2BQL6-G-H5012.4G wireless microphone

Product Parameters • Wireless: V5.0 • Output: RMS 10W • Transmittion Distance:10m • Speaker: 4Ω 10W 4" • Input: DC 5V=-=1A • Battery: 2400mAh • Music Format: MP3,Capacity<32GB USER MANUAL Description of keys and interface Safety Notice: • Do not disassemble or modify the speaker or the microphone for any reason, as they may get damaged or burn. • Please keep the equipment along with all the accessories out of reach of children and pets. It can cause choking and/or serious injury. Quick Connect 1. Press the M button to switch to Bluetooth mode. 2. On your smartphone, search for “Music Star” via Bluetooth and click to connect. Once connected, open your music app and play a track. Note: Please make sure the volume on your smartphone is turned up and adjusted to the desired level. Thank you for choosing MUSIC STAR Portable Wireless Karaoke Party Speaker. Please read this User's Manual carefully, before using the product, and please save this Manual for further reference. Before operating, please read all the safety notices to assure safe and appropriate use. Package Includes: • Portable Wireless Karaoke Party Speaker • Wireless Microphone • USB Charging cable • 3.5mm AUX Cable RMJ Group International declares that radio equipment LAK-4200BLK is in compliance with directive 2014/53/EU. The EU Declaration of conformity is available at: www.rmjgroup.com/docs Charging the Speaker and the Microphones: Plug the USB cable into the charging port of the Speaker or the Microphone. Connect the other end of the cable to a USB power source, such as: • A USB wall adapter (using a power outlet (not included)). • A laptop or computer USB port. • A power bank. -ECH Button: Short press to decrease echo eect. LED/TWS Button: Short press to toggle lighting; long press to activate TWS pairing. +ECH Button: Short press to increase echo eect. 0–9 Buttons: Used for digital jukebox input and FM frequency selection. Mode (M) Button: Switches between Bluetooth, USB drive, Micro SD Card, and AUX modes Repeat Button: Short press to repeat the current MP3 song or all tracks. Previous Track Button: Short press to go to the previous track. Long press to rewind during MP3 playback. Next Track Button: Short press to skip to the next track. Long press to fast-forward during MP3 playback. Play/Pause Button: Short press to play or pause music. Microphone Volume Knob: Turn clockwise to increase mic volume. Turn counterclockwise to decrease mic volume. Microphone Input: Connect a microphone here. AUX Input: For audio input playback from external devices. Micro SD Card Slot: Insert a Micro SD Card for media playback. Type-C Port: For charging the device. USB Port: Insert a USB ash drive for playback. Master Volume Knob: Turn clockwise to increase volume. Turn counterclockwise to decrease volume. Turn all the way counterclockwise to power o the device. Display Screen: Shows playback information and settings. 1 6 7 4 3 5 2 8 9 10 11 12 13 14 15 16 17 Bluetooth Playback 1. Press the M button to switch to Bluetooth mode. 2. On your smartphone, search for “Music Star” via Bluetooth and click to connect. Once connected, open your music app and play a track. Note: Please make sure the volume on your smartphone is turned up and adjusted to the desired level. True Wireless Playback 1. Turn on another ‘Music Star’ speaker and enter Bluetooth mode. 2. Press and hold the LED/TWS button until you hear a “beep,” then release it. Wait for a moment until the device automatically connects to the other speaker and begins playback. 3. To exit TWS playback mode, press and hold the LED/TWS button until you hear a “beep,” or turn o the other speaker. Music Playback 1. Insert a Micro SD card or USB drive, then press the M button to enter music mode and play MP3 les from the card or drive. 2. Press the button briey to pause or resume playback. Press the or buttons briey to switch between songs. 3. Rotate the knob to adjust the volume. Audio Input 1. Use the appropriate audio cable to connect the speaker to an external device. Turn on the device and set it to the correct volume. 2. Insert the audio cable into the AUX port, or press the M button to enter AUX mode. Playback will start automatically. 3. Press the mute button to mute or unmute the sound. Rotate the knob to adjust the volume. Lighting and Echo Function 1. Short press the LED button to switch lighting modes. 2. Short press the “Echo -” button to reduce reverb. 3. Short press the “Echo +” button to increase reverb. 4. Note: In radio mode, lights will automatically turn o to reduce interference and improve reception. Microphone Function Microphone Controls 1. Press briey to cycle through ve dierent sound eects: original voice, monster voice, male-to-female voice, doll voice, and Karaoke voice. 2. Press the + button to increase microphone volume. 3. Press the - button to decrease microphone volume. 4. Press and hold the power button to turn the microphone on/o. Press briey to mute the microphone. Power Volume+ Volume- Mode Additional Notes: - If using a wired MIC, insert the microphone into the input port and turn it on before use. - The microphone function is not supported in radio mode. Please switch to another mode to use the microphone. - A slight hissing sound may occur if the microphone is too close to the built-in speaker. This is normal. To reduce feedback, keep the microphone away from the speaker. - When not in use, please turn o the microphone or remove it to prevent interference. - The remote control should be used within 20ft of the receiver. 2.4G wireless microphone G-H501 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…

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CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BQL6-G-H501G-H501 We, Applicant CompanyName:XIAOHUTECHNOLOGY(DONGGUAN)CO., LTD. Address:No.1,Building1,No.3,XinyuanSouth SecondRoad,Ludong,HumenTown, DongguanCity,GuangdongProvince,China Phone:13392155970 certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-11-24 SignatureDate PrintedNameofSignee:RenDong Company:XIAOHUTECHNOLOGY (DONGGUAN)CO.,LTD. Phone:13392155970 Email:[email protected] Address:No.1,Building1,No.3,Xinyuan SouthSecondRoad,Ludong,HumenTown, DongguanCity,GuangdongProvince,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 2BQL6-G-H501G-H501 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-11-24 SignatureDate PrintedNameofSignee/Title:RenDong/Manager Company:XIAOHUTECHNOLOGY(DONGGUAN)CO.,LTD. Address:No.1,Building1,No.3,XinyuanSouthSecondRoad, Ludong,HumenTown,DongguanCity,Guangdong Province,China Phone:13392155970 Fax:-- Email:[email protected]

ReportNo.:CISRR25102821101 Page 46 of 51 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR25102821101 Page 47 of 51 ReportNo.:CISRR25102821101 Page 48 of 51

Label Size:25mm*10mm FCCID:2BQL6-G-H501 ModleName:G-H501 LabelLocation

ReportNo.:CISRR25102821101 Page 49 of 51 9.2.InternalPhotos ReportNo.:CISRR25102821101 Page 50 of 51 ANT ReportNo.:CISRR25102821101 Page 51 of 51 ------Endofthereport-----

ReportNo.: CISRR25102821102 Reporttemplateversion:CISE-TR-001-A0Page:1of5 TESTREPORT RFExposureEvaluation ReportNo.: CISRR25102821102 ProjectNo.: CISR251028211 FCCID:2BQL6-G-H501 Applicant:XIAOHUTECHNOLOGY(DONGGUAN)CO.,LTD. Address: No.1,Building1,No.3,XinyuanSouthSecondRoad,Ludong,Humen Town,DongguanCity,GuangdongProvince Manufacturer: XIAOHUTECHNOLOGY(DONGGUAN)CO.,LTD. Address: No.1,Building1,No.3,XinyuanSouthSecondRoad,Ludong,Humen Town,DongguanCity,GuangdongProvince ProductName: 2.4Gwirelessmicrophone TradeMark:- Model/Typereference:G-H501 ListedModel(s):G-H501 Standard:47CFRPart2.1093 Issuedate:November11,2025 Testresult:Complied Reviewedby:MorganTan Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.: CISRR25102821102 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 00November11,2025Original ReportNo.: CISRR25102821102 Reporttemplateversion:CISE-TR-001-A0Page:3of5 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThesedevicesuseasingletransmittermoduleandantennaforBT. ReportNo.: CISRR25102821102 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 Bluetooth2.485.851.707.556.505.001.40693.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.: CISRR25102821102 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--------

Product specification Quick Reference Date Antenna module on the system board Frequency2.45GHz *1 Ant. Port Input Pwr. (dBm)0 (Typ. BT class 2 output power) Tot. Rad. Pwr. (dBm)-2.3 (Input pwr – loss pwr) Peak EIRP(dBm) Directivity (dBi) Efficiency (dB) Gain (dBi) Maximum Power (dBm)1.3 (XY-plane) 1.3 1 (all direction antenna) -2.3 (58.5%) 1.7 (Peak Gain XZ-plane ) Minimum Power (dBm)-4(XY-plane) Avg. Power (dBm)-0.5(XY-plane) Max/Min Ratio (dB)5.3(XY-plane) Max/Avg Ratio (dB)1.8(XY-plane) Min/Avg Ratio (dB)-3.5(XY-plane) Average Gain (dB)-0.5 (Avg Gain XY-plane) All the technical data and information contained herein are subject to change without prior notice Antenna Layout & module on the system board Antenna Gain Gain Table Unit in dBi @2.44GHzXY-planeXZ-planeYZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. Module Board 1.3-0.51.7-3.81.1-3.058.5% Manufacturer: Shenzhen Xuchi Industrial Co., LTD Address: Room 418, Block A, Building 1, Ruishangju, Bao 'an District, Shenzhen City Return Loss The Environment of Antenna Radiation Pattern 3D radiation pattern diagram XY-planeXZ-planeYZ-plane ʳ

ReportNo.:CISRR25102821101 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of42 TESTREPORT ReportNo.CISRR25102821101 ProjectNo.CISR251028211 FCCID2BQL6-G-H501 ApplicantXIAOHUTECHNOLOGY(DONGGUAN)CO.,LTD. Address No.1,Building1,No.3,XinyuanSouthSecondRoad,Ludong,Humen Town,DongguanCity,GuangdongProvince ManufacturerXIAOHUTECHNOLOGY(DONGGUAN)CO.,LTD. Address No.1,Building1,No.3,XinyuanSouthSecondRoad,Ludong,Humen Town,DongguanCity,GuangdongProvince ProductName2.4Gwirelessmicrophone Trademark- Model/TypereferenceG-H501 ListedModel(s)G-H501 Standard 47CFRPart15.247 DateofsamplereceiptNovember7,2025 TestdateNovember7,2025toNovember10,2025 IssuedateNovember11,2025 TestresultComplied Reviewedby:MorganTan Approvedby:HansHu ReportNo.:CISRR25102821101 Page 2 of 42 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 6.2.2.6dBBandwidth........................................................................................................................................15 6.2.3.MaximumConductedOutputPower.....................................................................................................16 6.2.4.PowerSpectralDensity..........................................................................................................................17 6.2.5.Conductedbandedgeandspuriousemission...................................................................................18 6.2.6.Radiatedbandedgeemission...............................................................................................................19 6.2.7.RadiatedSpuriousEmission(below1GHz).........................................................................................25 6.2.8.RadiatedSpuriousEmission(Above1GHz)........................................................................................29 7.APPENDIXREPORT......................................................................................................................................37 7.1.ConductedOutputPower.........................................................................................................................37 7.2.6dBBandwidth...........................................................................................................................................38 7.3.ConductedOutOfBandEmission...........................................................................................................39 7.4.DutyCycle..................................................................................................................................................41 7.5.PowerSpectralDensity...................................................................…

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ReportNo.:CISRR25102821101 Page 44 of 51 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) ReportNo.:CISRR25102821101 Page 45 of 51 RadiatedSpuriousEmission(below1GHz)