mAh) Weight: 260g Dimensions: 80 (L) × 70 (W) × 163 (H) mm 5. How to Use the Metronome 4. Button Functions and Operations 3. Factory Reset 8. Speaker Hole: Emits sound rhythm patterns, and pre-count beats tempo, Adjust Knob: Adjustment 7. metronome 6. Charging Port: For charging the headphones 5. Headphone Jack: For connecting 4. Volume Knob: Adjust volume level Operation Methods) (see Section 4: Button Functions and 3. Buttons: Adjust various functions metronome operations 2. LCD Display: Displays all 1. Tap Tempo Button: Tap to set tempo 2. Parts Names and Functions • 4. Do not clean the metronome surface with alcohol or other diluted liquids to avoid damage. • 3. Do not drop the metronome or let it fall on hard surfaces to prevent malfunction. environments. • 2. Do not use the metronome in high temperature, humid, dirty, or strongly vibrating • 1. Do not disassemble, modify, or repair the metronome by yourself to avoid short circuits. 1. Precautions 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 differentfrom 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-IDM-007iDM-007 Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementwithoutexpirationdate US-AmericanPointofContactApplicant/ApprovalHolder SignatureSignature CompanyName:GLOCERTSTECHNOLOGYINCGuangdongDKMusicElectronic TechnologyCo.,Ltd. FRN:00363397370036247724 ContactName:HuiyingFanQiangfeiJi Address:19784SUNKISSEDRIDGEDR, RIVERSIDE,CA92507 Unit301,BLDG5,No.16,Jinxing Rd,Hi-TechZone,Zhuhai, Guangdong,China. Phone:(626)588-8039N/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.)weattestasfollows fortheproductlistedbelow: FCCIDModelname 2BL4H-IDM-007iDM-007 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,theapplicantisnotidentifiedon theCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-09-20 SignatureDate PrintedNameofSignee:QiangfeiJi Company:GuangdongDKMusicElectronic TechnologyCo.,Ltd. Phone:N/A 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-IDM-007iDM-007 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicableexhibits asthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-09-20 SignatureDate PrintedNameofSignee/Title:QiangfeiJi/Manager Company:GuangdongDKMusicElectronicTechnologyCo.,Ltd. Address:Unit301,BLDG5,No.16,JinxingRd,Hi-TechZone,Zhuhai, Guangdong,China. Phone:-- Fax:-- Email:[email protected]

ReportNo.:CISRR26091007401 Page 90 of 97 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR26091007401 Page 91 of 97 ReportNo.:CISRR26091007401 Page 92 of 97

Label Size:10mm*4mm FCCID:2BL4H-IDM-007 LabelLocation

ReportNo.:CISRR26091007401 Page 93 of 97 9.2.InternalPhotos ReportNo.:CISRR26091007401 Page 94 of 97 ReportNo.:CISRR26091007401 Page 95 of 97 ReportNo.:CISRR26091007401 Page 96 of 97 ReportNo.:CISRR26091007401 Page 97 of 97 ------Endofthereport-----

ReportNo.: CISRR26091007403 Reporttemplateversion:CISE-TR-001-A0Page:1of5 TESTREPORT RFExposureEvaluation ReportNo.: CISRR26091007403 ProjectNo.: CISR260910074 FCCID:2BL4H-IDM-007 Applicant:GuangdongDKMusicElectronicTechnologyCo.,Ltd. Address: Unit301,BLDG5,No.16,JinxingRd,Hi-Tech Zone,Zhuhai,Guangdong,China. Manufacturer: ZhuhaiDKElectronicTechnologyDevelopmentCo.,Ltd Address: Unit301,BLDG5,No.16,JinxingRd,Hi-TechZone,Zhuhai,Guangdong, China. ProductName: SmartMetronome TradeMark: DeKode Model/Typereference:iDM-007 ListedModel(s):- Standard:47CFRPart2.1093 DateofsamplereceiptSeptember10,2026 TestdateSeptember10,2026toSeptember18,2026 IssuedateSeptember18,2026 Testresult:Complied Reviewedby:GenryLong Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.: CISRR26091007403 Reporttemplateversion:CISE-TR-001-A0Page:2of5 1.APPLICABLESTANDARD 47CFRPart2.1093:Radiofrequencyradiationexposureevaluation:portabledevices ANSIC95.1–2019:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. 47CFRPart1.1307:Actionsthatmayhaveasignificantenvironmentaleffect,forwhichEnvironmental Assessments(EAs)mustbeprepared. 2.REPORTVERSION VersionNo.IssuedateDescription 00September18,2026Original ReportNo.: CISRR26091007403 Reporttemplateversion:CISE-TR-001-A0Page:3of5 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThedevicesuseatransmittingmodulesandantennastoBluetooth(BT)communications.Bluetoothcannot enablessimultaneoustransmission. ReportNo.: CISRR26091007403 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 EIRP #4 (dBm) Minimum distance (mm) Evaluated value LimitResult Bluetooth2.4410.01-0.58-0.5705.000.31253.00PASS LE2.440-1.13-0.58-1.71-1.05.000.24823.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.: CISRR26091007403 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--------

Summary Inverted-LAntennaSpecification ITEMANT SPEC Model Name2.4G ANT Center Frequency HorizontalVertical 2400MHz 2450MHz 2500MHz 2400MHz 2450MHz 2500MHz -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain Polarizatio -0.58dBi nHor izontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length34.10mm Manufacture Antenna Photo & Length (mm) Address Wuping Jieruike Multilayer Circuit Co., Ltd No.18-1 East Road, High tech Park, Yanqian Town, Wuping County, Longyan Horizontal:2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Sca le: 5/div Fre quency (M Hz) Ma Gain(dBi) xMinAvg 2400-1 .26174-3 0.0801-7 .18716 2450-0.765802-3 6.5604-7 .48023 2500-0.585582-2 2.0315-6 .59127 Vertica l:2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Sca le: 5/div Fre quency (M Hz) Ma Gain(dBi) xMinAvg 2400-5 .2537-2 2.1424-1 2.4294 2450-2 .4652-2 4.5837-1 0.4702 2500-1.86120-2 9.5214-9 .20432 ANT Te st Labs：A ttestation of Globa l Com pl ianc e Co., Ltd.

ReportNo.:CISRR26091007401 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of86 TESTREPORT ReportNo.CISRR26091007401 ProjectNo.CISR260910074 FCCID2BL4H-IDM-007 ApplicantGuangdongDKMusicElectronicTechnologyCo.,Ltd. Address Unit301,BLDG5,No.16,JinxingRd,Hi-Tech Zone,Zhuhai,Guangdong,China. ManufacturerZhuhaiDKElectronicTechnologyDevelopmentCo.,Ltd Address Unit301,BLDG5,No.16,JinxingRd,Hi-TechZone,Zhuhai,Guangdong, China. ProductNameSmartMetronome Trademark DeKode Model/TypereferenceiDM-007 ListedModel(s)- Standard 47CFRPart15.247 DateofsamplereceiptSeptember10,2026 TestdateSeptember10,2026toSeptember18,2026 IssuedateSeptember18,2026 TestresultComplied Reviewedby:GenryLong Approvedby:HansHu ReportNo.:CISRR26091007401 Page 2 of 86 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.Supportunitusedintestconfiguration....................................................................................................7 5.4.Testsampleinformation.............................................................................................................................7 5.5.Environmentalconditions...........................................................................................................................7 5.6.Statementofthemeasurementuncertainty.............................................................................................8 5.7.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)......................................................................................33 7.APPENDIXREPORT......................................................................................................................................42 7.1.MaximumConductedOutputPower........................................................................................................42 7.2.20dBBandwidth.........................................................................................................................................48 7.3.CarrierFrequencySeparation..................................................................................................…

Text truncated - open the document above for the full version.

ReportNo.:CISRR26091007401 Page 88 of 97 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline MaximumConductedOutputPower ReportNo.:CISRR26091007401 Page 89 of 97 Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) RadiatedSpuriousEmission(below1GHz)