2AXK8-SP16Bluetooth Headset

DongguanBaolifengElectronicTechnologyCo.,Ltd * theapplicantmustdesignateacontactlocatedintheUnitedStatesforpurposesofactingasthe applicant’sagentforserviceofprocess,regardlessofwhethertheapplicantisadomesticorforeign entity.AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforserviceofprocess. U.S.AgentDesignationforServiceofProcess- CertificationAttestationLetter March29,2024 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa K1V1H2 Canada ATTN.:ReviewingEngineer FCCID:2AXK8-SP16 Persection2.911(d)(7)oftheFCCrules,DongguanBaolifengElectronicTechnologyCo.,Ltd (“theapplicant”)certifiesthattheequipmentforwhichauthorizationissoughtisdesignatedto thefollowingU.S.Designatedagent*forserviceofprocess: CompanyName:GSSSERVICEINC PhysicalU.S.CompanyAddress: 6547NAcademyBlvd#2266ColoradoSpringsCOLORADO 80918UnitedStates Agentname: MichouxLogan AgentEmailAddress:[email protected] FRN:0033402082 Theabovecontactpersonacceptstheobligationforserviceofprocess. Theapplicantacceptstomaintainanagentfornolessthanoneyearafterthegranteehas terminatedallmarketingandimportationortheconclusionofanyCommission-related proceedinginvolvingtheequipment. ApplicantSigned:DesignatedAgentSigned: (Required,ifdifferenttoApplicant): Signed: Signed: Printedname:LiangBinbiaoPrintedname:MichouxLogan Title:SalesManagerTitle:Manager Company Name: DongguanBaolifengElectronic TechnologyCo.,Ltd Company Name: GSSSERVICEINC Date:March18,2024Date:March18,2024 FRNCode:0029986940FRNCode:0033402082

DongguanbaolifengElectronicTechnologyCo.,Ltd ···· CoveredEquipmentCertificationAttestationLetter 3/18/2024 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa K1V1H2 Canada ATTN.:ReviewingEngineer FCCID:2AXK8-SP16 DongguanbaolifengElectronicTechnologyCo.,Ltd(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibitedfrom receivinganequipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. DongguanbaolifengElectronicTechnologyCo.,Ltd(“theapplicant”)certifiesthat,asof thedateofthefilingoftheapplication,theapplicantisnotidentifiedontheCoveredList asanentityproducing“covered”equipment. Signed: Printedname::BinbiaoLiang Title:SalesManager CompanyName:DongguanbaolifengElectronicTechnologyCo.,Ltd Date:3/18/2024

DongguanbaolifengElectronicTechnologyCo.,Ltd 3/18/2024 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa,Ontario,Can K1V1H2 AUTHORITYTOACTASAGENT-FCC Onourbehalf,IappointDongguanbaolifengElectronicTechnologyCo.,Ltd,toactasouragentin thepreparationofthisapplicationforequipmentcertification.Icertifythatsubmitteddocuments properlydescribethedeviceorsystemforwhichequipmentcertificationissought.Ialsocertifythat eachunitmanufactured,importedormarketed,asdefinedinFCCregulationswillhaveaffixedtoita labelidenticaltothatsubmittedforapprovalwiththisapplication. Insigningthisletter,Applicantcertifiesthatneithertheapplicantnoranypartytotheapplicationis notsubjecttoadenialofFederalbenefits,thatincludeFCCbenefits,pursuanttoSection5301ofthe Anti-DrugAbuseActof1988,21U.S.C.§862becauseofaconvictionforpossessionordistribution ofacontrolledsubstance.See47CFR1.2002(b)forthedefinitionofa"party"forthesepurposes. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonourbehalf,I acknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsforcertification,as specifiedbyNemkoNorthAmericaInc.,stillresidesstillresideswithus. Sincerely, Printedname:BinbiaoLiang

DongguanbaolifengElectronicTechnologyCo.,Ltd. March18,2024 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa,Ontario,Canada K1V1H2 REQUESTFORCONFIDENTIALITY-FCC FCCID:2AXK8-SP16 PursuanttoSections0.457(d)and0.459oftheCommission’sRulesandFCCGuidancedocument 726920,weherebyrequestpermanentconfidentialtreatmentofexhibitsidentifiedassuchinthe tablebelowandrequesttheyarepermanentlywithheldfrompublicreviewbasedonthedocuments containingtradesecretsandproprietaryinformationnotcustomarilyreleasedtothepublic.The publicdisclosureofthisinformationmightbeharmfultotheapplicantandprovideunjustifiedbenefits toitscompetitors. Wealsorequestshort-termconfidentialityoncertainexhibitsuntiltheintendeddateofmarketingas outlinedbelow.Werequesttheexhibitsbewithheldfrompublicviewforaperiodof180daysdays. Weattestmarketingoftheproductwillonlycommenceaftertheperiodofshort-termconfidentiality expires,orifmarketingistocommencebeforetherequestednumberofdayslistedabove,the granteewillinformNemkotoreleasetheShort-TermConfidentialityinformationwithheldontheFCC equipmentauthorizationwebsite. ExhibitTypeofConfidentialityRequested BlockDiagrams☒Permanent☐ShortTerm ExternalPhotos------------------☐ShortTerm InternalPhotos ☐ Permanent* ☐ShortTerm OperationDescription☒Permanent☐ShortTerm PartsList&Placement/BOM ☐Permanent ☐ShortTerm Tune-UpProcedure ☐Permanent ☐ShortTerm SchematicDiagrams☒Permanent☐ShortTerm TestSetupPhotos------------------☐ShortTerm User’sManual ☐ Permanent* ☐ShortTerm Theasteriskeditems(*)requirefurtherinformationtobeprovidedinthisjustificationletterbeforepermanentconfidentiality willbeextendedtotheseexhibits.PleaserefertoFCCKDB726920D01foundat: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731andreviewsectionII,3)regarding specificinformationthatmustaccompanytheserequests. Note:anydocumentsheldundertheShort-Termconfidentialitywillautomaticallybecomepublic aftertherequestedtimeifanappropriateextensionrequesthasnotbeenreceived.Anyexhibits (i.e.,schematicdiagrams)thatmayhavealreadybeenrequestedtohave“Permanent” confidentialityasshownaboveneednotberepeatedunderShort-Termconfidentialityrequest. Sincerely, Signed: Printedname:BinbiaoLiang Title:SalesManager CompanyName:DongguanbaolifengElectronicTechnologyCo.,Ltd.

DongguanbaolifengElectronicTechnologyCo.,Ltd Thedifferencebetweentheleftheadsetandtherightheadset Productdescription:BluetoothHeadset Modelname:SP16, AP75 FCCID:2AXK8-SP16 TheRFchipoftheleftandrightearphonesisthesame,onlythereisadifferencein thecircuitlayout Client’ssignature: Client’sname/title:BinbiaoLiang/SalesManager Contactinformation/address:Room1113,Building3,FutongHaizhiTechnologyPark, BulanRoad.NanwanStreet,LonggangDistrictShenzheng

FamilyCertificationAttestationLetter 4/30/2024 NemkoCanadaInc 303RiverRoad Ottawa K1V1H2 Canada CompanyName:DongguanBaolifengElectronicTechnologyCo.,Ltd FCCID:2AXK8-SP16 Models:SP16,AP75 WeherebyrequestFamilyCertificationfortheabovementionedModelsbasedonthembeing electricallyidentical. SP16istestedmodel,othermodelsarederivativemodels.Themodelsareidenticalincircuit, onlydifferentonthemodelnamesandcolour.SothetestdataofSP16canrepresentthe remainingmodels,Blackandgray,blue,redandrosegoldsharethemodelnameSP16 Signed: Printedname:BinbiaoLiang Title:SalesManager Date:4/30/2024

FCCID:2AXK8-SP16 Page 1 of 7 EUTPHOTOSExternalPhotos FCCID:2AXK8-SP16 Page 2 of 7 FCCID:2AXK8-SP16 Page 3 of 7 FCCID:2AXK8-SP16 Page 4 of 7 FCCID:2AXK8-SP16 Page 5 of 7 FCCID:2AXK8-SP16 Page 6 of 7 FCCID:2AXK8-SP16 Page 7 of 7 ※※※※※ENDOFREPORT※※※※※

FCCID:2AXK8-SP16

FCCID:2AXK8-SP16 Page 1 of 8 EUTPHOTOSInternalPhotos Note:TheRFchipoftheleftandrightearphonesisthesame,onlythereisadifferenceinthecircuitlayout. FCCID:2AXK8-SP16 Page 2 of 8 FCCID:2AXK8-SP16 Page 3 of 8 FCCID:2AXK8-SP16 Page 4 of 8 FCCID:2AXK8-SP16 Page 5 of 8 FCCID:2AXK8-SP16 Page 6 of 8 FCCID:2AXK8-SP16 Page 7 of 8 ANT FCCID:2AXK8-SP16 Page 8 of 8 ※※※※※ENDOFREPORT※※※※※

FCCID:2AXK8-SP16 RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093，Unless specificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-gheador bodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,by measurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTest ExclusionThresholdcondition(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, ForBluetooth Mode Max Power (dBm) Tune-up power (dBm) Max Power (mW) Frequency(MHz) Min. Distance (mm) Calc. thresholds limit BT0.850±11.2624025 0.3906 3.0 SoaSARtestisnotrequired

2.4GHz 3216 Chip Antenna: RANT3216F245C07 _ Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT3216F24507 (A)(B)(C)(D)(F C (E)) ElectricalSpecification DimensionandTerminalConfiguration No.TerminalName 1Feeding/GNG 2GND/Feeding (A)ProductTypeChipAntenna (B)SizeCode 3.2x1.6mm( ± 0.2mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=07 WorkingFrequencyRange2400~2500MHz Bandwidth120MHz(Min.) PeakGain1.7dBi(Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280 °C ) TerminationNi/Au(Leadless) Dimension(mm) L 3.20±0.20 W 1.60±0.20 T 0.85±0.20 2.4GHz 3216 Chip Antenna: RANT3216F245C07 _ 1 EvaluationBoardReference PCBDimensionAntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss&Radiation ReturnLoss Frequency(MHz) S11(dB) 2400-10.50 2450-30.62 2500-11.47 Radiation 2400MHz2450MHz2500MHz Efficiency82.52%85.26%83.01% X Y Z 2.4GHz 3216 Chip Antenna: RANT3216F245C07 _ TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 32167”4K/Reel 9.0±0.5 60±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTψDP PaperType3216 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 _ 2.4GHz 3216 Chip Antenna: RANT3216F245C07 Reliability Table 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 2.4GHz 3216 Chip Antenna: RANT3216F245C07 _ 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 2Add2Dradiationcharacteristi2022/02/22c

Project No.: ZHT-240306031E Page 1 of 107 FCC TEST REPORT FCC ID:2AXK8-SP16 Report Number. .............................. : ZHT-240306031E Date of Test ...................................... : Mar. 06, 2024 to Mar. 15, 2024 Date of issue .................................... : Mar. 15, 2024 Test Result ..................................... : PASS Testing Laboratory. ........................ : Guangdong Zhonghan Testing Technology Co., Ltd. Address .......................................... : Room 104, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Applicant's name ......................... : Dongguan Baolifeng Electronic Technology Co., Ltd Address .......................................... : 4 / F, Mingxin Science Park, 138 Qiqiao Road, Qishi Town, Dongguan City Manufacturer's name ................... : Dongguan Baolifeng Electronic Technology Co., Ltd Address .......................................... : 4 / F, Mingxin Science Park, 138 Qiqiao Road, Qishi Town, Dongguan City Test specification ........................... : Standard ........................................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Test procedure ................................. : KDB558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 Non-standard test method ............. : N/A This device described above has been tested by ZHT, and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of ZHT, this document may be altered or revised by ZHT, personal only, and shall be noted in the revision of the document. Product name ................................. : Bluetooth Headset Trademark ...................................... : / Model/Type reference ...................... : SP16, AP75 Model difference .............................. : SP16 is tested model, other models are derivative models .The models are identical in circuit, only different on the model names and colour. So the test data of SP16 can represent the remaining models, Black and gray, blue, red and rose gold share the model name SP16 Ratings ............................................. : Input: 5 V1 A Project No.: ZHT-240306031E Page 2 of 107 Testing procedure and testing location: Testing Laboratory ..................................... : Guangdong Zhonghan Testing Technology Co., Ltd. Address ...................................................... : Room 104, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Kevin Yang Tested by (name + signature) .................... : Baret Wu Reviewer (name + signature) ..................... : Levi Lee Approved (name + signature) .................... : Project No.: ZHT-240306031E Page 3 of 107 Table of Contents Page 2.1 TEST FACILITY ............................................................................................................................... 7 2.2 MEASUREMENT UNCERTAINTY .................................................................................................. 7 3. GENERAL INFORMATION ............................................................................................................... 8 3.1 GENERAL DESCRIPTION OF EUT ................................................................................................ 8 3.3 Support Equipment ........................................................................................................................ 10 3.4 Test Mode ...................................................................................................................................... 10 3.5 EQUIPMENTS LIST FOR ALL TEST ITEMS ................................................................................ 11 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 RESULTS ......................................................................................................................... 14 N/A ....................................................................................................................................................... 14 EUT charging and Bluetooth functions cannot be used at the same time ........................................... 14 4.2 Radiated emissions........................................................................................................................ 15 4.2.1 Radiated Emission Limits ........................................................................................................... 15 4.2.2 TEST PROCEDURE ................................................................................................................... 15 4.2.3 DEVIATION FROM TEST STANDARD ...................................................................................... 16 4.2.4 TEST SETUP .........................................................................................................…

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FCCID:2AXK8-SP16 Page 1 of 1 EUTTESTPHOTOS Thetestwasfortherightear ※※※※※ENDOFREPORT※※※※※