2BFIY-E8Bluetooth Headphones

UserManual Productiondescription: Thewirelessearphoneisahighqualitystereowirelessheadphonewhich possesseswirelessmusic 、 callingandMP3function.Appearancevogue, beautifullydesigned,easytocarry,suitableforhousehold,outdoortravel andotherplaces,enjoymusicanytimeandanywhere.Providesuper perfectsoundqualityforyourcomputer,digitalmusicplayers,and mobilephonesandsoonaudio-visualproducts. Functionfeatures: 【 WirelessPlay 】 Supportpairingwirelessdevicestoplaymusicsuchas mobilephone,tablet,TV. 【 Hands-freecalls 】 Supportforhands-freecallsfunction,built-inhigh sensitivemicrophones,makingphonecallshavecarefreetoenjoy. 【 MP3Play 】 PlaytheTFcardMP3filesdirectly. 【 AudioInput 】 Stereoaudioinputports,easytoconnectthecomputer, digitalmusicplayer,mobilephoneandotheraudio-visualproductssoon allkindsofaudiosource. 【 FunctionofMultiPairing 】 Supporttoconnecttwomobilephones, moreconvenienttouse. 【 Gamemode 】 Supportslowlatencymode,makinggamingmore immersive. 【 SIRI 】 Supportintelligentvoiceassistantoperationforgreater convenience. 【 VoicePromptComingCalls 】 Itwillpromptthephonenumberwhen youhaveacomingcall,itismoreconvenient. 【 IOSBatteryDisplay 】 IOSmobilephonereal-timedisplaytheearphone battery,letyouknowtheearphonebattery. 【 SmartPower-off 】 Ifnotconnectedwirelessmode ， itwillturnoff automaticallyafter5minutes,don ’ tworryaboutwasteofelectricityfor standby. 【 RechargeableLithiumElectricity 】 Thebuilt-inrechargeablelithium battery,environmentalprotection,economicalandpractical. 【 IntelligentCharging 】 Thevoicepromptpleasechargewhenthebattery islow,whenfullchargeitwillautomaticallycutoffpowertoavoid batterychargingtoomuchtodamagetothebattery. Functiondefinitionofproductbuttonsandslot: ①② + ③ - ④ Type-CChargingPorts ⑤ AudioInputPorts ⑥ TFCARDSlot ⑦ StatusIndicatorLamp ⑧ Built-inMic FunctionUsageActionList ： FunctionOperationmethod Poweron/offLongpress【】for3seconds Play/PauseClick【】 Volume+/-Click【+】/【-】 Next/PrevioussongLongpress【+】/【-】 Answer/HangupClick 【】 RejectcallLongpress【】for2seconds RedialDouble-click【】 Modeswitching Pressandhold【+】【-】for2secondsatthesametime SIRIonClickthreetimes【】 Switchinggamemode/music mode Clickfourtimes 【】 ④【 Type-CChargingPorts 】： Powerinputjack,canusethespecial chargingcablefromthestandardpackageortheuniversalType-Cport chargingcableofthemobilephoneforcharging. ⑤【 AudioInput 】： Usetheaudiocablecontacttothedigitalmusicplayer, mobilephoneandotheraudio-visualproductssoonallkindsofaudio source. ⑥【 TFCARDSlot 】： InserttheTFCardtoplaythemusic. Wirelesspairingoperationmethod: Pressandholdthepowerbuttonfor3secondsuntiltheLEDredandblue lightsflashalternately.Turnonwirelessonthephone,searchforthe wirelessdevice,andconnectthedevicemanuallyforthefirsttime.After thedeviceissuccessfullyconnected,therewillbeaprompttone. Operationmethodofmultipairing: SearchtheearphonepairingnameonthemobilephoneAandmobile phoneBatthesametime,clickthepairingnameonthemobilephones separately,andwhenhearaprompttonemeansthepairingissuccessful. IfyouwanttolistentomusiconthemobilephoneBwhenyouarelisten tomusiconmobilephoneA,youshouldpausethemusiconthemobile phoneAbyhandandclickthemusiconthemobilephoneBtolistento musicandcontrolthemobilephoneB. Methodofturntoordinaryheadphone: Insertthe3.5mmaudiolinejackintotheaudioinputports,thewireless headphonewillautomaticallypoweroff,canusethewirelessheadphone asordinaryheadphonenow,atthesametimethefunctionofthewireless headphoneareuseless(poweroffstatus)tosavetheelectricity. Methodofcharging: InserttheendofthechargingcabletonativeType-Csocket,theotherend oftheUSBplugintothemobilephonecharger,theindicatorlightturns redwhencharging,theredlightwillextinguishwhenfullof. Lowbattery: Whentherewasalowvoltagepower,themachinewillprompt"Low battery”,pleaserechargeintimeatthistime.Ifitisnottobeusedfora longtime,chargingonetimeeverymonthatleast,itcanprotectthe batteryandextendbatterylife. Autopoweroff: Ifnotconnectedwirelessmode ， itwillturnoffautomaticallyafter5 minutes,don ’ tworryaboutwasteofelectricityforstandby. Reset: Whentheheadphonesuddenlycrashed,pleaselongpressthepower buttonfor8s,theheadphonewillbootsagainandbacktonormalstate. FCCWarning Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjectto thefollowingtwoconditions:(1)Thisdevicemaynotcauseharmful interference,and(2)thisdevicemustacceptanyinterferencereceived, includinginterferencethatmaycauseundesiredoperation. Anychangesormodificationsnotexpresslyapprovedbytheparty responsibleforcompliancecouldvoidtheuser'sauthoritytooperatetheequipment. NOTE:Thisequipmenthasbeentestedandfoundtocomplywiththelimits foraClassBdigitaldevice,pursuanttoPart15oftheFCCRules.These limitsaredesignedtoprovidereasonableprotectionagainstharmful interferenceinaresidentialinstallation.Thisequipmentgenerates,usesand canradiateradiofrequencyenergyand,ifnotinstalledandusedin accordancewiththeinstructions,maycauseharmfulinterferencetoradio communications.However,thereisnoguaranteethatinterferencewillnot occurinaparticularinstallation. Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception, whichcanbedeterminedbyturningtheequipmentoffandon,theuseris encouragedtotrytocorrecttheinterferencebyoneormoreofthefollowingmeasures: --Reorientorrelocatethereceivingantenna. --Increasetheseparationbetweentheequipmentandreceiver. --Connecttheequipmentintoanoutletonacircuitdifferent fromthattowhichthereceiverisconnected. --Consultthedealeroranexperiencedradio/TVtechnicianforhelp. ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement. Thedevicecanbeusedinportableexposureconditionwithoutrestriction.

GUANGDONGSHENGTENATECHNOLOGYCO.,LTD FederalCommunicationsCommission Authorizationand EvaluationDivision EquipmentAuthorizationBranch 7435 OaklandMills Road Columbia,MD 21046 3/22/24 U.S. AgentDesignation GUANGDONGSHENGTENATECHNOLOGYCO.,LTDacknowledgestheir consentfor the followingcontact locatedin the UnitedStatesto act as their agent for serviceof processfor the equipmentfor whichauthorization is sought(FCC ID:2BFIY-E8): Nameand companyof U.S. agent:FCC US Agent,LLC PhysicalU.S. addressof agent:3722 IllinoisAvenue,Saint Charles,IL, 60174,USA FRN of U.S. agent:0033402884 Email addressof U.S. agent:[email protected] FCC US Agent,LLCacknowledgestheir obligationto acceptserviceof processon behalfofGUANGDONG SHENGTENATECHNOLOGYCO.,LTD. GUANGDONGSHENGTENATECHNOLOGYCO.,LTDwith the FRN0035156025acceptsits obligationto maintainan agent for serviceof processin the UnitedStatesfor no less than one year after either the granteehas permanentlyterminatedall marketingand importationof the applicableequipmentwithinthe U.S., or the conclusionof any Commission-relatedadministrativeor judicialproceedinginvolvingthe equipment,whicheveris later. By signingthis form, we confirmthe aboveand that we are awareof the applicationrequirementslisted under§ 2.911(d)(7). The informationprovidedin this letter is basedon the referencedrule parts of Title 47 of the CFR as well as KDB 986446D01. An expirationdate for this letter does not exist. In case the U.S. agent changes,the granteeis obligatedto notify the FCC within 30 days via the grantingTCB. Sincerely, Signature KEN LIN SALESMANAGER GUANGDONGSHENGTENATECHNOLOGY CO.,LTD Signature Tim Payne Manager FCC US Agent,LLC 48_[model] US_Agent_2.911(d)(7)-U, V05

CoveredEquipmentIdentificationLetter ForCertificationServiceintheUSA FederalCommunicationCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(ii)oftheCommission’sRules(47C.F.R.)weattestasfollows: We, applicant CompanyName:GUANGDONGSHENGTENATECHNOLOGYCO.,LTD Address:GOUNANVILLAGEINDUSTRIALAREA,GURAO, CHAOYANGDISTRICT,SHANTOU,GUANGDONG 515159,China Phone:+86-13531216589 certifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentifiedon theCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, SignatureDate:2024-03-22 Name/Title:KENLIN/SALESMANAGER Company:GUANGDONGSHENGTENATECHNOLOGYCO.,LTD Address:GOUNANVILLAGEINDUSTRIALAREA,GURAO,CHAOYANGDISTRICT,SHANTOU, GUANGDONG515159,China Phone:+86-13531216589 FaxNumber:N/A E-Mail:[email protected]

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BFIY-E8E8,VJ364,VJ369,VJ375,VJ376,VJ378,VJ379, VJ077,E6,E9,E15,E17,E18,E21,E22,E23 We, applicant CompanyName:GUANGDONGSHENGTENATECHNOLOGYCO.,LTD Address:GOUNANVILLAGEINDUSTRIALAREA,GURAO, CHAOYANGDISTRICT,SHANTOU,GUANGDONG 515159,China Phone:+86-13531216589 certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, SignatureDate:2024-03-22 Name/Title:KENLIN/SALESMANAGER Company:GUANGDONGSHENGTENATECHNOLOGYCO.,LTD Address:GOUNANVILLAGEINDUSTRIALAREA,GURAO,CHAOYANGDISTRICT,SHANTOU, GUANGDONG515159,China Phone:+86-13531216589 FaxNumber:N/A E-Mail:[email protected]

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 2BFIY-E8E8,VJ364,VJ369,VJ375,VJ376,VJ378,VJ379, VJ077,E6,E9,E15,E17,E18,E21,E22,E23 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare: theOperationalDescription theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, SignatureDate:2024-03-22 Name/Title:KENLIN/SALESMANAGER Company:GUANGDONGSHENGTENATECHNOLOGYCO.,LTD Address:GOUNANVILLAGEINDUSTRIALAREA,GURAO,CHAOYANGDISTRICT,SHANTOU, GUANGDONG515159,China Phone:+86-13531216589 FaxNumber:N/A E-Mail:[email protected]

GUANGDONGSHENGTENATECHNOLOGYCO.,LTD GOUNANVILLAGEINDUSTRIALAREA,GURAO,CHAOYANG DISTRICT,SHANTOU,GUANGDONG515159,China Date:March.22,2024 FCCID:2BFIY-E8 ModelNumber:E8,VJ364,VJ369,VJ375,VJ376,VJ378,VJ379,VJ077, E6,E9,E15,E17,E18,E21,E22,E23 To:FederalCommunicationCommission AuthorizationandEvaluationDivision7435OaklandMillsRoad Columbia,MD21048 ToWhomItMayConcern, We,GUANGDONGSHENGTENATECHNOLOGYCO.,LTDherebydeclarethat ourproduct(BluetoothHeadphones)ModelNumber:E8,VJ364,VJ369, VJ375,VJ376,VJ378,VJ379,VJ077,E6,E9,E15,E17,E18,E21,E22, E23board,Schematic,Hardwareversion,Softwareversion,structureand internalphotosaresame,namedandappearancedifferentlyduetomarketing purposes. Shouldyouhaveanyquestionsorcommentsregardingthismatter,pleasehave GUANGDONGSHENGTENATECHNOLOGYCO.,LTD GOUNANVILLAGEINDUSTRIALAREA,GURAO,CHAOYANG DISTRICT,SHANTOU,GUANGDONG515159,China mybestattention. Sincerely, Name/Title:KENLIN/SALESMANAGER Company:GUANGDONGSHENGTENATECHNOLOGYCO.,LTD Address:GOUNANVILLAGEINDUSTRIALAREA,GURAO,CHAOYANG DISTRICT,SHANTOU,GUANGDONG515159,China Phone:+86-13531216589 FaxNumber:N/A E-Mail:[email protected]

Page1of5FCCID:2BFIY-E8 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity ExternalPhotosoftheEUT Fig.1 Fig.2 Page2of5FCCID:2BFIY-E8 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.3 Fig.4 Page3of5FCCID:2BFIY-E8 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.5 Fig.6 Page4of5FCCID:2BFIY-E8 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.7 Fig.8 Page5of5FCCID:2BFIY-E8 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.9

Page1of1FCCID:2BFIY-E8 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity LABELANDLOCATION (Size:L21.5cmx20cm) LabelLocation BluetoothHeadphones Model:E8 FCCID:2BFIY-E8

Page1of2FCCID:2BFIY-E8 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity InternalPhotosoftheEUT Fig.1 Fig.2 Antenna Page2of2FCCID:2BFIY-E8 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.3 Fig.4

Page1of3FCCID:2BFIY-E8 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCRFExposureEvaluation 1.ProductInformation Productname:BluetoothHeadphones TestModel:E8 AdditionalModelNo.:VJ364,VJ369,VJ375,VJ376,VJ378,VJ379,VJ077,E6, E9,E15,E17,E18,E21,E22,E23 ModelDeclaration:PCBboard,structureandinternalofthesemodel(s)arethe same,Sonoadditionalmodelsweretested PowerSupply:Input:DC5V,0.5A BatteryInput:3.7V HardwareVersion:/ SoftwareVersion:/ BluetoothFrequencyRange:2402MHz~2480MHz ChannelNumber: 79channelsforBluetoothV5.4(BDR/EDR) ChannelSpacing: 1MHzforBluetoothV5.4(BDR/EDR) ModulationType: GFSK,π/4-DQPSKforBluetoothV5.4(BDR/EDR) BluetoothVersion:V5.4 AntennaDescription:PCBAntenna,2.499dBi Exposurecategory:Generalpopulation/uncontrolledenvironment EUTType:ProductionUnit DeviceType:PortableDevice 2.EvaluationmethodandLimit AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1StandaloneSAR testexclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposureKDB procedures,standalone1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulation exposureconditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition,listedbelow,issatisfied.Thesetest exclusionconditionsarebasedonsource-basedtime-averagedmaximumconductedoutputpower oftheRFchannelrequiringevaluation,adjustedfortune-uptolerance,andtheminimumtest separationdistancerequiredfortheexposureconditions.22Theminimumtestseparationdistance isdeterminedbythesmallestdistancefromtheantennaandradiatingstructuresoroutersurfaceof thedevice,accordingtothehostformfactor,exposureconditionsandplatformrequirements,toany partofthebodyorextremityofauserorbystander(see5)ofsection4.1).ToqualifyforSARtest exclusion,thetestseparationdistancesappliedmustbefullyexplainedandjustifiedbythe operatingconfigurationsandexposureconditionsofthetransmitterandapplicablehostplatform requirements,typicallyintheSARmeasurementorSARanalysisreport,accordingtotherequired publishedRFexposureKDBprocedures.WhennootherRFexposuretestingorreportingis required,astatementofjustificationandcompliancemustbeincludedintheequipmentapproval,in lieuoftheSARreport,toqualifyfortheSARtestexclusion.Whenrequired,thedevicespecific conditionsdescribedintheotherpublishedRFexposureKDBproceduresmustbesatisfiedbefore applyingtheseSARtestexclusionprovisions;forexample,handheldPTTtwo-wayradios,handsets, laptops&tabletsetc.“ Page2of3FCCID:2BFIY-E8 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where: •f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison •3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingtof)insection4.1isappliedto determineSARtestexclusion. Whenoneofthefollowingtestexclusionconditionsissatisfiedforallcombinationsof simultaneoustransmissionconfigurations,furtherequipmentapprovalisnotrequiredto incorporatetransmittermodulesinhostdevicesthatoperateinthemixedmobileandportablehost platformexposureconditions.ThegranteeisresponsiblefordocumentingthisaccordingtoClassI permissivechangerequirements.AntennasthatqualifyforstandaloneSARtestexclusionmust applytheestimatedstandaloneSARtodeterminesimultaneoustransmissiontestexclusion. a)The[∑of(thehighestmeasuredorestimatedSARforeachstandaloneantennaconfiguration, adjustedformaximumtune-uptolerance)/1.6W/kg]+[∑ofMPEratios]is≤1.0. b)TheSARtopeaklocationseparationratiosofallsimultaneouslytransmittingantennapairs operatinginportabledeviceexposureconditionsareall≤0.04,andthe[∑ofMPEratios]is≤ 1.0. 3.ReferEvaluationMethod ANSIC95.1–1999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadio FrequencyElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevices RFExposureProceduresandEquipmentAuthorizationPolicies. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1093:Radiofrequencyradiationexposureevaluation:portabledevices 4.ConductedPowerResults <BT> ModeChannelFrequency(MHz)PeakConductedOutputPower(dBm) GFSK 024020.40 3924410.64 7824800.76 π/4DQPSK 024020.12 3924410.37 7824800.34 Page3of3FCCID:2BFIY-E8 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity 5.ManufacturingTolerance <BT> GFSK(Peak) ChannelChannel0Channel39Channel78 Target(dBm)000 Tolerance±(dB)1.01.01.0 π/4DQPSK(Peak) ChannelChannel0Channel39Channel78 Target(dBm)000 Tolerance±(dB)1.01.01.0 6.EvaluationResults 6.1StandaloneEvaluation Band/Mode Frequ ency (GHz) Antenna Distance (mm) RFoutputpower SARTest Exclusion Threshold SARTest Exclusion dBmmW BT GFSK2.48051.0 1.2589 0.3965<3.0Yes π/4DQPSK2.48051.01.25890.3965<3.0Yes Remark: 1.Outputpowerincludingtuneuptolerance; 2.Whentheminimumtestseparationdistanceis<5mm,adistanceof5mmaccordingtof)insection 4.1isappliedtodetermineSARtestexclusion. 6.2SimultaneousTransmissionforSARExclusion ThesamplesupportoneBTmodular.Noneedconsidersimultaneoustransmission. 7.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093fortheuncontrolledRF ExposureandSARExclusi…

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2.4G-2.48G频段板载PIFA天线测试报告 SPECIFICATIONS Frequency（MHz）2400-2480 PeakGain（dBi）2.499 AverageGain（dBi）＞-4 VSWR＜3.2 Impedance（Ω）50Ω AntennaTypePlannarInvertedFAntennaonboard PolarizationLinear 测试环境：中科国技暗室测试系统 Z X Y GUANGDONG SHENGTENA TECHNOLOGY CO.,LTD GOUNAN VILLAGE INDUSTRIAL AREA, GURAO, CHAOYANG DISTRICT, SHANTOU, GUANGDONG 515159, China 天线实物及物理尺寸 天线无源S参数： 驻波比（ VSWR ）、回波损耗（ ReturnLoss ）及史密斯圆图 天线效率及增益 Frequency（MHz）Gain（dBi）Effciency（%）AverageGain（dBi）Efficiency（dB） 24001.43359.329%-2.717-2.267 24100.92751.861%-3.416-2.852 24200.82952.112%-3.166-2.831 24300.88149.299%-3.258-3.072 24401.19250.672%-3.144-2.952 24501.68853.067%-2.735-2.752 24602.19459.423%-2.276-2.260 24702.11856.680%-2.438-2.466 24802.49961.727%-2.112-2.095 Average1.52954.908%-2.806-2.616 Peak2.49961.727%-2.112-2.095 天线2440MHz2D-ThetaPattern 天线2440MHz2D-PhiPattern 天线2440MHz3D-HorizontalPattern 天线2440MHz3D-VerticalPattern 2440MHz3D-TotalPattern

Page 1 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity AppendixA RFTestDataforBT(ConductedMeasurement) ProductName:BluetoothHeadphones TestModel:E8 EnvironmentalConditions Temperature: 23.8  C RelativeHumidity: 52.1% ATMPressure: 100.0kPa TestEngineer: PaddiChen Supervisedby: NickPeng Page 2 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity A.120dBEmissionBandwidth TestResult TestModeAntennaFrequency[MHz] 20db EBW[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant1 24021.0232401.4572402.480------ 24411.0352440.4542441.489------ 24800.9722479.5052480.477------ 2DH5Ant1 24021.3472401.3132402.660------ 24411.3322440.3222441.654------ 24801.2872479.3552480.642------ Page 3 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page 4 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity 2DH5_Ant1_2402 2DH5_Ant1_2441 Page 5 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity 2DH5_Ant1_2480 Page 6 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity A.2Maximumconductedoutputpower TestResultPeak Test Mode AntennaFrequency[MHz] ConductedPeak Powert[dBm] Conducted Limit[dBm] Verdict DH5Ant1 24020.40≤20.97PASS 24410.64≤20.97PASS 24800.76≤20.97PASS 2DH5Ant1 24020.12≤20.97PASS 24410.37≤20.97PASS 24800.34≤20.97PASS Page 7 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page 8 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity 2DH5_Ant1_2402 2DH5_Ant1_2441 Page 9 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity 2DH5_Ant1_2480 Page 10 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity A.3Carrierfrequencyseparation TestResult TestModeAntennaFrequency[MHz]Result[MHz]Limit[MHz]Verdict DH5Ant1Hop1.112≥0.690PASS 2DH5Ant1Hop1.004≥0.898PASS Page 11 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs DH5_Ant1_Hop 2DH5_Ant1_Hop Page 12 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity A.4Timeofoccupancy TestResult TestModeAntennaFrequency[MHz] BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict DH5Ant1Hop2.880106.670.307≤0.4PASS 2DH5Ant1Hop2.884106.670.308≤0.4PASS Page 13 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs DH5_Ant1_Hop 2DH5_Ant1_Hop Page 14 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity A.5Numberofhoppingchannels TestResult TestModeAntennaFrequency[MHz]Result[Num]Limit[Num]Verdict DH5Ant1Hop79≥15PASS 2DH5Ant1Hop79≥15PASS Page 15 of 40 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndus…

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Page 1 of 37 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCTESTREPORT FOR GUANGDONGSHENGTENATECHNOLOGYCO.,LTD BluetoothHeadphones TestModel:E8 AdditionalModelNo.:PleaseRefertoPage6 Preparedfor:GUANGDONGSHENGTENATECHNOLOGYCO.,LTD Address: GOUNANVILLAGEINDUSTRIALAREA,GURAO,CHAOYANG DISTRICT,SHANTOU,GUANGDONG,China Preparedby:ShenzhenLCSComplianceTestingLaboratoryLtd. Address: 101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei, ShajingStreet,BaoanDistrict,Shenzhen,518000,China Tel:(+86)755-82591330 Fax:(+86)755-82591332 Web:www.LCS-cert.com Mail:[email protected] Dateofreceiptoftestsample:March05,2024 Numberoftestedsamples:2 SampleNo. ： A240305039-1,A240305039-2 Serialnumber:Prototype DateofTest:March05,2024~March19,2024 DateofReport:March20,2024 Page 2 of 37 FCCID:2BFIY-E8ReportNo.:LCSA03054031EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCTESTREPORT FCCCFR47PART15C(15.247) ReportReferenceNo......................:LCSA03054031EA DateofIssue.......................................:March20,2024 TestingLaboratoryName..............:ShenzhenLCSComplianceTestingLaboratoryLtd. Address................................................: 101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei, ShajingStreet,BaoanDistrict,Shenzhen,518000,China TestingLocation/Procedure............ : FullapplicationofHarmonisedstandards■ PartialapplicationofHarmonisedstandards□ Otherstandardtestingmethod□ Applicant’sName.............................: GUANGDONGSHENGTENATECHNOLOGYCO.,LTD Address................................................: GOUNANVILLAGEINDUSTRIALAREA,GURAO,CHAOYANG DISTRICT,SHANTOU,GUANGDONG,China TestSpecification Standard..............................................:FCCCFR47PART15C(15.247) TestReportFormNo.........................:LCSEMC-1.0 TRFOriginator....................................:ShenzhenLCSComplianceTestingLaboratoryLtd. MasterTRF.........................................:Dated2011-03 ShenzhenLCSComplianceTestingLaboratoryLtd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenLCSComplianceTestingLaboratoryLtd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenLCSComplianceTestingLaboratoryLtd.takesnoresponsibilityforandwillnot assumeliabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. TestItemDescription.....................:BluetoothHeadphones TradeMark..........................................: N/A TestModel...........................................: E8 Ratings................................................. : Input:DC5V,0.5A BatteryInput:3.7V Result..................................................:Po…

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