2BFL4-BT35Helmet earphone

(ShenzhenJiayoudaElectronicsCo.,Ltd) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024-06-17 FCCID:2BFL4-BT35 Ref.#1:AttestationStatementsPart2.911(d)(5)(i)Filing (“ShenzhenJiayoudaElectronicsCo.,Ltd”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. Ref.#2:AttestationStatementsPart2.911(d)(5)(ii)Filing (“ShenzhenJiayoudaElectronicsCo.,Ltd”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredListasanentity producing“covered”equipment. Applicant:ShenzhenJiayoudaElectronicsCo.,Ltd Address:711,BuildingC,LangkouBaokeIndustrialZone,LonghuaDistrict,ShenzhenCity, GuangdongProvince ContactPerson:JinpingHe Tel.:+8615297841020 Email:[email protected] Sincerely, Signature:

ShenzhenJiayoudaElectronicsCo.,Ltd Address：711,BuildingC,LangkouBaokeIndustrialZone,LonghuaDistrict,ShenzhenCity, GuangdongProvince Date:2024-06-17 FederalCommunicationsCommission AuthorizationandEvaluationDivision 1435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2BFL4-BT35 FRN:0035190701 (“ShenzhenJiayoudaElectronicsCo.,Ltd”)certifiesthat,asofthedateofthefilingofthe application,GSSSERVICEINCisourdesignatedU.S.agentforserviceofprocessforthe abovereferencedFCCID.(“ShenzhenJiayoudaElectronicsCo.,Ltd”)acceptstomaintainan agentfornolessthanoneyearafterthegranteehasterminatedallmarketingandimportation ortheconclusionofanyCommission-relatedproceedinginvolvingtheequipment. GSSSERVICEINCaccepts,asofthedateofthefilingoftheapplication,theobligationofthe designatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:GSSSERVICEINC Address:6547NAcademyBlvd#2266ColoradoSpringsCOLORADO80918UnitedStates FRN：0033402082 ContactPerson:MichouxLogan Tel.:001-949-2990192 Email:[email protected] Sincerely, Signedonbehalfof（ShenzhenJiayouda ElectronicsCo.,Ltd） SignedonbehalfofGSSSERVICEINC Name:JinpingHeName:MichouxLogan Title:ManagerTitle:Manager Date:2024-06-17Date:2024-06-17

Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dB Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Shenzhen Jiayouda Electronics Co.,Ltd Address: 711, Building C,Langkou Baoke Industrial Zone, Longhua District, Shenzhen City, Guangdong Province Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

ShenzhenJiayoudaElectronicsCo.,Ltd Date：2024-06-17 ProductModelNumber:BT35,BT19,BT22,BT22B,BT26 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatORGANIZATION.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyORGANIZATION.onourbehalf shallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:Manager Email:[email protected] Telephone:+8615297841020 Onbehalfof:ShenzhenJiayoudaElectronicsCo.,Ltd

ShenzhenJiayoudaElectronicsCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:June17,2024 Subject;RequestforConfidentiality FCCID:2BFL4-BT35 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure SoftwareSecurityRequirementsforUNIIdevices 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:JinpingHe Title:Manager

ShenzhenJiayoudaElectronicsCo.,Ltd ModelDifference Productdescription:Helmetearphone Modelname:BT35,BT19,BT22,BT22B,BT26 FCCID:2BFL4-BT35 BT35istestedmodel,othermodelsarederivativemodels.The modelsareidenticalincircuit,onlydifferentonthemodelnames. SothetestdataofBT35canrepresenttheremainingmodels. Client’ssignature: Client’sname/title:JinpingHe/Manager Contactinformation/address:711,BuildingC,LangkouBaokeIndustrialZone, LonghuaDistrict,ShenzhenCity,GuangdongProvince

FCCID:2BFL4-BT35 EUTPHOTOS(ExternalPhotos) FCCID:2BFL4-BT35 FCCID:2BFL4-BT35 FCCID:2BFL4-BT35 ※※※※※ENDOFREPORT※※※※※

Size:2mmX10mm FCCID:2BFL4-BT35

FCCID:2BFL4-BT35 EUTPHOTOS(InternalPhotos) FCCID:2BFL4-BT35 ANT FCCID:2BFL4-BT35 FCCID:2BFL4-BT35 ※※※※※ENDOFREPORT※※※※※

FCCID:2BFL4-BT35 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 BR/EDR 0.28 0±1 1.2624025 0.3906 3.0 SoaSARtestisnotrequired

Project No.: ZHT-240606020E Page 1 of 97 FCC TEST REPORT FCC ID:2BFL4-BT35 Report Number. .............................. : ZHT-240606020E Date of Test ..................................... .: June 06, 2024 to June 14, 2024 Date of issue..................................... : June 14, 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 .......................... : Shenzhen Jiayouda Electronics Co.,Ltd Address ........................................... : 711, Building C,Langkou Baoke Industrial Zone, Longhua District, Shenzhen City, Guangdong Province Manufacturer's name .................... : Shenzhen Jiayouda Electronics Co.,Ltd Address ........................................... : 711, Building C,Langkou Baoke Industrial Zone, Longhua District, Shenzhen City, Guangdong Province 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 ................................. : Helmet earphone Trademark ...................................... : / Model/Type reference ....................... : BT35 BT19, BT22, BT22B, BT26 Model Difference..............................: BT35 is tested model, other models are derivative models .The models are identical in circuit, only different on the model names. So the test data of BT35 can represent the remaining models. Ratings ............................................. : Input: DC 5 V Lithium battery: 3.7V/800mA Project No.: ZHT-240606020E Page 2 of 97 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-240606020E Page 3 of 97 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 ......................................................................................................................... 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 ......................................................................................................................... 20 5.1 T…

Text truncated - open the document above for the full version.

FCCID:2BFL4-BT35 EUTTESTPHOTOS FCCID:2BFL4-BT35