2ABHA0090Bluetooth earbuds with charging case

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

Rev11/20/07 NingboCstarImp&ExpCO.,LTD FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2ABHA0090 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName BlockDiagram Schematics OperationalDescription Block SCH OperationalDescription Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,Wealsorequestingthe commissiontograntshort-termconfidentialityrequestonthefollowingattachmentsuntil180 daysaftertheGrantDateofEquipmentAuthorizations. ExhibitTypeFileName ManualUsermanual Sincerely, FosterLi

NingboCstarImp&ExpCO.,LTD Declarationonmodeldifference Wetheundersignedherebyconfirmthatthesemodelsareidentical,andallmodelshavethe sameRFmoduleandantenna,PCBlayout,schematicsandcomponent.Onlydifferentonmodel number. ProductionnameTrademarkFCCModelno. Bluetoothearbudswith chargingcase N/A2ABHA0090EL204,CT04027 Confirmedby: FosterLi 2021-05-18

NingboCstarImp&ExpCO.,LTD FederalCommunicationsCommission AuthorizationandEvaluationDivision 1435OaklandMillsRoad Columbia,MD21046 Date:2021/05/18 SUBJECT:FCCApplicationfor(FCCID:2ABHA0090) ToWhomItMayConcern: We,theundersigned,herebyauthorizeSamLvatEMTEK(DONGGUAN)CO.,LTD. onourbehalf,toapplytotheFederalCommunicationsCommissiononourequipment. AnyandallactscarriedoutbyEMTEK(DONGGUAN)CO.,LTD.onourbehalfshall havethesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection. Regards, FosterLi 2021/05/18

FCC ID: 2ABHA0090

二 80l,(l,l FCC I D:2ABHA0069 product packaging 2ABHA0090

FCCID:2ABHA0090

RFEXPOSUREEVALUATION EUTSpecification EUTBluetoothearbudswithchargingcase ModelNumberEL204,CT04027 FCCID2ABHA0090 Antennagain(Max)0dBi OperationFrequency2402-2480MHz InputRatingDC3.7VBattery ClassificationPer StipulatedTestStandard §15.247(i),§2.1093 KindofDevice:BluetoothVer.5.0 ModulationGFSK,π/4-DQPSK Max.outputpower-1.51dBm(0.000706W) TestRequirement: Accordingto§15.247(i)and§1.1307(b)(1),systemsoperatingunderthe provisionsofthissectionshallbeoperatedinamannerthatensuresthatthe publicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualityforTCBapproval. OneantennaisavailablefortheEUT.Theminimumseparationdistanceis 5mm. BTDSS: AccordingtoKDB447498,nostand-alonerequiredforBTantenna,andno simultaneousSARmeasurementisrequired. Signature: SamLv Date:2021-05-18 Transmit Frequency (MHz) Mode Measured Power (dBm) Tuneup Power (dBm) Maxtuneup power(dBm) Calculation Result 1-g SAR 2.402GFSK-2.98-2±1-1 0.2462161 3 2.441GFSK-2.79-2±1-1 0.2482069 3 2.480GFSK-3.86-3±1-20.19872653 2.402 Π/4-DQ PSK -1.55-1±10 0.3099677 3 2.441 Π/4-DQ PSK -1.51-1±10 0.3124740 3 2.480 Π/4-DQ PSK -2.66-2±1-1 0.2501819 3

ReportNo. ED210416028WPage 1 of 53 Ver.1.0 TEST REPORT ProductName ： Bluetoothearbudswith chargingcase ModelNumber ： EL204,CT04027 FCC ID ： 2ABHA0090 Preparedfor:NingboCstarImp & Exp CO., LTD Address:Floor4,BuildingE, No. 655-90,QimingRoad,Yinzhou Investment&InnovationCenter,Ningbo,China Preparedby:EMTEK(DONGGUAN) CO., LTD. Address:-1&2/F.,Building2, ZoneA, ZhongdaMarineBiotechnology Reserchand DevelopmentBase,No.9,XinchengAvenue, SongshanhuHigh-technologyIndustrialDevelopmentZone, Dongguan,Guangdong,China TEL:+86- 0769-22807078 FAX:+86- 0769-22807079 ReportNumber:ED210416028W Date(s)of Tests:April 16, 2021to May 12, 2021 Dateof issue:May 12, 2021 ReportNo. ED210416028WPage 2 of 53 Ver.1.0 Tableof Contents TESTREPORT................................................................................................................................................................................1 1 TEST RESULTCERTIFICATION................................................................................................................................................3 2 EUT TECHNICALDESCRIPTION..............................................................................................................................................4 3 SUMMARYOF TEST RESULT...................................................................................................................................................5 4 TEST METHODOLOGY...............................................................................................................................................................6 4.1 GENERALDESCRIPTIONOF APPLIEDSTANDARDS...................................................................................................6 4.2 MEASUREMENTEQUIPMENTUSED ................................................................................................................................6 4.3 DESCRIPTIONOF TEST MODES........................................................................................................................................7 5 FACILITIESAND ACCREDITATIONS......................................................................................................................................8 5.1 FACILITIES............................................................................................................................................................................8 5.2 LABORATORYACCREDITATIONSAND LISTINGS......................................................................................................8 6 TEST SYSTEMUNCERTAINTY.................................................................................................................................................9 7 SETUPOF EQUIPMENTUNDERTEST ...................................................................................................................................10 7.1 RADIOFREQUENCYTEST SETUP1...............................................................................................................................10 7.2 RADIOFREQUENCYTEST SETUP2...............................................................................................................................10 7.3 CONDUCTEDEMISSIONTEST SETUP...........................................................................................................................12 7.4 BLOCKDIAGRAMCONFIGURATIONOF TEST SYSTEM...........................................................................................13 7.5 SUPPORTEQUIPMENT......................................................................................................................................................13 8 FREQUENCYHOPPINGSYSTEMREQUIREMENTS............................................................................................................14 8.1 STANDARDAPPLICABLE.........................................................................................................................................................14 8.2 EUT PSEUDORANDOMFREQUENCYHOPPINGSEQUENCE.....................................................................................................14 8.3 EQUALHOPPINGFREQUENCYUSE.........................................................................................................................................15 8.4 FREQUENCYHOPPINGSYSTEM..............................................................................................................................................15 9 TEST REQUIREMENTS.............................................................................................................................................................16 9.1 20D B BANDWIDTH............................................................................................................................................................16 9.2 CARRIERFREQUENCYSEPARATION...........................................................................................................................21 9.3 NUMBEROF HOPPINGFREQUENCIES..........................................................................................................................25 9.4 AVERAGETIME OF OCCUPANCY(DWELLTIME) ......................................................................................................27 9.5 MAXIMUMPEAK CONDUCTEDOUTPUTPOWER......................................................................................................30 9.6 CONDUCTEDSUPRIOUSEMISSION...............................................................................................................................34 9.7 RADIATEDSPURIOUSEMISSION...................................................................................................................................41 9.8 CONDUCTEDEMISSIONTEST .........................................................................................................................................50 9.9 ANTENNAAPPLICATION...........................................…

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FCCID:2ABHA0090