2BLDJ-A2Bluetooth earphone

FCCWarningStatement:Changesormodificationstothisunitnotexpressly approvedbythepartyresponsibleforcompliancecouldvoidtheuser’s authoritytooperatetheequipment.Thisequipmenthasbeentestedandfound tocomplywiththelimitsforaClassBdigitaldevice,pursuanttoPart15ofthe FCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainst harmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates, usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedin accordancewiththeinstructions,maycauseharmfulinterferencetoradio communications. However,thereisnoguaranteethatinterferencewillnotoccurinaparticular installation.Ifthisequipmentdoescauseharmfulinterferencetoradioor televisionreception,whichcanbedeterminedbyturningtheequipmentoffand on,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreof thefollowingmeasures: -Reorientorrelocatethereceivingantenna. -Increasetheseparationbetweentheequipmentandreceiver. - Connecttheequipmentintoanoutletonacircuitdifferentfromthatto whichthereceiverisconnected. - Consultthedealeroranexperiencedradio/TVtechnicianforhelp. ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothe followingtwoconditions:(1)thisdevicemaynotcauseharmfulinterference, and(2)thisdevicemustacceptanyinterferencereceived,including interferencethatmaycauseundesiredoperation. FCCRadiationExposureStatement ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.The devicecanbeusedinportableexposureconditionwithoutrestriction.

ShenzhenBeinuoxinTechnologyCo.,LTD 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:ShenzhenBeinuoxinTechnologyCo.,LTD Address:4/F,No.119,LuowuweiVillageIndustrialZone,DalangCommunity,DalangStreet,Longhua District,ShenzhenChina ProductName:Bluetoothearphone FCCID:2BLDJ-A2 Model(s):A2,A6,A7,A8,A9,A10,A11,A12,A13,A14,A15,i12,N27,N28,Pro2,Pro3,Pro4,Pro5, Air4,Pro6,Pro7,Pro8,Y169,Y170,Y171,Y172,Y173,Y175,Y176,Y178 2.911(d)(5)(i)EquipmentType We,[ShenzhenBeinuoxinTechnologyCo.,LTD](“theapplicant”)certifythattheequipmentforwhich authorizationissoughtthroughcertificationisnot:  Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules.  Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:XueShengleiDate:2024.9.27 TitleandCompanyname:Manager/ShenzhenBeinuoxinTechnologyCo.,LTD NOTE1 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

ShenzhenBeinuoxinTechnologyCo.,LTD 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:ShenzhenBeinuoxinTechnologyCo.,LTD Address:4/F,No.119,LuowuweiVillageIndustrialZone,DalangCommunity,DalangStreet,Longhua District,ShenzhenChina ProductName:Bluetoothearphone FCCID:2BLDJ-A2 Model(s):A2,A6,A7,A8,A9,A10,A11,A12,A13,A14,A15,i12,N27,N28,Pro2,Pro3,Pro4,Pro5, Air4,Pro6,Pro7,Pro8,Y169,Y170,Y171,Y172,Y173,Y175,Y176,Y178 2.911(d)(5)(ii)Applicantfiling We,[ShenzhenBeinuoxinTechnologyCo.,LTD](“theapplicant”)certifythat,asofthedateofthe filingoftheapplication,theapplicantisnotidentified NOTE1 onthe“CoveredList” NOTE2 ,established pursuantto§1.50002ofthischapter,asanentityproducingcoveredcommunicationsequipment. Yourssincerely, Name:XueShengleiDate:2024.9.27 TitleandCompanyname:Manager/ShenzhenBeinuoxinTechnologyCo.,LTD NOTE1 Deleteoptionnotapplicabletothisapplication. NOTE2 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

ShenzhenBeinuoxinTechnologyCo.,LTD AgentAuthorization Company:ShenzhenBeinuoxinTechnologyCo.,LTD Address:4/F,No.119,LuowuweiVillageIndustrialZone,DalangCommunity,Dalang Street,LonghuaDistrict,ShenzhenChina ProductName:Bluetoothearphone ModelNumber(s):A2,A6,A7,A8,A9,A10,A11,A12,A13,A14,A15,i12,N27,N28, Pro2,Pro3,Pro4,Pro5,Air4,Pro6,Pro7,Pro8,Y169,Y170,Y171,Y172,Y173,Y175, Y176,Y178 ProductDescription:Bluetoothearphone WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024.9.27 Name:XueShenglei Title:Manager Company:ShenzhenBeinuoxinTechnologyCo.,LTD

ShenzhenBeinuoxinTechnologyCo.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024.9.27 Subject;RequestforConfidentiality FCCID:2BLDJ-A2 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:XueShenglei Title:Manager

ShenzhenBeinuoxinTechnologyCo.,LTD ModelDifference Productdescription:Bluetoothearphone Modelname:A2 A6,A7,A8,A9,A10,A11,A12,A13,A14,A15,i12,N27,N28,Pro2,Pro3, Pro4,Pro5,Air4,Pro6,Pro7,Pro8,Y169,Y170,Y171,Y172,Y173,Y175, Y176,Y178 TradeName:N/A AllthemodelarethesamecircuitandRFmodule,onlythemodelnameisdifferent. Regards Sincerely Client’ssignature: Client’sname/title: XueShenglei/Manager Contactinformation/address:4/F,No.119,LuowuweiVillageIndustrialZone, DalangCommunity,DalangStreet,LonghuaDistrict,Shenzhen,China

EUTPHOTO(ExternalPhotos) TestMode:A2 ※※※※※ENDOFREPORT※※※※※

Labelandlabellocation FCCIDLABEL: High:1cm Wide:1cm LabelLocation: FCCID:2BLDJ-A2

EUTPHOTO(InternalPhotos) TestMode:A2 ※※※※※ENDOFREPORT※※※※※ LeftANT RightANT

FCCID:2BLDJ-A2 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, ForBR/EDR Mode Frequency (MHz) MaxPower (dBm) MaxPower (mW) Min.Distance (mm) Calc. thresholds limit GFSK2402-0.4120.9150.28213.0 π/4-DQPSK24020.5531.1450.35343.0 Conclusion: 1.[(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]<3.0. 2.SARTestExclusionThresholdsis3.0forseparationdistance5mm.Therefore,SAR testisnotrequired.

2.4GHz1608ChipAntenna:RANT1608F245C04 _ Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT1608F245C04 (A)(B)(C)(D)(E)(F) ElectricalSpecification DimensionandTerminalConfiguration No.TerminalName 1Feeding/GNG 2GND/Feeding (A)ProductTypeChipAntenna (B)SizeCode 1.6x0.8mm( ± 0.1mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=04 WorkingFrequencyRange2400~2500MHz Bandwidth120MHz(Min.) PeakGain2.7dBi(Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280 °C ) TerminationNi/Au(Leadless) Dimension(mm) L 1.60±0.10 W 0.80 ± 0.10 T 0.80 ± 0.10 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz1608ChipAntenna:RANT1608F245C04 _ 1 EvaluationBoardReference PCBDimensionAntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss&Radiation ELECTRICALCHARACTERISTICSS11 Radiation ElectricalCharacteristics Freque ncy EfficPercenGain 2400-1.6472.27%2.38 2450-1.3375.34%2.7 2500-1.5972.98%2.59 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz1608ChipAntenna:RANT1608F245C04 _ TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 16087”4K/Reel 4.0±0.5 4.0±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTψDP PaperType1608 1.90±0.203.50±0.208.0±0.201.75±0.103.5±0.054.0±0.102.0±0.050.75±0.10 1.50±0.10 4.0±0.1 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz1608ChipAntenna:RANT1608F245C04 _ ReliabilityTable TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr,thenkeepfor24±1hrsatroomtemp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Cto+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingtime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onelong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"fromanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage.MIL-STD-202 Method204 Mechanical Shock Threeshocksineachdirectionshallbeappliedalongthethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4ft/s Waveform:Half-sine NoVisibleDamage.MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz 1 6 0 8 Chip Antenna: RANT1608F245C04 _ Board Flex (SMD) 1.Mountingmethod: IR-Reflow.PCBSize(L:100×W:40×T:1.6mm) 2.Applytheloadindirectionofthearrowuntilbendingreaches 2mm. NoVisibleDamage.AEC-Q200 005 AdhesionForceof1.8Kgfor60seconds.NoVisibleDamage Magnificationof20Xor greatermaybeemployed forinspectionofthe mechanicalintegrityofthe devicebodyterminalsand body/terminaljunction. AEC-Q200 006 Physical Dimension Anyapplicablemethodusingx10magnification,micrometers, calipers,gauges,contourprojectors,orothermeasuring equipment,capableofdeterminingtheactualspecimen dimensions. Inaccordancewith specification. JESD22 JB100 RevisionHistory RevisionDateContent 12019/03/01NewDatasheet 22020/02/22Add2Dradiationcharacteristic Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen.

Project No.: ZKT-24091111470E Page 1 of 53 FCC TEST REPORT FCC ID:2BLDJ-A2 Report Number. .................................... : ZKT-24091111470E Date of Test ...................................................... :Sep. 13, 2024 to Sep. 20, 2024 Date of issue.........................................:Sep. 20, 2024 Total number of pages.........................53 Test Result .......................................... : PASS Testing Laboratory...........................: Shenzhen ZKT Technology Co., Ltd. Address ............................................... : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Applicant's name ............................. : Shenzhen Beinuoxin Technology Co., LTD Address...............................................: 4/F, No. 119, Luowuwei Village Industrial Zone, Dalang Community, Dalang Street, Longhua District, Shenzhen, China Manufacturer's name ...................... : Shenzhen Beinuoxin Technology Co., LTD Address ............................................... : 4/F, No. 119, Luowuwei Village Industrial Zone, Dalang Community, Dalang Street, Longhua District, Shenzhen, China Test specification: Standard................................................: FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2013 Test procedure.....................................: / Non-standard test method ................ :N/A Test Report Form No........................: / Test Report Form(s) Originator.....: ZKT Testing Master TRF........................................: Dated: 2020-01-06 This device described above has been tested by ZKT, and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And itis applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of ZKT, this document may be altered or revised by ZKT, personal only, and shall be noted in the revision of the document. Product name.....................................:Bluetooth earphone Trademark ........................................... :N/A Model/Type reference.........................:A2 A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, i12, N27, N28, Pro2, Pro3, Pro4, Pro5, Air4, Pro6, Pro7, Pro8, Y169, Y170, Y171, Y172, Y173, Y175, Y176, Y178 Ratings..................................................:Input: 5V500mA Battery capacity: DC 3.7V, 28mAh, 0.104Wh Project No.: ZKT-24091111470E Page 2 of 53 Testing procedure and testing location: Testing Laboratory ....................................... : Shenzhen ZKT Technology Co., Ltd. Address............................................................:1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Jim Liu Tested by (name + signature) ....................... : Jackson Fang Reviewer (name + signature) ....................... : Lake Xie Approved (name + signature) ....................... : Project No.: ZKT-24091111470E Page 3 of 53 Table of Contents Page 1. VERSION.............................................................................................................................5 2. TEST SUMMARY................................................................................................................ 6 2.1 TEST FACILITY..................................................................................................................7 2.2 MEASUREMENT UNCERTAINTY.................................................................................... 7 3. GENERAL INFORMATION.................................................................................................8 3.1 GENERAL DESCRIPTION OF EUT..................................................................................8 3.2 TEST SETUP CONFIGURATION................................................................................... 10 3.3 SUPPORT EQUIPMENT.................................................................................................10 3.4 TEST MODE.................................................................................................................... 10 4. EMC EMISSION TEST......................................................................................................13 4.1 CONDUCTED EMISSIONS.............................................................................................13 4.1.1 POWER LINE CONDUCTED EMISSION LIMITS................................................... 13 4.1.2 TEST PROCEDURE.................................................................................................13 4.1.3 DEVIATION FROM TEST STANDARD................................................................... 13 4.1.4 TEST SETUP............................................................................................................14 4.1.5 EUT OPERATING CONDITIONS............................................................................ 14 4.1.6 TEST RESULT..........................................................................................................15 4.2 RADIATED EMISSIONS..................................................................................................17 4.2.1 RADIATED EMISSION LIMITS................................................................................17 4.2.2 TEST PROCEDURE.................................................................................................17 4.2.3 DEVIATION FROM TEST STANDARD................................................................... 18 4.2.4 TEST SETUP............................................................................................................18 4.2.5 EUT OPERATING CONDITIONS............................................................................ 19 4.2.6 TEST RESULTS.......................................................................................................19 5. RADIATED BAND…

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EUTTESTPHOTO TestMode:A2