2A52U-LBM-02Wireless Microphone

Mute: After the connection is successful, double-click the transmitter power button to switch to mute state, green light turn off. Double-click the transmitter power button again to unmute, and the green light will stay on. Reverberation function: In the connected state, three-cli- ck the power button to turn on the reverberation, and the green light flashes.Three clicks to turn off the reverb, the green light is on. Shut down: long press the power button for 3 secondsA (Note: If the transmitter is not connected to the receiver within one minute, it will enter the shutdown state.) Power on: Green light flashes Shut down: light off Pairing: flashing green Successful connection: the green light is on Noise reduction mode switch: orange light flashes Reverberation state: green light breathing flashing Mute state: the green light is off Low battery status: orange light flashes Charging: the orange light is on Charging completed: the orange light goes out 1. Click the power button of the microphone, the indicator light will be green, it means the power on is successful. 2. Insert the receiving end socket into the port of the mobile phone, the mobile phone displays a small icon to indicate connection succeeded. 3. The red light on the receiving end is always on, and the m- obile phone opens the camera, live video and other APPs, you can use the microphone to pick up the sound. 2 Type-C/Lightning Interface 3 Mode of Light 4 Built-in microphone Pairing: red light flashes Successful connection: the red light is on 6 Receiver mobile phone interface 7 Receiver indicator 5 Receiving terminal charging interface There is no battery in the receiving end, and there is no ne- ed to charge it during live broadcast. If live,when the batte- ry of the mobile phone is low, you can directly use the po- wer device to connect，the receiving interface charges the phone. 1. Microphone transmitter 2. The receiving end 3. Charging cable 4. User manual Contents Specification 2.4G private transmission protocol Very low delay <20ms, receiver <25mA Frequency response: 20HZ-20KHZ Sensitivity: -30db Signal to noise ratio: -65db Transmission distance: 20 meters Microphone pickup direction: 360-degree omnidirectional type Battery capacity: 60mAh button battery Endurance: 4-6h Wireless Microphone MADE IN CHINA User Manual Introduction Thanks for choosing our product. This product is a smart wireless microphone that provides profession- al-grade recording output,plug and play,no apprequired,multiples us- ages:it can be used in online live broadcast,video vlog shooting,progr- am interview,recording,video teaching and other occasions. The wireless micophone consist of two parts,one is microph-one tra- nsmitter,the other one is receiver(See as below picture) （Microphone transmitter） （Receiver） Switch Button How to use Indicator red light always on Display small icon on the phone ID图示 4 Power on: Short press the power button, the green light will be on for 2 seconds and then it will turn to flashing. Pairing: After the power-on is successful, plug the receiv- er into the mobile phone or other device, wait a moment. The connection will be successful in a few moments. At this time, the green light of the transmitter will be on and the red light of the receiver will be on. Noise reduction: After the connection is successful, short press the power button to cycle through the noise reducti- on mode, etc.Level (the transmitter has amemory function, the default is the noise reduction level used last time wh- en it is turned on.) On/off Button 2 3 1 1 6 7 5 Noise reduction mode Mode of light Orange light flashes once Orange light flashes Twice Orange light flashes Three Times Level 1 Level 2Level 3 Turn off noise reduction orange light stays on for 1 second 1112131415 1617181920 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. 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. Warning: changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment

ShenzhenChaolemaiTechnologyCo.,Ltd. AgentAuthorization Company:ShenzhenChaolemaiTechnologyCo.,Ltd. Address:Room508,5thFloor,No.498Longfeng1stRoad,Longyuan Community,LonghuaStreet,LonghuaDistrct,ShenZhenCity,Guangdong Province,CN ProductName:WirelessMicrophone ModelNumber(s):wm-1,wm-2,wm-3,wm-4,wm-5,wm-6,wm-7,wm-8,wm-9,wm-10,wm-11, wm-12,wm-13,wm-14,wm-15,LBM-01,LBM-02,LBM-03,LBM-04,LBM-05,LBM-06,LBM-07,LBM-08, LBM-09,LBM-10,LBM-11,LBM-12,LBM-13,LBM-14,LBM-15,LBM-16,LBM-17,LBM-18,LBM-19,LBM-20, LFM-01,LFM-02,LFM-03,LFM-04,LFM-05,LFM-06,LFM-07,LFM-08,LFM-09,LFM-10,LFM-11,LFM-12, LFM-13,LFM-14,LFM-15 ProductDescription:WirelessMicrophone WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:03/30/2022 Name: LeleWang Title: Manager Company: ShenzhenChaolemaiTechnologyCo.,Ltd.

ShenzhenChaolemaiTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:03/30/2022 Subject;RequestforConfidentiality FCCID:2A52U-LBM-02 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure 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:LeleWang Title:Manager

Modeldifferencedeclarationletter DifferencesDescription WeShenzhenChaolemaiTechnologyCo.,Ltd.state: Product：WirelessMicrophone ModelName： wm-1,wm-2,wm-3,wm-4,wm-5,wm-6,wm-7,wm-8,wm-9, wm-10,wm-11,wm-12,wm-13,wm-14,wm-15,LBM-01, LBM-02,LBM-03,LBM-04,LBM-05,LBM-06,LBM-07,LBM-08, LBM-09,LBM-10,LBM-11,LBM-12,LBM-13,LBM-14,LBM-15, LBM-16,LBM-17,LBM-18,LBM-19,LBM-20,LFM-01,LFM-02, LFM-03,LFM-04,LFM-05,LFM-06,LFM-07,LFM-08,LFM-09, LFM-10,LFM-11,LFM-12,LFM-13,LFM-14,LFM-15 Theaboveproductwithsamecircuit,PCBlayout,electricalparts,materialsand wiringstructures,Appearanceshape,thematerialsofdecorativeaccessoriesis same,onlydifferentcolor. Signatory Date:03-30-2022 <Signature> Name：LeleWang Title：manager Company：ShenzhenChaolemaiTechnologyCo.,Ltd. Address:Room508,5thFloor,No.498Longfeng1stRoad,LongyuanCommunity,LonghuaStreet, LonghuaDistrct,ShenZhenCity,GuangdongProvince,CN

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LabelandLabelLocation FCCID:2A52U-LBM-02 L*W:10mm*5mm labelandWhitefont

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FCCTestReport ReportNo:FCS202203116W01 Issuedfor Applicant: ShenzhenChaolemaiTechnologyCo.,Ltd. Address: Room508,5thFloor,No.498Longfeng1stRoad,Longyuan Community,LonghuaStreet,LonghuaDistrct,ShenZhen City,GuangdongProvince,CN ProductName: WirelessMicrophone BrandName: Leereel ModelName: LBM-02 SeriesModel: wm-1,wm-2,wm-3,wm-4,wm-5,wm-6,wm-7,wm-8,wm-9, wm-10,wm-11,wm-12,wm-13,wm-14,wm-15,LBM-01, LBM-02,LBM-03,LBM-04,LBM-05,LBM-06,LBM-07,LBM-08, LBM-09,LBM-10,LBM-11,LBM-12,LBM-13,LBM-14,LBM-15, LBM-16,LBM-17,LBM-18,LBM-19,LBM-20,LFM-01,LFM-02, LFM-03,LFM-04,LFM-05,LFM-06,LFM-07,LFM-08,LFM-09, LFM-10,LFM-11,LFM-12,LFM-13,LFM-14,LFM-15 FCCID: 2A52U-LBM-02 IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-Tech Industrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com Page2of31ReportNo.:FCS202203116W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com TESTRESULTCERTIFICATION Applicant’sName ...................... :ShenzhenChaolemaiTechnologyCo.,Ltd. Address ...................................... : Room508,5thFloor,No.498Longfeng1stRoad,LongyuanCommunity, LonghuaStreet,LonghuaDistrct,ShenZhenCity,GuangdongProvince,CN Manufacture'sName................:ShenzhenChaolemaiTechnologyCo.,Ltd. Address......................................: Room508,5thFloor,No.498Longfeng1stRoad,LongyuanCommunity, LonghuaStreet,LonghuaDistrct,ShenZhenCity,GuangdongProvince,CN ProductDescription ProductName ........................... :WirelessMicrophone BrandName.............................:Leereel ModelName..............................:LBM-02 SeriesModel .............................. : wm-1,wm-2,wm-3,wm-4,wm-5,wm-6,wm-7,wm-8,wm-9,wm-10,wm-11,wm-12, wm-13,wm-14,wm-15,LBM-01,LBM-02,LBM-03,LBM-04,LBM-05,LBM-06, LBM-07,LBM-08,LBM-09,LBM-10,LBM-11,LBM-12,LBM-13,LBM-14,LBM-15, LBM-16,LBM-17,LBM-18,LBM-19,LBM-20,LFM-01,LFM-02,LFM-03,LFM-04, LFM-05,LFM-06,LFM-07,LFM-08,LFM-09,LFM-10,LFM-11,LFM-12,LFM-13, LFM-14,LFM-15 TestStandards..........................:FCCRulesandRegulationsPart15SubpartC,Section249 TestProcedure..........................:ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedFCS,thetestresultsshowthattheequipmentundertest(EUT)isin compliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFCS,thisdocumentmaybe alteredorrevisedbyFCS,personalonly,andshallbenotedintherevisionofthedocument.. DateofTest .................................. : Date(s)ofperformanceoftests . :21Mar.2022~25Mar.2022 DateofIssue ................................. :25Mar.2022 TestResult.....................................:Pass Testedby: (ScottShen) Reviewedby : (DukeQian) Approvedby: (JackWang) Page3of31ReportNo.:FCS202203116W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com TableofContentsPage 1.SUMMARYOFTESTRESULTS..............................................................................................5 1.1TESTFACTORY................................................................................................................6 1.2MEASUREMENTUNCERTAINTY.....................................................................................6 2.GENERALINFORMATION.......................................................................................................7 2.1GENERALDESCRIPTIONOFTHEEUT..........................................................................7 2.2DESCRIPTIONOFTHETESTMODES............................................................................9 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS................10 2.4EQUIPMENTSLIST.........................................................................................................11 3.RADIATEDEMISSIONMEASUREMENT..............................................................................12 3.1LIMIT................................................................................................................................12 3.2TESTPROCEDURE........................................................................................................13 3.3TESTSETUP...................................................................................................................14 3.4TESTRESULTS...............................................................................................................15 4.BANDEDGETEST.................................................................................................................21 4.1LIMIT................................................................................................................................21 4.2TESTPROCEDURE........................................................................................................21 4.3TESTSETUP...................................................................................................................22 4.4TESTRESULTS...............................................................................................................23 5.20DBBANDWIDTHTEST.....................................................................................................24 5.1LIMIT................................................................................................................................24 5.2TESTPROCEDURE........................................................................................................24 5.3TESTSETUP...................................................................................................................24 5.4TESTRESULTS...............................................................................................................25 6CONDUCTEDEMISSIONMEASUREMENT.......…

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