2AVJD-K520Wireless bluetooth headset

FCC ID:2AVJD-K520

ShenzhenRuianyuanElectronicTechnologyCo.,Ltd Floor4,Building5,TumaoIndustrialPark,HebeiIndustrialZone,LonghuaDistrict,Shenzhen Date:2024-01-06 FederalCommunicationsCommission AuthorizationandEvaluationDivision 1435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2AVJD-K520 FRN:0029089190 ShenzhenRuianyuanElectronicTechnologyCo.,Ltdcertifiesthat,asofthedateofthefiling oftheapplication,GSSSERVICEINCisourdesignatedU.S.agentforserviceofprocessfor theabovereferencedFCCID.ShenzhenRuianyuanElectronicTechnologyCo.,Ltd,acceptsto maintainanagentfornolessthanoneyearafterthegranteehasterminatedallmarketing andimportationortheconclusionofanyCommission-relatedproceedinginvolvingthe equipment. GSSSERVICEINCaccepts,asofthedateofthefilingoftheapplication,theobligationof thedesignatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:GSSSERVICEINC Address:6547NAcademyBlvd#2266ColoradoSpringsCOLORADO80918UnitedStates FRN:0033402082 ContactPerson:MichouxLogan Tel.:001-949-2990192 Email:[email protected] Sincerely, SignedonbehalfofShenzhenRuianyuan ElectronicTechnologyCo.,Ltd SignedonbehalfofGSSSERVICEINC Name:MeizhenLinName:MichouxLogan Title:ManagerTitle:Manager Date:2024-01-06Date:2024-01-06

ShenzhenRuianyuanElectronicTechnologyCo.,Ltd FederalCommunicationsCommission Authorizationand EvaluationDivision 7435OaklandMillsRoad Columbia,MD 21046 USA Date:2024-01-06 FCC ID:2AVJD-K520 Ref . #1: AttestationStatementsPart 2.911(d)(5)(i) Filing Shenzhen Ruianyuan Electronic Technology Co.,Ltd certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Ref. #2: AttestationStatementsPart 2.911(d)(5)(ii) Filing Shenzhen Ruianyuan Electronic Technology Co.,Ltd certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing“covered” equipment. Applicant:ShenzhenRuianyuanElectronicTechnologyCo.,Ltd Address:Floor 4, Building5, TumaoIndustrialPark, Hebei IndustrialZone, LonghuaDistrict, Shenzhen Contact Person:MeizhenLin Email:[email protected] Telephone: 13502890859 Sincerely, Signat ure:

深圳市朋伴兴业科技有限公司 UNLESS OTHER SPECIFIED TOLERANCES ON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± SCALE：N/AUNIT：mm THESEDRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF PBXY TECHNOLOGY Limited AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY : SeraCHECKED BY: XD DESIGNED BY: SeraAPPROVED BY: XD TITLE：CHIP2450-1608 Specification DOCUMENT NO. 1608 SPEC REV. P1 1 产品规格承认书 SPECIFICATIONS ceramic antenna PBX1608MA02 客户: CUSTOMER: 产品名称: DESCRIPTION: 制造商: MANUFACTURE: 产品型号: OUR MODEL NO: 日期: DATE: PLEASE RETURN TO US ONE COPY OF “SPECIFICATION FOR APPROVAL” WITH YOUR APPROVED SIGNATURES Shenzhen Pengbian Industrial Technology Co., LTD Room 605, Building 4, 1970 Science Park, Minzhi Community, Minzhi Street, Longhua District, Shenzhen UNLESS OTHER SPECIFIED TOLERANCES ON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± SCALE：N/AUNIT：mm THESEDRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF PBXY TECHNOLOGY Limited AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY : SeraCHECKED BY: XD DESIGNED BY: SeraAPPROVED BY: XD TITLE：CHIP2450-1608 Specification DOCUMENT NO. 1608 SPEC REV. P1 2 PBX1608MA02 Specification Operating Temp. : -40°C~+85°C 1. FEATURES : ●Light weight, compact ●Wide bandwidth, low cost ●Built-in antenna with high gain 2. APPLICATIONS : ●Bluetooth, Wireless LAN, Mobile TV ●Home RF System, etc 3. PRODUCT IDENTIFICATION (1)(2)(3) (1) Product type: Multilayer chip Antenna (2) Center Frequency: 2450MHz (3) External Dimensions (L×W) (mm): 1.6*0.8 4. SHAPE AND DIMENSIONS: LWHA 1.6±0.20.8±0.2 0.8 ± 0.20.3 ± 0.1 CH IP45 016 2 08 深圳市朋伴兴业科技有限公司 UNLESS OTHER SPECIFIED TOLERANCES ON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± SCALE：N/AUNIT：mm THESEDRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF PBXY TECHNOLOGY Limited AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY : SeraCHECKED BY: XD DESIGNED BY: SeraAPPROVED BY: XD TITLE：CHIP2450-1608 Specification DOCUMENT NO. 1608 SPEC REV. P1 7 Electrical Characteristics Characteristic Curves 深圳市朋伴兴业科技有限公司 UNLESS OTHER SPECIFIED TOLERANCES ON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± SCALE：N/AUNIT：mm THESEDRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF PBXY TECHNOLOGY Limited AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY : SeraCHECKED BY: XD DESIGNED BY: SeraAPPROVED BY: XD TITLE：CHIP2450-1608 Specification DOCUMENT NO. 1608 SPEC REV. P1 8 Radiation Pattern 深圳市朋伴兴业科技有限公司 UNLESS OTHER SPECIFIED TOLERANCES ON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± SCALE：N/AUNIT：mm THESEDRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF PBXY TECHNOLOGY Limited AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY : SeraCHECKED BY: XD DESIGNED BY: SeraAPPROVED BY: XD TITLE：CHIP2450-1608 Specification DOCUMENT NO. 1608 SPEC REV. P1 9 3D Radiation Pattern

ShenzhenRuianyuanElectronicTechnologyCo.,Ltd. Date：2024-01-06 ProductModelNumber:Wirelessbluetoothheadset FCCID：2AVJD-K520 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatGuangdongZhonghanTestingTechnologyCo.,Ltd..is allowedtoforwardallinformationrelatedtotheapprovalprojecttotheapplied certificationbodyandtothenotificationentitiesandtodiscussanyissues concerningtheapprovalapplication.Anyandallactscarriedoutby GuangdongZhonghanTestingTechnologyCo.,Ltd..onourbehalfshallhave thesameeffectasactsofourown. By: Title:Manager Email:[email protected] Telephone:13502890859 Onbehalfof:ShenzhenRuianyuanElectronicTechnologyCo.,Ltd.

ShenzhenRuianyuanElectronicTechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:January6,2024 Subject;RequestforConfidentiality FCCID:2AVJD-K520 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:MeizhenLin Title:Manager

FCC ID: 2AVJD-K520 EUT PHOTOS(External Photos) FCC ID: 2AVJD-K520 FCC ID: 2AVJD-K520 FCC ID: 2AVJD-K520 ※※※※※ END OF REPORT ※※※※※

ShenzhenRuianyuanElectronicTechnologyCo.,Ltd Label declaration Product description: Wireless bluetooth headset Model name: K520 FCC ID: 2AVJD-K520 The measurement of earphone: Length (27mm) Width(19mm)High(10mm).The earphones are too small and irregularly shaped to print labels, so The label is printed in the user manual . Regards Sincerely Client’s signature: Client’s name/ title: MeizhenLin/Manager Contactinformation/ address:Floor4, Building5, TumaoIndustrialPark,Hebei IndustrialZone,LonghuaDistrict,Shenzhen

FCC ID: 2AVJD-K520 EUT PHOTO (Internal Photos) L FCC ID: 2AVJD-A7 ANT FCC ID: 2AVJD-A7 R FCC ID: 2AVJD-A7 ANT FCC ID: 2AVJD-A7 FCC ID: 2AVJD-A7 ※※※※※ END OF REPORT ※※※※※

FCCID:2AVJD-K520 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 conducted Power (dBm) Tune-up power (dBm) Max Power (mW) Frequency(MHz) Min. Distance (mm) Calc. thresholds limit BR/EDR -2.15-2±10.79 244150.2473.0 SoaSARtestisnotrequired, Note:MaxconductedPowerseethetestreportZHT-231222033E,ANTGain:2.78dBi

Project No.: ZHT-231222033E Page 1 of 95 FCC TEST REPORT FCC ID: 2AVJD-K520 Report Number. .............................. : ZHT-231222033E Date of Test ................................................. : Dec. 22, 2023 to Jan. 03, 2024 Date of issue .................................... : Jan. 03, 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 Ruianyuan Electronic Technology Co.,Ltd Address .......................................... : Floor 4, Building 5, Tumao Industrial Park, Hebei Industrial Zone, Longhua District, Shenzhen Manufacturer's name ................... : Shenzhen Ruianyuan Electronic Technology Co.,Ltd Address ............................................. : Floor 4, Building 5, Tumao Industrial Park, Hebei Industrial Zone, Longhua District, Shenzhen 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 ................................. : Wireless bluetooth headset Trademark ...................................... : / Model/Type reference ...................... : K520 Model difference .............................. : / Ratings ............................................. : DC 3.7 V by battery or DC 5 V by adapter Project No.: ZHT-231222033E Page 2 of 95 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-231222033E Page 3 of 95 Table of Contents Page 1. VERSION ........................................................................................................................................... 5 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 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 Result .................................................................................................................................. 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 .............................................................................................................................. 16 4.2.5 EUT OPERATING CONDITIONS ............................................................................................... 17 4.2.6 TEST RESULTS .......…

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

FCC ID: 2AVJD-K520 EUT TEST PHOTOS ※※※※※ END OF REPORT ※※※※※