2BXK8-G11Bluetooth speaker

Function Introduction 1.Power switch/Light toggle: Long press to turn on/off, short press to switch lights 2.Previous track/Volume -: Short press for previous track, long press to decrease volume 3.Pause/Play: Press briefly to pause/play 4.Next track/volume: Short press for next track, long press to increase volume 5.Mode switch: Manually switch playback modes, Bluetooth/TF card/USB drive, etc. 6.Long press the microphone to turn on/off, short press to pause 7. Short press to increase the microphone volume, long press for the previous track 8.Short press to decrease the microphone volume, long press for the next track 9.Short press to switch magic sound, long press to remove original sound 10.Microphone Indicator: flashes blue when not connected, stays blue when connected; red light on while charging, off when fully charged 12.Speaker indicator light: the blue light flashes when powered on, stays solid blue when connected successfully, turns red during charging, and goes off 14.TF card slot: insert an MP3 audio file to automatically switch to TF mode 15.USB port: Automatically switches to USB mode when an MP3 audio file is inserted 16.AUX port: Use an audio cable to plug into the speaker's AUX port and play music from an external audio device Product Information Product Name: Bluetooth Karaoke Speaker Model: G11 Speaker: 52mm diameter Input Signal: 42DBPower Supply: DC charging + built-in rechargeable battery Product Size147.3*60*112mm Troubleshooting 1.No indicator light lights up after powering on: Check if the speaker has sufficient power, or charge it with a 5V/1A power supply for about 3 to 4 hours. 2.No sound from the microphone: The microphone may be powered off, the wrong playback mode is selected, or the microphone volume is too low. 3.No reverb from the speaker: The reverb switch may be turned off. Turn on the reverb switch. 4.Microphone generates noise: This may be caused by ambient noise, signal interference, or the microphone being placed too close to the speaker. 5.Bluetooth playback cuts off: The distance between devices is too long, or there are obstacles blocking signal transmission between the phone and 6.Failed Bluetooth connection: Excessive distance, obstacles, or the speaker is paired with another mobile phone. Move closer to the phone, clear 13.Charging port: Use a Type-C cable to plug into the charging port to charge (Note: This device does not support fast charging. Forcing fast charging 13 14 15 16 11.Microphone charging port. Output Power: 5W Charging Voltage: DC 5V when fully charged. may cause damage, and our company will not be responsible). 7.Unable to charge: Check whether the charger works normally and confirm if the red charging indicator at the charging port lights up while charging Adjust the microphone volume accordingly. Readjust the microphone’s position and angle. speaker. Move the phone closer and remove obstructions. obstacles, and disconnect other paired devices. the 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.

AttestationStatement. OldCode:C526609124NewCode:00015544Ed.3 Changereason:FRNisaddedtotheApplicantinformationsection. 1/1 TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 TheCommissionadoptedrulesthatprohibitequipmentauthorizationfor“covered” telecommunicationsequipmentandvideosurveillanceequipmentproducedbyentitiesidentified ontheCommission’sCoveredList 1 ,whichisperiodicallyupdated.SeetheCoveredListformore details.ThisAttestationStatementistoconfirmthatwefollowtheSection2.911(d)(5)(i)-(ii) Applicant Companyname:ShenzhenYunsiChangTechnologyCo.,Ltd. Granteecode:2BXK8 FRN:0038747820 FCCID:2BXK8-G11 ContactName:WUYUNQING Address:Room305,4thFactoryBuilding,XiangliIndustrialPark,LonghuaDistrict,Shenzhen CityChina TelephoneNo.:1341006102 Email:[email protected] i.ShenzhenYunsiChangTechnologyCo.,Ltd.(“theapplicant”)certifiesthat theequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection 2.903oftheFCCrules.Theapplicantmustsignthiscertification. ii.ShenzhenYunsiChangTechnologyCo.,Ltd.(“theapplicant”)certifiesthat, asofthedateofthefilingoftheapplication,theapplicant[isnot](asa specificallynamedentityoranyofitssubsidiariesoraffiliates)identifiedon theCoveredListasanentityproducing“covered”equipment.Theapplicant mustsignthiscertification. [ShenzhenYunsiChangTechnologyCo.,Ltd.](“theapplicant”)certifiesthat,asof thedateofthefilingofthe application,theapplicant[isnot]identifiedontheCoveredList asanentityproducing“covered” equipment. Date:2026.8.6 Applicant’sName:WUYUNQING Title:Manager Signature 1 TheCommission’sCoveredListispublishedbythePublicSafetyandHomelandSecurityBureauandpostedonthe Commission’swebsite.ThisCoveredList,whichisperiodicallyupdated,identifiesparticularequipment,producedby particularentities,thatconstitutes“covered”equipment.https://www.fcc.gov/supplychain/coveredlist

ShenzhenYunsiChangTechnologyCo., Ltd. Code00018768Ed. 2 Item 1.The deviceis able to install software/programinstallation? ☐ Yes, go to Item 2. ☒ No. In this case, the rest of the items do not apply.The devicecannotsupportinstallationof Kaspersky cybersecurityor anti-virussoftware. Item 2.TechnicalRequirementsfor KasperskyCybersecuritySoftware: #GeneralRequirements(For all Devices)Yes / No or N/AComments 1Internetconnectionfor activationand updates(For all Operating Systems) N/A #GeneralRequirements(For WindowsDevices)Yes / No or N/AComments DeviceBluetoothspeaker CompanynameShenzhenYunsiChangTechnologyCo., Ltd. Granteecode2BXK8 FCC ID2BXK8-G11 FRN0038747820 ContactnameWUYUNQING AddressRoom305, 4th FactoryBuilding,Xiangli IndustrialPark,LonghuaDistrict,ShenzhenCity China Telephonenumber1341006102 [email protected] Chipset/moduleinformationAB5705C OperatingSystem(if applicable)N/A StorageCapacity(hard drive or other permanentmemorystorage,if applicable) N/A 2 1Storage:1500MBfreespaceontheharddriveN/A 2OperatingSystem: MicrosoftWindows8,8.1,10&11Home/Pro/Enterprise Microsoft Windows7Starter/HomeBasic&Premium/Professional/ UltimateSP1orhigher N/A 3Processor:1GHzorhigher(x86orx64)N/A 4Memory(RAM)1GB(32-bit)or2GB(64-bit)N/A 5ScreenResolution:Minimumresolutionof1024x768N/A #GeneralRequirements(FormacOSdevices)Yes/NoorN/AComments 1OperatingSystemmacOS®13–14N/A 2Memory(RAM)4GBN/A 3Storage:3455MBfreespaceontheharddriveN/A #GeneralRequirements(ForAndroidDevices)Yes/NoorN/AComments 1Storage:150MBfreespaceN/A 2OperatingSystem:Android™10–14N/A 3ScreenResolution:Minimumresolutionof320x480N/A #GeneralRequirements(foriOSdevices)Yes/NoorN/AComments 1Storage:150MBfreespaceN/A 2OperatingSystem:iOS®17N/A #GeneralRequirements(ForLinuxsystem)Yes/NoorN/AComments 1Harddrive:1GBoffreespaceN/A 3 2CPU:IntelPentium1GHzorhigherN/A 3RAM:1GBN/A 4Minimumsoftwarerequirements: AlmaLinuxOS8orlater; AlterOS7.5orlater; AstraLinuxCommonEdition2.12orlater; CentOS6.7orlater; DebianGNU/Linux10.0orlater; EulerOS2.0orlater; OracleLinux7.3orlater; RedHatEnterpriseLinux6.7orlater; RockyLinux8.5orlater; SUSELinuxEnterpriseServer12.5orlater; Ubuntu12.04orlater; UncomOSHome/Business/Education/Enterprise2.2orlater; ALTLinuxWorkstaton/WorkstationK/Server/Education8or later; ROSALinuxWorkstation/Server12orlater; REDOS7.3andlater; N/A Afterreviewedthetechnicalrequirements,isthedevicecapableofsupportingtheinstallationof Kasperskysoftware? ☐Yes,gotoItem3. ☒ No.Inthiscase,therestoftheitemsdonotapply.ThedevicecannotsupportinstallationofKaspersky software Item3.ConnectivityCapabilities: 4 #PhysicalInterfacePurposeJustification 1 1 #WirelessInterfacePurposeJustification 1 1 After the reviewof this items,the device: ☒Cannotsupportinstallationof any cybersecurityor anti-virussoftwareon the coveredlist. ☐ Potentiallycan operatewith any cybersecurityor anti-virussoftwareon the coveredlist–additionalthird- party proof is providedto demonstratecompliancewith requirementsas of 2.911(d)5(i),(ii)–“Proof of Compliancewith CoveredList SoftwareRequirements”of this documentapplies Signature:Na me :WUYUNQING Date: 2026.8.6 1 The justificationfield is usedto justifywhy the softwarecannotbe receivedthroughthat interface.Checkthe annexfor more indications.

TCB CALL página 1 File FCC ID: 2BXK8-G11 Please upload an exhibit that explains how does the TCB verify the new agent information: 1- Is the address of the agent a valid physical US mailing address (not a US post office box, not a virtual mailbox, not P.O. Boxes, not a vacant lot, not a public building, etc.) ○ We have checked if the address exists in a real and potential building (Google maps) + official US register, after this verification and the evidence below we can guarantee the following: not a US post office box not a virtual mailbox not P.O. Boxes not a vacant lot not a public building(note) ► We checked the FCC FRN Search based on the information provided by the grantee. On the official register from : https://opencorporates.com/companies/us_co/20248329243 In google: TCB CALL página 2 TCB CALL página 3 TCB CALL página 4 TCB CALL página 5 TCB CALL página 6 TCB CALL página 7 TCB CALL página 8 ► CONCLUSION by TCB: The ASOP defined and provided by grantee is VALID and confirmed. Therefore the exhibit "C5266091_X23_Ed1_US_Agent_Letter" included in the file is ok. 2- Is the agent physically located at that valid US address such that the agent can be legally served at that address? Yes , check above 3- Has the listed agent clearly agreed in writing to serve as the agent for the grantee at that address? Yes, it is included in the exhibit "C5266091_X23_Ed1_US_Agent_Letter" >

C5266091_X10_Ed.2 1/1 ShenzhenYunsiChangTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2026.8.6 Subject:RequestforConfidentiality FCCID:2BXK8-G11 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:WUYUNQING Title:Manager

C5266091_X8_Ed.1 1/1 LetterofAuthorization ShenzhenYunsiChangTechnologyCo.,Ltd. Company:ShenzhenYunsiChangTechnologyCo.,Ltd. Address:Room305,4thFactoryBuilding,XiangliIndustrialPark, LonghuaDistrict,ShenzhenCityChina ProductName:Bluetoothspeaker ModelNumber:G11 FCCIdentifier:2BXK8-G11 WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:WUYUNQINGDate:2026.8.6 Title:Manager Signatureofapplicant:

EUTPHOTO(ExternalPhotos) TestMode:G11 ※※※※※ENDOFREPORT※※※※※

Labelandlabellocation 5cm Bluetoothspeaker FCCID:2BXK8-G11 3cm

EUTPHOTO(InternalPhotos) TestMode:G11 ANT ※※※※※ENDOFREPORT※※※※※

FCCID:2BXK8-G11 RFExposureEvaluation AccordingtoWS-1GeneralRFExposureGuidancev06andpart2.1093 ， Unless specificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-ghead orbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,by measurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTest ExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, ForEDR TestModeFrequency Max Power(dBm) TuneUP tolerance (dBm) MaxTuneUP power (dBm) MaxTuneUP power (mW) Min. distance (mm) Calc. thresholds limit GFSK2402-0.306 -1±1 01.0050.314963.0 π/4-DQPSK2402-0.344-1±101.0050.314963.0 8-DPSK2402-0.343 -1±1 01.0050.314963.0 Conclusion: 1.[(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]<3.0. SARTestExclusionThresholdsis3.0forseparationdistance5mm.Therefore,SARtestis notrequired

ProjectNo.:ZKT-2607080461E Page 1 of 69 FCCTESTREPORT FCCID:2BXK8-G11 ReportNumber...................................: ZKT-2607080461E DateofTest ...................................................... : Jul.01,2026-Jul.21,2026 Dateofissue ......................................... : Jul.21,2026 Totalnumberofpages.........................69 TestResult..........................................: PASS TestingLaboratory...........................: ShenzhenZKTTechnologyCo.,Ltd. Address ............................................... : 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................:ShenzhenYunsiChangTechnologyCo.,Ltd. Address ............................................... : Room305,4thFactoryBuilding,XiangliIndustrialPark,Longhua District,ShenzhenCity Manufacturer'sname ...................... :ShenzhenYunsiChangTechnologyCo.,Ltd. Address ............................................... : Room305,4thFactoryBuilding,XiangliIndustrialPark,Longhua District,ShenzhenCity Testspecification: Standard ................................................ : FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10-2020+Cor1-2023+C63.10a-2024+Erratato C63.10a-2024 Testprocedure.....................................: / Non-standardtestmethod ................ :N/A TestReportFormNo........................: TRF-EL-112_V0 TestReportForm(s)Originator.....: ZKTTesting MasterTRF........................................: Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname.....................................:Bluetoothspeaker Trademark...........................................:N/A Model/Typereference.........................:G11 Ratings..................................................: Input:5V1A Battery:3.7V,1200mAh,4.44Wh , ProjectNo.:ZKT-2607080461E Page 2 of 69 Testingprocedureandtestinglocation: TestingLaboratory .......................................... :ShenzhenZKTTechnologyCo.,Ltd. Address ............................................................ :1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China JimLiu Testedby(name+signature).......................: JacksonFang Reviewer(name+signature).......................: LakeXie Approved(name+signature) ....................... : ProjectNo.:ZKT-2607080461E Page 3 of 69 TableofContents Page 1.VERSION..................................................................................................................................5 2.TESTSUMMARY...................................................................................................................6 2.1TESTFACILITY.........................................................................................................................7 2.2MEASUREMENTUNCERTAINTY......................................................................................7 3.GENERALINFORMATION...................................................................................................8 3.1GENERALDESCRIPTIONOFEUT...................................................................................8 3.2TestSetupConfiguration.....................................................................................................10 3.3SupportEquipment................................................................................................................10 4.EMCEMISSIONTEST........................................................................................................13 4.1Conductedemissions............................................................................................................13 4.1.1POWERLINECONDUCTEDEMISSIONLimits......................................................13 4.1.2TESTPROCEDURE..........................................................................................................13 4.1.3DEVIATIONFROMTESTSTANDARD.......................................................................13 4.1.4TESTSETUP.......................................................................................................................14 4.1.5EUTOPERATINGCONDITIONS..................................................................................14 4.1.6TestResult............................................................................................................................15 4.2Radiatedemissions................................................................................................................17 4.2.1RadiatedEmissionLimits.................................................................................................17 4.2.2TESTPROCEDURE..........................................................................................................17 4.2.3DEVIATIONFROMTESTSTANDARD.......................................................................18 4.2.4TESTSETUP.......................................................................................................................18 4.2.5EUTOPERATINGCONDITIONS..................................................................................19 4.2.6TESTRESULTS..................................................................................................................19 5.RADIATEDBANDEMISSIONMEASUREMENT........................................................28 5.1TestRequirement:..................................................................................................................28 5.2TESTPROCEDURE..............................................................................................................28 5.3DEVIATIONFROMTESTSTANDARD..................…

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Shenzhen Bluetrum Technology Co., Ltd. 1301-1 Building A, Zhihui Square, No.4068 Qiaoxiang Road, Gaofa Community, Shahe Street, Nanshan District, Shenzhen, P.R.China

EUTTESTPHOTO TestMode:G11 RadiatedEmission ConductedEmission RadiatedSpurious RFConduction ※※※※※ENDOFREPORT※※※※※