2BBR7-BOLING666earphone

Charge . char ge in the cas e. The charging compartment uses the TYPE-C port to charge. . . TYPE-C . 1. The music play/pause: click on either side 2. Double click on the left ear add volume 3. Double click on the right ear reduce volume 4. Answer/hang up/reject : click on either side 5. Phone call voice remind 6. Power tips 7. Long press on the left ear: last song 8. Long press the right ear :next song 9, Three strike any ear: Siri voice assistant Wireless headset BT ver sion: JL5.3 Drive unit：φ13.5MM Impedance: 32ohm ±15% Grade of Waterproof：IPX 4 MIC：2718 Silicone microphone Earphone Battery：30mAH，IC with protection board； Earbuds battery：200mAH、with protection board； Earphone charge time：1H Earbuds charge time：1.5Hs (4 times for earphone) Distance：≥10M（barrier free） Playing time：5-6Hs Charge Port： Type-c Product Specification Operating instruction Compatible with iOS & Android devices MADE IN CHINA Safety tips R o charge the charging case, please use the included USB cable and plug it into the USB power supply for charging When the charging box is fully charged, the ea rcan be fully charged for 3 additional times o charge the earphones, please put them in the charging case and close the cover. Power indicatorTroubleshooting 1. Make sure the charging case is full of power 2. Put the earbuds to the case to charge for a while 3. 4. Connection failed,check whether the earbuds are paired or not ,turn of other 5. 6. Take the earphones out of the case till the red and led light flash alternately,this method is only applicable when the le nd right earbuds can’t pair to the device bluetooth device and turn it to the proper volume The earphones should be used correctly according to the requirements,in order to ensure smooth connection,pay attention to the influence of the use environment on the earphone.It is suggested that the distance between the cellphone and the earphones should be within 10M. phone 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 The devices has been evaluated to meet general RF exposure requirement the device can be used in portable exposure condition without restriction

C5266091_X24_Ed.2 1/1 ShenzhenBOLNTechnologyCo.,LTD “AttestationStatements” TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 TheCommissionadoptedrulesthatprohibitequipmentauthorizationfor“covered” telecommunicationsequipmentandvideosurveillanceequipmentproducedbyentitiesidentified ontheCommission’sCoveredList 1 ,whichisperiodicallyupdated.SeetheCoveredListformore details.ThisAttestationStatementistoconfirmthatwefollowtheSection2.911(d)(5)(i)-(ii) Applicant Companyname:ShenzhenBOLNTechnologyCo.,LTD Granteecode:2BBR7 FCCID:2BBR7-BOLING666 ContactName:LinBo Address:8thFloor,IntroductionBuilding,Liu71District,Xin'anStreet,Bao'anDistrict, Shenzhen TelephoneNo:8613027941006 FaxNo:8675523221967 Email:[email protected] i.[ShenzhenBOLNTechnologyCo.,LTD](“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection 2.903oftheFCCrules.Theapplicantmustsignthiscertification. ii.[ShenzhenBOLNTechnologyCo.,LTD](“theapplicant”)certifiesthat,asof thedateofthefilingoftheapplication,theapplicant[isnot](asa specificallynamedentityoranyofitssubsidiariesoraffiliates)identifiedon theCoveredListasanentityproducing“covered”equipment.Theapplicant mustsignthiscertification. [ShenzhenBOLNTechnologyCo.,LTD](“theapplicant”)certifiesthat,asofthedate ofthefilingoftheapplication,theapplicant[isnot]identifiedontheCoveredList asanentityproducing“covered”equipment. Date:2023/07/04 Applicant’sName:LinBo Title:Manager Signature 1 TheCommission’sCoveredListispublishedbythePublicSafetyandHomelandSecurityBureauandpostedonthe Commission’swebsite.ThisCoveredList,whichisperiodicallyupdated,identifiesparticularequipment,producedby particularentities,thatconstitutes“covered”equipment.https://www.fcc.gov/supplychain/coveredlist

ShenzhenBOLNTechnologyCo.,LTD ProductSimilarityDeclaration Productname:earphone Modelname:B35,B21,B14,B39 FCCID:2BBR7-BOLING666 We(ShenzhenBOLNTechnologyCo.,LTD)herebystatethatall themodelsareelectricalidenticalincludingthesamesoftware parameterandhardwaredesign(i.e.,circuitdesign,PCBLayout, RFmodule/circuit,antennatype(s)andantennalocation, componentsonPCB,etc.,),samemechanicalstructureand design(includingproductenclosure,materials,etc.,),theonly differenceisthemodelnameandappearancecolor. Signature: Name:LinBo Title:Manager Date:2023-07-03 CompanyName:ShenzhenBOLNTechnologyCo.,LTD Address:8thFloor,IntroductionBuilding,Liu71District,Xin'an Street,Bao'anDistrict,Shenzhen

C5266091_X8_Ed.1 1/1 LetterofAuthorization ShenzhenBOLNTechnologyCo.,LTD Company:ShenzhenBOLNTechnologyCo.,LTD Address:8thFloor,IntroductionBuilding,Liu71District,Xin'anStreet, Bao'anDistrict,Shenzhen ProductName:Bearphone ModelNumber:B35,B21,B14,B39 FCCIdentifier:2BBR7-BOLING666 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:LinBoDate:2023.07.04 Title:Manager Signatureofapplicant:

C5266091_X10_Ed.2 1/1 ShenzhenBOLNTechnologyCo.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2023-07.04 Subject:RequestforConfidentiality FCCID:2BBR7-BOLING666 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:LinBo Title:Manager 2023.07.04

Page1of3ReportNo.:FCS202306088 Externalphotos Photo1 Photo2 Page2of3ReportNo.:FCS202306088 Photo3 Photo4 Page3of3ReportNo.:FCS202306088 Photo5 Photo6

LabelandLabelLocation FCCID:2BBR7-BOLING666 Note ： Because EUT size is not suitable for printing FCC ID number label, FCC ID label is added on page 6 of the manual

Page1of2ReportNo.:FCS202306088 Internalphotos Photo1 Photo2 Page2of2ReportNo.:FCS202306088 Photo3 Photo4 Chipantenna

FCCRFExposure EUTDescription:earphone ModelNo.:B35 FCCID:2BBR7-BOLING666 Equipmenttype:PortableDevice 1.TestProcedure AccordingtoKDB447498D01GeneralRFExposureGuidancev06 The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattest separationdistances ≤ 50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/ (min.testseparationdistance,mm)] · [ √ f(GHz)] ≤ 3.0for1-gSARand ≤ 7.5for10-g extremitySAR, where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbefore calculationTheresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparation distanceis≤50mmandfortransmissionfrequenciesbetween100MHzand6GHz. Whentheminimumtestseparationdistanceis<5mm,adistanceof5mmisappliedto determineSARtestexclusion. 2.TestResultofRFExposureEvaluation [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)]=0.345/5*√2.441=0.1078≤3.0ThresholdatwhichnoSARrequiredis and≤3.0for1-gSAR,Separationdistanceis5mm. Mode Channel Freq.(MHz) Maximum Conducted Output Power(PK) AntennaGain (dBi) Antenna gainnumeric Tune-up power (dBm) Maxtune- uppower (W) GFSK 2402-5.791.71.48-5.79±10.000318 2441-5.621.71.48-5.62±10.000345 2480-5.731.71.48-5.73±10.000336

2.4GHz2012ChipAntenna:RANT2012F245X5 Dimension(mm) L2.05+-0.15 W1.20+-0.15 T0.65+-0.10 No.TerminalName 1Feeding/GNG 2GND Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT2012F245X5 (A)(B)(C)(D)(E)(F) (A)ProductTypeChipAntenna (B)SizeCode2.0x1.2mm(+-0.2mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=5 ElectricalSpecification WorkingFrequencyRange2400~2484MHz Bandwidth84(Min.) PeakGain1.7dBi(Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280°C) TerminationNi/Au(Leadless) ThespecificationisdefinedonEVB. DimensionandTerminalConfiguration 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd. 2.4GHz2012ChipAntenna:RANT2012F245X5 EvaluationBoardReference PCBDimensionAntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss&Radiatio Return Loss n 1 Frequency(MHz) Radiatio S11 (dB) 2400-10.77 2450-24.81 2484-10.243 n Z Y X 2400MHz2450MHz2500MHz Efficiency70.56%75.25%71.01% 2400 MHz 2450 MHz Max: 3 Min: -15 Scale: 2/div 2500 MHz Max: 3 Min: -15 Scale: 2/div Max: 3 Min: -15 Scale: 2/div 2400MHz2450MHz2500MHz Max gain(dBi) 1.730.950.87 Frequency 2.4GHz2012ChipAntenna:RANT2012F245X5 TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 20127”5K/Reel 9.0±0.5 60±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTDP PaperType2012 1.50±0.202.30±0.208.0±0.201.75±0.103.5±0.054.0±0.102.0±0.050.75±0.101.57±0.104.0±0.1 2.4GHz2012ChipAntenna:RANT2012F245X5 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 2.4GHz2012ChipAntenna:RANT2012F245X5 2.4GHz2012ChipAntenna:RANT2012F245X5 _ 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 12020/10/15NewDatasheet

FCCTestReport ReportNo:FCS202306088W01 Issuedfor Applicant: ShenzhenBOLNTechnologyCo.,LTD Address: 8thFloor,IntroductionBuilding,Liu71District,Xin'an Street,Bao'anDistrict,Shenzhen ProductName: earphone BrandName: N/A ModelName: B35 SeriesModel: B21,B14,B39 FCCID: 2BBR7-BOLING666 IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-Tech Industrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com Page 2 of51ReportNo.:FCS202306088W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TESTRESULTCERTIFICATION Applicant’sName......................:ShenzhenBOLNTechnologyCo.,LTD Address......................................: 8thFloor,IntroductionBuilding,Liu71District,Xin'anStreet,Bao 'anDistrict,Shenzhen Manufacture'sName................:ShenzhenBOLNTechnologyCo.,LTD Address......................................: 8thFloor,IntroductionBuilding,Liu71District,Xin'anStreet,Bao 'anDistrict,Shenzhen ProductDescription ProductName ........................... :earphone BrandName...............................:N/A ModelName..............................:B35 SeriesModel..............................:B21,B14,B39 TestStandards .......................... :FCCRulesandRegulationsPart15SubpartC,Section247 TestProcedure .......................... :ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedbyFluxComplianceServiceLaboratory,thetestresults showthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditis applicableonlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFluxCompliance ServiceLaboratory,thisdocumentmaybealteredorrevisedbyFluxComplianceServiceLaboratory, personalonly,andshallbenotedintherevisionofthedocument.. DateofTest .................................. : Date(s)ofperformanceoftests.:Jun13,2023~Jun16,2023 DateofIssue.................................:Jun16,2023 TestResult....................................:Pass Testedby: (ScottShen) Reviewedby : (DukeQian) Approvedby: (JackWang) Page 3 of51ReportNo.:FCS202306088W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TableofContentsPage 1.SUMMARYOFTESTRESULTS..............................................................................................6 1.1TESTFACTORY................................................................................................................7 1.2MEASUREMENTUNCERTAINTY....................................................................................7 2.GENERALINFORMATION......................................................................................................8 2.1GENERALDESCRIPTIONOFTHEEUT.........................................................................8 2.2BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED.............10 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS................11 2.4EQUIPMENTSLIST.........................................................................................................12 3CONDUCTEDEMISSIONMEASUREMENT..........................................................................13 4.20DBBANDWIDTH...............................................................................................................17 4.1Limit..................................................................................................................................17 4.2TestProcedure.................................................................................................................17 4.3Testsetup.........................................................................................................................17 4.4Testresults.......................................................................................................................17 4.5OriginalTestData............................................................................................................18 5.CONDUCTEDOUTPUTPOWER...........................................................................................19 5.1LIMIT................................................................................................................................19 §§............................................................................................................................................19 5.3TESTSETUP...................................................................................................................19 5.5TESTRESULTS..............................................................................................................19 6NUMBEROFHOPPINGCHANNEL.......................................................................................22 6.1LIMIT................................................................................................................................22 6.2TESTPROCEDURE........................................................................................................22 5.3TESTSETUP...................................................................................................................22 6.4EUTOPERATIONCONDITIONS....................................................................................22 6.5TESTRESULTS..............................................................................................................23 7.BANDEDGEANDSPURIOUS(CONDUCTED)....................................................................24 7.1LIMIT................................................................................................................................24 7.2TESTPROCEDURE........................................................................................................24 7.3TESTSETUP.................................…

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Page 1 of2ReportNo.:FCS202306088 Blow1GHzforradiatedemissiontestsetup Above1GHzforradiatedemissiontestsetup Page 2 of2ReportNo.:FCS202306088 Conductedemissiontestsetup