2BGZP-LX-09Wireless music headphones

Wireless music headphones Model:LX-09, BY99, BY08, BY33, BY18, BY17, BY38, BY09, BY66, BY39, BY72, BY77, BY88, BY86, BY27, BY29, BY06, BY10, BY11, BY13 Shenzhen Lanbiyi Technology Co., Ltd Product nameplate FCC Warning: 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. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

ShenzhenLanbiyiTechnologyCo.,Ltd CERTIFICATIONSCONCERNING“COVERED”EQUIPMENT Date: FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 FCCID:2BGZP-LX-09 ToWhomItMayConcern: Asrequiredbysection2.911(d)(5)(i),[ShenzhenLanbiyiTechnologyCo.,Ltd](“theapplicant”) certifiesthattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules. Asrequiredbysection2.911(d)(5)(ii),[ShenzhenLanbiyiTechnologyCo.,Ltd](“the applicant”)certifiesthat,asofthedateofthefilingoftheapplication,theapplicant[isnot] identifiedontheCoveredListasanentityproducing“covered”equipment. Thankyouforyourattentiontothismatter. Sincerelyyours, Signature PrintedName:XuRiyou Company:ShenzhenLanbiyiTechnologyCo.,Ltd JobTitle:Manager Email:[email protected] Telephone:18576430743

ShenzhenLanbiyiTechnologyCo.,Ltd LETTEROFAGENCY Date: FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 FCCID:2BGZP-LX-09 ToWhomItMayConcern: Wecertifythatwearenotsubjecttodenialoffederalbenefits,thatincludesFCCbenefits, pursuanttoSection5301oftheAnti-DrugAbuseACTof1988,U.S.C.862.Further,no party,asdefinedin47CFR1.2002(b),totheapplication,issubjecttodenialoffederal benefits,thatincludesFCCbenefits. Thankyouforyourattentiontothismatter. Sincerelyyours, Signature PrintedName:XuRiyou Company:ShenzhenLanbiyiTechnologyCo.,Ltd JobTitle:Manager Email:[email protected] Telephone:18576430743

ShenzhenLanbiyiTechnologyCo.,Ltd FCCID:2BGZP-LX-09 Modeldifference: Models LX-09,BY99,BY08,BY33,BY18,BY17,BY38,BY09,BY66,BY39,BY72, BY77,BY88,BY86,BY27,BY29,BY06,BY10,BY11,BY13 Note:Allmodelsdifferonlyintheirnamesandappearancecolors,theotheris exactlythesame,suchas:structure,circuit,circuit,silkscreen,bitnumber,RF module,antenna,etc.,isexactlythesame Signature PrintedName:XuRiyou Company:ShenzhenLanbiyiTechnologyCo.,Ltd JobTitle:Manager Email:[email protected] Telephone:18576430743

ShenzhenLanbiyiTechnologyCo.,Ltd RequestforLong-TermConfidentialityLetter-FCC Date: FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 Re:RequestforLong-Termconfidentiality FCCID:2BGZP-LX-09 Towhomitmayconcern, Weherebyrespectfullyrequestthatundertheprovisionof47CFR0.459and0.457(d)the documentslistedbelowandattachedwiththisapplicationforcertificationbeprovidedwithLong- Termconfidentialstatus.  Schematics.pdf  OperationalDescription.pdf FrequencyBlockDiagrams.pdf Anyexhibit/informationforwhichwehaverequestedconfidentiality,butwhichmaynotbe accordedsuchtreatmentbytheFCC,shouldbereturnedtous. Thedocumentslistedabovecontaintradesecretsthataretreatedasconfidentialbyus. Substantialcompetitiveharmtouscouldresultshouldtheybemadeavailabletothepublic. Sincerelyyours, Signature PrintedName:XuRiyou Company:ShenzhenLanbiyiTechnologyCo.,Ltd JobTitle:Manager Email:[email protected] Telephone:18576430743

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Productnameplate Note:Samplesizeissmall.Thenameplateisnotonthesample,butonthe usermanual Productname:Wirelessmusicheadphones Modelnumber:LX-09 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY99 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY08 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY33 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY18 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY17 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY38 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY09 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY66 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY39 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY72 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY77 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY88 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY86 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY27 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY29 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY06 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY10 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY11 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd Productname:Wirelessmusicheadphones Modelnumber:BY13 Input:DC5V,70mA Battery:DC3.7V,50mAh FCCID:2BGZP-LX-09 ShenzhenLanbiyiTechnologyCo.,Ltd

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FCCID:2BGZP-LX-09 RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(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, ForBT(2402MHz~2480MHz) MaxPower(dBm)MaxPower(mW)Frequency(MHz)Min.distance(mm)Calc.thresholdslimit 1.941.5624025 0.703 3.0 SoaSARtestisnotrequired

一 RFPCB COMPANY Shenzhen STEP Technology Co., Ltd. DESCRIPTION PCB Antenna-ONboard OUR MODEL NO ST008 Dimension (mm)L*W*T 3.7*1.8*0.8 二 .Return Loss Central Frequency 2450 MHz Bandwidth 120 (Min.) MHz Peak Gain -1.2 dBi Impedance 50 Ohm Operating Temperature -40～+85 °C 三．2D Radiation Patterns

BSLTestingCo.,LTD.ProjectNo.:BSL2406120275095F-1 Page 1 of 84 FCCPART15C MeasurementandTestReport For ShenzhenLanbiyiTechnologyCo.,Ltd FCCID:2BGZP-LX-09 RSSRule(s)/Methods: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 ProductDescription: Wirelessmusicheadphones Trademark N/A Model/Typereference.: LX-09,BY99,BY08,BY33,BY18,BY17,BY38, BY09,BY66,BY39,BY72,BY77,BY88,BY86, BY27,BY29,BY06,BY10,BY11,BY13 ReportNo.: BSL2406120275095F-1 Dateofreceiptoftestitem: May28,2024 Dateofsampling: May29,2024 TestedDate: Jun11,2024toJun25,2024 IssuedDate: Jun26,2024 TestedBy: LrisYao/Engineer ReviewedBy: LeviXiao/EMCManager Approved&AuthorizedBy: SalonOuyang/PSQManager BSLTestingCo.,LTD. 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict,Shenzhen,Shiyan Street,Bao'anDistrict,Shenzhen,Guangdong,518052,People’sRepublicofChina Tel:400-882-9628Fax:86-755-26508703 BSLTestingCo.,LTD.ProjectNo.:BSL2406120275095F-1 Page 2 of 84 Page 1.VERSION.............................................................4 2.TESTSUMMARY......................................................5 2.1TESTFACILITY.......................................................6 2.2MEASUREMENTUNCERTAINTY.......................................6 3.GENERALINFORMATION..............................................7 3.1GENERALDESCRIPTIONOFEUT.....................................7 3.2TestSetupConfiguration...............................................8 3.3SupportEquipment....................................................9 3.4TestMode...........................................................10 3.5EQUIPMENTSLISTFORALLTESTITEMS.............................11 4.EMCEMISSIONTEST.................................................11 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....................................................20 5.RADIATEDBANDEMISSIONMEASUREMENT..........................29 5.1TestRequirement:....................................................29 5.2TESTPROCEDURE..................................................29 5.3DEVIATIONFROMTESTSTANDARD..................................30 5.4TESTSETUP........................................................30 5.5EUTOPERATINGCONDITIONS.......................................30 5.6TESTRESULT.......................................................31 6.CONDUCTEDBANDEDGEANDSPURIOUSEMISSION..................35 6.1Limit................................................................35 6.2TestSetup..........................................................35 6.3Testprocedure.......................................................35 6.4DEVIATIONFROMSTANDARD.......................................35 6.5TestResult..........................................................36 7.20DB&99%BANDWIDTH..............................................57 7.1TestSetup..........................................................57 7.2Limit................................................................57 7.3Testprocedure.......................................................57 BSLTestingCo.,LTD.ProjectNo.:BSL2406120275095F-1 Page 3 of 84 7.4DEVIATIONFROMSTANDARD.......................................57 7.5TestResult..........................................................57 8.MAXIMUMPEAKOUTPUTPOWER....................................63 8.1BlockDiagramOfTestSetup..........................................63 8.2Limit................................................................63 8.3Testprocedure.......................................................63 8.4DEVIATIONFROMSTANDARD.......................................63 8.5TestResult..........................................................63 9.HOPPINGCHANNELSEPARATION....................................64 9.1TestSetup..........................................................64 9.2Testprocedure.......................................................64 9.3DEVIATIONFROMSTANDARD.......................................64 9.4TestResult..........................................................65 10.NUMBEROFHOPPINGFREQUENCY..................................70 10.1TestSetup.........................................................70 10.2Testprocedure......................................................70 10.3DEVIATIONFROMSTANDARD......................................70 10.4TestResult.........................................................71 11.DWELLTIME........................................................73 11.1TestSetup.........................................................73 11.2Testprocedure......................................................73 11.3DEVIATIONFROMSTANDARD......................................73 11.4TestResult.........................................................74 12.ANTENNAREQUIREMENT...........................................84 13.TESTSETUPPHOTO................................................84 14.EUTCONSTRUCTIONALDETAILS....................................84 BSLTestingCo.,LTD.ProjectNo.:BSL2406120275095F-1 Page 4 of 84 1.VERSION ReportNo.VersionDescriptionApproved BSL2406120275095F-1Rev.01InitialissueofreportJun26,2024 BSLTestingCo.,LTD.ProjectNo.:BSL2406120275095F-1 Page 5 of 84 2.TESTSUMMARY Testpr…

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